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
20 #include "qemu/osdep.h"
21 #include "qemu/cutils.h"
22 #include "qemu/path.h"
29 #include <sys/mount.h>
31 #include <sys/fsuid.h>
32 #include <sys/personality.h>
33 #include <sys/prctl.h>
34 #include <sys/resource.h>
36 #include <linux/capability.h>
39 int __clone2(int (*fn
)(void *), void *child_stack_base
,
40 size_t stack_size
, int flags
, void *arg
, ...);
42 #include <sys/socket.h>
46 #include <sys/times.h>
49 #include <sys/statfs.h>
51 #include <sys/sysinfo.h>
52 #include <sys/signalfd.h>
53 //#include <sys/user.h>
54 #include <netinet/ip.h>
55 #include <netinet/tcp.h>
56 #include <linux/wireless.h>
57 #include <linux/icmp.h>
58 #include "qemu-common.h"
60 #include <sys/timerfd.h>
66 #include <sys/eventfd.h>
69 #include <sys/epoll.h>
72 #include "qemu/xattr.h"
74 #ifdef CONFIG_SENDFILE
75 #include <sys/sendfile.h>
78 #define termios host_termios
79 #define winsize host_winsize
80 #define termio host_termio
81 #define sgttyb host_sgttyb /* same as target */
82 #define tchars host_tchars /* same as target */
83 #define ltchars host_ltchars /* same as target */
85 #include <linux/termios.h>
86 #include <linux/unistd.h>
87 #include <linux/cdrom.h>
88 #include <linux/hdreg.h>
89 #include <linux/soundcard.h>
91 #include <linux/mtio.h>
93 #if defined(CONFIG_FIEMAP)
94 #include <linux/fiemap.h>
98 #include <linux/dm-ioctl.h>
99 #include <linux/reboot.h>
100 #include <linux/route.h>
101 #include <linux/filter.h>
102 #include <linux/blkpg.h>
103 #include <linux/netlink.h>
104 #ifdef CONFIG_RTNETLINK
105 #include <linux/rtnetlink.h>
107 #include <linux/audit.h>
108 #include "linux_loop.h"
113 #define CLONE_NPTL_FLAGS2 (CLONE_SETTLS | \
114 CLONE_PARENT_SETTID | CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID)
117 /* Define DEBUG_ERESTARTSYS to force every syscall to be restarted
118 * once. This exercises the codepaths for restart.
120 //#define DEBUG_ERESTARTSYS
122 //#include <linux/msdos_fs.h>
123 #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2])
124 #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2])
134 #define _syscall0(type,name) \
135 static type name (void) \
137 return syscall(__NR_##name); \
140 #define _syscall1(type,name,type1,arg1) \
141 static type name (type1 arg1) \
143 return syscall(__NR_##name, arg1); \
146 #define _syscall2(type,name,type1,arg1,type2,arg2) \
147 static type name (type1 arg1,type2 arg2) \
149 return syscall(__NR_##name, arg1, arg2); \
152 #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
153 static type name (type1 arg1,type2 arg2,type3 arg3) \
155 return syscall(__NR_##name, arg1, arg2, arg3); \
158 #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
159 static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
161 return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
164 #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
166 static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
168 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
172 #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
173 type5,arg5,type6,arg6) \
174 static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \
177 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
181 #define __NR_sys_uname __NR_uname
182 #define __NR_sys_getcwd1 __NR_getcwd
183 #define __NR_sys_getdents __NR_getdents
184 #define __NR_sys_getdents64 __NR_getdents64
185 #define __NR_sys_getpriority __NR_getpriority
186 #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
187 #define __NR_sys_syslog __NR_syslog
188 #define __NR_sys_futex __NR_futex
189 #define __NR_sys_inotify_init __NR_inotify_init
190 #define __NR_sys_inotify_add_watch __NR_inotify_add_watch
191 #define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch
193 #if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__) || \
195 #define __NR__llseek __NR_lseek
198 /* Newer kernel ports have llseek() instead of _llseek() */
199 #if defined(TARGET_NR_llseek) && !defined(TARGET_NR__llseek)
200 #define TARGET_NR__llseek TARGET_NR_llseek
204 _syscall0(int, gettid
)
206 /* This is a replacement for the host gettid() and must return a host
208 static int gettid(void) {
212 #if defined(TARGET_NR_getdents) && defined(__NR_getdents)
213 _syscall3(int, sys_getdents
, uint
, fd
, struct linux_dirent
*, dirp
, uint
, count
);
215 #if !defined(__NR_getdents) || \
216 (defined(TARGET_NR_getdents64) && defined(__NR_getdents64))
217 _syscall3(int, sys_getdents64
, uint
, fd
, struct linux_dirent64
*, dirp
, uint
, count
);
219 #if defined(TARGET_NR__llseek) && defined(__NR_llseek)
220 _syscall5(int, _llseek
, uint
, fd
, ulong
, hi
, ulong
, lo
,
221 loff_t
*, res
, uint
, wh
);
223 _syscall3(int,sys_rt_sigqueueinfo
,int,pid
,int,sig
,siginfo_t
*,uinfo
)
224 _syscall3(int,sys_syslog
,int,type
,char*,bufp
,int,len
)
225 #ifdef __NR_exit_group
226 _syscall1(int,exit_group
,int,error_code
)
228 #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
229 _syscall1(int,set_tid_address
,int *,tidptr
)
231 #if defined(TARGET_NR_futex) && defined(__NR_futex)
232 _syscall6(int,sys_futex
,int *,uaddr
,int,op
,int,val
,
233 const struct timespec
*,timeout
,int *,uaddr2
,int,val3
)
235 #define __NR_sys_sched_getaffinity __NR_sched_getaffinity
236 _syscall3(int, sys_sched_getaffinity
, pid_t
, pid
, unsigned int, len
,
237 unsigned long *, user_mask_ptr
);
238 #define __NR_sys_sched_setaffinity __NR_sched_setaffinity
239 _syscall3(int, sys_sched_setaffinity
, pid_t
, pid
, unsigned int, len
,
240 unsigned long *, user_mask_ptr
);
241 _syscall4(int, reboot
, int, magic1
, int, magic2
, unsigned int, cmd
,
243 _syscall2(int, capget
, struct __user_cap_header_struct
*, header
,
244 struct __user_cap_data_struct
*, data
);
245 _syscall2(int, capset
, struct __user_cap_header_struct
*, header
,
246 struct __user_cap_data_struct
*, data
);
247 #if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get)
248 _syscall2(int, ioprio_get
, int, which
, int, who
)
250 #if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set)
251 _syscall3(int, ioprio_set
, int, which
, int, who
, int, ioprio
)
253 #if defined(TARGET_NR_getrandom) && defined(__NR_getrandom)
254 _syscall3(int, getrandom
, void *, buf
, size_t, buflen
, unsigned int, flags
)
257 static bitmask_transtbl fcntl_flags_tbl
[] = {
258 { TARGET_O_ACCMODE
, TARGET_O_WRONLY
, O_ACCMODE
, O_WRONLY
, },
259 { TARGET_O_ACCMODE
, TARGET_O_RDWR
, O_ACCMODE
, O_RDWR
, },
260 { TARGET_O_CREAT
, TARGET_O_CREAT
, O_CREAT
, O_CREAT
, },
261 { TARGET_O_EXCL
, TARGET_O_EXCL
, O_EXCL
, O_EXCL
, },
262 { TARGET_O_NOCTTY
, TARGET_O_NOCTTY
, O_NOCTTY
, O_NOCTTY
, },
263 { TARGET_O_TRUNC
, TARGET_O_TRUNC
, O_TRUNC
, O_TRUNC
, },
264 { TARGET_O_APPEND
, TARGET_O_APPEND
, O_APPEND
, O_APPEND
, },
265 { TARGET_O_NONBLOCK
, TARGET_O_NONBLOCK
, O_NONBLOCK
, O_NONBLOCK
, },
266 { TARGET_O_SYNC
, TARGET_O_DSYNC
, O_SYNC
, O_DSYNC
, },
267 { TARGET_O_SYNC
, TARGET_O_SYNC
, O_SYNC
, O_SYNC
, },
268 { TARGET_FASYNC
, TARGET_FASYNC
, FASYNC
, FASYNC
, },
269 { TARGET_O_DIRECTORY
, TARGET_O_DIRECTORY
, O_DIRECTORY
, O_DIRECTORY
, },
270 { TARGET_O_NOFOLLOW
, TARGET_O_NOFOLLOW
, O_NOFOLLOW
, O_NOFOLLOW
, },
271 #if defined(O_DIRECT)
272 { TARGET_O_DIRECT
, TARGET_O_DIRECT
, O_DIRECT
, O_DIRECT
, },
274 #if defined(O_NOATIME)
275 { TARGET_O_NOATIME
, TARGET_O_NOATIME
, O_NOATIME
, O_NOATIME
},
277 #if defined(O_CLOEXEC)
278 { TARGET_O_CLOEXEC
, TARGET_O_CLOEXEC
, O_CLOEXEC
, O_CLOEXEC
},
281 { TARGET_O_PATH
, TARGET_O_PATH
, O_PATH
, O_PATH
},
283 /* Don't terminate the list prematurely on 64-bit host+guest. */
284 #if TARGET_O_LARGEFILE != 0 || O_LARGEFILE != 0
285 { TARGET_O_LARGEFILE
, TARGET_O_LARGEFILE
, O_LARGEFILE
, O_LARGEFILE
, },
290 typedef abi_long (*TargetFdDataFunc
)(void *, size_t);
291 typedef abi_long (*TargetFdAddrFunc
)(void *, abi_ulong
, socklen_t
);
292 typedef struct TargetFdTrans
{
293 TargetFdDataFunc host_to_target_data
;
294 TargetFdDataFunc target_to_host_data
;
295 TargetFdAddrFunc target_to_host_addr
;
298 static TargetFdTrans
**target_fd_trans
;
300 static unsigned int target_fd_max
;
302 static TargetFdDataFunc
fd_trans_target_to_host_data(int fd
)
304 if (fd
>= 0 && fd
< target_fd_max
&& target_fd_trans
[fd
]) {
305 return target_fd_trans
[fd
]->target_to_host_data
;
310 static TargetFdDataFunc
fd_trans_host_to_target_data(int fd
)
312 if (fd
>= 0 && fd
< target_fd_max
&& target_fd_trans
[fd
]) {
313 return target_fd_trans
[fd
]->host_to_target_data
;
318 static TargetFdAddrFunc
fd_trans_target_to_host_addr(int fd
)
320 if (fd
>= 0 && fd
< target_fd_max
&& target_fd_trans
[fd
]) {
321 return target_fd_trans
[fd
]->target_to_host_addr
;
326 static void fd_trans_register(int fd
, TargetFdTrans
*trans
)
330 if (fd
>= target_fd_max
) {
331 oldmax
= target_fd_max
;
332 target_fd_max
= ((fd
>> 6) + 1) << 6; /* by slice of 64 entries */
333 target_fd_trans
= g_renew(TargetFdTrans
*,
334 target_fd_trans
, target_fd_max
);
335 memset((void *)(target_fd_trans
+ oldmax
), 0,
336 (target_fd_max
- oldmax
) * sizeof(TargetFdTrans
*));
338 target_fd_trans
[fd
] = trans
;
341 static void fd_trans_unregister(int fd
)
343 if (fd
>= 0 && fd
< target_fd_max
) {
344 target_fd_trans
[fd
] = NULL
;
348 static void fd_trans_dup(int oldfd
, int newfd
)
350 fd_trans_unregister(newfd
);
351 if (oldfd
< target_fd_max
&& target_fd_trans
[oldfd
]) {
352 fd_trans_register(newfd
, target_fd_trans
[oldfd
]);
356 static int sys_getcwd1(char *buf
, size_t size
)
358 if (getcwd(buf
, size
) == NULL
) {
359 /* getcwd() sets errno */
362 return strlen(buf
)+1;
365 #ifdef TARGET_NR_utimensat
366 #ifdef CONFIG_UTIMENSAT
367 static int sys_utimensat(int dirfd
, const char *pathname
,
368 const struct timespec times
[2], int flags
)
370 if (pathname
== NULL
)
371 return futimens(dirfd
, times
);
373 return utimensat(dirfd
, pathname
, times
, flags
);
375 #elif defined(__NR_utimensat)
376 #define __NR_sys_utimensat __NR_utimensat
377 _syscall4(int,sys_utimensat
,int,dirfd
,const char *,pathname
,
378 const struct timespec
*,tsp
,int,flags
)
380 static int sys_utimensat(int dirfd
, const char *pathname
,
381 const struct timespec times
[2], int flags
)
387 #endif /* TARGET_NR_utimensat */
389 #ifdef CONFIG_INOTIFY
390 #include <sys/inotify.h>
392 #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
393 static int sys_inotify_init(void)
395 return (inotify_init());
398 #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
399 static int sys_inotify_add_watch(int fd
,const char *pathname
, int32_t mask
)
401 return (inotify_add_watch(fd
, pathname
, mask
));
404 #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
405 static int sys_inotify_rm_watch(int fd
, int32_t wd
)
407 return (inotify_rm_watch(fd
, wd
));
410 #ifdef CONFIG_INOTIFY1
411 #if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
412 static int sys_inotify_init1(int flags
)
414 return (inotify_init1(flags
));
419 /* Userspace can usually survive runtime without inotify */
420 #undef TARGET_NR_inotify_init
421 #undef TARGET_NR_inotify_init1
422 #undef TARGET_NR_inotify_add_watch
423 #undef TARGET_NR_inotify_rm_watch
424 #endif /* CONFIG_INOTIFY */
426 #if defined(TARGET_NR_prlimit64)
427 #ifndef __NR_prlimit64
428 # define __NR_prlimit64 -1
430 #define __NR_sys_prlimit64 __NR_prlimit64
431 /* The glibc rlimit structure may not be that used by the underlying syscall */
432 struct host_rlimit64
{
436 _syscall4(int, sys_prlimit64
, pid_t
, pid
, int, resource
,
437 const struct host_rlimit64
*, new_limit
,
438 struct host_rlimit64
*, old_limit
)
442 #if defined(TARGET_NR_timer_create)
443 /* Maxiumum of 32 active POSIX timers allowed at any one time. */
444 static timer_t g_posix_timers
[32] = { 0, } ;
446 static inline int next_free_host_timer(void)
449 /* FIXME: Does finding the next free slot require a lock? */
450 for (k
= 0; k
< ARRAY_SIZE(g_posix_timers
); k
++) {
451 if (g_posix_timers
[k
] == 0) {
452 g_posix_timers
[k
] = (timer_t
) 1;
460 /* ARM EABI and MIPS expect 64bit types aligned even on pairs or registers */
462 static inline int regpairs_aligned(void *cpu_env
) {
463 return ((((CPUARMState
*)cpu_env
)->eabi
) == 1) ;
465 #elif defined(TARGET_MIPS)
466 static inline int regpairs_aligned(void *cpu_env
) { return 1; }
467 #elif defined(TARGET_PPC) && !defined(TARGET_PPC64)
468 /* SysV AVI for PPC32 expects 64bit parameters to be passed on odd/even pairs
469 * of registers which translates to the same as ARM/MIPS, because we start with
471 static inline int regpairs_aligned(void *cpu_env
) { return 1; }
473 static inline int regpairs_aligned(void *cpu_env
) { return 0; }
476 #define ERRNO_TABLE_SIZE 1200
478 /* target_to_host_errno_table[] is initialized from
479 * host_to_target_errno_table[] in syscall_init(). */
480 static uint16_t target_to_host_errno_table
[ERRNO_TABLE_SIZE
] = {
484 * This list is the union of errno values overridden in asm-<arch>/errno.h
485 * minus the errnos that are not actually generic to all archs.
487 static uint16_t host_to_target_errno_table
[ERRNO_TABLE_SIZE
] = {
488 [EAGAIN
] = TARGET_EAGAIN
,
489 [EIDRM
] = TARGET_EIDRM
,
490 [ECHRNG
] = TARGET_ECHRNG
,
491 [EL2NSYNC
] = TARGET_EL2NSYNC
,
492 [EL3HLT
] = TARGET_EL3HLT
,
493 [EL3RST
] = TARGET_EL3RST
,
494 [ELNRNG
] = TARGET_ELNRNG
,
495 [EUNATCH
] = TARGET_EUNATCH
,
496 [ENOCSI
] = TARGET_ENOCSI
,
497 [EL2HLT
] = TARGET_EL2HLT
,
498 [EDEADLK
] = TARGET_EDEADLK
,
499 [ENOLCK
] = TARGET_ENOLCK
,
500 [EBADE
] = TARGET_EBADE
,
501 [EBADR
] = TARGET_EBADR
,
502 [EXFULL
] = TARGET_EXFULL
,
503 [ENOANO
] = TARGET_ENOANO
,
504 [EBADRQC
] = TARGET_EBADRQC
,
505 [EBADSLT
] = TARGET_EBADSLT
,
506 [EBFONT
] = TARGET_EBFONT
,
507 [ENOSTR
] = TARGET_ENOSTR
,
508 [ENODATA
] = TARGET_ENODATA
,
509 [ETIME
] = TARGET_ETIME
,
510 [ENOSR
] = TARGET_ENOSR
,
511 [ENONET
] = TARGET_ENONET
,
512 [ENOPKG
] = TARGET_ENOPKG
,
513 [EREMOTE
] = TARGET_EREMOTE
,
514 [ENOLINK
] = TARGET_ENOLINK
,
515 [EADV
] = TARGET_EADV
,
516 [ESRMNT
] = TARGET_ESRMNT
,
517 [ECOMM
] = TARGET_ECOMM
,
518 [EPROTO
] = TARGET_EPROTO
,
519 [EDOTDOT
] = TARGET_EDOTDOT
,
520 [EMULTIHOP
] = TARGET_EMULTIHOP
,
521 [EBADMSG
] = TARGET_EBADMSG
,
522 [ENAMETOOLONG
] = TARGET_ENAMETOOLONG
,
523 [EOVERFLOW
] = TARGET_EOVERFLOW
,
524 [ENOTUNIQ
] = TARGET_ENOTUNIQ
,
525 [EBADFD
] = TARGET_EBADFD
,
526 [EREMCHG
] = TARGET_EREMCHG
,
527 [ELIBACC
] = TARGET_ELIBACC
,
528 [ELIBBAD
] = TARGET_ELIBBAD
,
529 [ELIBSCN
] = TARGET_ELIBSCN
,
530 [ELIBMAX
] = TARGET_ELIBMAX
,
531 [ELIBEXEC
] = TARGET_ELIBEXEC
,
532 [EILSEQ
] = TARGET_EILSEQ
,
533 [ENOSYS
] = TARGET_ENOSYS
,
534 [ELOOP
] = TARGET_ELOOP
,
535 [ERESTART
] = TARGET_ERESTART
,
536 [ESTRPIPE
] = TARGET_ESTRPIPE
,
537 [ENOTEMPTY
] = TARGET_ENOTEMPTY
,
538 [EUSERS
] = TARGET_EUSERS
,
539 [ENOTSOCK
] = TARGET_ENOTSOCK
,
540 [EDESTADDRREQ
] = TARGET_EDESTADDRREQ
,
541 [EMSGSIZE
] = TARGET_EMSGSIZE
,
542 [EPROTOTYPE
] = TARGET_EPROTOTYPE
,
543 [ENOPROTOOPT
] = TARGET_ENOPROTOOPT
,
544 [EPROTONOSUPPORT
] = TARGET_EPROTONOSUPPORT
,
545 [ESOCKTNOSUPPORT
] = TARGET_ESOCKTNOSUPPORT
,
546 [EOPNOTSUPP
] = TARGET_EOPNOTSUPP
,
547 [EPFNOSUPPORT
] = TARGET_EPFNOSUPPORT
,
548 [EAFNOSUPPORT
] = TARGET_EAFNOSUPPORT
,
549 [EADDRINUSE
] = TARGET_EADDRINUSE
,
550 [EADDRNOTAVAIL
] = TARGET_EADDRNOTAVAIL
,
551 [ENETDOWN
] = TARGET_ENETDOWN
,
552 [ENETUNREACH
] = TARGET_ENETUNREACH
,
553 [ENETRESET
] = TARGET_ENETRESET
,
554 [ECONNABORTED
] = TARGET_ECONNABORTED
,
555 [ECONNRESET
] = TARGET_ECONNRESET
,
556 [ENOBUFS
] = TARGET_ENOBUFS
,
557 [EISCONN
] = TARGET_EISCONN
,
558 [ENOTCONN
] = TARGET_ENOTCONN
,
559 [EUCLEAN
] = TARGET_EUCLEAN
,
560 [ENOTNAM
] = TARGET_ENOTNAM
,
561 [ENAVAIL
] = TARGET_ENAVAIL
,
562 [EISNAM
] = TARGET_EISNAM
,
563 [EREMOTEIO
] = TARGET_EREMOTEIO
,
564 [ESHUTDOWN
] = TARGET_ESHUTDOWN
,
565 [ETOOMANYREFS
] = TARGET_ETOOMANYREFS
,
566 [ETIMEDOUT
] = TARGET_ETIMEDOUT
,
567 [ECONNREFUSED
] = TARGET_ECONNREFUSED
,
568 [EHOSTDOWN
] = TARGET_EHOSTDOWN
,
569 [EHOSTUNREACH
] = TARGET_EHOSTUNREACH
,
570 [EALREADY
] = TARGET_EALREADY
,
571 [EINPROGRESS
] = TARGET_EINPROGRESS
,
572 [ESTALE
] = TARGET_ESTALE
,
573 [ECANCELED
] = TARGET_ECANCELED
,
574 [ENOMEDIUM
] = TARGET_ENOMEDIUM
,
575 [EMEDIUMTYPE
] = TARGET_EMEDIUMTYPE
,
577 [ENOKEY
] = TARGET_ENOKEY
,
580 [EKEYEXPIRED
] = TARGET_EKEYEXPIRED
,
583 [EKEYREVOKED
] = TARGET_EKEYREVOKED
,
586 [EKEYREJECTED
] = TARGET_EKEYREJECTED
,
589 [EOWNERDEAD
] = TARGET_EOWNERDEAD
,
591 #ifdef ENOTRECOVERABLE
592 [ENOTRECOVERABLE
] = TARGET_ENOTRECOVERABLE
,
596 static inline int host_to_target_errno(int err
)
598 if (err
>= 0 && err
< ERRNO_TABLE_SIZE
&&
599 host_to_target_errno_table
[err
]) {
600 return host_to_target_errno_table
[err
];
605 static inline int target_to_host_errno(int err
)
607 if (err
>= 0 && err
< ERRNO_TABLE_SIZE
&&
608 target_to_host_errno_table
[err
]) {
609 return target_to_host_errno_table
[err
];
614 static inline abi_long
get_errno(abi_long ret
)
617 return -host_to_target_errno(errno
);
622 static inline int is_error(abi_long ret
)
624 return (abi_ulong
)ret
>= (abi_ulong
)(-4096);
627 const char *target_strerror(int err
)
629 if (err
== TARGET_ERESTARTSYS
) {
630 return "To be restarted";
632 if (err
== TARGET_QEMU_ESIGRETURN
) {
633 return "Successful exit from sigreturn";
636 if ((err
>= ERRNO_TABLE_SIZE
) || (err
< 0)) {
639 return strerror(target_to_host_errno(err
));
642 #define safe_syscall0(type, name) \
643 static type safe_##name(void) \
645 return safe_syscall(__NR_##name); \
648 #define safe_syscall1(type, name, type1, arg1) \
649 static type safe_##name(type1 arg1) \
651 return safe_syscall(__NR_##name, arg1); \
654 #define safe_syscall2(type, name, type1, arg1, type2, arg2) \
655 static type safe_##name(type1 arg1, type2 arg2) \
657 return safe_syscall(__NR_##name, arg1, arg2); \
660 #define safe_syscall3(type, name, type1, arg1, type2, arg2, type3, arg3) \
661 static type safe_##name(type1 arg1, type2 arg2, type3 arg3) \
663 return safe_syscall(__NR_##name, arg1, arg2, arg3); \
666 #define safe_syscall4(type, name, type1, arg1, type2, arg2, type3, arg3, \
668 static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
670 return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4); \
673 #define safe_syscall5(type, name, type1, arg1, type2, arg2, type3, arg3, \
674 type4, arg4, type5, arg5) \
675 static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \
678 return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
681 #define safe_syscall6(type, name, type1, arg1, type2, arg2, type3, arg3, \
682 type4, arg4, type5, arg5, type6, arg6) \
683 static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \
684 type5 arg5, type6 arg6) \
686 return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
689 safe_syscall3(ssize_t
, read
, int, fd
, void *, buff
, size_t, count
)
690 safe_syscall3(ssize_t
, write
, int, fd
, const void *, buff
, size_t, count
)
691 safe_syscall4(int, openat
, int, dirfd
, const char *, pathname
, \
692 int, flags
, mode_t
, mode
)
693 safe_syscall4(pid_t
, wait4
, pid_t
, pid
, int *, status
, int, options
, \
694 struct rusage
*, rusage
)
695 safe_syscall5(int, waitid
, idtype_t
, idtype
, id_t
, id
, siginfo_t
*, infop
, \
696 int, options
, struct rusage
*, rusage
)
697 safe_syscall3(int, execve
, const char *, filename
, char **, argv
, char **, envp
)
698 safe_syscall6(int, pselect6
, int, nfds
, fd_set
*, readfds
, fd_set
*, writefds
, \
699 fd_set
*, exceptfds
, struct timespec
*, timeout
, void *, sig
)
700 safe_syscall5(int, ppoll
, struct pollfd
*, ufds
, unsigned int, nfds
,
701 struct timespec
*, tsp
, const sigset_t
*, sigmask
,
703 safe_syscall6(int, epoll_pwait
, int, epfd
, struct epoll_event
*, events
,
704 int, maxevents
, int, timeout
, const sigset_t
*, sigmask
,
706 safe_syscall6(int,futex
,int *,uaddr
,int,op
,int,val
, \
707 const struct timespec
*,timeout
,int *,uaddr2
,int,val3
)
708 safe_syscall2(int, rt_sigsuspend
, sigset_t
*, newset
, size_t, sigsetsize
)
709 safe_syscall2(int, kill
, pid_t
, pid
, int, sig
)
710 safe_syscall2(int, tkill
, int, tid
, int, sig
)
711 safe_syscall3(int, tgkill
, int, tgid
, int, pid
, int, sig
)
712 safe_syscall3(ssize_t
, readv
, int, fd
, const struct iovec
*, iov
, int, iovcnt
)
713 safe_syscall3(ssize_t
, writev
, int, fd
, const struct iovec
*, iov
, int, iovcnt
)
714 safe_syscall3(int, connect
, int, fd
, const struct sockaddr
*, addr
,
716 safe_syscall6(ssize_t
, sendto
, int, fd
, const void *, buf
, size_t, len
,
717 int, flags
, const struct sockaddr
*, addr
, socklen_t
, addrlen
)
718 safe_syscall6(ssize_t
, recvfrom
, int, fd
, void *, buf
, size_t, len
,
719 int, flags
, struct sockaddr
*, addr
, socklen_t
*, addrlen
)
720 safe_syscall3(ssize_t
, sendmsg
, int, fd
, const struct msghdr
*, msg
, int, flags
)
721 safe_syscall3(ssize_t
, recvmsg
, int, fd
, struct msghdr
*, msg
, int, flags
)
722 safe_syscall2(int, flock
, int, fd
, int, operation
)
723 safe_syscall4(int, rt_sigtimedwait
, const sigset_t
*, these
, siginfo_t
*, uinfo
,
724 const struct timespec
*, uts
, size_t, sigsetsize
)
725 safe_syscall4(int, accept4
, int, fd
, struct sockaddr
*, addr
, socklen_t
*, len
,
727 safe_syscall2(int, nanosleep
, const struct timespec
*, req
,
728 struct timespec
*, rem
)
729 #ifdef TARGET_NR_clock_nanosleep
730 safe_syscall4(int, clock_nanosleep
, const clockid_t
, clock
, int, flags
,
731 const struct timespec
*, req
, struct timespec
*, rem
)
734 safe_syscall4(int, msgsnd
, int, msgid
, const void *, msgp
, size_t, sz
,
736 safe_syscall5(int, msgrcv
, int, msgid
, void *, msgp
, size_t, sz
,
737 long, msgtype
, int, flags
)
738 safe_syscall4(int, semtimedop
, int, semid
, struct sembuf
*, tsops
,
739 unsigned, nsops
, const struct timespec
*, timeout
)
741 /* This host kernel architecture uses a single ipc syscall; fake up
742 * wrappers for the sub-operations to hide this implementation detail.
743 * Annoyingly we can't include linux/ipc.h to get the constant definitions
744 * for the call parameter because some structs in there conflict with the
745 * sys/ipc.h ones. So we just define them here, and rely on them being
746 * the same for all host architectures.
748 #define Q_SEMTIMEDOP 4
751 #define Q_IPCCALL(VERSION, OP) ((VERSION) << 16 | (OP))
753 safe_syscall6(int, ipc
, int, call
, long, first
, long, second
, long, third
,
754 void *, ptr
, long, fifth
)
755 static int safe_msgsnd(int msgid
, const void *msgp
, size_t sz
, int flags
)
757 return safe_ipc(Q_IPCCALL(0, Q_MSGSND
), msgid
, sz
, flags
, (void *)msgp
, 0);
759 static int safe_msgrcv(int msgid
, void *msgp
, size_t sz
, long type
, int flags
)
761 return safe_ipc(Q_IPCCALL(1, Q_MSGRCV
), msgid
, sz
, flags
, msgp
, type
);
763 static int safe_semtimedop(int semid
, struct sembuf
*tsops
, unsigned nsops
,
764 const struct timespec
*timeout
)
766 return safe_ipc(Q_IPCCALL(0, Q_SEMTIMEDOP
), semid
, nsops
, 0, tsops
,
770 #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
771 safe_syscall5(int, mq_timedsend
, int, mqdes
, const char *, msg_ptr
,
772 size_t, len
, unsigned, prio
, const struct timespec
*, timeout
)
773 safe_syscall5(int, mq_timedreceive
, int, mqdes
, char *, msg_ptr
,
774 size_t, len
, unsigned *, prio
, const struct timespec
*, timeout
)
776 /* We do ioctl like this rather than via safe_syscall3 to preserve the
777 * "third argument might be integer or pointer or not present" behaviour of
780 #define safe_ioctl(...) safe_syscall(__NR_ioctl, __VA_ARGS__)
781 /* Similarly for fcntl. Note that callers must always:
782 * pass the F_GETLK64 etc constants rather than the unsuffixed F_GETLK
783 * use the flock64 struct rather than unsuffixed flock
784 * This will then work and use a 64-bit offset for both 32-bit and 64-bit hosts.
787 #define safe_fcntl(...) safe_syscall(__NR_fcntl64, __VA_ARGS__)
789 #define safe_fcntl(...) safe_syscall(__NR_fcntl, __VA_ARGS__)
792 static inline int host_to_target_sock_type(int host_type
)
796 switch (host_type
& 0xf /* SOCK_TYPE_MASK */) {
798 target_type
= TARGET_SOCK_DGRAM
;
801 target_type
= TARGET_SOCK_STREAM
;
804 target_type
= host_type
& 0xf /* SOCK_TYPE_MASK */;
808 #if defined(SOCK_CLOEXEC)
809 if (host_type
& SOCK_CLOEXEC
) {
810 target_type
|= TARGET_SOCK_CLOEXEC
;
814 #if defined(SOCK_NONBLOCK)
815 if (host_type
& SOCK_NONBLOCK
) {
816 target_type
|= TARGET_SOCK_NONBLOCK
;
823 static abi_ulong target_brk
;
824 static abi_ulong target_original_brk
;
825 static abi_ulong brk_page
;
827 void target_set_brk(abi_ulong new_brk
)
829 target_original_brk
= target_brk
= HOST_PAGE_ALIGN(new_brk
);
830 brk_page
= HOST_PAGE_ALIGN(target_brk
);
833 //#define DEBUGF_BRK(message, args...) do { fprintf(stderr, (message), ## args); } while (0)
834 #define DEBUGF_BRK(message, args...)
836 /* do_brk() must return target values and target errnos. */
837 abi_long
do_brk(abi_ulong new_brk
)
839 abi_long mapped_addr
;
842 DEBUGF_BRK("do_brk(" TARGET_ABI_FMT_lx
") -> ", new_brk
);
845 DEBUGF_BRK(TARGET_ABI_FMT_lx
" (!new_brk)\n", target_brk
);
848 if (new_brk
< target_original_brk
) {
849 DEBUGF_BRK(TARGET_ABI_FMT_lx
" (new_brk < target_original_brk)\n",
854 /* If the new brk is less than the highest page reserved to the
855 * target heap allocation, set it and we're almost done... */
856 if (new_brk
<= brk_page
) {
857 /* Heap contents are initialized to zero, as for anonymous
859 if (new_brk
> target_brk
) {
860 memset(g2h(target_brk
), 0, new_brk
- target_brk
);
862 target_brk
= new_brk
;
863 DEBUGF_BRK(TARGET_ABI_FMT_lx
" (new_brk <= brk_page)\n", target_brk
);
867 /* We need to allocate more memory after the brk... Note that
868 * we don't use MAP_FIXED because that will map over the top of
869 * any existing mapping (like the one with the host libc or qemu
870 * itself); instead we treat "mapped but at wrong address" as
871 * a failure and unmap again.
873 new_alloc_size
= HOST_PAGE_ALIGN(new_brk
- brk_page
);
874 mapped_addr
= get_errno(target_mmap(brk_page
, new_alloc_size
,
875 PROT_READ
|PROT_WRITE
,
876 MAP_ANON
|MAP_PRIVATE
, 0, 0));
878 if (mapped_addr
== brk_page
) {
879 /* Heap contents are initialized to zero, as for anonymous
880 * mapped pages. Technically the new pages are already
881 * initialized to zero since they *are* anonymous mapped
882 * pages, however we have to take care with the contents that
883 * come from the remaining part of the previous page: it may
884 * contains garbage data due to a previous heap usage (grown
886 memset(g2h(target_brk
), 0, brk_page
- target_brk
);
888 target_brk
= new_brk
;
889 brk_page
= HOST_PAGE_ALIGN(target_brk
);
890 DEBUGF_BRK(TARGET_ABI_FMT_lx
" (mapped_addr == brk_page)\n",
893 } else if (mapped_addr
!= -1) {
894 /* Mapped but at wrong address, meaning there wasn't actually
895 * enough space for this brk.
897 target_munmap(mapped_addr
, new_alloc_size
);
899 DEBUGF_BRK(TARGET_ABI_FMT_lx
" (mapped_addr != -1)\n", target_brk
);
902 DEBUGF_BRK(TARGET_ABI_FMT_lx
" (otherwise)\n", target_brk
);
905 #if defined(TARGET_ALPHA)
906 /* We (partially) emulate OSF/1 on Alpha, which requires we
907 return a proper errno, not an unchanged brk value. */
908 return -TARGET_ENOMEM
;
910 /* For everything else, return the previous break. */
914 static inline abi_long
copy_from_user_fdset(fd_set
*fds
,
915 abi_ulong target_fds_addr
,
919 abi_ulong b
, *target_fds
;
921 nw
= DIV_ROUND_UP(n
, TARGET_ABI_BITS
);
922 if (!(target_fds
= lock_user(VERIFY_READ
,
924 sizeof(abi_ulong
) * nw
,
926 return -TARGET_EFAULT
;
930 for (i
= 0; i
< nw
; i
++) {
931 /* grab the abi_ulong */
932 __get_user(b
, &target_fds
[i
]);
933 for (j
= 0; j
< TARGET_ABI_BITS
; j
++) {
934 /* check the bit inside the abi_ulong */
941 unlock_user(target_fds
, target_fds_addr
, 0);
946 static inline abi_ulong
copy_from_user_fdset_ptr(fd_set
*fds
, fd_set
**fds_ptr
,
947 abi_ulong target_fds_addr
,
950 if (target_fds_addr
) {
951 if (copy_from_user_fdset(fds
, target_fds_addr
, n
))
952 return -TARGET_EFAULT
;
960 static inline abi_long
copy_to_user_fdset(abi_ulong target_fds_addr
,
966 abi_ulong
*target_fds
;
968 nw
= DIV_ROUND_UP(n
, TARGET_ABI_BITS
);
969 if (!(target_fds
= lock_user(VERIFY_WRITE
,
971 sizeof(abi_ulong
) * nw
,
973 return -TARGET_EFAULT
;
976 for (i
= 0; i
< nw
; i
++) {
978 for (j
= 0; j
< TARGET_ABI_BITS
; j
++) {
979 v
|= ((abi_ulong
)(FD_ISSET(k
, fds
) != 0) << j
);
982 __put_user(v
, &target_fds
[i
]);
985 unlock_user(target_fds
, target_fds_addr
, sizeof(abi_ulong
) * nw
);
990 #if defined(__alpha__)
996 static inline abi_long
host_to_target_clock_t(long ticks
)
998 #if HOST_HZ == TARGET_HZ
1001 return ((int64_t)ticks
* TARGET_HZ
) / HOST_HZ
;
1005 static inline abi_long
host_to_target_rusage(abi_ulong target_addr
,
1006 const struct rusage
*rusage
)
1008 struct target_rusage
*target_rusage
;
1010 if (!lock_user_struct(VERIFY_WRITE
, target_rusage
, target_addr
, 0))
1011 return -TARGET_EFAULT
;
1012 target_rusage
->ru_utime
.tv_sec
= tswapal(rusage
->ru_utime
.tv_sec
);
1013 target_rusage
->ru_utime
.tv_usec
= tswapal(rusage
->ru_utime
.tv_usec
);
1014 target_rusage
->ru_stime
.tv_sec
= tswapal(rusage
->ru_stime
.tv_sec
);
1015 target_rusage
->ru_stime
.tv_usec
= tswapal(rusage
->ru_stime
.tv_usec
);
1016 target_rusage
->ru_maxrss
= tswapal(rusage
->ru_maxrss
);
1017 target_rusage
->ru_ixrss
= tswapal(rusage
->ru_ixrss
);
1018 target_rusage
->ru_idrss
= tswapal(rusage
->ru_idrss
);
1019 target_rusage
->ru_isrss
= tswapal(rusage
->ru_isrss
);
1020 target_rusage
->ru_minflt
= tswapal(rusage
->ru_minflt
);
1021 target_rusage
->ru_majflt
= tswapal(rusage
->ru_majflt
);
1022 target_rusage
->ru_nswap
= tswapal(rusage
->ru_nswap
);
1023 target_rusage
->ru_inblock
= tswapal(rusage
->ru_inblock
);
1024 target_rusage
->ru_oublock
= tswapal(rusage
->ru_oublock
);
1025 target_rusage
->ru_msgsnd
= tswapal(rusage
->ru_msgsnd
);
1026 target_rusage
->ru_msgrcv
= tswapal(rusage
->ru_msgrcv
);
1027 target_rusage
->ru_nsignals
= tswapal(rusage
->ru_nsignals
);
1028 target_rusage
->ru_nvcsw
= tswapal(rusage
->ru_nvcsw
);
1029 target_rusage
->ru_nivcsw
= tswapal(rusage
->ru_nivcsw
);
1030 unlock_user_struct(target_rusage
, target_addr
, 1);
1035 static inline rlim_t
target_to_host_rlim(abi_ulong target_rlim
)
1037 abi_ulong target_rlim_swap
;
1040 target_rlim_swap
= tswapal(target_rlim
);
1041 if (target_rlim_swap
== TARGET_RLIM_INFINITY
)
1042 return RLIM_INFINITY
;
1044 result
= target_rlim_swap
;
1045 if (target_rlim_swap
!= (rlim_t
)result
)
1046 return RLIM_INFINITY
;
1051 static inline abi_ulong
host_to_target_rlim(rlim_t rlim
)
1053 abi_ulong target_rlim_swap
;
1056 if (rlim
== RLIM_INFINITY
|| rlim
!= (abi_long
)rlim
)
1057 target_rlim_swap
= TARGET_RLIM_INFINITY
;
1059 target_rlim_swap
= rlim
;
1060 result
= tswapal(target_rlim_swap
);
1065 static inline int target_to_host_resource(int code
)
1068 case TARGET_RLIMIT_AS
:
1070 case TARGET_RLIMIT_CORE
:
1072 case TARGET_RLIMIT_CPU
:
1074 case TARGET_RLIMIT_DATA
:
1076 case TARGET_RLIMIT_FSIZE
:
1077 return RLIMIT_FSIZE
;
1078 case TARGET_RLIMIT_LOCKS
:
1079 return RLIMIT_LOCKS
;
1080 case TARGET_RLIMIT_MEMLOCK
:
1081 return RLIMIT_MEMLOCK
;
1082 case TARGET_RLIMIT_MSGQUEUE
:
1083 return RLIMIT_MSGQUEUE
;
1084 case TARGET_RLIMIT_NICE
:
1086 case TARGET_RLIMIT_NOFILE
:
1087 return RLIMIT_NOFILE
;
1088 case TARGET_RLIMIT_NPROC
:
1089 return RLIMIT_NPROC
;
1090 case TARGET_RLIMIT_RSS
:
1092 case TARGET_RLIMIT_RTPRIO
:
1093 return RLIMIT_RTPRIO
;
1094 case TARGET_RLIMIT_SIGPENDING
:
1095 return RLIMIT_SIGPENDING
;
1096 case TARGET_RLIMIT_STACK
:
1097 return RLIMIT_STACK
;
1103 static inline abi_long
copy_from_user_timeval(struct timeval
*tv
,
1104 abi_ulong target_tv_addr
)
1106 struct target_timeval
*target_tv
;
1108 if (!lock_user_struct(VERIFY_READ
, target_tv
, target_tv_addr
, 1))
1109 return -TARGET_EFAULT
;
1111 __get_user(tv
->tv_sec
, &target_tv
->tv_sec
);
1112 __get_user(tv
->tv_usec
, &target_tv
->tv_usec
);
1114 unlock_user_struct(target_tv
, target_tv_addr
, 0);
1119 static inline abi_long
copy_to_user_timeval(abi_ulong target_tv_addr
,
1120 const struct timeval
*tv
)
1122 struct target_timeval
*target_tv
;
1124 if (!lock_user_struct(VERIFY_WRITE
, target_tv
, target_tv_addr
, 0))
1125 return -TARGET_EFAULT
;
1127 __put_user(tv
->tv_sec
, &target_tv
->tv_sec
);
1128 __put_user(tv
->tv_usec
, &target_tv
->tv_usec
);
1130 unlock_user_struct(target_tv
, target_tv_addr
, 1);
1135 static inline abi_long
copy_from_user_timezone(struct timezone
*tz
,
1136 abi_ulong target_tz_addr
)
1138 struct target_timezone
*target_tz
;
1140 if (!lock_user_struct(VERIFY_READ
, target_tz
, target_tz_addr
, 1)) {
1141 return -TARGET_EFAULT
;
1144 __get_user(tz
->tz_minuteswest
, &target_tz
->tz_minuteswest
);
1145 __get_user(tz
->tz_dsttime
, &target_tz
->tz_dsttime
);
1147 unlock_user_struct(target_tz
, target_tz_addr
, 0);
1152 #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
1155 static inline abi_long
copy_from_user_mq_attr(struct mq_attr
*attr
,
1156 abi_ulong target_mq_attr_addr
)
1158 struct target_mq_attr
*target_mq_attr
;
1160 if (!lock_user_struct(VERIFY_READ
, target_mq_attr
,
1161 target_mq_attr_addr
, 1))
1162 return -TARGET_EFAULT
;
1164 __get_user(attr
->mq_flags
, &target_mq_attr
->mq_flags
);
1165 __get_user(attr
->mq_maxmsg
, &target_mq_attr
->mq_maxmsg
);
1166 __get_user(attr
->mq_msgsize
, &target_mq_attr
->mq_msgsize
);
1167 __get_user(attr
->mq_curmsgs
, &target_mq_attr
->mq_curmsgs
);
1169 unlock_user_struct(target_mq_attr
, target_mq_attr_addr
, 0);
1174 static inline abi_long
copy_to_user_mq_attr(abi_ulong target_mq_attr_addr
,
1175 const struct mq_attr
*attr
)
1177 struct target_mq_attr
*target_mq_attr
;
1179 if (!lock_user_struct(VERIFY_WRITE
, target_mq_attr
,
1180 target_mq_attr_addr
, 0))
1181 return -TARGET_EFAULT
;
1183 __put_user(attr
->mq_flags
, &target_mq_attr
->mq_flags
);
1184 __put_user(attr
->mq_maxmsg
, &target_mq_attr
->mq_maxmsg
);
1185 __put_user(attr
->mq_msgsize
, &target_mq_attr
->mq_msgsize
);
1186 __put_user(attr
->mq_curmsgs
, &target_mq_attr
->mq_curmsgs
);
1188 unlock_user_struct(target_mq_attr
, target_mq_attr_addr
, 1);
1194 #if defined(TARGET_NR_select) || defined(TARGET_NR__newselect)
1195 /* do_select() must return target values and target errnos. */
1196 static abi_long
do_select(int n
,
1197 abi_ulong rfd_addr
, abi_ulong wfd_addr
,
1198 abi_ulong efd_addr
, abi_ulong target_tv_addr
)
1200 fd_set rfds
, wfds
, efds
;
1201 fd_set
*rfds_ptr
, *wfds_ptr
, *efds_ptr
;
1203 struct timespec ts
, *ts_ptr
;
1206 ret
= copy_from_user_fdset_ptr(&rfds
, &rfds_ptr
, rfd_addr
, n
);
1210 ret
= copy_from_user_fdset_ptr(&wfds
, &wfds_ptr
, wfd_addr
, n
);
1214 ret
= copy_from_user_fdset_ptr(&efds
, &efds_ptr
, efd_addr
, n
);
1219 if (target_tv_addr
) {
1220 if (copy_from_user_timeval(&tv
, target_tv_addr
))
1221 return -TARGET_EFAULT
;
1222 ts
.tv_sec
= tv
.tv_sec
;
1223 ts
.tv_nsec
= tv
.tv_usec
* 1000;
1229 ret
= get_errno(safe_pselect6(n
, rfds_ptr
, wfds_ptr
, efds_ptr
,
1232 if (!is_error(ret
)) {
1233 if (rfd_addr
&& copy_to_user_fdset(rfd_addr
, &rfds
, n
))
1234 return -TARGET_EFAULT
;
1235 if (wfd_addr
&& copy_to_user_fdset(wfd_addr
, &wfds
, n
))
1236 return -TARGET_EFAULT
;
1237 if (efd_addr
&& copy_to_user_fdset(efd_addr
, &efds
, n
))
1238 return -TARGET_EFAULT
;
1240 if (target_tv_addr
) {
1241 tv
.tv_sec
= ts
.tv_sec
;
1242 tv
.tv_usec
= ts
.tv_nsec
/ 1000;
1243 if (copy_to_user_timeval(target_tv_addr
, &tv
)) {
1244 return -TARGET_EFAULT
;
1253 static abi_long
do_pipe2(int host_pipe
[], int flags
)
1256 return pipe2(host_pipe
, flags
);
1262 static abi_long
do_pipe(void *cpu_env
, abi_ulong pipedes
,
1263 int flags
, int is_pipe2
)
1267 ret
= flags
? do_pipe2(host_pipe
, flags
) : pipe(host_pipe
);
1270 return get_errno(ret
);
1272 /* Several targets have special calling conventions for the original
1273 pipe syscall, but didn't replicate this into the pipe2 syscall. */
1275 #if defined(TARGET_ALPHA)
1276 ((CPUAlphaState
*)cpu_env
)->ir
[IR_A4
] = host_pipe
[1];
1277 return host_pipe
[0];
1278 #elif defined(TARGET_MIPS)
1279 ((CPUMIPSState
*)cpu_env
)->active_tc
.gpr
[3] = host_pipe
[1];
1280 return host_pipe
[0];
1281 #elif defined(TARGET_SH4)
1282 ((CPUSH4State
*)cpu_env
)->gregs
[1] = host_pipe
[1];
1283 return host_pipe
[0];
1284 #elif defined(TARGET_SPARC)
1285 ((CPUSPARCState
*)cpu_env
)->regwptr
[1] = host_pipe
[1];
1286 return host_pipe
[0];
1290 if (put_user_s32(host_pipe
[0], pipedes
)
1291 || put_user_s32(host_pipe
[1], pipedes
+ sizeof(host_pipe
[0])))
1292 return -TARGET_EFAULT
;
1293 return get_errno(ret
);
1296 static inline abi_long
target_to_host_ip_mreq(struct ip_mreqn
*mreqn
,
1297 abi_ulong target_addr
,
1300 struct target_ip_mreqn
*target_smreqn
;
1302 target_smreqn
= lock_user(VERIFY_READ
, target_addr
, len
, 1);
1304 return -TARGET_EFAULT
;
1305 mreqn
->imr_multiaddr
.s_addr
= target_smreqn
->imr_multiaddr
.s_addr
;
1306 mreqn
->imr_address
.s_addr
= target_smreqn
->imr_address
.s_addr
;
1307 if (len
== sizeof(struct target_ip_mreqn
))
1308 mreqn
->imr_ifindex
= tswapal(target_smreqn
->imr_ifindex
);
1309 unlock_user(target_smreqn
, target_addr
, 0);
1314 static inline abi_long
target_to_host_sockaddr(int fd
, struct sockaddr
*addr
,
1315 abi_ulong target_addr
,
1318 const socklen_t unix_maxlen
= sizeof (struct sockaddr_un
);
1319 sa_family_t sa_family
;
1320 struct target_sockaddr
*target_saddr
;
1322 if (fd_trans_target_to_host_addr(fd
)) {
1323 return fd_trans_target_to_host_addr(fd
)(addr
, target_addr
, len
);
1326 target_saddr
= lock_user(VERIFY_READ
, target_addr
, len
, 1);
1328 return -TARGET_EFAULT
;
1330 sa_family
= tswap16(target_saddr
->sa_family
);
1332 /* Oops. The caller might send a incomplete sun_path; sun_path
1333 * must be terminated by \0 (see the manual page), but
1334 * unfortunately it is quite common to specify sockaddr_un
1335 * length as "strlen(x->sun_path)" while it should be
1336 * "strlen(...) + 1". We'll fix that here if needed.
1337 * Linux kernel has a similar feature.
1340 if (sa_family
== AF_UNIX
) {
1341 if (len
< unix_maxlen
&& len
> 0) {
1342 char *cp
= (char*)target_saddr
;
1344 if ( cp
[len
-1] && !cp
[len
] )
1347 if (len
> unix_maxlen
)
1351 memcpy(addr
, target_saddr
, len
);
1352 addr
->sa_family
= sa_family
;
1353 if (sa_family
== AF_NETLINK
) {
1354 struct sockaddr_nl
*nladdr
;
1356 nladdr
= (struct sockaddr_nl
*)addr
;
1357 nladdr
->nl_pid
= tswap32(nladdr
->nl_pid
);
1358 nladdr
->nl_groups
= tswap32(nladdr
->nl_groups
);
1359 } else if (sa_family
== AF_PACKET
) {
1360 struct target_sockaddr_ll
*lladdr
;
1362 lladdr
= (struct target_sockaddr_ll
*)addr
;
1363 lladdr
->sll_ifindex
= tswap32(lladdr
->sll_ifindex
);
1364 lladdr
->sll_hatype
= tswap16(lladdr
->sll_hatype
);
1366 unlock_user(target_saddr
, target_addr
, 0);
1371 static inline abi_long
host_to_target_sockaddr(abi_ulong target_addr
,
1372 struct sockaddr
*addr
,
1375 struct target_sockaddr
*target_saddr
;
1377 target_saddr
= lock_user(VERIFY_WRITE
, target_addr
, len
, 0);
1379 return -TARGET_EFAULT
;
1380 memcpy(target_saddr
, addr
, len
);
1381 target_saddr
->sa_family
= tswap16(addr
->sa_family
);
1382 if (addr
->sa_family
== AF_NETLINK
) {
1383 struct sockaddr_nl
*target_nl
= (struct sockaddr_nl
*)target_saddr
;
1384 target_nl
->nl_pid
= tswap32(target_nl
->nl_pid
);
1385 target_nl
->nl_groups
= tswap32(target_nl
->nl_groups
);
1387 unlock_user(target_saddr
, target_addr
, len
);
1392 static inline abi_long
target_to_host_cmsg(struct msghdr
*msgh
,
1393 struct target_msghdr
*target_msgh
)
1395 struct cmsghdr
*cmsg
= CMSG_FIRSTHDR(msgh
);
1396 abi_long msg_controllen
;
1397 abi_ulong target_cmsg_addr
;
1398 struct target_cmsghdr
*target_cmsg
, *target_cmsg_start
;
1399 socklen_t space
= 0;
1401 msg_controllen
= tswapal(target_msgh
->msg_controllen
);
1402 if (msg_controllen
< sizeof (struct target_cmsghdr
))
1404 target_cmsg_addr
= tswapal(target_msgh
->msg_control
);
1405 target_cmsg
= lock_user(VERIFY_READ
, target_cmsg_addr
, msg_controllen
, 1);
1406 target_cmsg_start
= target_cmsg
;
1408 return -TARGET_EFAULT
;
1410 while (cmsg
&& target_cmsg
) {
1411 void *data
= CMSG_DATA(cmsg
);
1412 void *target_data
= TARGET_CMSG_DATA(target_cmsg
);
1414 int len
= tswapal(target_cmsg
->cmsg_len
)
1415 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr
));
1417 space
+= CMSG_SPACE(len
);
1418 if (space
> msgh
->msg_controllen
) {
1419 space
-= CMSG_SPACE(len
);
1420 /* This is a QEMU bug, since we allocated the payload
1421 * area ourselves (unlike overflow in host-to-target
1422 * conversion, which is just the guest giving us a buffer
1423 * that's too small). It can't happen for the payload types
1424 * we currently support; if it becomes an issue in future
1425 * we would need to improve our allocation strategy to
1426 * something more intelligent than "twice the size of the
1427 * target buffer we're reading from".
1429 gemu_log("Host cmsg overflow\n");
1433 if (tswap32(target_cmsg
->cmsg_level
) == TARGET_SOL_SOCKET
) {
1434 cmsg
->cmsg_level
= SOL_SOCKET
;
1436 cmsg
->cmsg_level
= tswap32(target_cmsg
->cmsg_level
);
1438 cmsg
->cmsg_type
= tswap32(target_cmsg
->cmsg_type
);
1439 cmsg
->cmsg_len
= CMSG_LEN(len
);
1441 if (cmsg
->cmsg_level
== SOL_SOCKET
&& cmsg
->cmsg_type
== SCM_RIGHTS
) {
1442 int *fd
= (int *)data
;
1443 int *target_fd
= (int *)target_data
;
1444 int i
, numfds
= len
/ sizeof(int);
1446 for (i
= 0; i
< numfds
; i
++) {
1447 __get_user(fd
[i
], target_fd
+ i
);
1449 } else if (cmsg
->cmsg_level
== SOL_SOCKET
1450 && cmsg
->cmsg_type
== SCM_CREDENTIALS
) {
1451 struct ucred
*cred
= (struct ucred
*)data
;
1452 struct target_ucred
*target_cred
=
1453 (struct target_ucred
*)target_data
;
1455 __get_user(cred
->pid
, &target_cred
->pid
);
1456 __get_user(cred
->uid
, &target_cred
->uid
);
1457 __get_user(cred
->gid
, &target_cred
->gid
);
1459 gemu_log("Unsupported ancillary data: %d/%d\n",
1460 cmsg
->cmsg_level
, cmsg
->cmsg_type
);
1461 memcpy(data
, target_data
, len
);
1464 cmsg
= CMSG_NXTHDR(msgh
, cmsg
);
1465 target_cmsg
= TARGET_CMSG_NXTHDR(target_msgh
, target_cmsg
,
1468 unlock_user(target_cmsg
, target_cmsg_addr
, 0);
1470 msgh
->msg_controllen
= space
;
1474 static inline abi_long
host_to_target_cmsg(struct target_msghdr
*target_msgh
,
1475 struct msghdr
*msgh
)
1477 struct cmsghdr
*cmsg
= CMSG_FIRSTHDR(msgh
);
1478 abi_long msg_controllen
;
1479 abi_ulong target_cmsg_addr
;
1480 struct target_cmsghdr
*target_cmsg
, *target_cmsg_start
;
1481 socklen_t space
= 0;
1483 msg_controllen
= tswapal(target_msgh
->msg_controllen
);
1484 if (msg_controllen
< sizeof (struct target_cmsghdr
))
1486 target_cmsg_addr
= tswapal(target_msgh
->msg_control
);
1487 target_cmsg
= lock_user(VERIFY_WRITE
, target_cmsg_addr
, msg_controllen
, 0);
1488 target_cmsg_start
= target_cmsg
;
1490 return -TARGET_EFAULT
;
1492 while (cmsg
&& target_cmsg
) {
1493 void *data
= CMSG_DATA(cmsg
);
1494 void *target_data
= TARGET_CMSG_DATA(target_cmsg
);
1496 int len
= cmsg
->cmsg_len
- CMSG_ALIGN(sizeof (struct cmsghdr
));
1497 int tgt_len
, tgt_space
;
1499 /* We never copy a half-header but may copy half-data;
1500 * this is Linux's behaviour in put_cmsg(). Note that
1501 * truncation here is a guest problem (which we report
1502 * to the guest via the CTRUNC bit), unlike truncation
1503 * in target_to_host_cmsg, which is a QEMU bug.
1505 if (msg_controllen
< sizeof(struct cmsghdr
)) {
1506 target_msgh
->msg_flags
|= tswap32(MSG_CTRUNC
);
1510 if (cmsg
->cmsg_level
== SOL_SOCKET
) {
1511 target_cmsg
->cmsg_level
= tswap32(TARGET_SOL_SOCKET
);
1513 target_cmsg
->cmsg_level
= tswap32(cmsg
->cmsg_level
);
1515 target_cmsg
->cmsg_type
= tswap32(cmsg
->cmsg_type
);
1517 tgt_len
= TARGET_CMSG_LEN(len
);
1519 /* Payload types which need a different size of payload on
1520 * the target must adjust tgt_len here.
1522 switch (cmsg
->cmsg_level
) {
1524 switch (cmsg
->cmsg_type
) {
1526 tgt_len
= sizeof(struct target_timeval
);
1535 if (msg_controllen
< tgt_len
) {
1536 target_msgh
->msg_flags
|= tswap32(MSG_CTRUNC
);
1537 tgt_len
= msg_controllen
;
1540 /* We must now copy-and-convert len bytes of payload
1541 * into tgt_len bytes of destination space. Bear in mind
1542 * that in both source and destination we may be dealing
1543 * with a truncated value!
1545 switch (cmsg
->cmsg_level
) {
1547 switch (cmsg
->cmsg_type
) {
1550 int *fd
= (int *)data
;
1551 int *target_fd
= (int *)target_data
;
1552 int i
, numfds
= tgt_len
/ sizeof(int);
1554 for (i
= 0; i
< numfds
; i
++) {
1555 __put_user(fd
[i
], target_fd
+ i
);
1561 struct timeval
*tv
= (struct timeval
*)data
;
1562 struct target_timeval
*target_tv
=
1563 (struct target_timeval
*)target_data
;
1565 if (len
!= sizeof(struct timeval
) ||
1566 tgt_len
!= sizeof(struct target_timeval
)) {
1570 /* copy struct timeval to target */
1571 __put_user(tv
->tv_sec
, &target_tv
->tv_sec
);
1572 __put_user(tv
->tv_usec
, &target_tv
->tv_usec
);
1575 case SCM_CREDENTIALS
:
1577 struct ucred
*cred
= (struct ucred
*)data
;
1578 struct target_ucred
*target_cred
=
1579 (struct target_ucred
*)target_data
;
1581 __put_user(cred
->pid
, &target_cred
->pid
);
1582 __put_user(cred
->uid
, &target_cred
->uid
);
1583 __put_user(cred
->gid
, &target_cred
->gid
);
1593 gemu_log("Unsupported ancillary data: %d/%d\n",
1594 cmsg
->cmsg_level
, cmsg
->cmsg_type
);
1595 memcpy(target_data
, data
, MIN(len
, tgt_len
));
1596 if (tgt_len
> len
) {
1597 memset(target_data
+ len
, 0, tgt_len
- len
);
1601 target_cmsg
->cmsg_len
= tswapal(tgt_len
);
1602 tgt_space
= TARGET_CMSG_SPACE(len
);
1603 if (msg_controllen
< tgt_space
) {
1604 tgt_space
= msg_controllen
;
1606 msg_controllen
-= tgt_space
;
1608 cmsg
= CMSG_NXTHDR(msgh
, cmsg
);
1609 target_cmsg
= TARGET_CMSG_NXTHDR(target_msgh
, target_cmsg
,
1612 unlock_user(target_cmsg
, target_cmsg_addr
, space
);
1614 target_msgh
->msg_controllen
= tswapal(space
);
1618 static void tswap_nlmsghdr(struct nlmsghdr
*nlh
)
1620 nlh
->nlmsg_len
= tswap32(nlh
->nlmsg_len
);
1621 nlh
->nlmsg_type
= tswap16(nlh
->nlmsg_type
);
1622 nlh
->nlmsg_flags
= tswap16(nlh
->nlmsg_flags
);
1623 nlh
->nlmsg_seq
= tswap32(nlh
->nlmsg_seq
);
1624 nlh
->nlmsg_pid
= tswap32(nlh
->nlmsg_pid
);
1627 static abi_long
host_to_target_for_each_nlmsg(struct nlmsghdr
*nlh
,
1629 abi_long (*host_to_target_nlmsg
)
1630 (struct nlmsghdr
*))
1635 while (len
> sizeof(struct nlmsghdr
)) {
1637 nlmsg_len
= nlh
->nlmsg_len
;
1638 if (nlmsg_len
< sizeof(struct nlmsghdr
) ||
1643 switch (nlh
->nlmsg_type
) {
1645 tswap_nlmsghdr(nlh
);
1651 struct nlmsgerr
*e
= NLMSG_DATA(nlh
);
1652 e
->error
= tswap32(e
->error
);
1653 tswap_nlmsghdr(&e
->msg
);
1654 tswap_nlmsghdr(nlh
);
1658 ret
= host_to_target_nlmsg(nlh
);
1660 tswap_nlmsghdr(nlh
);
1665 tswap_nlmsghdr(nlh
);
1666 len
-= NLMSG_ALIGN(nlmsg_len
);
1667 nlh
= (struct nlmsghdr
*)(((char*)nlh
) + NLMSG_ALIGN(nlmsg_len
));
1672 static abi_long
target_to_host_for_each_nlmsg(struct nlmsghdr
*nlh
,
1674 abi_long (*target_to_host_nlmsg
)
1675 (struct nlmsghdr
*))
1679 while (len
> sizeof(struct nlmsghdr
)) {
1680 if (tswap32(nlh
->nlmsg_len
) < sizeof(struct nlmsghdr
) ||
1681 tswap32(nlh
->nlmsg_len
) > len
) {
1684 tswap_nlmsghdr(nlh
);
1685 switch (nlh
->nlmsg_type
) {
1692 struct nlmsgerr
*e
= NLMSG_DATA(nlh
);
1693 e
->error
= tswap32(e
->error
);
1694 tswap_nlmsghdr(&e
->msg
);
1698 ret
= target_to_host_nlmsg(nlh
);
1703 len
-= NLMSG_ALIGN(nlh
->nlmsg_len
);
1704 nlh
= (struct nlmsghdr
*)(((char *)nlh
) + NLMSG_ALIGN(nlh
->nlmsg_len
));
1709 #ifdef CONFIG_RTNETLINK
1710 static abi_long
host_to_target_for_each_rtattr(struct rtattr
*rtattr
,
1712 abi_long (*host_to_target_rtattr
)
1715 unsigned short rta_len
;
1718 while (len
> sizeof(struct rtattr
)) {
1719 rta_len
= rtattr
->rta_len
;
1720 if (rta_len
< sizeof(struct rtattr
) ||
1724 ret
= host_to_target_rtattr(rtattr
);
1725 rtattr
->rta_len
= tswap16(rtattr
->rta_len
);
1726 rtattr
->rta_type
= tswap16(rtattr
->rta_type
);
1730 len
-= RTA_ALIGN(rta_len
);
1731 rtattr
= (struct rtattr
*)(((char *)rtattr
) + RTA_ALIGN(rta_len
));
1736 static abi_long
host_to_target_data_link_rtattr(struct rtattr
*rtattr
)
1739 struct rtnl_link_stats
*st
;
1740 struct rtnl_link_stats64
*st64
;
1741 struct rtnl_link_ifmap
*map
;
1743 switch (rtattr
->rta_type
) {
1746 case IFLA_BROADCAST
:
1752 case IFLA_OPERSTATE
:
1755 case IFLA_PROTO_DOWN
:
1762 case IFLA_CARRIER_CHANGES
:
1763 case IFLA_NUM_RX_QUEUES
:
1764 case IFLA_NUM_TX_QUEUES
:
1765 case IFLA_PROMISCUITY
:
1767 case IFLA_LINK_NETNSID
:
1771 u32
= RTA_DATA(rtattr
);
1772 *u32
= tswap32(*u32
);
1774 /* struct rtnl_link_stats */
1776 st
= RTA_DATA(rtattr
);
1777 st
->rx_packets
= tswap32(st
->rx_packets
);
1778 st
->tx_packets
= tswap32(st
->tx_packets
);
1779 st
->rx_bytes
= tswap32(st
->rx_bytes
);
1780 st
->tx_bytes
= tswap32(st
->tx_bytes
);
1781 st
->rx_errors
= tswap32(st
->rx_errors
);
1782 st
->tx_errors
= tswap32(st
->tx_errors
);
1783 st
->rx_dropped
= tswap32(st
->rx_dropped
);
1784 st
->tx_dropped
= tswap32(st
->tx_dropped
);
1785 st
->multicast
= tswap32(st
->multicast
);
1786 st
->collisions
= tswap32(st
->collisions
);
1788 /* detailed rx_errors: */
1789 st
->rx_length_errors
= tswap32(st
->rx_length_errors
);
1790 st
->rx_over_errors
= tswap32(st
->rx_over_errors
);
1791 st
->rx_crc_errors
= tswap32(st
->rx_crc_errors
);
1792 st
->rx_frame_errors
= tswap32(st
->rx_frame_errors
);
1793 st
->rx_fifo_errors
= tswap32(st
->rx_fifo_errors
);
1794 st
->rx_missed_errors
= tswap32(st
->rx_missed_errors
);
1796 /* detailed tx_errors */
1797 st
->tx_aborted_errors
= tswap32(st
->tx_aborted_errors
);
1798 st
->tx_carrier_errors
= tswap32(st
->tx_carrier_errors
);
1799 st
->tx_fifo_errors
= tswap32(st
->tx_fifo_errors
);
1800 st
->tx_heartbeat_errors
= tswap32(st
->tx_heartbeat_errors
);
1801 st
->tx_window_errors
= tswap32(st
->tx_window_errors
);
1804 st
->rx_compressed
= tswap32(st
->rx_compressed
);
1805 st
->tx_compressed
= tswap32(st
->tx_compressed
);
1807 /* struct rtnl_link_stats64 */
1809 st64
= RTA_DATA(rtattr
);
1810 st64
->rx_packets
= tswap64(st64
->rx_packets
);
1811 st64
->tx_packets
= tswap64(st64
->tx_packets
);
1812 st64
->rx_bytes
= tswap64(st64
->rx_bytes
);
1813 st64
->tx_bytes
= tswap64(st64
->tx_bytes
);
1814 st64
->rx_errors
= tswap64(st64
->rx_errors
);
1815 st64
->tx_errors
= tswap64(st64
->tx_errors
);
1816 st64
->rx_dropped
= tswap64(st64
->rx_dropped
);
1817 st64
->tx_dropped
= tswap64(st64
->tx_dropped
);
1818 st64
->multicast
= tswap64(st64
->multicast
);
1819 st64
->collisions
= tswap64(st64
->collisions
);
1821 /* detailed rx_errors: */
1822 st64
->rx_length_errors
= tswap64(st64
->rx_length_errors
);
1823 st64
->rx_over_errors
= tswap64(st64
->rx_over_errors
);
1824 st64
->rx_crc_errors
= tswap64(st64
->rx_crc_errors
);
1825 st64
->rx_frame_errors
= tswap64(st64
->rx_frame_errors
);
1826 st64
->rx_fifo_errors
= tswap64(st64
->rx_fifo_errors
);
1827 st64
->rx_missed_errors
= tswap64(st64
->rx_missed_errors
);
1829 /* detailed tx_errors */
1830 st64
->tx_aborted_errors
= tswap64(st64
->tx_aborted_errors
);
1831 st64
->tx_carrier_errors
= tswap64(st64
->tx_carrier_errors
);
1832 st64
->tx_fifo_errors
= tswap64(st64
->tx_fifo_errors
);
1833 st64
->tx_heartbeat_errors
= tswap64(st64
->tx_heartbeat_errors
);
1834 st64
->tx_window_errors
= tswap64(st64
->tx_window_errors
);
1837 st64
->rx_compressed
= tswap64(st64
->rx_compressed
);
1838 st64
->tx_compressed
= tswap64(st64
->tx_compressed
);
1840 /* struct rtnl_link_ifmap */
1842 map
= RTA_DATA(rtattr
);
1843 map
->mem_start
= tswap64(map
->mem_start
);
1844 map
->mem_end
= tswap64(map
->mem_end
);
1845 map
->base_addr
= tswap64(map
->base_addr
);
1846 map
->irq
= tswap16(map
->irq
);
1851 /* FIXME: implement nested type */
1852 gemu_log("Unimplemented nested type %d\n", rtattr
->rta_type
);
1855 gemu_log("Unknown host IFLA type: %d\n", rtattr
->rta_type
);
1861 static abi_long
host_to_target_data_addr_rtattr(struct rtattr
*rtattr
)
1864 struct ifa_cacheinfo
*ci
;
1866 switch (rtattr
->rta_type
) {
1867 /* binary: depends on family type */
1877 u32
= RTA_DATA(rtattr
);
1878 *u32
= tswap32(*u32
);
1880 /* struct ifa_cacheinfo */
1882 ci
= RTA_DATA(rtattr
);
1883 ci
->ifa_prefered
= tswap32(ci
->ifa_prefered
);
1884 ci
->ifa_valid
= tswap32(ci
->ifa_valid
);
1885 ci
->cstamp
= tswap32(ci
->cstamp
);
1886 ci
->tstamp
= tswap32(ci
->tstamp
);
1889 gemu_log("Unknown host IFA type: %d\n", rtattr
->rta_type
);
1895 static abi_long
host_to_target_data_route_rtattr(struct rtattr
*rtattr
)
1898 switch (rtattr
->rta_type
) {
1899 /* binary: depends on family type */
1908 u32
= RTA_DATA(rtattr
);
1909 *u32
= tswap32(*u32
);
1912 gemu_log("Unknown host RTA type: %d\n", rtattr
->rta_type
);
1918 static abi_long
host_to_target_link_rtattr(struct rtattr
*rtattr
,
1919 uint32_t rtattr_len
)
1921 return host_to_target_for_each_rtattr(rtattr
, rtattr_len
,
1922 host_to_target_data_link_rtattr
);
1925 static abi_long
host_to_target_addr_rtattr(struct rtattr
*rtattr
,
1926 uint32_t rtattr_len
)
1928 return host_to_target_for_each_rtattr(rtattr
, rtattr_len
,
1929 host_to_target_data_addr_rtattr
);
1932 static abi_long
host_to_target_route_rtattr(struct rtattr
*rtattr
,
1933 uint32_t rtattr_len
)
1935 return host_to_target_for_each_rtattr(rtattr
, rtattr_len
,
1936 host_to_target_data_route_rtattr
);
1939 static abi_long
host_to_target_data_route(struct nlmsghdr
*nlh
)
1942 struct ifinfomsg
*ifi
;
1943 struct ifaddrmsg
*ifa
;
1946 nlmsg_len
= nlh
->nlmsg_len
;
1947 switch (nlh
->nlmsg_type
) {
1951 if (nlh
->nlmsg_len
>= NLMSG_LENGTH(sizeof(*ifi
))) {
1952 ifi
= NLMSG_DATA(nlh
);
1953 ifi
->ifi_type
= tswap16(ifi
->ifi_type
);
1954 ifi
->ifi_index
= tswap32(ifi
->ifi_index
);
1955 ifi
->ifi_flags
= tswap32(ifi
->ifi_flags
);
1956 ifi
->ifi_change
= tswap32(ifi
->ifi_change
);
1957 host_to_target_link_rtattr(IFLA_RTA(ifi
),
1958 nlmsg_len
- NLMSG_LENGTH(sizeof(*ifi
)));
1964 if (nlh
->nlmsg_len
>= NLMSG_LENGTH(sizeof(*ifa
))) {
1965 ifa
= NLMSG_DATA(nlh
);
1966 ifa
->ifa_index
= tswap32(ifa
->ifa_index
);
1967 host_to_target_addr_rtattr(IFA_RTA(ifa
),
1968 nlmsg_len
- NLMSG_LENGTH(sizeof(*ifa
)));
1974 if (nlh
->nlmsg_len
>= NLMSG_LENGTH(sizeof(*rtm
))) {
1975 rtm
= NLMSG_DATA(nlh
);
1976 rtm
->rtm_flags
= tswap32(rtm
->rtm_flags
);
1977 host_to_target_route_rtattr(RTM_RTA(rtm
),
1978 nlmsg_len
- NLMSG_LENGTH(sizeof(*rtm
)));
1982 return -TARGET_EINVAL
;
1987 static inline abi_long
host_to_target_nlmsg_route(struct nlmsghdr
*nlh
,
1990 return host_to_target_for_each_nlmsg(nlh
, len
, host_to_target_data_route
);
1993 static abi_long
target_to_host_for_each_rtattr(struct rtattr
*rtattr
,
1995 abi_long (*target_to_host_rtattr
)
2000 while (len
>= sizeof(struct rtattr
)) {
2001 if (tswap16(rtattr
->rta_len
) < sizeof(struct rtattr
) ||
2002 tswap16(rtattr
->rta_len
) > len
) {
2005 rtattr
->rta_len
= tswap16(rtattr
->rta_len
);
2006 rtattr
->rta_type
= tswap16(rtattr
->rta_type
);
2007 ret
= target_to_host_rtattr(rtattr
);
2011 len
-= RTA_ALIGN(rtattr
->rta_len
);
2012 rtattr
= (struct rtattr
*)(((char *)rtattr
) +
2013 RTA_ALIGN(rtattr
->rta_len
));
2018 static abi_long
target_to_host_data_link_rtattr(struct rtattr
*rtattr
)
2020 switch (rtattr
->rta_type
) {
2022 gemu_log("Unknown target IFLA type: %d\n", rtattr
->rta_type
);
2028 static abi_long
target_to_host_data_addr_rtattr(struct rtattr
*rtattr
)
2030 switch (rtattr
->rta_type
) {
2031 /* binary: depends on family type */
2036 gemu_log("Unknown target IFA type: %d\n", rtattr
->rta_type
);
2042 static abi_long
target_to_host_data_route_rtattr(struct rtattr
*rtattr
)
2045 switch (rtattr
->rta_type
) {
2046 /* binary: depends on family type */
2053 u32
= RTA_DATA(rtattr
);
2054 *u32
= tswap32(*u32
);
2057 gemu_log("Unknown target RTA type: %d\n", rtattr
->rta_type
);
2063 static void target_to_host_link_rtattr(struct rtattr
*rtattr
,
2064 uint32_t rtattr_len
)
2066 target_to_host_for_each_rtattr(rtattr
, rtattr_len
,
2067 target_to_host_data_link_rtattr
);
2070 static void target_to_host_addr_rtattr(struct rtattr
*rtattr
,
2071 uint32_t rtattr_len
)
2073 target_to_host_for_each_rtattr(rtattr
, rtattr_len
,
2074 target_to_host_data_addr_rtattr
);
2077 static void target_to_host_route_rtattr(struct rtattr
*rtattr
,
2078 uint32_t rtattr_len
)
2080 target_to_host_for_each_rtattr(rtattr
, rtattr_len
,
2081 target_to_host_data_route_rtattr
);
2084 static abi_long
target_to_host_data_route(struct nlmsghdr
*nlh
)
2086 struct ifinfomsg
*ifi
;
2087 struct ifaddrmsg
*ifa
;
2090 switch (nlh
->nlmsg_type
) {
2095 if (nlh
->nlmsg_len
>= NLMSG_LENGTH(sizeof(*ifi
))) {
2096 ifi
= NLMSG_DATA(nlh
);
2097 ifi
->ifi_type
= tswap16(ifi
->ifi_type
);
2098 ifi
->ifi_index
= tswap32(ifi
->ifi_index
);
2099 ifi
->ifi_flags
= tswap32(ifi
->ifi_flags
);
2100 ifi
->ifi_change
= tswap32(ifi
->ifi_change
);
2101 target_to_host_link_rtattr(IFLA_RTA(ifi
), nlh
->nlmsg_len
-
2102 NLMSG_LENGTH(sizeof(*ifi
)));
2108 if (nlh
->nlmsg_len
>= NLMSG_LENGTH(sizeof(*ifa
))) {
2109 ifa
= NLMSG_DATA(nlh
);
2110 ifa
->ifa_index
= tswap32(ifa
->ifa_index
);
2111 target_to_host_addr_rtattr(IFA_RTA(ifa
), nlh
->nlmsg_len
-
2112 NLMSG_LENGTH(sizeof(*ifa
)));
2119 if (nlh
->nlmsg_len
>= NLMSG_LENGTH(sizeof(*rtm
))) {
2120 rtm
= NLMSG_DATA(nlh
);
2121 rtm
->rtm_flags
= tswap32(rtm
->rtm_flags
);
2122 target_to_host_route_rtattr(RTM_RTA(rtm
), nlh
->nlmsg_len
-
2123 NLMSG_LENGTH(sizeof(*rtm
)));
2127 return -TARGET_EOPNOTSUPP
;
2132 static abi_long
target_to_host_nlmsg_route(struct nlmsghdr
*nlh
, size_t len
)
2134 return target_to_host_for_each_nlmsg(nlh
, len
, target_to_host_data_route
);
2136 #endif /* CONFIG_RTNETLINK */
2138 static abi_long
host_to_target_data_audit(struct nlmsghdr
*nlh
)
2140 switch (nlh
->nlmsg_type
) {
2142 gemu_log("Unknown host audit message type %d\n",
2144 return -TARGET_EINVAL
;
2149 static inline abi_long
host_to_target_nlmsg_audit(struct nlmsghdr
*nlh
,
2152 return host_to_target_for_each_nlmsg(nlh
, len
, host_to_target_data_audit
);
2155 static abi_long
target_to_host_data_audit(struct nlmsghdr
*nlh
)
2157 switch (nlh
->nlmsg_type
) {
2159 case AUDIT_FIRST_USER_MSG
... AUDIT_LAST_USER_MSG
:
2160 case AUDIT_FIRST_USER_MSG2
... AUDIT_LAST_USER_MSG2
:
2163 gemu_log("Unknown target audit message type %d\n",
2165 return -TARGET_EINVAL
;
2171 static abi_long
target_to_host_nlmsg_audit(struct nlmsghdr
*nlh
, size_t len
)
2173 return target_to_host_for_each_nlmsg(nlh
, len
, target_to_host_data_audit
);
2176 /* do_setsockopt() Must return target values and target errnos. */
2177 static abi_long
do_setsockopt(int sockfd
, int level
, int optname
,
2178 abi_ulong optval_addr
, socklen_t optlen
)
2182 struct ip_mreqn
*ip_mreq
;
2183 struct ip_mreq_source
*ip_mreq_source
;
2187 /* TCP options all take an 'int' value. */
2188 if (optlen
< sizeof(uint32_t))
2189 return -TARGET_EINVAL
;
2191 if (get_user_u32(val
, optval_addr
))
2192 return -TARGET_EFAULT
;
2193 ret
= get_errno(setsockopt(sockfd
, level
, optname
, &val
, sizeof(val
)));
2200 case IP_ROUTER_ALERT
:
2204 case IP_MTU_DISCOVER
:
2210 case IP_MULTICAST_TTL
:
2211 case IP_MULTICAST_LOOP
:
2213 if (optlen
>= sizeof(uint32_t)) {
2214 if (get_user_u32(val
, optval_addr
))
2215 return -TARGET_EFAULT
;
2216 } else if (optlen
>= 1) {
2217 if (get_user_u8(val
, optval_addr
))
2218 return -TARGET_EFAULT
;
2220 ret
= get_errno(setsockopt(sockfd
, level
, optname
, &val
, sizeof(val
)));
2222 case IP_ADD_MEMBERSHIP
:
2223 case IP_DROP_MEMBERSHIP
:
2224 if (optlen
< sizeof (struct target_ip_mreq
) ||
2225 optlen
> sizeof (struct target_ip_mreqn
))
2226 return -TARGET_EINVAL
;
2228 ip_mreq
= (struct ip_mreqn
*) alloca(optlen
);
2229 target_to_host_ip_mreq(ip_mreq
, optval_addr
, optlen
);
2230 ret
= get_errno(setsockopt(sockfd
, level
, optname
, ip_mreq
, optlen
));
2233 case IP_BLOCK_SOURCE
:
2234 case IP_UNBLOCK_SOURCE
:
2235 case IP_ADD_SOURCE_MEMBERSHIP
:
2236 case IP_DROP_SOURCE_MEMBERSHIP
:
2237 if (optlen
!= sizeof (struct target_ip_mreq_source
))
2238 return -TARGET_EINVAL
;
2240 ip_mreq_source
= lock_user(VERIFY_READ
, optval_addr
, optlen
, 1);
2241 ret
= get_errno(setsockopt(sockfd
, level
, optname
, ip_mreq_source
, optlen
));
2242 unlock_user (ip_mreq_source
, optval_addr
, 0);
2251 case IPV6_MTU_DISCOVER
:
2254 case IPV6_RECVPKTINFO
:
2256 if (optlen
< sizeof(uint32_t)) {
2257 return -TARGET_EINVAL
;
2259 if (get_user_u32(val
, optval_addr
)) {
2260 return -TARGET_EFAULT
;
2262 ret
= get_errno(setsockopt(sockfd
, level
, optname
,
2263 &val
, sizeof(val
)));
2272 /* struct icmp_filter takes an u32 value */
2273 if (optlen
< sizeof(uint32_t)) {
2274 return -TARGET_EINVAL
;
2277 if (get_user_u32(val
, optval_addr
)) {
2278 return -TARGET_EFAULT
;
2280 ret
= get_errno(setsockopt(sockfd
, level
, optname
,
2281 &val
, sizeof(val
)));
2288 case TARGET_SOL_SOCKET
:
2290 case TARGET_SO_RCVTIMEO
:
2294 optname
= SO_RCVTIMEO
;
2297 if (optlen
!= sizeof(struct target_timeval
)) {
2298 return -TARGET_EINVAL
;
2301 if (copy_from_user_timeval(&tv
, optval_addr
)) {
2302 return -TARGET_EFAULT
;
2305 ret
= get_errno(setsockopt(sockfd
, SOL_SOCKET
, optname
,
2309 case TARGET_SO_SNDTIMEO
:
2310 optname
= SO_SNDTIMEO
;
2312 case TARGET_SO_ATTACH_FILTER
:
2314 struct target_sock_fprog
*tfprog
;
2315 struct target_sock_filter
*tfilter
;
2316 struct sock_fprog fprog
;
2317 struct sock_filter
*filter
;
2320 if (optlen
!= sizeof(*tfprog
)) {
2321 return -TARGET_EINVAL
;
2323 if (!lock_user_struct(VERIFY_READ
, tfprog
, optval_addr
, 0)) {
2324 return -TARGET_EFAULT
;
2326 if (!lock_user_struct(VERIFY_READ
, tfilter
,
2327 tswapal(tfprog
->filter
), 0)) {
2328 unlock_user_struct(tfprog
, optval_addr
, 1);
2329 return -TARGET_EFAULT
;
2332 fprog
.len
= tswap16(tfprog
->len
);
2333 filter
= g_try_new(struct sock_filter
, fprog
.len
);
2334 if (filter
== NULL
) {
2335 unlock_user_struct(tfilter
, tfprog
->filter
, 1);
2336 unlock_user_struct(tfprog
, optval_addr
, 1);
2337 return -TARGET_ENOMEM
;
2339 for (i
= 0; i
< fprog
.len
; i
++) {
2340 filter
[i
].code
= tswap16(tfilter
[i
].code
);
2341 filter
[i
].jt
= tfilter
[i
].jt
;
2342 filter
[i
].jf
= tfilter
[i
].jf
;
2343 filter
[i
].k
= tswap32(tfilter
[i
].k
);
2345 fprog
.filter
= filter
;
2347 ret
= get_errno(setsockopt(sockfd
, SOL_SOCKET
,
2348 SO_ATTACH_FILTER
, &fprog
, sizeof(fprog
)));
2351 unlock_user_struct(tfilter
, tfprog
->filter
, 1);
2352 unlock_user_struct(tfprog
, optval_addr
, 1);
2355 case TARGET_SO_BINDTODEVICE
:
2357 char *dev_ifname
, *addr_ifname
;
2359 if (optlen
> IFNAMSIZ
- 1) {
2360 optlen
= IFNAMSIZ
- 1;
2362 dev_ifname
= lock_user(VERIFY_READ
, optval_addr
, optlen
, 1);
2364 return -TARGET_EFAULT
;
2366 optname
= SO_BINDTODEVICE
;
2367 addr_ifname
= alloca(IFNAMSIZ
);
2368 memcpy(addr_ifname
, dev_ifname
, optlen
);
2369 addr_ifname
[optlen
] = 0;
2370 ret
= get_errno(setsockopt(sockfd
, SOL_SOCKET
, optname
,
2371 addr_ifname
, optlen
));
2372 unlock_user (dev_ifname
, optval_addr
, 0);
2375 /* Options with 'int' argument. */
2376 case TARGET_SO_DEBUG
:
2379 case TARGET_SO_REUSEADDR
:
2380 optname
= SO_REUSEADDR
;
2382 case TARGET_SO_TYPE
:
2385 case TARGET_SO_ERROR
:
2388 case TARGET_SO_DONTROUTE
:
2389 optname
= SO_DONTROUTE
;
2391 case TARGET_SO_BROADCAST
:
2392 optname
= SO_BROADCAST
;
2394 case TARGET_SO_SNDBUF
:
2395 optname
= SO_SNDBUF
;
2397 case TARGET_SO_SNDBUFFORCE
:
2398 optname
= SO_SNDBUFFORCE
;
2400 case TARGET_SO_RCVBUF
:
2401 optname
= SO_RCVBUF
;
2403 case TARGET_SO_RCVBUFFORCE
:
2404 optname
= SO_RCVBUFFORCE
;
2406 case TARGET_SO_KEEPALIVE
:
2407 optname
= SO_KEEPALIVE
;
2409 case TARGET_SO_OOBINLINE
:
2410 optname
= SO_OOBINLINE
;
2412 case TARGET_SO_NO_CHECK
:
2413 optname
= SO_NO_CHECK
;
2415 case TARGET_SO_PRIORITY
:
2416 optname
= SO_PRIORITY
;
2419 case TARGET_SO_BSDCOMPAT
:
2420 optname
= SO_BSDCOMPAT
;
2423 case TARGET_SO_PASSCRED
:
2424 optname
= SO_PASSCRED
;
2426 case TARGET_SO_PASSSEC
:
2427 optname
= SO_PASSSEC
;
2429 case TARGET_SO_TIMESTAMP
:
2430 optname
= SO_TIMESTAMP
;
2432 case TARGET_SO_RCVLOWAT
:
2433 optname
= SO_RCVLOWAT
;
2439 if (optlen
< sizeof(uint32_t))
2440 return -TARGET_EINVAL
;
2442 if (get_user_u32(val
, optval_addr
))
2443 return -TARGET_EFAULT
;
2444 ret
= get_errno(setsockopt(sockfd
, SOL_SOCKET
, optname
, &val
, sizeof(val
)));
2448 gemu_log("Unsupported setsockopt level=%d optname=%d\n", level
, optname
);
2449 ret
= -TARGET_ENOPROTOOPT
;
2454 /* do_getsockopt() Must return target values and target errnos. */
2455 static abi_long
do_getsockopt(int sockfd
, int level
, int optname
,
2456 abi_ulong optval_addr
, abi_ulong optlen
)
2463 case TARGET_SOL_SOCKET
:
2466 /* These don't just return a single integer */
2467 case TARGET_SO_LINGER
:
2468 case TARGET_SO_RCVTIMEO
:
2469 case TARGET_SO_SNDTIMEO
:
2470 case TARGET_SO_PEERNAME
:
2472 case TARGET_SO_PEERCRED
: {
2475 struct target_ucred
*tcr
;
2477 if (get_user_u32(len
, optlen
)) {
2478 return -TARGET_EFAULT
;
2481 return -TARGET_EINVAL
;
2485 ret
= get_errno(getsockopt(sockfd
, level
, SO_PEERCRED
,
2493 if (!lock_user_struct(VERIFY_WRITE
, tcr
, optval_addr
, 0)) {
2494 return -TARGET_EFAULT
;
2496 __put_user(cr
.pid
, &tcr
->pid
);
2497 __put_user(cr
.uid
, &tcr
->uid
);
2498 __put_user(cr
.gid
, &tcr
->gid
);
2499 unlock_user_struct(tcr
, optval_addr
, 1);
2500 if (put_user_u32(len
, optlen
)) {
2501 return -TARGET_EFAULT
;
2505 /* Options with 'int' argument. */
2506 case TARGET_SO_DEBUG
:
2509 case TARGET_SO_REUSEADDR
:
2510 optname
= SO_REUSEADDR
;
2512 case TARGET_SO_TYPE
:
2515 case TARGET_SO_ERROR
:
2518 case TARGET_SO_DONTROUTE
:
2519 optname
= SO_DONTROUTE
;
2521 case TARGET_SO_BROADCAST
:
2522 optname
= SO_BROADCAST
;
2524 case TARGET_SO_SNDBUF
:
2525 optname
= SO_SNDBUF
;
2527 case TARGET_SO_RCVBUF
:
2528 optname
= SO_RCVBUF
;
2530 case TARGET_SO_KEEPALIVE
:
2531 optname
= SO_KEEPALIVE
;
2533 case TARGET_SO_OOBINLINE
:
2534 optname
= SO_OOBINLINE
;
2536 case TARGET_SO_NO_CHECK
:
2537 optname
= SO_NO_CHECK
;
2539 case TARGET_SO_PRIORITY
:
2540 optname
= SO_PRIORITY
;
2543 case TARGET_SO_BSDCOMPAT
:
2544 optname
= SO_BSDCOMPAT
;
2547 case TARGET_SO_PASSCRED
:
2548 optname
= SO_PASSCRED
;
2550 case TARGET_SO_TIMESTAMP
:
2551 optname
= SO_TIMESTAMP
;
2553 case TARGET_SO_RCVLOWAT
:
2554 optname
= SO_RCVLOWAT
;
2556 case TARGET_SO_ACCEPTCONN
:
2557 optname
= SO_ACCEPTCONN
;
2564 /* TCP options all take an 'int' value. */
2566 if (get_user_u32(len
, optlen
))
2567 return -TARGET_EFAULT
;
2569 return -TARGET_EINVAL
;
2571 ret
= get_errno(getsockopt(sockfd
, level
, optname
, &val
, &lv
));
2574 if (optname
== SO_TYPE
) {
2575 val
= host_to_target_sock_type(val
);
2580 if (put_user_u32(val
, optval_addr
))
2581 return -TARGET_EFAULT
;
2583 if (put_user_u8(val
, optval_addr
))
2584 return -TARGET_EFAULT
;
2586 if (put_user_u32(len
, optlen
))
2587 return -TARGET_EFAULT
;
2594 case IP_ROUTER_ALERT
:
2598 case IP_MTU_DISCOVER
:
2604 case IP_MULTICAST_TTL
:
2605 case IP_MULTICAST_LOOP
:
2606 if (get_user_u32(len
, optlen
))
2607 return -TARGET_EFAULT
;
2609 return -TARGET_EINVAL
;
2611 ret
= get_errno(getsockopt(sockfd
, level
, optname
, &val
, &lv
));
2614 if (len
< sizeof(int) && len
> 0 && val
>= 0 && val
< 255) {
2616 if (put_user_u32(len
, optlen
)
2617 || put_user_u8(val
, optval_addr
))
2618 return -TARGET_EFAULT
;
2620 if (len
> sizeof(int))
2622 if (put_user_u32(len
, optlen
)
2623 || put_user_u32(val
, optval_addr
))
2624 return -TARGET_EFAULT
;
2628 ret
= -TARGET_ENOPROTOOPT
;
2634 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
2636 ret
= -TARGET_EOPNOTSUPP
;
2642 static struct iovec
*lock_iovec(int type
, abi_ulong target_addr
,
2643 int count
, int copy
)
2645 struct target_iovec
*target_vec
;
2647 abi_ulong total_len
, max_len
;
2650 bool bad_address
= false;
2656 if (count
< 0 || count
> IOV_MAX
) {
2661 vec
= g_try_new0(struct iovec
, count
);
2667 target_vec
= lock_user(VERIFY_READ
, target_addr
,
2668 count
* sizeof(struct target_iovec
), 1);
2669 if (target_vec
== NULL
) {
2674 /* ??? If host page size > target page size, this will result in a
2675 value larger than what we can actually support. */
2676 max_len
= 0x7fffffff & TARGET_PAGE_MASK
;
2679 for (i
= 0; i
< count
; i
++) {
2680 abi_ulong base
= tswapal(target_vec
[i
].iov_base
);
2681 abi_long len
= tswapal(target_vec
[i
].iov_len
);
2686 } else if (len
== 0) {
2687 /* Zero length pointer is ignored. */
2688 vec
[i
].iov_base
= 0;
2690 vec
[i
].iov_base
= lock_user(type
, base
, len
, copy
);
2691 /* If the first buffer pointer is bad, this is a fault. But
2692 * subsequent bad buffers will result in a partial write; this
2693 * is realized by filling the vector with null pointers and
2695 if (!vec
[i
].iov_base
) {
2706 if (len
> max_len
- total_len
) {
2707 len
= max_len
- total_len
;
2710 vec
[i
].iov_len
= len
;
2714 unlock_user(target_vec
, target_addr
, 0);
2719 if (tswapal(target_vec
[i
].iov_len
) > 0) {
2720 unlock_user(vec
[i
].iov_base
, tswapal(target_vec
[i
].iov_base
), 0);
2723 unlock_user(target_vec
, target_addr
, 0);
2730 static void unlock_iovec(struct iovec
*vec
, abi_ulong target_addr
,
2731 int count
, int copy
)
2733 struct target_iovec
*target_vec
;
2736 target_vec
= lock_user(VERIFY_READ
, target_addr
,
2737 count
* sizeof(struct target_iovec
), 1);
2739 for (i
= 0; i
< count
; i
++) {
2740 abi_ulong base
= tswapal(target_vec
[i
].iov_base
);
2741 abi_long len
= tswapal(target_vec
[i
].iov_len
);
2745 unlock_user(vec
[i
].iov_base
, base
, copy
? vec
[i
].iov_len
: 0);
2747 unlock_user(target_vec
, target_addr
, 0);
2753 static inline int target_to_host_sock_type(int *type
)
2756 int target_type
= *type
;
2758 switch (target_type
& TARGET_SOCK_TYPE_MASK
) {
2759 case TARGET_SOCK_DGRAM
:
2760 host_type
= SOCK_DGRAM
;
2762 case TARGET_SOCK_STREAM
:
2763 host_type
= SOCK_STREAM
;
2766 host_type
= target_type
& TARGET_SOCK_TYPE_MASK
;
2769 if (target_type
& TARGET_SOCK_CLOEXEC
) {
2770 #if defined(SOCK_CLOEXEC)
2771 host_type
|= SOCK_CLOEXEC
;
2773 return -TARGET_EINVAL
;
2776 if (target_type
& TARGET_SOCK_NONBLOCK
) {
2777 #if defined(SOCK_NONBLOCK)
2778 host_type
|= SOCK_NONBLOCK
;
2779 #elif !defined(O_NONBLOCK)
2780 return -TARGET_EINVAL
;
2787 /* Try to emulate socket type flags after socket creation. */
2788 static int sock_flags_fixup(int fd
, int target_type
)
2790 #if !defined(SOCK_NONBLOCK) && defined(O_NONBLOCK)
2791 if (target_type
& TARGET_SOCK_NONBLOCK
) {
2792 int flags
= fcntl(fd
, F_GETFL
);
2793 if (fcntl(fd
, F_SETFL
, O_NONBLOCK
| flags
) == -1) {
2795 return -TARGET_EINVAL
;
2802 static abi_long
packet_target_to_host_sockaddr(void *host_addr
,
2803 abi_ulong target_addr
,
2806 struct sockaddr
*addr
= host_addr
;
2807 struct target_sockaddr
*target_saddr
;
2809 target_saddr
= lock_user(VERIFY_READ
, target_addr
, len
, 1);
2810 if (!target_saddr
) {
2811 return -TARGET_EFAULT
;
2814 memcpy(addr
, target_saddr
, len
);
2815 addr
->sa_family
= tswap16(target_saddr
->sa_family
);
2816 /* spkt_protocol is big-endian */
2818 unlock_user(target_saddr
, target_addr
, 0);
2822 static TargetFdTrans target_packet_trans
= {
2823 .target_to_host_addr
= packet_target_to_host_sockaddr
,
2826 #ifdef CONFIG_RTNETLINK
2827 static abi_long
netlink_route_target_to_host(void *buf
, size_t len
)
2829 return target_to_host_nlmsg_route(buf
, len
);
2832 static abi_long
netlink_route_host_to_target(void *buf
, size_t len
)
2834 return host_to_target_nlmsg_route(buf
, len
);
2837 static TargetFdTrans target_netlink_route_trans
= {
2838 .target_to_host_data
= netlink_route_target_to_host
,
2839 .host_to_target_data
= netlink_route_host_to_target
,
2841 #endif /* CONFIG_RTNETLINK */
2843 static abi_long
netlink_audit_target_to_host(void *buf
, size_t len
)
2845 return target_to_host_nlmsg_audit(buf
, len
);
2848 static abi_long
netlink_audit_host_to_target(void *buf
, size_t len
)
2850 return host_to_target_nlmsg_audit(buf
, len
);
2853 static TargetFdTrans target_netlink_audit_trans
= {
2854 .target_to_host_data
= netlink_audit_target_to_host
,
2855 .host_to_target_data
= netlink_audit_host_to_target
,
2858 /* do_socket() Must return target values and target errnos. */
2859 static abi_long
do_socket(int domain
, int type
, int protocol
)
2861 int target_type
= type
;
2864 ret
= target_to_host_sock_type(&type
);
2869 if (domain
== PF_NETLINK
&& !(
2870 #ifdef CONFIG_RTNETLINK
2871 protocol
== NETLINK_ROUTE
||
2873 protocol
== NETLINK_KOBJECT_UEVENT
||
2874 protocol
== NETLINK_AUDIT
)) {
2875 return -EPFNOSUPPORT
;
2878 if (domain
== AF_PACKET
||
2879 (domain
== AF_INET
&& type
== SOCK_PACKET
)) {
2880 protocol
= tswap16(protocol
);
2883 ret
= get_errno(socket(domain
, type
, protocol
));
2885 ret
= sock_flags_fixup(ret
, target_type
);
2886 if (type
== SOCK_PACKET
) {
2887 /* Manage an obsolete case :
2888 * if socket type is SOCK_PACKET, bind by name
2890 fd_trans_register(ret
, &target_packet_trans
);
2891 } else if (domain
== PF_NETLINK
) {
2893 #ifdef CONFIG_RTNETLINK
2895 fd_trans_register(ret
, &target_netlink_route_trans
);
2898 case NETLINK_KOBJECT_UEVENT
:
2899 /* nothing to do: messages are strings */
2902 fd_trans_register(ret
, &target_netlink_audit_trans
);
2905 g_assert_not_reached();
2912 /* do_bind() Must return target values and target errnos. */
2913 static abi_long
do_bind(int sockfd
, abi_ulong target_addr
,
2919 if ((int)addrlen
< 0) {
2920 return -TARGET_EINVAL
;
2923 addr
= alloca(addrlen
+1);
2925 ret
= target_to_host_sockaddr(sockfd
, addr
, target_addr
, addrlen
);
2929 return get_errno(bind(sockfd
, addr
, addrlen
));
2932 /* do_connect() Must return target values and target errnos. */
2933 static abi_long
do_connect(int sockfd
, abi_ulong target_addr
,
2939 if ((int)addrlen
< 0) {
2940 return -TARGET_EINVAL
;
2943 addr
= alloca(addrlen
+1);
2945 ret
= target_to_host_sockaddr(sockfd
, addr
, target_addr
, addrlen
);
2949 return get_errno(safe_connect(sockfd
, addr
, addrlen
));
2952 /* do_sendrecvmsg_locked() Must return target values and target errnos. */
2953 static abi_long
do_sendrecvmsg_locked(int fd
, struct target_msghdr
*msgp
,
2954 int flags
, int send
)
2960 abi_ulong target_vec
;
2962 if (msgp
->msg_name
) {
2963 msg
.msg_namelen
= tswap32(msgp
->msg_namelen
);
2964 msg
.msg_name
= alloca(msg
.msg_namelen
+1);
2965 ret
= target_to_host_sockaddr(fd
, msg
.msg_name
,
2966 tswapal(msgp
->msg_name
),
2972 msg
.msg_name
= NULL
;
2973 msg
.msg_namelen
= 0;
2975 msg
.msg_controllen
= 2 * tswapal(msgp
->msg_controllen
);
2976 msg
.msg_control
= alloca(msg
.msg_controllen
);
2977 msg
.msg_flags
= tswap32(msgp
->msg_flags
);
2979 count
= tswapal(msgp
->msg_iovlen
);
2980 target_vec
= tswapal(msgp
->msg_iov
);
2981 vec
= lock_iovec(send
? VERIFY_READ
: VERIFY_WRITE
,
2982 target_vec
, count
, send
);
2984 ret
= -host_to_target_errno(errno
);
2987 msg
.msg_iovlen
= count
;
2991 if (fd_trans_target_to_host_data(fd
)) {
2992 ret
= fd_trans_target_to_host_data(fd
)(msg
.msg_iov
->iov_base
,
2993 msg
.msg_iov
->iov_len
);
2995 ret
= target_to_host_cmsg(&msg
, msgp
);
2998 ret
= get_errno(safe_sendmsg(fd
, &msg
, flags
));
3001 ret
= get_errno(safe_recvmsg(fd
, &msg
, flags
));
3002 if (!is_error(ret
)) {
3004 if (fd_trans_host_to_target_data(fd
)) {
3005 ret
= fd_trans_host_to_target_data(fd
)(msg
.msg_iov
->iov_base
,
3008 ret
= host_to_target_cmsg(msgp
, &msg
);
3010 if (!is_error(ret
)) {
3011 msgp
->msg_namelen
= tswap32(msg
.msg_namelen
);
3012 if (msg
.msg_name
!= NULL
) {
3013 ret
= host_to_target_sockaddr(tswapal(msgp
->msg_name
),
3014 msg
.msg_name
, msg
.msg_namelen
);
3026 unlock_iovec(vec
, target_vec
, count
, !send
);
3031 static abi_long
do_sendrecvmsg(int fd
, abi_ulong target_msg
,
3032 int flags
, int send
)
3035 struct target_msghdr
*msgp
;
3037 if (!lock_user_struct(send
? VERIFY_READ
: VERIFY_WRITE
,
3041 return -TARGET_EFAULT
;
3043 ret
= do_sendrecvmsg_locked(fd
, msgp
, flags
, send
);
3044 unlock_user_struct(msgp
, target_msg
, send
? 0 : 1);
3048 /* We don't rely on the C library to have sendmmsg/recvmmsg support,
3049 * so it might not have this *mmsg-specific flag either.
3051 #ifndef MSG_WAITFORONE
3052 #define MSG_WAITFORONE 0x10000
3055 static abi_long
do_sendrecvmmsg(int fd
, abi_ulong target_msgvec
,
3056 unsigned int vlen
, unsigned int flags
,
3059 struct target_mmsghdr
*mmsgp
;
3063 if (vlen
> UIO_MAXIOV
) {
3067 mmsgp
= lock_user(VERIFY_WRITE
, target_msgvec
, sizeof(*mmsgp
) * vlen
, 1);
3069 return -TARGET_EFAULT
;
3072 for (i
= 0; i
< vlen
; i
++) {
3073 ret
= do_sendrecvmsg_locked(fd
, &mmsgp
[i
].msg_hdr
, flags
, send
);
3074 if (is_error(ret
)) {
3077 mmsgp
[i
].msg_len
= tswap32(ret
);
3078 /* MSG_WAITFORONE turns on MSG_DONTWAIT after one packet */
3079 if (flags
& MSG_WAITFORONE
) {
3080 flags
|= MSG_DONTWAIT
;
3084 unlock_user(mmsgp
, target_msgvec
, sizeof(*mmsgp
) * i
);
3086 /* Return number of datagrams sent if we sent any at all;
3087 * otherwise return the error.
3095 /* do_accept4() Must return target values and target errnos. */
3096 static abi_long
do_accept4(int fd
, abi_ulong target_addr
,
3097 abi_ulong target_addrlen_addr
, int flags
)
3104 host_flags
= target_to_host_bitmask(flags
, fcntl_flags_tbl
);
3106 if (target_addr
== 0) {
3107 return get_errno(safe_accept4(fd
, NULL
, NULL
, host_flags
));
3110 /* linux returns EINVAL if addrlen pointer is invalid */
3111 if (get_user_u32(addrlen
, target_addrlen_addr
))
3112 return -TARGET_EINVAL
;
3114 if ((int)addrlen
< 0) {
3115 return -TARGET_EINVAL
;
3118 if (!access_ok(VERIFY_WRITE
, target_addr
, addrlen
))
3119 return -TARGET_EINVAL
;
3121 addr
= alloca(addrlen
);
3123 ret
= get_errno(safe_accept4(fd
, addr
, &addrlen
, host_flags
));
3124 if (!is_error(ret
)) {
3125 host_to_target_sockaddr(target_addr
, addr
, addrlen
);
3126 if (put_user_u32(addrlen
, target_addrlen_addr
))
3127 ret
= -TARGET_EFAULT
;
3132 /* do_getpeername() Must return target values and target errnos. */
3133 static abi_long
do_getpeername(int fd
, abi_ulong target_addr
,
3134 abi_ulong target_addrlen_addr
)
3140 if (get_user_u32(addrlen
, target_addrlen_addr
))
3141 return -TARGET_EFAULT
;
3143 if ((int)addrlen
< 0) {
3144 return -TARGET_EINVAL
;
3147 if (!access_ok(VERIFY_WRITE
, target_addr
, addrlen
))
3148 return -TARGET_EFAULT
;
3150 addr
= alloca(addrlen
);
3152 ret
= get_errno(getpeername(fd
, addr
, &addrlen
));
3153 if (!is_error(ret
)) {
3154 host_to_target_sockaddr(target_addr
, addr
, addrlen
);
3155 if (put_user_u32(addrlen
, target_addrlen_addr
))
3156 ret
= -TARGET_EFAULT
;
3161 /* do_getsockname() Must return target values and target errnos. */
3162 static abi_long
do_getsockname(int fd
, abi_ulong target_addr
,
3163 abi_ulong target_addrlen_addr
)
3169 if (get_user_u32(addrlen
, target_addrlen_addr
))
3170 return -TARGET_EFAULT
;
3172 if ((int)addrlen
< 0) {
3173 return -TARGET_EINVAL
;
3176 if (!access_ok(VERIFY_WRITE
, target_addr
, addrlen
))
3177 return -TARGET_EFAULT
;
3179 addr
= alloca(addrlen
);
3181 ret
= get_errno(getsockname(fd
, addr
, &addrlen
));
3182 if (!is_error(ret
)) {
3183 host_to_target_sockaddr(target_addr
, addr
, addrlen
);
3184 if (put_user_u32(addrlen
, target_addrlen_addr
))
3185 ret
= -TARGET_EFAULT
;
3190 /* do_socketpair() Must return target values and target errnos. */
3191 static abi_long
do_socketpair(int domain
, int type
, int protocol
,
3192 abi_ulong target_tab_addr
)
3197 target_to_host_sock_type(&type
);
3199 ret
= get_errno(socketpair(domain
, type
, protocol
, tab
));
3200 if (!is_error(ret
)) {
3201 if (put_user_s32(tab
[0], target_tab_addr
)
3202 || put_user_s32(tab
[1], target_tab_addr
+ sizeof(tab
[0])))
3203 ret
= -TARGET_EFAULT
;
3208 /* do_sendto() Must return target values and target errnos. */
3209 static abi_long
do_sendto(int fd
, abi_ulong msg
, size_t len
, int flags
,
3210 abi_ulong target_addr
, socklen_t addrlen
)
3216 if ((int)addrlen
< 0) {
3217 return -TARGET_EINVAL
;
3220 host_msg
= lock_user(VERIFY_READ
, msg
, len
, 1);
3222 return -TARGET_EFAULT
;
3223 if (fd_trans_target_to_host_data(fd
)) {
3224 ret
= fd_trans_target_to_host_data(fd
)(host_msg
, len
);
3226 unlock_user(host_msg
, msg
, 0);
3231 addr
= alloca(addrlen
+1);
3232 ret
= target_to_host_sockaddr(fd
, addr
, target_addr
, addrlen
);
3234 unlock_user(host_msg
, msg
, 0);
3237 ret
= get_errno(safe_sendto(fd
, host_msg
, len
, flags
, addr
, addrlen
));
3239 ret
= get_errno(safe_sendto(fd
, host_msg
, len
, flags
, NULL
, 0));
3241 unlock_user(host_msg
, msg
, 0);
3245 /* do_recvfrom() Must return target values and target errnos. */
3246 static abi_long
do_recvfrom(int fd
, abi_ulong msg
, size_t len
, int flags
,
3247 abi_ulong target_addr
,
3248 abi_ulong target_addrlen
)
3255 host_msg
= lock_user(VERIFY_WRITE
, msg
, len
, 0);
3257 return -TARGET_EFAULT
;
3259 if (get_user_u32(addrlen
, target_addrlen
)) {
3260 ret
= -TARGET_EFAULT
;
3263 if ((int)addrlen
< 0) {
3264 ret
= -TARGET_EINVAL
;
3267 addr
= alloca(addrlen
);
3268 ret
= get_errno(safe_recvfrom(fd
, host_msg
, len
, flags
,
3271 addr
= NULL
; /* To keep compiler quiet. */
3272 ret
= get_errno(safe_recvfrom(fd
, host_msg
, len
, flags
, NULL
, 0));
3274 if (!is_error(ret
)) {
3276 host_to_target_sockaddr(target_addr
, addr
, addrlen
);
3277 if (put_user_u32(addrlen
, target_addrlen
)) {
3278 ret
= -TARGET_EFAULT
;
3282 unlock_user(host_msg
, msg
, len
);
3285 unlock_user(host_msg
, msg
, 0);
3290 #ifdef TARGET_NR_socketcall
3291 /* do_socketcall() Must return target values and target errnos. */
3292 static abi_long
do_socketcall(int num
, abi_ulong vptr
)
3294 static const unsigned ac
[] = { /* number of arguments per call */
3295 [SOCKOP_socket
] = 3, /* domain, type, protocol */
3296 [SOCKOP_bind
] = 3, /* sockfd, addr, addrlen */
3297 [SOCKOP_connect
] = 3, /* sockfd, addr, addrlen */
3298 [SOCKOP_listen
] = 2, /* sockfd, backlog */
3299 [SOCKOP_accept
] = 3, /* sockfd, addr, addrlen */
3300 [SOCKOP_accept4
] = 4, /* sockfd, addr, addrlen, flags */
3301 [SOCKOP_getsockname
] = 3, /* sockfd, addr, addrlen */
3302 [SOCKOP_getpeername
] = 3, /* sockfd, addr, addrlen */
3303 [SOCKOP_socketpair
] = 4, /* domain, type, protocol, tab */
3304 [SOCKOP_send
] = 4, /* sockfd, msg, len, flags */
3305 [SOCKOP_recv
] = 4, /* sockfd, msg, len, flags */
3306 [SOCKOP_sendto
] = 6, /* sockfd, msg, len, flags, addr, addrlen */
3307 [SOCKOP_recvfrom
] = 6, /* sockfd, msg, len, flags, addr, addrlen */
3308 [SOCKOP_shutdown
] = 2, /* sockfd, how */
3309 [SOCKOP_sendmsg
] = 3, /* sockfd, msg, flags */
3310 [SOCKOP_recvmsg
] = 3, /* sockfd, msg, flags */
3311 [SOCKOP_sendmmsg
] = 4, /* sockfd, msgvec, vlen, flags */
3312 [SOCKOP_recvmmsg
] = 4, /* sockfd, msgvec, vlen, flags */
3313 [SOCKOP_setsockopt
] = 5, /* sockfd, level, optname, optval, optlen */
3314 [SOCKOP_getsockopt
] = 5, /* sockfd, level, optname, optval, optlen */
3316 abi_long a
[6]; /* max 6 args */
3318 /* first, collect the arguments in a[] according to ac[] */
3319 if (num
>= 0 && num
< ARRAY_SIZE(ac
)) {
3321 assert(ARRAY_SIZE(a
) >= ac
[num
]); /* ensure we have space for args */
3322 for (i
= 0; i
< ac
[num
]; ++i
) {
3323 if (get_user_ual(a
[i
], vptr
+ i
* sizeof(abi_long
)) != 0) {
3324 return -TARGET_EFAULT
;
3329 /* now when we have the args, actually handle the call */
3331 case SOCKOP_socket
: /* domain, type, protocol */
3332 return do_socket(a
[0], a
[1], a
[2]);
3333 case SOCKOP_bind
: /* sockfd, addr, addrlen */
3334 return do_bind(a
[0], a
[1], a
[2]);
3335 case SOCKOP_connect
: /* sockfd, addr, addrlen */
3336 return do_connect(a
[0], a
[1], a
[2]);
3337 case SOCKOP_listen
: /* sockfd, backlog */
3338 return get_errno(listen(a
[0], a
[1]));
3339 case SOCKOP_accept
: /* sockfd, addr, addrlen */
3340 return do_accept4(a
[0], a
[1], a
[2], 0);
3341 case SOCKOP_accept4
: /* sockfd, addr, addrlen, flags */
3342 return do_accept4(a
[0], a
[1], a
[2], a
[3]);
3343 case SOCKOP_getsockname
: /* sockfd, addr, addrlen */
3344 return do_getsockname(a
[0], a
[1], a
[2]);
3345 case SOCKOP_getpeername
: /* sockfd, addr, addrlen */
3346 return do_getpeername(a
[0], a
[1], a
[2]);
3347 case SOCKOP_socketpair
: /* domain, type, protocol, tab */
3348 return do_socketpair(a
[0], a
[1], a
[2], a
[3]);
3349 case SOCKOP_send
: /* sockfd, msg, len, flags */
3350 return do_sendto(a
[0], a
[1], a
[2], a
[3], 0, 0);
3351 case SOCKOP_recv
: /* sockfd, msg, len, flags */
3352 return do_recvfrom(a
[0], a
[1], a
[2], a
[3], 0, 0);
3353 case SOCKOP_sendto
: /* sockfd, msg, len, flags, addr, addrlen */
3354 return do_sendto(a
[0], a
[1], a
[2], a
[3], a
[4], a
[5]);
3355 case SOCKOP_recvfrom
: /* sockfd, msg, len, flags, addr, addrlen */
3356 return do_recvfrom(a
[0], a
[1], a
[2], a
[3], a
[4], a
[5]);
3357 case SOCKOP_shutdown
: /* sockfd, how */
3358 return get_errno(shutdown(a
[0], a
[1]));
3359 case SOCKOP_sendmsg
: /* sockfd, msg, flags */
3360 return do_sendrecvmsg(a
[0], a
[1], a
[2], 1);
3361 case SOCKOP_recvmsg
: /* sockfd, msg, flags */
3362 return do_sendrecvmsg(a
[0], a
[1], a
[2], 0);
3363 case SOCKOP_sendmmsg
: /* sockfd, msgvec, vlen, flags */
3364 return do_sendrecvmmsg(a
[0], a
[1], a
[2], a
[3], 1);
3365 case SOCKOP_recvmmsg
: /* sockfd, msgvec, vlen, flags */
3366 return do_sendrecvmmsg(a
[0], a
[1], a
[2], a
[3], 0);
3367 case SOCKOP_setsockopt
: /* sockfd, level, optname, optval, optlen */
3368 return do_setsockopt(a
[0], a
[1], a
[2], a
[3], a
[4]);
3369 case SOCKOP_getsockopt
: /* sockfd, level, optname, optval, optlen */
3370 return do_getsockopt(a
[0], a
[1], a
[2], a
[3], a
[4]);
3372 gemu_log("Unsupported socketcall: %d\n", num
);
3373 return -TARGET_ENOSYS
;
3378 #define N_SHM_REGIONS 32
3380 static struct shm_region
{
3384 } shm_regions
[N_SHM_REGIONS
];
3386 struct target_semid_ds
3388 struct target_ipc_perm sem_perm
;
3389 abi_ulong sem_otime
;
3390 #if !defined(TARGET_PPC64)
3391 abi_ulong __unused1
;
3393 abi_ulong sem_ctime
;
3394 #if !defined(TARGET_PPC64)
3395 abi_ulong __unused2
;
3397 abi_ulong sem_nsems
;
3398 abi_ulong __unused3
;
3399 abi_ulong __unused4
;
3402 static inline abi_long
target_to_host_ipc_perm(struct ipc_perm
*host_ip
,
3403 abi_ulong target_addr
)
3405 struct target_ipc_perm
*target_ip
;
3406 struct target_semid_ds
*target_sd
;
3408 if (!lock_user_struct(VERIFY_READ
, target_sd
, target_addr
, 1))
3409 return -TARGET_EFAULT
;
3410 target_ip
= &(target_sd
->sem_perm
);
3411 host_ip
->__key
= tswap32(target_ip
->__key
);
3412 host_ip
->uid
= tswap32(target_ip
->uid
);
3413 host_ip
->gid
= tswap32(target_ip
->gid
);
3414 host_ip
->cuid
= tswap32(target_ip
->cuid
);
3415 host_ip
->cgid
= tswap32(target_ip
->cgid
);
3416 #if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC)
3417 host_ip
->mode
= tswap32(target_ip
->mode
);
3419 host_ip
->mode
= tswap16(target_ip
->mode
);
3421 #if defined(TARGET_PPC)
3422 host_ip
->__seq
= tswap32(target_ip
->__seq
);
3424 host_ip
->__seq
= tswap16(target_ip
->__seq
);
3426 unlock_user_struct(target_sd
, target_addr
, 0);
3430 static inline abi_long
host_to_target_ipc_perm(abi_ulong target_addr
,
3431 struct ipc_perm
*host_ip
)
3433 struct target_ipc_perm
*target_ip
;
3434 struct target_semid_ds
*target_sd
;
3436 if (!lock_user_struct(VERIFY_WRITE
, target_sd
, target_addr
, 0))
3437 return -TARGET_EFAULT
;
3438 target_ip
= &(target_sd
->sem_perm
);
3439 target_ip
->__key
= tswap32(host_ip
->__key
);
3440 target_ip
->uid
= tswap32(host_ip
->uid
);
3441 target_ip
->gid
= tswap32(host_ip
->gid
);
3442 target_ip
->cuid
= tswap32(host_ip
->cuid
);
3443 target_ip
->cgid
= tswap32(host_ip
->cgid
);
3444 #if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC)
3445 target_ip
->mode
= tswap32(host_ip
->mode
);
3447 target_ip
->mode
= tswap16(host_ip
->mode
);
3449 #if defined(TARGET_PPC)
3450 target_ip
->__seq
= tswap32(host_ip
->__seq
);
3452 target_ip
->__seq
= tswap16(host_ip
->__seq
);
3454 unlock_user_struct(target_sd
, target_addr
, 1);
3458 static inline abi_long
target_to_host_semid_ds(struct semid_ds
*host_sd
,
3459 abi_ulong target_addr
)
3461 struct target_semid_ds
*target_sd
;
3463 if (!lock_user_struct(VERIFY_READ
, target_sd
, target_addr
, 1))
3464 return -TARGET_EFAULT
;
3465 if (target_to_host_ipc_perm(&(host_sd
->sem_perm
),target_addr
))
3466 return -TARGET_EFAULT
;
3467 host_sd
->sem_nsems
= tswapal(target_sd
->sem_nsems
);
3468 host_sd
->sem_otime
= tswapal(target_sd
->sem_otime
);
3469 host_sd
->sem_ctime
= tswapal(target_sd
->sem_ctime
);
3470 unlock_user_struct(target_sd
, target_addr
, 0);
3474 static inline abi_long
host_to_target_semid_ds(abi_ulong target_addr
,
3475 struct semid_ds
*host_sd
)
3477 struct target_semid_ds
*target_sd
;
3479 if (!lock_user_struct(VERIFY_WRITE
, target_sd
, target_addr
, 0))
3480 return -TARGET_EFAULT
;
3481 if (host_to_target_ipc_perm(target_addr
,&(host_sd
->sem_perm
)))
3482 return -TARGET_EFAULT
;
3483 target_sd
->sem_nsems
= tswapal(host_sd
->sem_nsems
);
3484 target_sd
->sem_otime
= tswapal(host_sd
->sem_otime
);
3485 target_sd
->sem_ctime
= tswapal(host_sd
->sem_ctime
);
3486 unlock_user_struct(target_sd
, target_addr
, 1);
3490 struct target_seminfo
{
3503 static inline abi_long
host_to_target_seminfo(abi_ulong target_addr
,
3504 struct seminfo
*host_seminfo
)
3506 struct target_seminfo
*target_seminfo
;
3507 if (!lock_user_struct(VERIFY_WRITE
, target_seminfo
, target_addr
, 0))
3508 return -TARGET_EFAULT
;
3509 __put_user(host_seminfo
->semmap
, &target_seminfo
->semmap
);
3510 __put_user(host_seminfo
->semmni
, &target_seminfo
->semmni
);
3511 __put_user(host_seminfo
->semmns
, &target_seminfo
->semmns
);
3512 __put_user(host_seminfo
->semmnu
, &target_seminfo
->semmnu
);
3513 __put_user(host_seminfo
->semmsl
, &target_seminfo
->semmsl
);
3514 __put_user(host_seminfo
->semopm
, &target_seminfo
->semopm
);
3515 __put_user(host_seminfo
->semume
, &target_seminfo
->semume
);
3516 __put_user(host_seminfo
->semusz
, &target_seminfo
->semusz
);
3517 __put_user(host_seminfo
->semvmx
, &target_seminfo
->semvmx
);
3518 __put_user(host_seminfo
->semaem
, &target_seminfo
->semaem
);
3519 unlock_user_struct(target_seminfo
, target_addr
, 1);
3525 struct semid_ds
*buf
;
3526 unsigned short *array
;
3527 struct seminfo
*__buf
;
3530 union target_semun
{
3537 static inline abi_long
target_to_host_semarray(int semid
, unsigned short **host_array
,
3538 abi_ulong target_addr
)
3541 unsigned short *array
;
3543 struct semid_ds semid_ds
;
3546 semun
.buf
= &semid_ds
;
3548 ret
= semctl(semid
, 0, IPC_STAT
, semun
);
3550 return get_errno(ret
);
3552 nsems
= semid_ds
.sem_nsems
;
3554 *host_array
= g_try_new(unsigned short, nsems
);
3556 return -TARGET_ENOMEM
;
3558 array
= lock_user(VERIFY_READ
, target_addr
,
3559 nsems
*sizeof(unsigned short), 1);
3561 g_free(*host_array
);
3562 return -TARGET_EFAULT
;
3565 for(i
=0; i
<nsems
; i
++) {
3566 __get_user((*host_array
)[i
], &array
[i
]);
3568 unlock_user(array
, target_addr
, 0);
3573 static inline abi_long
host_to_target_semarray(int semid
, abi_ulong target_addr
,
3574 unsigned short **host_array
)
3577 unsigned short *array
;
3579 struct semid_ds semid_ds
;
3582 semun
.buf
= &semid_ds
;
3584 ret
= semctl(semid
, 0, IPC_STAT
, semun
);
3586 return get_errno(ret
);
3588 nsems
= semid_ds
.sem_nsems
;
3590 array
= lock_user(VERIFY_WRITE
, target_addr
,
3591 nsems
*sizeof(unsigned short), 0);
3593 return -TARGET_EFAULT
;
3595 for(i
=0; i
<nsems
; i
++) {
3596 __put_user((*host_array
)[i
], &array
[i
]);
3598 g_free(*host_array
);
3599 unlock_user(array
, target_addr
, 1);
3604 static inline abi_long
do_semctl(int semid
, int semnum
, int cmd
,
3605 abi_ulong target_arg
)
3607 union target_semun target_su
= { .buf
= target_arg
};
3609 struct semid_ds dsarg
;
3610 unsigned short *array
= NULL
;
3611 struct seminfo seminfo
;
3612 abi_long ret
= -TARGET_EINVAL
;
3619 /* In 64 bit cross-endian situations, we will erroneously pick up
3620 * the wrong half of the union for the "val" element. To rectify
3621 * this, the entire 8-byte structure is byteswapped, followed by
3622 * a swap of the 4 byte val field. In other cases, the data is
3623 * already in proper host byte order. */
3624 if (sizeof(target_su
.val
) != (sizeof(target_su
.buf
))) {
3625 target_su
.buf
= tswapal(target_su
.buf
);
3626 arg
.val
= tswap32(target_su
.val
);
3628 arg
.val
= target_su
.val
;
3630 ret
= get_errno(semctl(semid
, semnum
, cmd
, arg
));
3634 err
= target_to_host_semarray(semid
, &array
, target_su
.array
);
3638 ret
= get_errno(semctl(semid
, semnum
, cmd
, arg
));
3639 err
= host_to_target_semarray(semid
, target_su
.array
, &array
);
3646 err
= target_to_host_semid_ds(&dsarg
, target_su
.buf
);
3650 ret
= get_errno(semctl(semid
, semnum
, cmd
, arg
));
3651 err
= host_to_target_semid_ds(target_su
.buf
, &dsarg
);
3657 arg
.__buf
= &seminfo
;
3658 ret
= get_errno(semctl(semid
, semnum
, cmd
, arg
));
3659 err
= host_to_target_seminfo(target_su
.__buf
, &seminfo
);
3667 ret
= get_errno(semctl(semid
, semnum
, cmd
, NULL
));
3674 struct target_sembuf
{
3675 unsigned short sem_num
;
3680 static inline abi_long
target_to_host_sembuf(struct sembuf
*host_sembuf
,
3681 abi_ulong target_addr
,
3684 struct target_sembuf
*target_sembuf
;
3687 target_sembuf
= lock_user(VERIFY_READ
, target_addr
,
3688 nsops
*sizeof(struct target_sembuf
), 1);
3690 return -TARGET_EFAULT
;
3692 for(i
=0; i
<nsops
; i
++) {
3693 __get_user(host_sembuf
[i
].sem_num
, &target_sembuf
[i
].sem_num
);
3694 __get_user(host_sembuf
[i
].sem_op
, &target_sembuf
[i
].sem_op
);
3695 __get_user(host_sembuf
[i
].sem_flg
, &target_sembuf
[i
].sem_flg
);
3698 unlock_user(target_sembuf
, target_addr
, 0);
3703 static inline abi_long
do_semop(int semid
, abi_long ptr
, unsigned nsops
)
3705 struct sembuf sops
[nsops
];
3707 if (target_to_host_sembuf(sops
, ptr
, nsops
))
3708 return -TARGET_EFAULT
;
3710 return get_errno(safe_semtimedop(semid
, sops
, nsops
, NULL
));
3713 struct target_msqid_ds
3715 struct target_ipc_perm msg_perm
;
3716 abi_ulong msg_stime
;
3717 #if TARGET_ABI_BITS == 32
3718 abi_ulong __unused1
;
3720 abi_ulong msg_rtime
;
3721 #if TARGET_ABI_BITS == 32
3722 abi_ulong __unused2
;
3724 abi_ulong msg_ctime
;
3725 #if TARGET_ABI_BITS == 32
3726 abi_ulong __unused3
;
3728 abi_ulong __msg_cbytes
;
3730 abi_ulong msg_qbytes
;
3731 abi_ulong msg_lspid
;
3732 abi_ulong msg_lrpid
;
3733 abi_ulong __unused4
;
3734 abi_ulong __unused5
;
3737 static inline abi_long
target_to_host_msqid_ds(struct msqid_ds
*host_md
,
3738 abi_ulong target_addr
)
3740 struct target_msqid_ds
*target_md
;
3742 if (!lock_user_struct(VERIFY_READ
, target_md
, target_addr
, 1))
3743 return -TARGET_EFAULT
;
3744 if (target_to_host_ipc_perm(&(host_md
->msg_perm
),target_addr
))
3745 return -TARGET_EFAULT
;
3746 host_md
->msg_stime
= tswapal(target_md
->msg_stime
);
3747 host_md
->msg_rtime
= tswapal(target_md
->msg_rtime
);
3748 host_md
->msg_ctime
= tswapal(target_md
->msg_ctime
);
3749 host_md
->__msg_cbytes
= tswapal(target_md
->__msg_cbytes
);
3750 host_md
->msg_qnum
= tswapal(target_md
->msg_qnum
);
3751 host_md
->msg_qbytes
= tswapal(target_md
->msg_qbytes
);
3752 host_md
->msg_lspid
= tswapal(target_md
->msg_lspid
);
3753 host_md
->msg_lrpid
= tswapal(target_md
->msg_lrpid
);
3754 unlock_user_struct(target_md
, target_addr
, 0);
3758 static inline abi_long
host_to_target_msqid_ds(abi_ulong target_addr
,
3759 struct msqid_ds
*host_md
)
3761 struct target_msqid_ds
*target_md
;
3763 if (!lock_user_struct(VERIFY_WRITE
, target_md
, target_addr
, 0))
3764 return -TARGET_EFAULT
;
3765 if (host_to_target_ipc_perm(target_addr
,&(host_md
->msg_perm
)))
3766 return -TARGET_EFAULT
;
3767 target_md
->msg_stime
= tswapal(host_md
->msg_stime
);
3768 target_md
->msg_rtime
= tswapal(host_md
->msg_rtime
);
3769 target_md
->msg_ctime
= tswapal(host_md
->msg_ctime
);
3770 target_md
->__msg_cbytes
= tswapal(host_md
->__msg_cbytes
);
3771 target_md
->msg_qnum
= tswapal(host_md
->msg_qnum
);
3772 target_md
->msg_qbytes
= tswapal(host_md
->msg_qbytes
);
3773 target_md
->msg_lspid
= tswapal(host_md
->msg_lspid
);
3774 target_md
->msg_lrpid
= tswapal(host_md
->msg_lrpid
);
3775 unlock_user_struct(target_md
, target_addr
, 1);
3779 struct target_msginfo
{
3787 unsigned short int msgseg
;
3790 static inline abi_long
host_to_target_msginfo(abi_ulong target_addr
,
3791 struct msginfo
*host_msginfo
)
3793 struct target_msginfo
*target_msginfo
;
3794 if (!lock_user_struct(VERIFY_WRITE
, target_msginfo
, target_addr
, 0))
3795 return -TARGET_EFAULT
;
3796 __put_user(host_msginfo
->msgpool
, &target_msginfo
->msgpool
);
3797 __put_user(host_msginfo
->msgmap
, &target_msginfo
->msgmap
);
3798 __put_user(host_msginfo
->msgmax
, &target_msginfo
->msgmax
);
3799 __put_user(host_msginfo
->msgmnb
, &target_msginfo
->msgmnb
);
3800 __put_user(host_msginfo
->msgmni
, &target_msginfo
->msgmni
);
3801 __put_user(host_msginfo
->msgssz
, &target_msginfo
->msgssz
);
3802 __put_user(host_msginfo
->msgtql
, &target_msginfo
->msgtql
);
3803 __put_user(host_msginfo
->msgseg
, &target_msginfo
->msgseg
);
3804 unlock_user_struct(target_msginfo
, target_addr
, 1);
3808 static inline abi_long
do_msgctl(int msgid
, int cmd
, abi_long ptr
)
3810 struct msqid_ds dsarg
;
3811 struct msginfo msginfo
;
3812 abi_long ret
= -TARGET_EINVAL
;
3820 if (target_to_host_msqid_ds(&dsarg
,ptr
))
3821 return -TARGET_EFAULT
;
3822 ret
= get_errno(msgctl(msgid
, cmd
, &dsarg
));
3823 if (host_to_target_msqid_ds(ptr
,&dsarg
))
3824 return -TARGET_EFAULT
;
3827 ret
= get_errno(msgctl(msgid
, cmd
, NULL
));
3831 ret
= get_errno(msgctl(msgid
, cmd
, (struct msqid_ds
*)&msginfo
));
3832 if (host_to_target_msginfo(ptr
, &msginfo
))
3833 return -TARGET_EFAULT
;
3840 struct target_msgbuf
{
3845 static inline abi_long
do_msgsnd(int msqid
, abi_long msgp
,
3846 ssize_t msgsz
, int msgflg
)
3848 struct target_msgbuf
*target_mb
;
3849 struct msgbuf
*host_mb
;
3853 return -TARGET_EINVAL
;
3856 if (!lock_user_struct(VERIFY_READ
, target_mb
, msgp
, 0))
3857 return -TARGET_EFAULT
;
3858 host_mb
= g_try_malloc(msgsz
+ sizeof(long));
3860 unlock_user_struct(target_mb
, msgp
, 0);
3861 return -TARGET_ENOMEM
;
3863 host_mb
->mtype
= (abi_long
) tswapal(target_mb
->mtype
);
3864 memcpy(host_mb
->mtext
, target_mb
->mtext
, msgsz
);
3865 ret
= get_errno(safe_msgsnd(msqid
, host_mb
, msgsz
, msgflg
));
3867 unlock_user_struct(target_mb
, msgp
, 0);
3872 static inline abi_long
do_msgrcv(int msqid
, abi_long msgp
,
3873 ssize_t msgsz
, abi_long msgtyp
,
3876 struct target_msgbuf
*target_mb
;
3878 struct msgbuf
*host_mb
;
3882 return -TARGET_EINVAL
;
3885 if (!lock_user_struct(VERIFY_WRITE
, target_mb
, msgp
, 0))
3886 return -TARGET_EFAULT
;
3888 host_mb
= g_try_malloc(msgsz
+ sizeof(long));
3890 ret
= -TARGET_ENOMEM
;
3893 ret
= get_errno(safe_msgrcv(msqid
, host_mb
, msgsz
, msgtyp
, msgflg
));
3896 abi_ulong target_mtext_addr
= msgp
+ sizeof(abi_ulong
);
3897 target_mtext
= lock_user(VERIFY_WRITE
, target_mtext_addr
, ret
, 0);
3898 if (!target_mtext
) {
3899 ret
= -TARGET_EFAULT
;
3902 memcpy(target_mb
->mtext
, host_mb
->mtext
, ret
);
3903 unlock_user(target_mtext
, target_mtext_addr
, ret
);
3906 target_mb
->mtype
= tswapal(host_mb
->mtype
);
3910 unlock_user_struct(target_mb
, msgp
, 1);
3915 static inline abi_long
target_to_host_shmid_ds(struct shmid_ds
*host_sd
,
3916 abi_ulong target_addr
)
3918 struct target_shmid_ds
*target_sd
;
3920 if (!lock_user_struct(VERIFY_READ
, target_sd
, target_addr
, 1))
3921 return -TARGET_EFAULT
;
3922 if (target_to_host_ipc_perm(&(host_sd
->shm_perm
), target_addr
))
3923 return -TARGET_EFAULT
;
3924 __get_user(host_sd
->shm_segsz
, &target_sd
->shm_segsz
);
3925 __get_user(host_sd
->shm_atime
, &target_sd
->shm_atime
);
3926 __get_user(host_sd
->shm_dtime
, &target_sd
->shm_dtime
);
3927 __get_user(host_sd
->shm_ctime
, &target_sd
->shm_ctime
);
3928 __get_user(host_sd
->shm_cpid
, &target_sd
->shm_cpid
);
3929 __get_user(host_sd
->shm_lpid
, &target_sd
->shm_lpid
);
3930 __get_user(host_sd
->shm_nattch
, &target_sd
->shm_nattch
);
3931 unlock_user_struct(target_sd
, target_addr
, 0);
3935 static inline abi_long
host_to_target_shmid_ds(abi_ulong target_addr
,
3936 struct shmid_ds
*host_sd
)
3938 struct target_shmid_ds
*target_sd
;
3940 if (!lock_user_struct(VERIFY_WRITE
, target_sd
, target_addr
, 0))
3941 return -TARGET_EFAULT
;
3942 if (host_to_target_ipc_perm(target_addr
, &(host_sd
->shm_perm
)))
3943 return -TARGET_EFAULT
;
3944 __put_user(host_sd
->shm_segsz
, &target_sd
->shm_segsz
);
3945 __put_user(host_sd
->shm_atime
, &target_sd
->shm_atime
);
3946 __put_user(host_sd
->shm_dtime
, &target_sd
->shm_dtime
);
3947 __put_user(host_sd
->shm_ctime
, &target_sd
->shm_ctime
);
3948 __put_user(host_sd
->shm_cpid
, &target_sd
->shm_cpid
);
3949 __put_user(host_sd
->shm_lpid
, &target_sd
->shm_lpid
);
3950 __put_user(host_sd
->shm_nattch
, &target_sd
->shm_nattch
);
3951 unlock_user_struct(target_sd
, target_addr
, 1);
3955 struct target_shminfo
{
3963 static inline abi_long
host_to_target_shminfo(abi_ulong target_addr
,
3964 struct shminfo
*host_shminfo
)
3966 struct target_shminfo
*target_shminfo
;
3967 if (!lock_user_struct(VERIFY_WRITE
, target_shminfo
, target_addr
, 0))
3968 return -TARGET_EFAULT
;
3969 __put_user(host_shminfo
->shmmax
, &target_shminfo
->shmmax
);
3970 __put_user(host_shminfo
->shmmin
, &target_shminfo
->shmmin
);
3971 __put_user(host_shminfo
->shmmni
, &target_shminfo
->shmmni
);
3972 __put_user(host_shminfo
->shmseg
, &target_shminfo
->shmseg
);
3973 __put_user(host_shminfo
->shmall
, &target_shminfo
->shmall
);
3974 unlock_user_struct(target_shminfo
, target_addr
, 1);
3978 struct target_shm_info
{
3983 abi_ulong swap_attempts
;
3984 abi_ulong swap_successes
;
3987 static inline abi_long
host_to_target_shm_info(abi_ulong target_addr
,
3988 struct shm_info
*host_shm_info
)
3990 struct target_shm_info
*target_shm_info
;
3991 if (!lock_user_struct(VERIFY_WRITE
, target_shm_info
, target_addr
, 0))
3992 return -TARGET_EFAULT
;
3993 __put_user(host_shm_info
->used_ids
, &target_shm_info
->used_ids
);
3994 __put_user(host_shm_info
->shm_tot
, &target_shm_info
->shm_tot
);
3995 __put_user(host_shm_info
->shm_rss
, &target_shm_info
->shm_rss
);
3996 __put_user(host_shm_info
->shm_swp
, &target_shm_info
->shm_swp
);
3997 __put_user(host_shm_info
->swap_attempts
, &target_shm_info
->swap_attempts
);
3998 __put_user(host_shm_info
->swap_successes
, &target_shm_info
->swap_successes
);
3999 unlock_user_struct(target_shm_info
, target_addr
, 1);
4003 static inline abi_long
do_shmctl(int shmid
, int cmd
, abi_long buf
)
4005 struct shmid_ds dsarg
;
4006 struct shminfo shminfo
;
4007 struct shm_info shm_info
;
4008 abi_long ret
= -TARGET_EINVAL
;
4016 if (target_to_host_shmid_ds(&dsarg
, buf
))
4017 return -TARGET_EFAULT
;
4018 ret
= get_errno(shmctl(shmid
, cmd
, &dsarg
));
4019 if (host_to_target_shmid_ds(buf
, &dsarg
))
4020 return -TARGET_EFAULT
;
4023 ret
= get_errno(shmctl(shmid
, cmd
, (struct shmid_ds
*)&shminfo
));
4024 if (host_to_target_shminfo(buf
, &shminfo
))
4025 return -TARGET_EFAULT
;
4028 ret
= get_errno(shmctl(shmid
, cmd
, (struct shmid_ds
*)&shm_info
));
4029 if (host_to_target_shm_info(buf
, &shm_info
))
4030 return -TARGET_EFAULT
;
4035 ret
= get_errno(shmctl(shmid
, cmd
, NULL
));
4042 static inline abi_ulong
do_shmat(int shmid
, abi_ulong shmaddr
, int shmflg
)
4046 struct shmid_ds shm_info
;
4049 /* find out the length of the shared memory segment */
4050 ret
= get_errno(shmctl(shmid
, IPC_STAT
, &shm_info
));
4051 if (is_error(ret
)) {
4052 /* can't get length, bail out */
4059 host_raddr
= shmat(shmid
, (void *)g2h(shmaddr
), shmflg
);
4061 abi_ulong mmap_start
;
4063 mmap_start
= mmap_find_vma(0, shm_info
.shm_segsz
);
4065 if (mmap_start
== -1) {
4067 host_raddr
= (void *)-1;
4069 host_raddr
= shmat(shmid
, g2h(mmap_start
), shmflg
| SHM_REMAP
);
4072 if (host_raddr
== (void *)-1) {
4074 return get_errno((long)host_raddr
);
4076 raddr
=h2g((unsigned long)host_raddr
);
4078 page_set_flags(raddr
, raddr
+ shm_info
.shm_segsz
,
4079 PAGE_VALID
| PAGE_READ
|
4080 ((shmflg
& SHM_RDONLY
)? 0 : PAGE_WRITE
));
4082 for (i
= 0; i
< N_SHM_REGIONS
; i
++) {
4083 if (!shm_regions
[i
].in_use
) {
4084 shm_regions
[i
].in_use
= true;
4085 shm_regions
[i
].start
= raddr
;
4086 shm_regions
[i
].size
= shm_info
.shm_segsz
;
4096 static inline abi_long
do_shmdt(abi_ulong shmaddr
)
4100 for (i
= 0; i
< N_SHM_REGIONS
; ++i
) {
4101 if (shm_regions
[i
].in_use
&& shm_regions
[i
].start
== shmaddr
) {
4102 shm_regions
[i
].in_use
= false;
4103 page_set_flags(shmaddr
, shmaddr
+ shm_regions
[i
].size
, 0);
4108 return get_errno(shmdt(g2h(shmaddr
)));
4111 #ifdef TARGET_NR_ipc
4112 /* ??? This only works with linear mappings. */
4113 /* do_ipc() must return target values and target errnos. */
4114 static abi_long
do_ipc(unsigned int call
, abi_long first
,
4115 abi_long second
, abi_long third
,
4116 abi_long ptr
, abi_long fifth
)
4121 version
= call
>> 16;
4126 ret
= do_semop(first
, ptr
, second
);
4130 ret
= get_errno(semget(first
, second
, third
));
4133 case IPCOP_semctl
: {
4134 /* The semun argument to semctl is passed by value, so dereference the
4137 get_user_ual(atptr
, ptr
);
4138 ret
= do_semctl(first
, second
, third
, atptr
);
4143 ret
= get_errno(msgget(first
, second
));
4147 ret
= do_msgsnd(first
, ptr
, second
, third
);
4151 ret
= do_msgctl(first
, second
, ptr
);
4158 struct target_ipc_kludge
{
4163 if (!lock_user_struct(VERIFY_READ
, tmp
, ptr
, 1)) {
4164 ret
= -TARGET_EFAULT
;
4168 ret
= do_msgrcv(first
, tswapal(tmp
->msgp
), second
, tswapal(tmp
->msgtyp
), third
);
4170 unlock_user_struct(tmp
, ptr
, 0);
4174 ret
= do_msgrcv(first
, ptr
, second
, fifth
, third
);
4183 raddr
= do_shmat(first
, ptr
, second
);
4184 if (is_error(raddr
))
4185 return get_errno(raddr
);
4186 if (put_user_ual(raddr
, third
))
4187 return -TARGET_EFAULT
;
4191 ret
= -TARGET_EINVAL
;
4196 ret
= do_shmdt(ptr
);
4200 /* IPC_* flag values are the same on all linux platforms */
4201 ret
= get_errno(shmget(first
, second
, third
));
4204 /* IPC_* and SHM_* command values are the same on all linux platforms */
4206 ret
= do_shmctl(first
, second
, ptr
);
4209 gemu_log("Unsupported ipc call: %d (version %d)\n", call
, version
);
4210 ret
= -TARGET_ENOSYS
;
4217 /* kernel structure types definitions */
4219 #define STRUCT(name, ...) STRUCT_ ## name,
4220 #define STRUCT_SPECIAL(name) STRUCT_ ## name,
4222 #include "syscall_types.h"
4226 #undef STRUCT_SPECIAL
4228 #define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL };
4229 #define STRUCT_SPECIAL(name)
4230 #include "syscall_types.h"
4232 #undef STRUCT_SPECIAL
4234 typedef struct IOCTLEntry IOCTLEntry
;
4236 typedef abi_long
do_ioctl_fn(const IOCTLEntry
*ie
, uint8_t *buf_temp
,
4237 int fd
, int cmd
, abi_long arg
);
4241 unsigned int host_cmd
;
4244 do_ioctl_fn
*do_ioctl
;
4245 const argtype arg_type
[5];
4248 #define IOC_R 0x0001
4249 #define IOC_W 0x0002
4250 #define IOC_RW (IOC_R | IOC_W)
4252 #define MAX_STRUCT_SIZE 4096
4254 #ifdef CONFIG_FIEMAP
4255 /* So fiemap access checks don't overflow on 32 bit systems.
4256 * This is very slightly smaller than the limit imposed by
4257 * the underlying kernel.
4259 #define FIEMAP_MAX_EXTENTS ((UINT_MAX - sizeof(struct fiemap)) \
4260 / sizeof(struct fiemap_extent))
4262 static abi_long
do_ioctl_fs_ioc_fiemap(const IOCTLEntry
*ie
, uint8_t *buf_temp
,
4263 int fd
, int cmd
, abi_long arg
)
4265 /* The parameter for this ioctl is a struct fiemap followed
4266 * by an array of struct fiemap_extent whose size is set
4267 * in fiemap->fm_extent_count. The array is filled in by the
4270 int target_size_in
, target_size_out
;
4272 const argtype
*arg_type
= ie
->arg_type
;
4273 const argtype extent_arg_type
[] = { MK_STRUCT(STRUCT_fiemap_extent
) };
4276 int i
, extent_size
= thunk_type_size(extent_arg_type
, 0);
4280 assert(arg_type
[0] == TYPE_PTR
);
4281 assert(ie
->access
== IOC_RW
);
4283 target_size_in
= thunk_type_size(arg_type
, 0);
4284 argptr
= lock_user(VERIFY_READ
, arg
, target_size_in
, 1);
4286 return -TARGET_EFAULT
;
4288 thunk_convert(buf_temp
, argptr
, arg_type
, THUNK_HOST
);
4289 unlock_user(argptr
, arg
, 0);
4290 fm
= (struct fiemap
*)buf_temp
;
4291 if (fm
->fm_extent_count
> FIEMAP_MAX_EXTENTS
) {
4292 return -TARGET_EINVAL
;
4295 outbufsz
= sizeof (*fm
) +
4296 (sizeof(struct fiemap_extent
) * fm
->fm_extent_count
);
4298 if (outbufsz
> MAX_STRUCT_SIZE
) {
4299 /* We can't fit all the extents into the fixed size buffer.
4300 * Allocate one that is large enough and use it instead.
4302 fm
= g_try_malloc(outbufsz
);
4304 return -TARGET_ENOMEM
;
4306 memcpy(fm
, buf_temp
, sizeof(struct fiemap
));
4309 ret
= get_errno(safe_ioctl(fd
, ie
->host_cmd
, fm
));
4310 if (!is_error(ret
)) {
4311 target_size_out
= target_size_in
;
4312 /* An extent_count of 0 means we were only counting the extents
4313 * so there are no structs to copy
4315 if (fm
->fm_extent_count
!= 0) {
4316 target_size_out
+= fm
->fm_mapped_extents
* extent_size
;
4318 argptr
= lock_user(VERIFY_WRITE
, arg
, target_size_out
, 0);
4320 ret
= -TARGET_EFAULT
;
4322 /* Convert the struct fiemap */
4323 thunk_convert(argptr
, fm
, arg_type
, THUNK_TARGET
);
4324 if (fm
->fm_extent_count
!= 0) {
4325 p
= argptr
+ target_size_in
;
4326 /* ...and then all the struct fiemap_extents */
4327 for (i
= 0; i
< fm
->fm_mapped_extents
; i
++) {
4328 thunk_convert(p
, &fm
->fm_extents
[i
], extent_arg_type
,
4333 unlock_user(argptr
, arg
, target_size_out
);
4343 static abi_long
do_ioctl_ifconf(const IOCTLEntry
*ie
, uint8_t *buf_temp
,
4344 int fd
, int cmd
, abi_long arg
)
4346 const argtype
*arg_type
= ie
->arg_type
;
4350 struct ifconf
*host_ifconf
;
4352 const argtype ifreq_arg_type
[] = { MK_STRUCT(STRUCT_sockaddr_ifreq
) };
4353 int target_ifreq_size
;
4358 abi_long target_ifc_buf
;
4362 assert(arg_type
[0] == TYPE_PTR
);
4363 assert(ie
->access
== IOC_RW
);
4366 target_size
= thunk_type_size(arg_type
, 0);
4368 argptr
= lock_user(VERIFY_READ
, arg
, target_size
, 1);
4370 return -TARGET_EFAULT
;
4371 thunk_convert(buf_temp
, argptr
, arg_type
, THUNK_HOST
);
4372 unlock_user(argptr
, arg
, 0);
4374 host_ifconf
= (struct ifconf
*)(unsigned long)buf_temp
;
4375 target_ifc_len
= host_ifconf
->ifc_len
;
4376 target_ifc_buf
= (abi_long
)(unsigned long)host_ifconf
->ifc_buf
;
4378 target_ifreq_size
= thunk_type_size(ifreq_arg_type
, 0);
4379 nb_ifreq
= target_ifc_len
/ target_ifreq_size
;
4380 host_ifc_len
= nb_ifreq
* sizeof(struct ifreq
);
4382 outbufsz
= sizeof(*host_ifconf
) + host_ifc_len
;
4383 if (outbufsz
> MAX_STRUCT_SIZE
) {
4384 /* We can't fit all the extents into the fixed size buffer.
4385 * Allocate one that is large enough and use it instead.
4387 host_ifconf
= malloc(outbufsz
);
4389 return -TARGET_ENOMEM
;
4391 memcpy(host_ifconf
, buf_temp
, sizeof(*host_ifconf
));
4394 host_ifc_buf
= (char*)host_ifconf
+ sizeof(*host_ifconf
);
4396 host_ifconf
->ifc_len
= host_ifc_len
;
4397 host_ifconf
->ifc_buf
= host_ifc_buf
;
4399 ret
= get_errno(safe_ioctl(fd
, ie
->host_cmd
, host_ifconf
));
4400 if (!is_error(ret
)) {
4401 /* convert host ifc_len to target ifc_len */
4403 nb_ifreq
= host_ifconf
->ifc_len
/ sizeof(struct ifreq
);
4404 target_ifc_len
= nb_ifreq
* target_ifreq_size
;
4405 host_ifconf
->ifc_len
= target_ifc_len
;
4407 /* restore target ifc_buf */
4409 host_ifconf
->ifc_buf
= (char *)(unsigned long)target_ifc_buf
;
4411 /* copy struct ifconf to target user */
4413 argptr
= lock_user(VERIFY_WRITE
, arg
, target_size
, 0);
4415 return -TARGET_EFAULT
;
4416 thunk_convert(argptr
, host_ifconf
, arg_type
, THUNK_TARGET
);
4417 unlock_user(argptr
, arg
, target_size
);
4419 /* copy ifreq[] to target user */
4421 argptr
= lock_user(VERIFY_WRITE
, target_ifc_buf
, target_ifc_len
, 0);
4422 for (i
= 0; i
< nb_ifreq
; i
++) {
4423 thunk_convert(argptr
+ i
* target_ifreq_size
,
4424 host_ifc_buf
+ i
* sizeof(struct ifreq
),
4425 ifreq_arg_type
, THUNK_TARGET
);
4427 unlock_user(argptr
, target_ifc_buf
, target_ifc_len
);
4437 static abi_long
do_ioctl_dm(const IOCTLEntry
*ie
, uint8_t *buf_temp
, int fd
,
4438 int cmd
, abi_long arg
)
4441 struct dm_ioctl
*host_dm
;
4442 abi_long guest_data
;
4443 uint32_t guest_data_size
;
4445 const argtype
*arg_type
= ie
->arg_type
;
4447 void *big_buf
= NULL
;
4451 target_size
= thunk_type_size(arg_type
, 0);
4452 argptr
= lock_user(VERIFY_READ
, arg
, target_size
, 1);
4454 ret
= -TARGET_EFAULT
;
4457 thunk_convert(buf_temp
, argptr
, arg_type
, THUNK_HOST
);
4458 unlock_user(argptr
, arg
, 0);
4460 /* buf_temp is too small, so fetch things into a bigger buffer */
4461 big_buf
= g_malloc0(((struct dm_ioctl
*)buf_temp
)->data_size
* 2);
4462 memcpy(big_buf
, buf_temp
, target_size
);
4466 guest_data
= arg
+ host_dm
->data_start
;
4467 if ((guest_data
- arg
) < 0) {
4471 guest_data_size
= host_dm
->data_size
- host_dm
->data_start
;
4472 host_data
= (char*)host_dm
+ host_dm
->data_start
;
4474 argptr
= lock_user(VERIFY_READ
, guest_data
, guest_data_size
, 1);
4475 switch (ie
->host_cmd
) {
4477 case DM_LIST_DEVICES
:
4480 case DM_DEV_SUSPEND
:
4483 case DM_TABLE_STATUS
:
4484 case DM_TABLE_CLEAR
:
4486 case DM_LIST_VERSIONS
:
4490 case DM_DEV_SET_GEOMETRY
:
4491 /* data contains only strings */
4492 memcpy(host_data
, argptr
, guest_data_size
);
4495 memcpy(host_data
, argptr
, guest_data_size
);
4496 *(uint64_t*)host_data
= tswap64(*(uint64_t*)argptr
);
4500 void *gspec
= argptr
;
4501 void *cur_data
= host_data
;
4502 const argtype arg_type
[] = { MK_STRUCT(STRUCT_dm_target_spec
) };
4503 int spec_size
= thunk_type_size(arg_type
, 0);
4506 for (i
= 0; i
< host_dm
->target_count
; i
++) {
4507 struct dm_target_spec
*spec
= cur_data
;
4511 thunk_convert(spec
, gspec
, arg_type
, THUNK_HOST
);
4512 slen
= strlen((char*)gspec
+ spec_size
) + 1;
4514 spec
->next
= sizeof(*spec
) + slen
;
4515 strcpy((char*)&spec
[1], gspec
+ spec_size
);
4517 cur_data
+= spec
->next
;
4522 ret
= -TARGET_EINVAL
;
4523 unlock_user(argptr
, guest_data
, 0);
4526 unlock_user(argptr
, guest_data
, 0);
4528 ret
= get_errno(safe_ioctl(fd
, ie
->host_cmd
, buf_temp
));
4529 if (!is_error(ret
)) {
4530 guest_data
= arg
+ host_dm
->data_start
;
4531 guest_data_size
= host_dm
->data_size
- host_dm
->data_start
;
4532 argptr
= lock_user(VERIFY_WRITE
, guest_data
, guest_data_size
, 0);
4533 switch (ie
->host_cmd
) {
4538 case DM_DEV_SUSPEND
:
4541 case DM_TABLE_CLEAR
:
4543 case DM_DEV_SET_GEOMETRY
:
4544 /* no return data */
4546 case DM_LIST_DEVICES
:
4548 struct dm_name_list
*nl
= (void*)host_dm
+ host_dm
->data_start
;
4549 uint32_t remaining_data
= guest_data_size
;
4550 void *cur_data
= argptr
;
4551 const argtype arg_type
[] = { MK_STRUCT(STRUCT_dm_name_list
) };
4552 int nl_size
= 12; /* can't use thunk_size due to alignment */
4555 uint32_t next
= nl
->next
;
4557 nl
->next
= nl_size
+ (strlen(nl
->name
) + 1);
4559 if (remaining_data
< nl
->next
) {
4560 host_dm
->flags
|= DM_BUFFER_FULL_FLAG
;
4563 thunk_convert(cur_data
, nl
, arg_type
, THUNK_TARGET
);
4564 strcpy(cur_data
+ nl_size
, nl
->name
);
4565 cur_data
+= nl
->next
;
4566 remaining_data
-= nl
->next
;
4570 nl
= (void*)nl
+ next
;
4575 case DM_TABLE_STATUS
:
4577 struct dm_target_spec
*spec
= (void*)host_dm
+ host_dm
->data_start
;
4578 void *cur_data
= argptr
;
4579 const argtype arg_type
[] = { MK_STRUCT(STRUCT_dm_target_spec
) };
4580 int spec_size
= thunk_type_size(arg_type
, 0);
4583 for (i
= 0; i
< host_dm
->target_count
; i
++) {
4584 uint32_t next
= spec
->next
;
4585 int slen
= strlen((char*)&spec
[1]) + 1;
4586 spec
->next
= (cur_data
- argptr
) + spec_size
+ slen
;
4587 if (guest_data_size
< spec
->next
) {
4588 host_dm
->flags
|= DM_BUFFER_FULL_FLAG
;
4591 thunk_convert(cur_data
, spec
, arg_type
, THUNK_TARGET
);
4592 strcpy(cur_data
+ spec_size
, (char*)&spec
[1]);
4593 cur_data
= argptr
+ spec
->next
;
4594 spec
= (void*)host_dm
+ host_dm
->data_start
+ next
;
4600 void *hdata
= (void*)host_dm
+ host_dm
->data_start
;
4601 int count
= *(uint32_t*)hdata
;
4602 uint64_t *hdev
= hdata
+ 8;
4603 uint64_t *gdev
= argptr
+ 8;
4606 *(uint32_t*)argptr
= tswap32(count
);
4607 for (i
= 0; i
< count
; i
++) {
4608 *gdev
= tswap64(*hdev
);
4614 case DM_LIST_VERSIONS
:
4616 struct dm_target_versions
*vers
= (void*)host_dm
+ host_dm
->data_start
;
4617 uint32_t remaining_data
= guest_data_size
;
4618 void *cur_data
= argptr
;
4619 const argtype arg_type
[] = { MK_STRUCT(STRUCT_dm_target_versions
) };
4620 int vers_size
= thunk_type_size(arg_type
, 0);
4623 uint32_t next
= vers
->next
;
4625 vers
->next
= vers_size
+ (strlen(vers
->name
) + 1);
4627 if (remaining_data
< vers
->next
) {
4628 host_dm
->flags
|= DM_BUFFER_FULL_FLAG
;
4631 thunk_convert(cur_data
, vers
, arg_type
, THUNK_TARGET
);
4632 strcpy(cur_data
+ vers_size
, vers
->name
);
4633 cur_data
+= vers
->next
;
4634 remaining_data
-= vers
->next
;
4638 vers
= (void*)vers
+ next
;
4643 unlock_user(argptr
, guest_data
, 0);
4644 ret
= -TARGET_EINVAL
;
4647 unlock_user(argptr
, guest_data
, guest_data_size
);
4649 argptr
= lock_user(VERIFY_WRITE
, arg
, target_size
, 0);
4651 ret
= -TARGET_EFAULT
;
4654 thunk_convert(argptr
, buf_temp
, arg_type
, THUNK_TARGET
);
4655 unlock_user(argptr
, arg
, target_size
);
4662 static abi_long
do_ioctl_blkpg(const IOCTLEntry
*ie
, uint8_t *buf_temp
, int fd
,
4663 int cmd
, abi_long arg
)
4667 const argtype
*arg_type
= ie
->arg_type
;
4668 const argtype part_arg_type
[] = { MK_STRUCT(STRUCT_blkpg_partition
) };
4671 struct blkpg_ioctl_arg
*host_blkpg
= (void*)buf_temp
;
4672 struct blkpg_partition host_part
;
4674 /* Read and convert blkpg */
4676 target_size
= thunk_type_size(arg_type
, 0);
4677 argptr
= lock_user(VERIFY_READ
, arg
, target_size
, 1);
4679 ret
= -TARGET_EFAULT
;
4682 thunk_convert(buf_temp
, argptr
, arg_type
, THUNK_HOST
);
4683 unlock_user(argptr
, arg
, 0);
4685 switch (host_blkpg
->op
) {
4686 case BLKPG_ADD_PARTITION
:
4687 case BLKPG_DEL_PARTITION
:
4688 /* payload is struct blkpg_partition */
4691 /* Unknown opcode */
4692 ret
= -TARGET_EINVAL
;
4696 /* Read and convert blkpg->data */
4697 arg
= (abi_long
)(uintptr_t)host_blkpg
->data
;
4698 target_size
= thunk_type_size(part_arg_type
, 0);
4699 argptr
= lock_user(VERIFY_READ
, arg
, target_size
, 1);
4701 ret
= -TARGET_EFAULT
;
4704 thunk_convert(&host_part
, argptr
, part_arg_type
, THUNK_HOST
);
4705 unlock_user(argptr
, arg
, 0);
4707 /* Swizzle the data pointer to our local copy and call! */
4708 host_blkpg
->data
= &host_part
;
4709 ret
= get_errno(safe_ioctl(fd
, ie
->host_cmd
, host_blkpg
));
4715 static abi_long
do_ioctl_rt(const IOCTLEntry
*ie
, uint8_t *buf_temp
,
4716 int fd
, int cmd
, abi_long arg
)
4718 const argtype
*arg_type
= ie
->arg_type
;
4719 const StructEntry
*se
;
4720 const argtype
*field_types
;
4721 const int *dst_offsets
, *src_offsets
;
4724 abi_ulong
*target_rt_dev_ptr
;
4725 unsigned long *host_rt_dev_ptr
;
4729 assert(ie
->access
== IOC_W
);
4730 assert(*arg_type
== TYPE_PTR
);
4732 assert(*arg_type
== TYPE_STRUCT
);
4733 target_size
= thunk_type_size(arg_type
, 0);
4734 argptr
= lock_user(VERIFY_READ
, arg
, target_size
, 1);
4736 return -TARGET_EFAULT
;
4739 assert(*arg_type
== (int)STRUCT_rtentry
);
4740 se
= struct_entries
+ *arg_type
++;
4741 assert(se
->convert
[0] == NULL
);
4742 /* convert struct here to be able to catch rt_dev string */
4743 field_types
= se
->field_types
;
4744 dst_offsets
= se
->field_offsets
[THUNK_HOST
];
4745 src_offsets
= se
->field_offsets
[THUNK_TARGET
];
4746 for (i
= 0; i
< se
->nb_fields
; i
++) {
4747 if (dst_offsets
[i
] == offsetof(struct rtentry
, rt_dev
)) {
4748 assert(*field_types
== TYPE_PTRVOID
);
4749 target_rt_dev_ptr
= (abi_ulong
*)(argptr
+ src_offsets
[i
]);
4750 host_rt_dev_ptr
= (unsigned long *)(buf_temp
+ dst_offsets
[i
]);
4751 if (*target_rt_dev_ptr
!= 0) {
4752 *host_rt_dev_ptr
= (unsigned long)lock_user_string(
4753 tswapal(*target_rt_dev_ptr
));
4754 if (!*host_rt_dev_ptr
) {
4755 unlock_user(argptr
, arg
, 0);
4756 return -TARGET_EFAULT
;
4759 *host_rt_dev_ptr
= 0;
4764 field_types
= thunk_convert(buf_temp
+ dst_offsets
[i
],
4765 argptr
+ src_offsets
[i
],
4766 field_types
, THUNK_HOST
);
4768 unlock_user(argptr
, arg
, 0);
4770 ret
= get_errno(safe_ioctl(fd
, ie
->host_cmd
, buf_temp
));
4771 if (*host_rt_dev_ptr
!= 0) {
4772 unlock_user((void *)*host_rt_dev_ptr
,
4773 *target_rt_dev_ptr
, 0);
4778 static abi_long
do_ioctl_kdsigaccept(const IOCTLEntry
*ie
, uint8_t *buf_temp
,
4779 int fd
, int cmd
, abi_long arg
)
4781 int sig
= target_to_host_signal(arg
);
4782 return get_errno(safe_ioctl(fd
, ie
->host_cmd
, sig
));
4785 static IOCTLEntry ioctl_entries
[] = {
4786 #define IOCTL(cmd, access, ...) \
4787 { TARGET_ ## cmd, cmd, #cmd, access, 0, { __VA_ARGS__ } },
4788 #define IOCTL_SPECIAL(cmd, access, dofn, ...) \
4789 { TARGET_ ## cmd, cmd, #cmd, access, dofn, { __VA_ARGS__ } },
4794 /* ??? Implement proper locking for ioctls. */
4795 /* do_ioctl() Must return target values and target errnos. */
4796 static abi_long
do_ioctl(int fd
, int cmd
, abi_long arg
)
4798 const IOCTLEntry
*ie
;
4799 const argtype
*arg_type
;
4801 uint8_t buf_temp
[MAX_STRUCT_SIZE
];
4807 if (ie
->target_cmd
== 0) {
4808 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd
);
4809 return -TARGET_ENOSYS
;
4811 if (ie
->target_cmd
== cmd
)
4815 arg_type
= ie
->arg_type
;
4817 gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd
, ie
->name
);
4820 return ie
->do_ioctl(ie
, buf_temp
, fd
, cmd
, arg
);
4823 switch(arg_type
[0]) {
4826 ret
= get_errno(safe_ioctl(fd
, ie
->host_cmd
));
4830 ret
= get_errno(safe_ioctl(fd
, ie
->host_cmd
, arg
));
4834 target_size
= thunk_type_size(arg_type
, 0);
4835 switch(ie
->access
) {
4837 ret
= get_errno(safe_ioctl(fd
, ie
->host_cmd
, buf_temp
));
4838 if (!is_error(ret
)) {
4839 argptr
= lock_user(VERIFY_WRITE
, arg
, target_size
, 0);
4841 return -TARGET_EFAULT
;
4842 thunk_convert(argptr
, buf_temp
, arg_type
, THUNK_TARGET
);
4843 unlock_user(argptr
, arg
, target_size
);
4847 argptr
= lock_user(VERIFY_READ
, arg
, target_size
, 1);
4849 return -TARGET_EFAULT
;
4850 thunk_convert(buf_temp
, argptr
, arg_type
, THUNK_HOST
);
4851 unlock_user(argptr
, arg
, 0);
4852 ret
= get_errno(safe_ioctl(fd
, ie
->host_cmd
, buf_temp
));
4856 argptr
= lock_user(VERIFY_READ
, arg
, target_size
, 1);
4858 return -TARGET_EFAULT
;
4859 thunk_convert(buf_temp
, argptr
, arg_type
, THUNK_HOST
);
4860 unlock_user(argptr
, arg
, 0);
4861 ret
= get_errno(safe_ioctl(fd
, ie
->host_cmd
, buf_temp
));
4862 if (!is_error(ret
)) {
4863 argptr
= lock_user(VERIFY_WRITE
, arg
, target_size
, 0);
4865 return -TARGET_EFAULT
;
4866 thunk_convert(argptr
, buf_temp
, arg_type
, THUNK_TARGET
);
4867 unlock_user(argptr
, arg
, target_size
);
4873 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
4874 (long)cmd
, arg_type
[0]);
4875 ret
= -TARGET_ENOSYS
;
4881 static const bitmask_transtbl iflag_tbl
[] = {
4882 { TARGET_IGNBRK
, TARGET_IGNBRK
, IGNBRK
, IGNBRK
},
4883 { TARGET_BRKINT
, TARGET_BRKINT
, BRKINT
, BRKINT
},
4884 { TARGET_IGNPAR
, TARGET_IGNPAR
, IGNPAR
, IGNPAR
},
4885 { TARGET_PARMRK
, TARGET_PARMRK
, PARMRK
, PARMRK
},
4886 { TARGET_INPCK
, TARGET_INPCK
, INPCK
, INPCK
},
4887 { TARGET_ISTRIP
, TARGET_ISTRIP
, ISTRIP
, ISTRIP
},
4888 { TARGET_INLCR
, TARGET_INLCR
, INLCR
, INLCR
},
4889 { TARGET_IGNCR
, TARGET_IGNCR
, IGNCR
, IGNCR
},
4890 { TARGET_ICRNL
, TARGET_ICRNL
, ICRNL
, ICRNL
},
4891 { TARGET_IUCLC
, TARGET_IUCLC
, IUCLC
, IUCLC
},
4892 { TARGET_IXON
, TARGET_IXON
, IXON
, IXON
},
4893 { TARGET_IXANY
, TARGET_IXANY
, IXANY
, IXANY
},
4894 { TARGET_IXOFF
, TARGET_IXOFF
, IXOFF
, IXOFF
},
4895 { TARGET_IMAXBEL
, TARGET_IMAXBEL
, IMAXBEL
, IMAXBEL
},
4899 static const bitmask_transtbl oflag_tbl
[] = {
4900 { TARGET_OPOST
, TARGET_OPOST
, OPOST
, OPOST
},
4901 { TARGET_OLCUC
, TARGET_OLCUC
, OLCUC
, OLCUC
},
4902 { TARGET_ONLCR
, TARGET_ONLCR
, ONLCR
, ONLCR
},
4903 { TARGET_OCRNL
, TARGET_OCRNL
, OCRNL
, OCRNL
},
4904 { TARGET_ONOCR
, TARGET_ONOCR
, ONOCR
, ONOCR
},
4905 { TARGET_ONLRET
, TARGET_ONLRET
, ONLRET
, ONLRET
},
4906 { TARGET_OFILL
, TARGET_OFILL
, OFILL
, OFILL
},
4907 { TARGET_OFDEL
, TARGET_OFDEL
, OFDEL
, OFDEL
},
4908 { TARGET_NLDLY
, TARGET_NL0
, NLDLY
, NL0
},
4909 { TARGET_NLDLY
, TARGET_NL1
, NLDLY
, NL1
},
4910 { TARGET_CRDLY
, TARGET_CR0
, CRDLY
, CR0
},
4911 { TARGET_CRDLY
, TARGET_CR1
, CRDLY
, CR1
},
4912 { TARGET_CRDLY
, TARGET_CR2
, CRDLY
, CR2
},
4913 { TARGET_CRDLY
, TARGET_CR3
, CRDLY
, CR3
},
4914 { TARGET_TABDLY
, TARGET_TAB0
, TABDLY
, TAB0
},
4915 { TARGET_TABDLY
, TARGET_TAB1
, TABDLY
, TAB1
},
4916 { TARGET_TABDLY
, TARGET_TAB2
, TABDLY
, TAB2
},
4917 { TARGET_TABDLY
, TARGET_TAB3
, TABDLY
, TAB3
},
4918 { TARGET_BSDLY
, TARGET_BS0
, BSDLY
, BS0
},
4919 { TARGET_BSDLY
, TARGET_BS1
, BSDLY
, BS1
},
4920 { TARGET_VTDLY
, TARGET_VT0
, VTDLY
, VT0
},
4921 { TARGET_VTDLY
, TARGET_VT1
, VTDLY
, VT1
},
4922 { TARGET_FFDLY
, TARGET_FF0
, FFDLY
, FF0
},
4923 { TARGET_FFDLY
, TARGET_FF1
, FFDLY
, FF1
},
4927 static const bitmask_transtbl cflag_tbl
[] = {
4928 { TARGET_CBAUD
, TARGET_B0
, CBAUD
, B0
},
4929 { TARGET_CBAUD
, TARGET_B50
, CBAUD
, B50
},
4930 { TARGET_CBAUD
, TARGET_B75
, CBAUD
, B75
},
4931 { TARGET_CBAUD
, TARGET_B110
, CBAUD
, B110
},
4932 { TARGET_CBAUD
, TARGET_B134
, CBAUD
, B134
},
4933 { TARGET_CBAUD
, TARGET_B150
, CBAUD
, B150
},
4934 { TARGET_CBAUD
, TARGET_B200
, CBAUD
, B200
},
4935 { TARGET_CBAUD
, TARGET_B300
, CBAUD
, B300
},
4936 { TARGET_CBAUD
, TARGET_B600
, CBAUD
, B600
},
4937 { TARGET_CBAUD
, TARGET_B1200
, CBAUD
, B1200
},
4938 { TARGET_CBAUD
, TARGET_B1800
, CBAUD
, B1800
},
4939 { TARGET_CBAUD
, TARGET_B2400
, CBAUD
, B2400
},
4940 { TARGET_CBAUD
, TARGET_B4800
, CBAUD
, B4800
},
4941 { TARGET_CBAUD
, TARGET_B9600
, CBAUD
, B9600
},
4942 { TARGET_CBAUD
, TARGET_B19200
, CBAUD
, B19200
},
4943 { TARGET_CBAUD
, TARGET_B38400
, CBAUD
, B38400
},
4944 { TARGET_CBAUD
, TARGET_B57600
, CBAUD
, B57600
},
4945 { TARGET_CBAUD
, TARGET_B115200
, CBAUD
, B115200
},
4946 { TARGET_CBAUD
, TARGET_B230400
, CBAUD
, B230400
},
4947 { TARGET_CBAUD
, TARGET_B460800
, CBAUD
, B460800
},
4948 { TARGET_CSIZE
, TARGET_CS5
, CSIZE
, CS5
},
4949 { TARGET_CSIZE
, TARGET_CS6
, CSIZE
, CS6
},
4950 { TARGET_CSIZE
, TARGET_CS7
, CSIZE
, CS7
},
4951 { TARGET_CSIZE
, TARGET_CS8
, CSIZE
, CS8
},
4952 { TARGET_CSTOPB
, TARGET_CSTOPB
, CSTOPB
, CSTOPB
},
4953 { TARGET_CREAD
, TARGET_CREAD
, CREAD
, CREAD
},
4954 { TARGET_PARENB
, TARGET_PARENB
, PARENB
, PARENB
},
4955 { TARGET_PARODD
, TARGET_PARODD
, PARODD
, PARODD
},
4956 { TARGET_HUPCL
, TARGET_HUPCL
, HUPCL
, HUPCL
},
4957 { TARGET_CLOCAL
, TARGET_CLOCAL
, CLOCAL
, CLOCAL
},
4958 { TARGET_CRTSCTS
, TARGET_CRTSCTS
, CRTSCTS
, CRTSCTS
},
4962 static const bitmask_transtbl lflag_tbl
[] = {
4963 { TARGET_ISIG
, TARGET_ISIG
, ISIG
, ISIG
},
4964 { TARGET_ICANON
, TARGET_ICANON
, ICANON
, ICANON
},
4965 { TARGET_XCASE
, TARGET_XCASE
, XCASE
, XCASE
},
4966 { TARGET_ECHO
, TARGET_ECHO
, ECHO
, ECHO
},
4967 { TARGET_ECHOE
, TARGET_ECHOE
, ECHOE
, ECHOE
},
4968 { TARGET_ECHOK
, TARGET_ECHOK
, ECHOK
, ECHOK
},
4969 { TARGET_ECHONL
, TARGET_ECHONL
, ECHONL
, ECHONL
},
4970 { TARGET_NOFLSH
, TARGET_NOFLSH
, NOFLSH
, NOFLSH
},
4971 { TARGET_TOSTOP
, TARGET_TOSTOP
, TOSTOP
, TOSTOP
},
4972 { TARGET_ECHOCTL
, TARGET_ECHOCTL
, ECHOCTL
, ECHOCTL
},
4973 { TARGET_ECHOPRT
, TARGET_ECHOPRT
, ECHOPRT
, ECHOPRT
},
4974 { TARGET_ECHOKE
, TARGET_ECHOKE
, ECHOKE
, ECHOKE
},
4975 { TARGET_FLUSHO
, TARGET_FLUSHO
, FLUSHO
, FLUSHO
},
4976 { TARGET_PENDIN
, TARGET_PENDIN
, PENDIN
, PENDIN
},
4977 { TARGET_IEXTEN
, TARGET_IEXTEN
, IEXTEN
, IEXTEN
},
4981 static void target_to_host_termios (void *dst
, const void *src
)
4983 struct host_termios
*host
= dst
;
4984 const struct target_termios
*target
= src
;
4987 target_to_host_bitmask(tswap32(target
->c_iflag
), iflag_tbl
);
4989 target_to_host_bitmask(tswap32(target
->c_oflag
), oflag_tbl
);
4991 target_to_host_bitmask(tswap32(target
->c_cflag
), cflag_tbl
);
4993 target_to_host_bitmask(tswap32(target
->c_lflag
), lflag_tbl
);
4994 host
->c_line
= target
->c_line
;
4996 memset(host
->c_cc
, 0, sizeof(host
->c_cc
));
4997 host
->c_cc
[VINTR
] = target
->c_cc
[TARGET_VINTR
];
4998 host
->c_cc
[VQUIT
] = target
->c_cc
[TARGET_VQUIT
];
4999 host
->c_cc
[VERASE
] = target
->c_cc
[TARGET_VERASE
];
5000 host
->c_cc
[VKILL
] = target
->c_cc
[TARGET_VKILL
];
5001 host
->c_cc
[VEOF
] = target
->c_cc
[TARGET_VEOF
];
5002 host
->c_cc
[VTIME
] = target
->c_cc
[TARGET_VTIME
];
5003 host
->c_cc
[VMIN
] = target
->c_cc
[TARGET_VMIN
];
5004 host
->c_cc
[VSWTC
] = target
->c_cc
[TARGET_VSWTC
];
5005 host
->c_cc
[VSTART
] = target
->c_cc
[TARGET_VSTART
];
5006 host
->c_cc
[VSTOP
] = target
->c_cc
[TARGET_VSTOP
];
5007 host
->c_cc
[VSUSP
] = target
->c_cc
[TARGET_VSUSP
];
5008 host
->c_cc
[VEOL
] = target
->c_cc
[TARGET_VEOL
];
5009 host
->c_cc
[VREPRINT
] = target
->c_cc
[TARGET_VREPRINT
];
5010 host
->c_cc
[VDISCARD
] = target
->c_cc
[TARGET_VDISCARD
];
5011 host
->c_cc
[VWERASE
] = target
->c_cc
[TARGET_VWERASE
];
5012 host
->c_cc
[VLNEXT
] = target
->c_cc
[TARGET_VLNEXT
];
5013 host
->c_cc
[VEOL2
] = target
->c_cc
[TARGET_VEOL2
];
5016 static void host_to_target_termios (void *dst
, const void *src
)
5018 struct target_termios
*target
= dst
;
5019 const struct host_termios
*host
= src
;
5022 tswap32(host_to_target_bitmask(host
->c_iflag
, iflag_tbl
));
5024 tswap32(host_to_target_bitmask(host
->c_oflag
, oflag_tbl
));
5026 tswap32(host_to_target_bitmask(host
->c_cflag
, cflag_tbl
));
5028 tswap32(host_to_target_bitmask(host
->c_lflag
, lflag_tbl
));
5029 target
->c_line
= host
->c_line
;
5031 memset(target
->c_cc
, 0, sizeof(target
->c_cc
));
5032 target
->c_cc
[TARGET_VINTR
] = host
->c_cc
[VINTR
];
5033 target
->c_cc
[TARGET_VQUIT
] = host
->c_cc
[VQUIT
];
5034 target
->c_cc
[TARGET_VERASE
] = host
->c_cc
[VERASE
];
5035 target
->c_cc
[TARGET_VKILL
] = host
->c_cc
[VKILL
];
5036 target
->c_cc
[TARGET_VEOF
] = host
->c_cc
[VEOF
];
5037 target
->c_cc
[TARGET_VTIME
] = host
->c_cc
[VTIME
];
5038 target
->c_cc
[TARGET_VMIN
] = host
->c_cc
[VMIN
];
5039 target
->c_cc
[TARGET_VSWTC
] = host
->c_cc
[VSWTC
];
5040 target
->c_cc
[TARGET_VSTART
] = host
->c_cc
[VSTART
];
5041 target
->c_cc
[TARGET_VSTOP
] = host
->c_cc
[VSTOP
];
5042 target
->c_cc
[TARGET_VSUSP
] = host
->c_cc
[VSUSP
];
5043 target
->c_cc
[TARGET_VEOL
] = host
->c_cc
[VEOL
];
5044 target
->c_cc
[TARGET_VREPRINT
] = host
->c_cc
[VREPRINT
];
5045 target
->c_cc
[TARGET_VDISCARD
] = host
->c_cc
[VDISCARD
];
5046 target
->c_cc
[TARGET_VWERASE
] = host
->c_cc
[VWERASE
];
5047 target
->c_cc
[TARGET_VLNEXT
] = host
->c_cc
[VLNEXT
];
5048 target
->c_cc
[TARGET_VEOL2
] = host
->c_cc
[VEOL2
];
5051 static const StructEntry struct_termios_def
= {
5052 .convert
= { host_to_target_termios
, target_to_host_termios
},
5053 .size
= { sizeof(struct target_termios
), sizeof(struct host_termios
) },
5054 .align
= { __alignof__(struct target_termios
), __alignof__(struct host_termios
) },
5057 static bitmask_transtbl mmap_flags_tbl
[] = {
5058 { TARGET_MAP_SHARED
, TARGET_MAP_SHARED
, MAP_SHARED
, MAP_SHARED
},
5059 { TARGET_MAP_PRIVATE
, TARGET_MAP_PRIVATE
, MAP_PRIVATE
, MAP_PRIVATE
},
5060 { TARGET_MAP_FIXED
, TARGET_MAP_FIXED
, MAP_FIXED
, MAP_FIXED
},
5061 { TARGET_MAP_ANONYMOUS
, TARGET_MAP_ANONYMOUS
, MAP_ANONYMOUS
, MAP_ANONYMOUS
},
5062 { TARGET_MAP_GROWSDOWN
, TARGET_MAP_GROWSDOWN
, MAP_GROWSDOWN
, MAP_GROWSDOWN
},
5063 { TARGET_MAP_DENYWRITE
, TARGET_MAP_DENYWRITE
, MAP_DENYWRITE
, MAP_DENYWRITE
},
5064 { TARGET_MAP_EXECUTABLE
, TARGET_MAP_EXECUTABLE
, MAP_EXECUTABLE
, MAP_EXECUTABLE
},
5065 { TARGET_MAP_LOCKED
, TARGET_MAP_LOCKED
, MAP_LOCKED
, MAP_LOCKED
},
5066 { TARGET_MAP_NORESERVE
, TARGET_MAP_NORESERVE
, MAP_NORESERVE
,
5071 #if defined(TARGET_I386)
5073 /* NOTE: there is really one LDT for all the threads */
5074 static uint8_t *ldt_table
;
5076 static abi_long
read_ldt(abi_ulong ptr
, unsigned long bytecount
)
5083 size
= TARGET_LDT_ENTRIES
* TARGET_LDT_ENTRY_SIZE
;
5084 if (size
> bytecount
)
5086 p
= lock_user(VERIFY_WRITE
, ptr
, size
, 0);
5088 return -TARGET_EFAULT
;
5089 /* ??? Should this by byteswapped? */
5090 memcpy(p
, ldt_table
, size
);
5091 unlock_user(p
, ptr
, size
);
5095 /* XXX: add locking support */
5096 static abi_long
write_ldt(CPUX86State
*env
,
5097 abi_ulong ptr
, unsigned long bytecount
, int oldmode
)
5099 struct target_modify_ldt_ldt_s ldt_info
;
5100 struct target_modify_ldt_ldt_s
*target_ldt_info
;
5101 int seg_32bit
, contents
, read_exec_only
, limit_in_pages
;
5102 int seg_not_present
, useable
, lm
;
5103 uint32_t *lp
, entry_1
, entry_2
;
5105 if (bytecount
!= sizeof(ldt_info
))
5106 return -TARGET_EINVAL
;
5107 if (!lock_user_struct(VERIFY_READ
, target_ldt_info
, ptr
, 1))
5108 return -TARGET_EFAULT
;
5109 ldt_info
.entry_number
= tswap32(target_ldt_info
->entry_number
);
5110 ldt_info
.base_addr
= tswapal(target_ldt_info
->base_addr
);
5111 ldt_info
.limit
= tswap32(target_ldt_info
->limit
);
5112 ldt_info
.flags
= tswap32(target_ldt_info
->flags
);
5113 unlock_user_struct(target_ldt_info
, ptr
, 0);
5115 if (ldt_info
.entry_number
>= TARGET_LDT_ENTRIES
)
5116 return -TARGET_EINVAL
;
5117 seg_32bit
= ldt_info
.flags
& 1;
5118 contents
= (ldt_info
.flags
>> 1) & 3;
5119 read_exec_only
= (ldt_info
.flags
>> 3) & 1;
5120 limit_in_pages
= (ldt_info
.flags
>> 4) & 1;
5121 seg_not_present
= (ldt_info
.flags
>> 5) & 1;
5122 useable
= (ldt_info
.flags
>> 6) & 1;
5126 lm
= (ldt_info
.flags
>> 7) & 1;
5128 if (contents
== 3) {
5130 return -TARGET_EINVAL
;
5131 if (seg_not_present
== 0)
5132 return -TARGET_EINVAL
;
5134 /* allocate the LDT */
5136 env
->ldt
.base
= target_mmap(0,
5137 TARGET_LDT_ENTRIES
* TARGET_LDT_ENTRY_SIZE
,
5138 PROT_READ
|PROT_WRITE
,
5139 MAP_ANONYMOUS
|MAP_PRIVATE
, -1, 0);
5140 if (env
->ldt
.base
== -1)
5141 return -TARGET_ENOMEM
;
5142 memset(g2h(env
->ldt
.base
), 0,
5143 TARGET_LDT_ENTRIES
* TARGET_LDT_ENTRY_SIZE
);
5144 env
->ldt
.limit
= 0xffff;
5145 ldt_table
= g2h(env
->ldt
.base
);
5148 /* NOTE: same code as Linux kernel */
5149 /* Allow LDTs to be cleared by the user. */
5150 if (ldt_info
.base_addr
== 0 && ldt_info
.limit
== 0) {
5153 read_exec_only
== 1 &&
5155 limit_in_pages
== 0 &&
5156 seg_not_present
== 1 &&
5164 entry_1
= ((ldt_info
.base_addr
& 0x0000ffff) << 16) |
5165 (ldt_info
.limit
& 0x0ffff);
5166 entry_2
= (ldt_info
.base_addr
& 0xff000000) |
5167 ((ldt_info
.base_addr
& 0x00ff0000) >> 16) |
5168 (ldt_info
.limit
& 0xf0000) |
5169 ((read_exec_only
^ 1) << 9) |
5171 ((seg_not_present
^ 1) << 15) |
5173 (limit_in_pages
<< 23) |
5177 entry_2
|= (useable
<< 20);
5179 /* Install the new entry ... */
5181 lp
= (uint32_t *)(ldt_table
+ (ldt_info
.entry_number
<< 3));
5182 lp
[0] = tswap32(entry_1
);
5183 lp
[1] = tswap32(entry_2
);
5187 /* specific and weird i386 syscalls */
5188 static abi_long
do_modify_ldt(CPUX86State
*env
, int func
, abi_ulong ptr
,
5189 unsigned long bytecount
)
5195 ret
= read_ldt(ptr
, bytecount
);
5198 ret
= write_ldt(env
, ptr
, bytecount
, 1);
5201 ret
= write_ldt(env
, ptr
, bytecount
, 0);
5204 ret
= -TARGET_ENOSYS
;
5210 #if defined(TARGET_I386) && defined(TARGET_ABI32)
5211 abi_long
do_set_thread_area(CPUX86State
*env
, abi_ulong ptr
)
5213 uint64_t *gdt_table
= g2h(env
->gdt
.base
);
5214 struct target_modify_ldt_ldt_s ldt_info
;
5215 struct target_modify_ldt_ldt_s
*target_ldt_info
;
5216 int seg_32bit
, contents
, read_exec_only
, limit_in_pages
;
5217 int seg_not_present
, useable
, lm
;
5218 uint32_t *lp
, entry_1
, entry_2
;
5221 lock_user_struct(VERIFY_WRITE
, target_ldt_info
, ptr
, 1);
5222 if (!target_ldt_info
)
5223 return -TARGET_EFAULT
;
5224 ldt_info
.entry_number
= tswap32(target_ldt_info
->entry_number
);
5225 ldt_info
.base_addr
= tswapal(target_ldt_info
->base_addr
);
5226 ldt_info
.limit
= tswap32(target_ldt_info
->limit
);
5227 ldt_info
.flags
= tswap32(target_ldt_info
->flags
);
5228 if (ldt_info
.entry_number
== -1) {
5229 for (i
=TARGET_GDT_ENTRY_TLS_MIN
; i
<=TARGET_GDT_ENTRY_TLS_MAX
; i
++) {
5230 if (gdt_table
[i
] == 0) {
5231 ldt_info
.entry_number
= i
;
5232 target_ldt_info
->entry_number
= tswap32(i
);
5237 unlock_user_struct(target_ldt_info
, ptr
, 1);
5239 if (ldt_info
.entry_number
< TARGET_GDT_ENTRY_TLS_MIN
||
5240 ldt_info
.entry_number
> TARGET_GDT_ENTRY_TLS_MAX
)
5241 return -TARGET_EINVAL
;
5242 seg_32bit
= ldt_info
.flags
& 1;
5243 contents
= (ldt_info
.flags
>> 1) & 3;
5244 read_exec_only
= (ldt_info
.flags
>> 3) & 1;
5245 limit_in_pages
= (ldt_info
.flags
>> 4) & 1;
5246 seg_not_present
= (ldt_info
.flags
>> 5) & 1;
5247 useable
= (ldt_info
.flags
>> 6) & 1;
5251 lm
= (ldt_info
.flags
>> 7) & 1;
5254 if (contents
== 3) {
5255 if (seg_not_present
== 0)
5256 return -TARGET_EINVAL
;
5259 /* NOTE: same code as Linux kernel */
5260 /* Allow LDTs to be cleared by the user. */
5261 if (ldt_info
.base_addr
== 0 && ldt_info
.limit
== 0) {
5262 if ((contents
== 0 &&
5263 read_exec_only
== 1 &&
5265 limit_in_pages
== 0 &&
5266 seg_not_present
== 1 &&
5274 entry_1
= ((ldt_info
.base_addr
& 0x0000ffff) << 16) |
5275 (ldt_info
.limit
& 0x0ffff);
5276 entry_2
= (ldt_info
.base_addr
& 0xff000000) |
5277 ((ldt_info
.base_addr
& 0x00ff0000) >> 16) |
5278 (ldt_info
.limit
& 0xf0000) |
5279 ((read_exec_only
^ 1) << 9) |
5281 ((seg_not_present
^ 1) << 15) |
5283 (limit_in_pages
<< 23) |
5288 /* Install the new entry ... */
5290 lp
= (uint32_t *)(gdt_table
+ ldt_info
.entry_number
);
5291 lp
[0] = tswap32(entry_1
);
5292 lp
[1] = tswap32(entry_2
);
5296 static abi_long
do_get_thread_area(CPUX86State
*env
, abi_ulong ptr
)
5298 struct target_modify_ldt_ldt_s
*target_ldt_info
;
5299 uint64_t *gdt_table
= g2h(env
->gdt
.base
);
5300 uint32_t base_addr
, limit
, flags
;
5301 int seg_32bit
, contents
, read_exec_only
, limit_in_pages
, idx
;
5302 int seg_not_present
, useable
, lm
;
5303 uint32_t *lp
, entry_1
, entry_2
;
5305 lock_user_struct(VERIFY_WRITE
, target_ldt_info
, ptr
, 1);
5306 if (!target_ldt_info
)
5307 return -TARGET_EFAULT
;
5308 idx
= tswap32(target_ldt_info
->entry_number
);
5309 if (idx
< TARGET_GDT_ENTRY_TLS_MIN
||
5310 idx
> TARGET_GDT_ENTRY_TLS_MAX
) {
5311 unlock_user_struct(target_ldt_info
, ptr
, 1);
5312 return -TARGET_EINVAL
;
5314 lp
= (uint32_t *)(gdt_table
+ idx
);
5315 entry_1
= tswap32(lp
[0]);
5316 entry_2
= tswap32(lp
[1]);
5318 read_exec_only
= ((entry_2
>> 9) & 1) ^ 1;
5319 contents
= (entry_2
>> 10) & 3;
5320 seg_not_present
= ((entry_2
>> 15) & 1) ^ 1;
5321 seg_32bit
= (entry_2
>> 22) & 1;
5322 limit_in_pages
= (entry_2
>> 23) & 1;
5323 useable
= (entry_2
>> 20) & 1;
5327 lm
= (entry_2
>> 21) & 1;
5329 flags
= (seg_32bit
<< 0) | (contents
<< 1) |
5330 (read_exec_only
<< 3) | (limit_in_pages
<< 4) |
5331 (seg_not_present
<< 5) | (useable
<< 6) | (lm
<< 7);
5332 limit
= (entry_1
& 0xffff) | (entry_2
& 0xf0000);
5333 base_addr
= (entry_1
>> 16) |
5334 (entry_2
& 0xff000000) |
5335 ((entry_2
& 0xff) << 16);
5336 target_ldt_info
->base_addr
= tswapal(base_addr
);
5337 target_ldt_info
->limit
= tswap32(limit
);
5338 target_ldt_info
->flags
= tswap32(flags
);
5339 unlock_user_struct(target_ldt_info
, ptr
, 1);
5342 #endif /* TARGET_I386 && TARGET_ABI32 */
5344 #ifndef TARGET_ABI32
5345 abi_long
do_arch_prctl(CPUX86State
*env
, int code
, abi_ulong addr
)
5352 case TARGET_ARCH_SET_GS
:
5353 case TARGET_ARCH_SET_FS
:
5354 if (code
== TARGET_ARCH_SET_GS
)
5358 cpu_x86_load_seg(env
, idx
, 0);
5359 env
->segs
[idx
].base
= addr
;
5361 case TARGET_ARCH_GET_GS
:
5362 case TARGET_ARCH_GET_FS
:
5363 if (code
== TARGET_ARCH_GET_GS
)
5367 val
= env
->segs
[idx
].base
;
5368 if (put_user(val
, addr
, abi_ulong
))
5369 ret
= -TARGET_EFAULT
;
5372 ret
= -TARGET_EINVAL
;
5379 #endif /* defined(TARGET_I386) */
5381 #define NEW_STACK_SIZE 0x40000
5384 static pthread_mutex_t clone_lock
= PTHREAD_MUTEX_INITIALIZER
;
5387 pthread_mutex_t mutex
;
5388 pthread_cond_t cond
;
5391 abi_ulong child_tidptr
;
5392 abi_ulong parent_tidptr
;
5396 static void *clone_func(void *arg
)
5398 new_thread_info
*info
= arg
;
5403 rcu_register_thread();
5405 cpu
= ENV_GET_CPU(env
);
5407 ts
= (TaskState
*)cpu
->opaque
;
5408 info
->tid
= gettid();
5409 cpu
->host_tid
= info
->tid
;
5411 if (info
->child_tidptr
)
5412 put_user_u32(info
->tid
, info
->child_tidptr
);
5413 if (info
->parent_tidptr
)
5414 put_user_u32(info
->tid
, info
->parent_tidptr
);
5415 /* Enable signals. */
5416 sigprocmask(SIG_SETMASK
, &info
->sigmask
, NULL
);
5417 /* Signal to the parent that we're ready. */
5418 pthread_mutex_lock(&info
->mutex
);
5419 pthread_cond_broadcast(&info
->cond
);
5420 pthread_mutex_unlock(&info
->mutex
);
5421 /* Wait until the parent has finshed initializing the tls state. */
5422 pthread_mutex_lock(&clone_lock
);
5423 pthread_mutex_unlock(&clone_lock
);
5429 /* do_fork() Must return host values and target errnos (unlike most
5430 do_*() functions). */
5431 static int do_fork(CPUArchState
*env
, unsigned int flags
, abi_ulong newsp
,
5432 abi_ulong parent_tidptr
, target_ulong newtls
,
5433 abi_ulong child_tidptr
)
5435 CPUState
*cpu
= ENV_GET_CPU(env
);
5439 CPUArchState
*new_env
;
5440 unsigned int nptl_flags
;
5443 /* Emulate vfork() with fork() */
5444 if (flags
& CLONE_VFORK
)
5445 flags
&= ~(CLONE_VFORK
| CLONE_VM
);
5447 if (flags
& CLONE_VM
) {
5448 TaskState
*parent_ts
= (TaskState
*)cpu
->opaque
;
5449 new_thread_info info
;
5450 pthread_attr_t attr
;
5452 ts
= g_new0(TaskState
, 1);
5453 init_task_state(ts
);
5454 /* we create a new CPU instance. */
5455 new_env
= cpu_copy(env
);
5456 /* Init regs that differ from the parent. */
5457 cpu_clone_regs(new_env
, newsp
);
5458 new_cpu
= ENV_GET_CPU(new_env
);
5459 new_cpu
->opaque
= ts
;
5460 ts
->bprm
= parent_ts
->bprm
;
5461 ts
->info
= parent_ts
->info
;
5462 ts
->signal_mask
= parent_ts
->signal_mask
;
5464 flags
&= ~CLONE_NPTL_FLAGS2
;
5466 if (nptl_flags
& CLONE_CHILD_CLEARTID
) {
5467 ts
->child_tidptr
= child_tidptr
;
5470 if (nptl_flags
& CLONE_SETTLS
)
5471 cpu_set_tls (new_env
, newtls
);
5473 /* Grab a mutex so that thread setup appears atomic. */
5474 pthread_mutex_lock(&clone_lock
);
5476 memset(&info
, 0, sizeof(info
));
5477 pthread_mutex_init(&info
.mutex
, NULL
);
5478 pthread_mutex_lock(&info
.mutex
);
5479 pthread_cond_init(&info
.cond
, NULL
);
5481 if (nptl_flags
& CLONE_CHILD_SETTID
)
5482 info
.child_tidptr
= child_tidptr
;
5483 if (nptl_flags
& CLONE_PARENT_SETTID
)
5484 info
.parent_tidptr
= parent_tidptr
;
5486 ret
= pthread_attr_init(&attr
);
5487 ret
= pthread_attr_setstacksize(&attr
, NEW_STACK_SIZE
);
5488 ret
= pthread_attr_setdetachstate(&attr
, PTHREAD_CREATE_DETACHED
);
5489 /* It is not safe to deliver signals until the child has finished
5490 initializing, so temporarily block all signals. */
5491 sigfillset(&sigmask
);
5492 sigprocmask(SIG_BLOCK
, &sigmask
, &info
.sigmask
);
5494 ret
= pthread_create(&info
.thread
, &attr
, clone_func
, &info
);
5495 /* TODO: Free new CPU state if thread creation failed. */
5497 sigprocmask(SIG_SETMASK
, &info
.sigmask
, NULL
);
5498 pthread_attr_destroy(&attr
);
5500 /* Wait for the child to initialize. */
5501 pthread_cond_wait(&info
.cond
, &info
.mutex
);
5503 if (flags
& CLONE_PARENT_SETTID
)
5504 put_user_u32(ret
, parent_tidptr
);
5508 pthread_mutex_unlock(&info
.mutex
);
5509 pthread_cond_destroy(&info
.cond
);
5510 pthread_mutex_destroy(&info
.mutex
);
5511 pthread_mutex_unlock(&clone_lock
);
5513 /* if no CLONE_VM, we consider it is a fork */
5514 if ((flags
& ~(CSIGNAL
| CLONE_NPTL_FLAGS2
)) != 0) {
5515 return -TARGET_EINVAL
;
5518 if (block_signals()) {
5519 return -TARGET_ERESTARTSYS
;
5525 /* Child Process. */
5527 cpu_clone_regs(env
, newsp
);
5529 /* There is a race condition here. The parent process could
5530 theoretically read the TID in the child process before the child
5531 tid is set. This would require using either ptrace
5532 (not implemented) or having *_tidptr to point at a shared memory
5533 mapping. We can't repeat the spinlock hack used above because
5534 the child process gets its own copy of the lock. */
5535 if (flags
& CLONE_CHILD_SETTID
)
5536 put_user_u32(gettid(), child_tidptr
);
5537 if (flags
& CLONE_PARENT_SETTID
)
5538 put_user_u32(gettid(), parent_tidptr
);
5539 ts
= (TaskState
*)cpu
->opaque
;
5540 if (flags
& CLONE_SETTLS
)
5541 cpu_set_tls (env
, newtls
);
5542 if (flags
& CLONE_CHILD_CLEARTID
)
5543 ts
->child_tidptr
= child_tidptr
;
5551 /* warning : doesn't handle linux specific flags... */
5552 static int target_to_host_fcntl_cmd(int cmd
)
5555 case TARGET_F_DUPFD
:
5556 case TARGET_F_GETFD
:
5557 case TARGET_F_SETFD
:
5558 case TARGET_F_GETFL
:
5559 case TARGET_F_SETFL
:
5561 case TARGET_F_GETLK
:
5563 case TARGET_F_SETLK
:
5565 case TARGET_F_SETLKW
:
5567 case TARGET_F_GETOWN
:
5569 case TARGET_F_SETOWN
:
5571 case TARGET_F_GETSIG
:
5573 case TARGET_F_SETSIG
:
5575 #if TARGET_ABI_BITS == 32
5576 case TARGET_F_GETLK64
:
5578 case TARGET_F_SETLK64
:
5580 case TARGET_F_SETLKW64
:
5583 case TARGET_F_SETLEASE
:
5585 case TARGET_F_GETLEASE
:
5587 #ifdef F_DUPFD_CLOEXEC
5588 case TARGET_F_DUPFD_CLOEXEC
:
5589 return F_DUPFD_CLOEXEC
;
5591 case TARGET_F_NOTIFY
:
5594 case TARGET_F_GETOWN_EX
:
5598 case TARGET_F_SETOWN_EX
:
5601 case TARGET_F_SETPIPE_SZ
:
5602 return F_SETPIPE_SZ
;
5603 case TARGET_F_GETPIPE_SZ
:
5604 return F_GETPIPE_SZ
;
5606 return -TARGET_EINVAL
;
5608 return -TARGET_EINVAL
;
5611 #define TRANSTBL_CONVERT(a) { -1, TARGET_##a, -1, a }
5612 static const bitmask_transtbl flock_tbl
[] = {
5613 TRANSTBL_CONVERT(F_RDLCK
),
5614 TRANSTBL_CONVERT(F_WRLCK
),
5615 TRANSTBL_CONVERT(F_UNLCK
),
5616 TRANSTBL_CONVERT(F_EXLCK
),
5617 TRANSTBL_CONVERT(F_SHLCK
),
5621 static inline abi_long
copy_from_user_flock(struct flock64
*fl
,
5622 abi_ulong target_flock_addr
)
5624 struct target_flock
*target_fl
;
5627 if (!lock_user_struct(VERIFY_READ
, target_fl
, target_flock_addr
, 1)) {
5628 return -TARGET_EFAULT
;
5631 __get_user(l_type
, &target_fl
->l_type
);
5632 fl
->l_type
= target_to_host_bitmask(l_type
, flock_tbl
);
5633 __get_user(fl
->l_whence
, &target_fl
->l_whence
);
5634 __get_user(fl
->l_start
, &target_fl
->l_start
);
5635 __get_user(fl
->l_len
, &target_fl
->l_len
);
5636 __get_user(fl
->l_pid
, &target_fl
->l_pid
);
5637 unlock_user_struct(target_fl
, target_flock_addr
, 0);
5641 static inline abi_long
copy_to_user_flock(abi_ulong target_flock_addr
,
5642 const struct flock64
*fl
)
5644 struct target_flock
*target_fl
;
5647 if (!lock_user_struct(VERIFY_WRITE
, target_fl
, target_flock_addr
, 0)) {
5648 return -TARGET_EFAULT
;
5651 l_type
= host_to_target_bitmask(fl
->l_type
, flock_tbl
);
5652 __put_user(l_type
, &target_fl
->l_type
);
5653 __put_user(fl
->l_whence
, &target_fl
->l_whence
);
5654 __put_user(fl
->l_start
, &target_fl
->l_start
);
5655 __put_user(fl
->l_len
, &target_fl
->l_len
);
5656 __put_user(fl
->l_pid
, &target_fl
->l_pid
);
5657 unlock_user_struct(target_fl
, target_flock_addr
, 1);
5661 typedef abi_long
from_flock64_fn(struct flock64
*fl
, abi_ulong target_addr
);
5662 typedef abi_long
to_flock64_fn(abi_ulong target_addr
, const struct flock64
*fl
);
5664 #if defined(TARGET_ARM) && TARGET_ABI_BITS == 32
5665 static inline abi_long
copy_from_user_eabi_flock64(struct flock64
*fl
,
5666 abi_ulong target_flock_addr
)
5668 struct target_eabi_flock64
*target_fl
;
5671 if (!lock_user_struct(VERIFY_READ
, target_fl
, target_flock_addr
, 1)) {
5672 return -TARGET_EFAULT
;
5675 __get_user(l_type
, &target_fl
->l_type
);
5676 fl
->l_type
= target_to_host_bitmask(l_type
, flock_tbl
);
5677 __get_user(fl
->l_whence
, &target_fl
->l_whence
);
5678 __get_user(fl
->l_start
, &target_fl
->l_start
);
5679 __get_user(fl
->l_len
, &target_fl
->l_len
);
5680 __get_user(fl
->l_pid
, &target_fl
->l_pid
);
5681 unlock_user_struct(target_fl
, target_flock_addr
, 0);
5685 static inline abi_long
copy_to_user_eabi_flock64(abi_ulong target_flock_addr
,
5686 const struct flock64
*fl
)
5688 struct target_eabi_flock64
*target_fl
;
5691 if (!lock_user_struct(VERIFY_WRITE
, target_fl
, target_flock_addr
, 0)) {
5692 return -TARGET_EFAULT
;
5695 l_type
= host_to_target_bitmask(fl
->l_type
, flock_tbl
);
5696 __put_user(l_type
, &target_fl
->l_type
);
5697 __put_user(fl
->l_whence
, &target_fl
->l_whence
);
5698 __put_user(fl
->l_start
, &target_fl
->l_start
);
5699 __put_user(fl
->l_len
, &target_fl
->l_len
);
5700 __put_user(fl
->l_pid
, &target_fl
->l_pid
);
5701 unlock_user_struct(target_fl
, target_flock_addr
, 1);
5706 static inline abi_long
copy_from_user_flock64(struct flock64
*fl
,
5707 abi_ulong target_flock_addr
)
5709 struct target_flock64
*target_fl
;
5712 if (!lock_user_struct(VERIFY_READ
, target_fl
, target_flock_addr
, 1)) {
5713 return -TARGET_EFAULT
;
5716 __get_user(l_type
, &target_fl
->l_type
);
5717 fl
->l_type
= target_to_host_bitmask(l_type
, flock_tbl
);
5718 __get_user(fl
->l_whence
, &target_fl
->l_whence
);
5719 __get_user(fl
->l_start
, &target_fl
->l_start
);
5720 __get_user(fl
->l_len
, &target_fl
->l_len
);
5721 __get_user(fl
->l_pid
, &target_fl
->l_pid
);
5722 unlock_user_struct(target_fl
, target_flock_addr
, 0);
5726 static inline abi_long
copy_to_user_flock64(abi_ulong target_flock_addr
,
5727 const struct flock64
*fl
)
5729 struct target_flock64
*target_fl
;
5732 if (!lock_user_struct(VERIFY_WRITE
, target_fl
, target_flock_addr
, 0)) {
5733 return -TARGET_EFAULT
;
5736 l_type
= host_to_target_bitmask(fl
->l_type
, flock_tbl
);
5737 __put_user(l_type
, &target_fl
->l_type
);
5738 __put_user(fl
->l_whence
, &target_fl
->l_whence
);
5739 __put_user(fl
->l_start
, &target_fl
->l_start
);
5740 __put_user(fl
->l_len
, &target_fl
->l_len
);
5741 __put_user(fl
->l_pid
, &target_fl
->l_pid
);
5742 unlock_user_struct(target_fl
, target_flock_addr
, 1);
5746 static abi_long
do_fcntl(int fd
, int cmd
, abi_ulong arg
)
5748 struct flock64 fl64
;
5750 struct f_owner_ex fox
;
5751 struct target_f_owner_ex
*target_fox
;
5754 int host_cmd
= target_to_host_fcntl_cmd(cmd
);
5756 if (host_cmd
== -TARGET_EINVAL
)
5760 case TARGET_F_GETLK
:
5761 ret
= copy_from_user_flock(&fl64
, arg
);
5765 ret
= get_errno(safe_fcntl(fd
, host_cmd
, &fl64
));
5767 ret
= copy_to_user_flock(arg
, &fl64
);
5771 case TARGET_F_SETLK
:
5772 case TARGET_F_SETLKW
:
5773 ret
= copy_from_user_flock(&fl64
, arg
);
5777 ret
= get_errno(safe_fcntl(fd
, host_cmd
, &fl64
));
5780 case TARGET_F_GETLK64
:
5781 ret
= copy_from_user_flock64(&fl64
, arg
);
5785 ret
= get_errno(safe_fcntl(fd
, host_cmd
, &fl64
));
5787 ret
= copy_to_user_flock64(arg
, &fl64
);
5790 case TARGET_F_SETLK64
:
5791 case TARGET_F_SETLKW64
:
5792 ret
= copy_from_user_flock64(&fl64
, arg
);
5796 ret
= get_errno(safe_fcntl(fd
, host_cmd
, &fl64
));
5799 case TARGET_F_GETFL
:
5800 ret
= get_errno(safe_fcntl(fd
, host_cmd
, arg
));
5802 ret
= host_to_target_bitmask(ret
, fcntl_flags_tbl
);
5806 case TARGET_F_SETFL
:
5807 ret
= get_errno(safe_fcntl(fd
, host_cmd
,
5808 target_to_host_bitmask(arg
,
5813 case TARGET_F_GETOWN_EX
:
5814 ret
= get_errno(safe_fcntl(fd
, host_cmd
, &fox
));
5816 if (!lock_user_struct(VERIFY_WRITE
, target_fox
, arg
, 0))
5817 return -TARGET_EFAULT
;
5818 target_fox
->type
= tswap32(fox
.type
);
5819 target_fox
->pid
= tswap32(fox
.pid
);
5820 unlock_user_struct(target_fox
, arg
, 1);
5826 case TARGET_F_SETOWN_EX
:
5827 if (!lock_user_struct(VERIFY_READ
, target_fox
, arg
, 1))
5828 return -TARGET_EFAULT
;
5829 fox
.type
= tswap32(target_fox
->type
);
5830 fox
.pid
= tswap32(target_fox
->pid
);
5831 unlock_user_struct(target_fox
, arg
, 0);
5832 ret
= get_errno(safe_fcntl(fd
, host_cmd
, &fox
));
5836 case TARGET_F_SETOWN
:
5837 case TARGET_F_GETOWN
:
5838 case TARGET_F_SETSIG
:
5839 case TARGET_F_GETSIG
:
5840 case TARGET_F_SETLEASE
:
5841 case TARGET_F_GETLEASE
:
5842 case TARGET_F_SETPIPE_SZ
:
5843 case TARGET_F_GETPIPE_SZ
:
5844 ret
= get_errno(safe_fcntl(fd
, host_cmd
, arg
));
5848 ret
= get_errno(safe_fcntl(fd
, cmd
, arg
));
5856 static inline int high2lowuid(int uid
)
5864 static inline int high2lowgid(int gid
)
5872 static inline int low2highuid(int uid
)
5874 if ((int16_t)uid
== -1)
5880 static inline int low2highgid(int gid
)
5882 if ((int16_t)gid
== -1)
5887 static inline int tswapid(int id
)
5892 #define put_user_id(x, gaddr) put_user_u16(x, gaddr)
5894 #else /* !USE_UID16 */
5895 static inline int high2lowuid(int uid
)
5899 static inline int high2lowgid(int gid
)
5903 static inline int low2highuid(int uid
)
5907 static inline int low2highgid(int gid
)
5911 static inline int tswapid(int id
)
5916 #define put_user_id(x, gaddr) put_user_u32(x, gaddr)
5918 #endif /* USE_UID16 */
5920 /* We must do direct syscalls for setting UID/GID, because we want to
5921 * implement the Linux system call semantics of "change only for this thread",
5922 * not the libc/POSIX semantics of "change for all threads in process".
5923 * (See http://ewontfix.com/17/ for more details.)
5924 * We use the 32-bit version of the syscalls if present; if it is not
5925 * then either the host architecture supports 32-bit UIDs natively with
5926 * the standard syscall, or the 16-bit UID is the best we can do.
5928 #ifdef __NR_setuid32
5929 #define __NR_sys_setuid __NR_setuid32
5931 #define __NR_sys_setuid __NR_setuid
5933 #ifdef __NR_setgid32
5934 #define __NR_sys_setgid __NR_setgid32
5936 #define __NR_sys_setgid __NR_setgid
5938 #ifdef __NR_setresuid32
5939 #define __NR_sys_setresuid __NR_setresuid32
5941 #define __NR_sys_setresuid __NR_setresuid
5943 #ifdef __NR_setresgid32
5944 #define __NR_sys_setresgid __NR_setresgid32
5946 #define __NR_sys_setresgid __NR_setresgid
5949 _syscall1(int, sys_setuid
, uid_t
, uid
)
5950 _syscall1(int, sys_setgid
, gid_t
, gid
)
5951 _syscall3(int, sys_setresuid
, uid_t
, ruid
, uid_t
, euid
, uid_t
, suid
)
5952 _syscall3(int, sys_setresgid
, gid_t
, rgid
, gid_t
, egid
, gid_t
, sgid
)
5954 void syscall_init(void)
5957 const argtype
*arg_type
;
5961 thunk_init(STRUCT_MAX
);
5963 #define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
5964 #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
5965 #include "syscall_types.h"
5967 #undef STRUCT_SPECIAL
5969 /* Build target_to_host_errno_table[] table from
5970 * host_to_target_errno_table[]. */
5971 for (i
= 0; i
< ERRNO_TABLE_SIZE
; i
++) {
5972 target_to_host_errno_table
[host_to_target_errno_table
[i
]] = i
;
5975 /* we patch the ioctl size if necessary. We rely on the fact that
5976 no ioctl has all the bits at '1' in the size field */
5978 while (ie
->target_cmd
!= 0) {
5979 if (((ie
->target_cmd
>> TARGET_IOC_SIZESHIFT
) & TARGET_IOC_SIZEMASK
) ==
5980 TARGET_IOC_SIZEMASK
) {
5981 arg_type
= ie
->arg_type
;
5982 if (arg_type
[0] != TYPE_PTR
) {
5983 fprintf(stderr
, "cannot patch size for ioctl 0x%x\n",
5988 size
= thunk_type_size(arg_type
, 0);
5989 ie
->target_cmd
= (ie
->target_cmd
&
5990 ~(TARGET_IOC_SIZEMASK
<< TARGET_IOC_SIZESHIFT
)) |
5991 (size
<< TARGET_IOC_SIZESHIFT
);
5994 /* automatic consistency check if same arch */
5995 #if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \
5996 (defined(__x86_64__) && defined(TARGET_X86_64))
5997 if (unlikely(ie
->target_cmd
!= ie
->host_cmd
)) {
5998 fprintf(stderr
, "ERROR: ioctl(%s): target=0x%x host=0x%x\n",
5999 ie
->name
, ie
->target_cmd
, ie
->host_cmd
);
6006 #if TARGET_ABI_BITS == 32
6007 static inline uint64_t target_offset64(uint32_t word0
, uint32_t word1
)
6009 #ifdef TARGET_WORDS_BIGENDIAN
6010 return ((uint64_t)word0
<< 32) | word1
;
6012 return ((uint64_t)word1
<< 32) | word0
;
6015 #else /* TARGET_ABI_BITS == 32 */
6016 static inline uint64_t target_offset64(uint64_t word0
, uint64_t word1
)
6020 #endif /* TARGET_ABI_BITS != 32 */
6022 #ifdef TARGET_NR_truncate64
6023 static inline abi_long
target_truncate64(void *cpu_env
, const char *arg1
,
6028 if (regpairs_aligned(cpu_env
)) {
6032 return get_errno(truncate64(arg1
, target_offset64(arg2
, arg3
)));
6036 #ifdef TARGET_NR_ftruncate64
6037 static inline abi_long
target_ftruncate64(void *cpu_env
, abi_long arg1
,
6042 if (regpairs_aligned(cpu_env
)) {
6046 return get_errno(ftruncate64(arg1
, target_offset64(arg2
, arg3
)));
6050 static inline abi_long
target_to_host_timespec(struct timespec
*host_ts
,
6051 abi_ulong target_addr
)
6053 struct target_timespec
*target_ts
;
6055 if (!lock_user_struct(VERIFY_READ
, target_ts
, target_addr
, 1))
6056 return -TARGET_EFAULT
;
6057 __get_user(host_ts
->tv_sec
, &target_ts
->tv_sec
);
6058 __get_user(host_ts
->tv_nsec
, &target_ts
->tv_nsec
);
6059 unlock_user_struct(target_ts
, target_addr
, 0);
6063 static inline abi_long
host_to_target_timespec(abi_ulong target_addr
,
6064 struct timespec
*host_ts
)
6066 struct target_timespec
*target_ts
;
6068 if (!lock_user_struct(VERIFY_WRITE
, target_ts
, target_addr
, 0))
6069 return -TARGET_EFAULT
;
6070 __put_user(host_ts
->tv_sec
, &target_ts
->tv_sec
);
6071 __put_user(host_ts
->tv_nsec
, &target_ts
->tv_nsec
);
6072 unlock_user_struct(target_ts
, target_addr
, 1);
6076 static inline abi_long
target_to_host_itimerspec(struct itimerspec
*host_itspec
,
6077 abi_ulong target_addr
)
6079 struct target_itimerspec
*target_itspec
;
6081 if (!lock_user_struct(VERIFY_READ
, target_itspec
, target_addr
, 1)) {
6082 return -TARGET_EFAULT
;
6085 host_itspec
->it_interval
.tv_sec
=
6086 tswapal(target_itspec
->it_interval
.tv_sec
);
6087 host_itspec
->it_interval
.tv_nsec
=
6088 tswapal(target_itspec
->it_interval
.tv_nsec
);
6089 host_itspec
->it_value
.tv_sec
= tswapal(target_itspec
->it_value
.tv_sec
);
6090 host_itspec
->it_value
.tv_nsec
= tswapal(target_itspec
->it_value
.tv_nsec
);
6092 unlock_user_struct(target_itspec
, target_addr
, 1);
6096 static inline abi_long
host_to_target_itimerspec(abi_ulong target_addr
,
6097 struct itimerspec
*host_its
)
6099 struct target_itimerspec
*target_itspec
;
6101 if (!lock_user_struct(VERIFY_WRITE
, target_itspec
, target_addr
, 0)) {
6102 return -TARGET_EFAULT
;
6105 target_itspec
->it_interval
.tv_sec
= tswapal(host_its
->it_interval
.tv_sec
);
6106 target_itspec
->it_interval
.tv_nsec
= tswapal(host_its
->it_interval
.tv_nsec
);
6108 target_itspec
->it_value
.tv_sec
= tswapal(host_its
->it_value
.tv_sec
);
6109 target_itspec
->it_value
.tv_nsec
= tswapal(host_its
->it_value
.tv_nsec
);
6111 unlock_user_struct(target_itspec
, target_addr
, 0);
6115 static inline abi_long
target_to_host_sigevent(struct sigevent
*host_sevp
,
6116 abi_ulong target_addr
)
6118 struct target_sigevent
*target_sevp
;
6120 if (!lock_user_struct(VERIFY_READ
, target_sevp
, target_addr
, 1)) {
6121 return -TARGET_EFAULT
;
6124 /* This union is awkward on 64 bit systems because it has a 32 bit
6125 * integer and a pointer in it; we follow the conversion approach
6126 * used for handling sigval types in signal.c so the guest should get
6127 * the correct value back even if we did a 64 bit byteswap and it's
6128 * using the 32 bit integer.
6130 host_sevp
->sigev_value
.sival_ptr
=
6131 (void *)(uintptr_t)tswapal(target_sevp
->sigev_value
.sival_ptr
);
6132 host_sevp
->sigev_signo
=
6133 target_to_host_signal(tswap32(target_sevp
->sigev_signo
));
6134 host_sevp
->sigev_notify
= tswap32(target_sevp
->sigev_notify
);
6135 host_sevp
->_sigev_un
._tid
= tswap32(target_sevp
->_sigev_un
._tid
);
6137 unlock_user_struct(target_sevp
, target_addr
, 1);
6141 #if defined(TARGET_NR_mlockall)
6142 static inline int target_to_host_mlockall_arg(int arg
)
6146 if (arg
& TARGET_MLOCKALL_MCL_CURRENT
) {
6147 result
|= MCL_CURRENT
;
6149 if (arg
& TARGET_MLOCKALL_MCL_FUTURE
) {
6150 result
|= MCL_FUTURE
;
6156 static inline abi_long
host_to_target_stat64(void *cpu_env
,
6157 abi_ulong target_addr
,
6158 struct stat
*host_st
)
6160 #if defined(TARGET_ARM) && defined(TARGET_ABI32)
6161 if (((CPUARMState
*)cpu_env
)->eabi
) {
6162 struct target_eabi_stat64
*target_st
;
6164 if (!lock_user_struct(VERIFY_WRITE
, target_st
, target_addr
, 0))
6165 return -TARGET_EFAULT
;
6166 memset(target_st
, 0, sizeof(struct target_eabi_stat64
));
6167 __put_user(host_st
->st_dev
, &target_st
->st_dev
);
6168 __put_user(host_st
->st_ino
, &target_st
->st_ino
);
6169 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
6170 __put_user(host_st
->st_ino
, &target_st
->__st_ino
);
6172 __put_user(host_st
->st_mode
, &target_st
->st_mode
);
6173 __put_user(host_st
->st_nlink
, &target_st
->st_nlink
);
6174 __put_user(host_st
->st_uid
, &target_st
->st_uid
);
6175 __put_user(host_st
->st_gid
, &target_st
->st_gid
);
6176 __put_user(host_st
->st_rdev
, &target_st
->st_rdev
);
6177 __put_user(host_st
->st_size
, &target_st
->st_size
);
6178 __put_user(host_st
->st_blksize
, &target_st
->st_blksize
);
6179 __put_user(host_st
->st_blocks
, &target_st
->st_blocks
);
6180 __put_user(host_st
->st_atime
, &target_st
->target_st_atime
);
6181 __put_user(host_st
->st_mtime
, &target_st
->target_st_mtime
);
6182 __put_user(host_st
->st_ctime
, &target_st
->target_st_ctime
);
6183 unlock_user_struct(target_st
, target_addr
, 1);
6187 #if defined(TARGET_HAS_STRUCT_STAT64)
6188 struct target_stat64
*target_st
;
6190 struct target_stat
*target_st
;
6193 if (!lock_user_struct(VERIFY_WRITE
, target_st
, target_addr
, 0))
6194 return -TARGET_EFAULT
;
6195 memset(target_st
, 0, sizeof(*target_st
));
6196 __put_user(host_st
->st_dev
, &target_st
->st_dev
);
6197 __put_user(host_st
->st_ino
, &target_st
->st_ino
);
6198 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
6199 __put_user(host_st
->st_ino
, &target_st
->__st_ino
);
6201 __put_user(host_st
->st_mode
, &target_st
->st_mode
);
6202 __put_user(host_st
->st_nlink
, &target_st
->st_nlink
);
6203 __put_user(host_st
->st_uid
, &target_st
->st_uid
);
6204 __put_user(host_st
->st_gid
, &target_st
->st_gid
);
6205 __put_user(host_st
->st_rdev
, &target_st
->st_rdev
);
6206 /* XXX: better use of kernel struct */
6207 __put_user(host_st
->st_size
, &target_st
->st_size
);
6208 __put_user(host_st
->st_blksize
, &target_st
->st_blksize
);
6209 __put_user(host_st
->st_blocks
, &target_st
->st_blocks
);
6210 __put_user(host_st
->st_atime
, &target_st
->target_st_atime
);
6211 __put_user(host_st
->st_mtime
, &target_st
->target_st_mtime
);
6212 __put_user(host_st
->st_ctime
, &target_st
->target_st_ctime
);
6213 unlock_user_struct(target_st
, target_addr
, 1);
6219 /* ??? Using host futex calls even when target atomic operations
6220 are not really atomic probably breaks things. However implementing
6221 futexes locally would make futexes shared between multiple processes
6222 tricky. However they're probably useless because guest atomic
6223 operations won't work either. */
6224 static int do_futex(target_ulong uaddr
, int op
, int val
, target_ulong timeout
,
6225 target_ulong uaddr2
, int val3
)
6227 struct timespec ts
, *pts
;
6230 /* ??? We assume FUTEX_* constants are the same on both host
6232 #ifdef FUTEX_CMD_MASK
6233 base_op
= op
& FUTEX_CMD_MASK
;
6239 case FUTEX_WAIT_BITSET
:
6242 target_to_host_timespec(pts
, timeout
);
6246 return get_errno(safe_futex(g2h(uaddr
), op
, tswap32(val
),
6249 return get_errno(safe_futex(g2h(uaddr
), op
, val
, NULL
, NULL
, 0));
6251 return get_errno(safe_futex(g2h(uaddr
), op
, val
, NULL
, NULL
, 0));
6253 case FUTEX_CMP_REQUEUE
:
6255 /* For FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, and FUTEX_WAKE_OP, the
6256 TIMEOUT parameter is interpreted as a uint32_t by the kernel.
6257 But the prototype takes a `struct timespec *'; insert casts
6258 to satisfy the compiler. We do not need to tswap TIMEOUT
6259 since it's not compared to guest memory. */
6260 pts
= (struct timespec
*)(uintptr_t) timeout
;
6261 return get_errno(safe_futex(g2h(uaddr
), op
, val
, pts
,
6263 (base_op
== FUTEX_CMP_REQUEUE
6267 return -TARGET_ENOSYS
;
6270 #if defined(TARGET_NR_name_to_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
6271 static abi_long
do_name_to_handle_at(abi_long dirfd
, abi_long pathname
,
6272 abi_long handle
, abi_long mount_id
,
6275 struct file_handle
*target_fh
;
6276 struct file_handle
*fh
;
6280 unsigned int size
, total_size
;
6282 if (get_user_s32(size
, handle
)) {
6283 return -TARGET_EFAULT
;
6286 name
= lock_user_string(pathname
);
6288 return -TARGET_EFAULT
;
6291 total_size
= sizeof(struct file_handle
) + size
;
6292 target_fh
= lock_user(VERIFY_WRITE
, handle
, total_size
, 0);
6294 unlock_user(name
, pathname
, 0);
6295 return -TARGET_EFAULT
;
6298 fh
= g_malloc0(total_size
);
6299 fh
->handle_bytes
= size
;
6301 ret
= get_errno(name_to_handle_at(dirfd
, path(name
), fh
, &mid
, flags
));
6302 unlock_user(name
, pathname
, 0);
6304 /* man name_to_handle_at(2):
6305 * Other than the use of the handle_bytes field, the caller should treat
6306 * the file_handle structure as an opaque data type
6309 memcpy(target_fh
, fh
, total_size
);
6310 target_fh
->handle_bytes
= tswap32(fh
->handle_bytes
);
6311 target_fh
->handle_type
= tswap32(fh
->handle_type
);
6313 unlock_user(target_fh
, handle
, total_size
);
6315 if (put_user_s32(mid
, mount_id
)) {
6316 return -TARGET_EFAULT
;
6324 #if defined(TARGET_NR_open_by_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
6325 static abi_long
do_open_by_handle_at(abi_long mount_fd
, abi_long handle
,
6328 struct file_handle
*target_fh
;
6329 struct file_handle
*fh
;
6330 unsigned int size
, total_size
;
6333 if (get_user_s32(size
, handle
)) {
6334 return -TARGET_EFAULT
;
6337 total_size
= sizeof(struct file_handle
) + size
;
6338 target_fh
= lock_user(VERIFY_READ
, handle
, total_size
, 1);
6340 return -TARGET_EFAULT
;
6343 fh
= g_memdup(target_fh
, total_size
);
6344 fh
->handle_bytes
= size
;
6345 fh
->handle_type
= tswap32(target_fh
->handle_type
);
6347 ret
= get_errno(open_by_handle_at(mount_fd
, fh
,
6348 target_to_host_bitmask(flags
, fcntl_flags_tbl
)));
6352 unlock_user(target_fh
, handle
, total_size
);
6358 #if defined(TARGET_NR_signalfd) || defined(TARGET_NR_signalfd4)
6360 /* signalfd siginfo conversion */
6363 host_to_target_signalfd_siginfo(struct signalfd_siginfo
*tinfo
,
6364 const struct signalfd_siginfo
*info
)
6366 int sig
= host_to_target_signal(info
->ssi_signo
);
6368 /* linux/signalfd.h defines a ssi_addr_lsb
6369 * not defined in sys/signalfd.h but used by some kernels
6372 #ifdef BUS_MCEERR_AO
6373 if (tinfo
->ssi_signo
== SIGBUS
&&
6374 (tinfo
->ssi_code
== BUS_MCEERR_AR
||
6375 tinfo
->ssi_code
== BUS_MCEERR_AO
)) {
6376 uint16_t *ssi_addr_lsb
= (uint16_t *)(&info
->ssi_addr
+ 1);
6377 uint16_t *tssi_addr_lsb
= (uint16_t *)(&tinfo
->ssi_addr
+ 1);
6378 *tssi_addr_lsb
= tswap16(*ssi_addr_lsb
);
6382 tinfo
->ssi_signo
= tswap32(sig
);
6383 tinfo
->ssi_errno
= tswap32(tinfo
->ssi_errno
);
6384 tinfo
->ssi_code
= tswap32(info
->ssi_code
);
6385 tinfo
->ssi_pid
= tswap32(info
->ssi_pid
);
6386 tinfo
->ssi_uid
= tswap32(info
->ssi_uid
);
6387 tinfo
->ssi_fd
= tswap32(info
->ssi_fd
);
6388 tinfo
->ssi_tid
= tswap32(info
->ssi_tid
);
6389 tinfo
->ssi_band
= tswap32(info
->ssi_band
);
6390 tinfo
->ssi_overrun
= tswap32(info
->ssi_overrun
);
6391 tinfo
->ssi_trapno
= tswap32(info
->ssi_trapno
);
6392 tinfo
->ssi_status
= tswap32(info
->ssi_status
);
6393 tinfo
->ssi_int
= tswap32(info
->ssi_int
);
6394 tinfo
->ssi_ptr
= tswap64(info
->ssi_ptr
);
6395 tinfo
->ssi_utime
= tswap64(info
->ssi_utime
);
6396 tinfo
->ssi_stime
= tswap64(info
->ssi_stime
);
6397 tinfo
->ssi_addr
= tswap64(info
->ssi_addr
);
6400 static abi_long
host_to_target_data_signalfd(void *buf
, size_t len
)
6404 for (i
= 0; i
< len
; i
+= sizeof(struct signalfd_siginfo
)) {
6405 host_to_target_signalfd_siginfo(buf
+ i
, buf
+ i
);
6411 static TargetFdTrans target_signalfd_trans
= {
6412 .host_to_target_data
= host_to_target_data_signalfd
,
6415 static abi_long
do_signalfd4(int fd
, abi_long mask
, int flags
)
6418 target_sigset_t
*target_mask
;
6422 if (flags
& ~(TARGET_O_NONBLOCK
| TARGET_O_CLOEXEC
)) {
6423 return -TARGET_EINVAL
;
6425 if (!lock_user_struct(VERIFY_READ
, target_mask
, mask
, 1)) {
6426 return -TARGET_EFAULT
;
6429 target_to_host_sigset(&host_mask
, target_mask
);
6431 host_flags
= target_to_host_bitmask(flags
, fcntl_flags_tbl
);
6433 ret
= get_errno(signalfd(fd
, &host_mask
, host_flags
));
6435 fd_trans_register(ret
, &target_signalfd_trans
);
6438 unlock_user_struct(target_mask
, mask
, 0);
6444 /* Map host to target signal numbers for the wait family of syscalls.
6445 Assume all other status bits are the same. */
6446 int host_to_target_waitstatus(int status
)
6448 if (WIFSIGNALED(status
)) {
6449 return host_to_target_signal(WTERMSIG(status
)) | (status
& ~0x7f);
6451 if (WIFSTOPPED(status
)) {
6452 return (host_to_target_signal(WSTOPSIG(status
)) << 8)
6458 static int open_self_cmdline(void *cpu_env
, int fd
)
6461 bool word_skipped
= false;
6463 fd_orig
= open("/proc/self/cmdline", O_RDONLY
);
6473 nb_read
= read(fd_orig
, buf
, sizeof(buf
));
6476 fd_orig
= close(fd_orig
);
6479 } else if (nb_read
== 0) {
6483 if (!word_skipped
) {
6484 /* Skip the first string, which is the path to qemu-*-static
6485 instead of the actual command. */
6486 cp_buf
= memchr(buf
, 0, sizeof(buf
));
6488 /* Null byte found, skip one string */
6490 nb_read
-= cp_buf
- buf
;
6491 word_skipped
= true;
6496 if (write(fd
, cp_buf
, nb_read
) != nb_read
) {
6505 return close(fd_orig
);
6508 static int open_self_maps(void *cpu_env
, int fd
)
6510 CPUState
*cpu
= ENV_GET_CPU((CPUArchState
*)cpu_env
);
6511 TaskState
*ts
= cpu
->opaque
;
6517 fp
= fopen("/proc/self/maps", "r");
6522 while ((read
= getline(&line
, &len
, fp
)) != -1) {
6523 int fields
, dev_maj
, dev_min
, inode
;
6524 uint64_t min
, max
, offset
;
6525 char flag_r
, flag_w
, flag_x
, flag_p
;
6526 char path
[512] = "";
6527 fields
= sscanf(line
, "%"PRIx64
"-%"PRIx64
" %c%c%c%c %"PRIx64
" %x:%x %d"
6528 " %512s", &min
, &max
, &flag_r
, &flag_w
, &flag_x
,
6529 &flag_p
, &offset
, &dev_maj
, &dev_min
, &inode
, path
);
6531 if ((fields
< 10) || (fields
> 11)) {
6534 if (h2g_valid(min
)) {
6535 int flags
= page_get_flags(h2g(min
));
6536 max
= h2g_valid(max
- 1) ? max
: (uintptr_t)g2h(GUEST_ADDR_MAX
);
6537 if (page_check_range(h2g(min
), max
- min
, flags
) == -1) {
6540 if (h2g(min
) == ts
->info
->stack_limit
) {
6541 pstrcpy(path
, sizeof(path
), " [stack]");
6543 dprintf(fd
, TARGET_ABI_FMT_lx
"-" TARGET_ABI_FMT_lx
6544 " %c%c%c%c %08" PRIx64
" %02x:%02x %d %s%s\n",
6545 h2g(min
), h2g(max
- 1) + 1, flag_r
, flag_w
,
6546 flag_x
, flag_p
, offset
, dev_maj
, dev_min
, inode
,
6547 path
[0] ? " " : "", path
);
6557 static int open_self_stat(void *cpu_env
, int fd
)
6559 CPUState
*cpu
= ENV_GET_CPU((CPUArchState
*)cpu_env
);
6560 TaskState
*ts
= cpu
->opaque
;
6561 abi_ulong start_stack
= ts
->info
->start_stack
;
6564 for (i
= 0; i
< 44; i
++) {
6572 snprintf(buf
, sizeof(buf
), "%"PRId64
" ", val
);
6573 } else if (i
== 1) {
6575 snprintf(buf
, sizeof(buf
), "(%s) ", ts
->bprm
->argv
[0]);
6576 } else if (i
== 27) {
6579 snprintf(buf
, sizeof(buf
), "%"PRId64
" ", val
);
6581 /* for the rest, there is MasterCard */
6582 snprintf(buf
, sizeof(buf
), "0%c", i
== 43 ? '\n' : ' ');
6586 if (write(fd
, buf
, len
) != len
) {
6594 static int open_self_auxv(void *cpu_env
, int fd
)
6596 CPUState
*cpu
= ENV_GET_CPU((CPUArchState
*)cpu_env
);
6597 TaskState
*ts
= cpu
->opaque
;
6598 abi_ulong auxv
= ts
->info
->saved_auxv
;
6599 abi_ulong len
= ts
->info
->auxv_len
;
6603 * Auxiliary vector is stored in target process stack.
6604 * read in whole auxv vector and copy it to file
6606 ptr
= lock_user(VERIFY_READ
, auxv
, len
, 0);
6610 r
= write(fd
, ptr
, len
);
6617 lseek(fd
, 0, SEEK_SET
);
6618 unlock_user(ptr
, auxv
, len
);
6624 static int is_proc_myself(const char *filename
, const char *entry
)
6626 if (!strncmp(filename
, "/proc/", strlen("/proc/"))) {
6627 filename
+= strlen("/proc/");
6628 if (!strncmp(filename
, "self/", strlen("self/"))) {
6629 filename
+= strlen("self/");
6630 } else if (*filename
>= '1' && *filename
<= '9') {
6632 snprintf(myself
, sizeof(myself
), "%d/", getpid());
6633 if (!strncmp(filename
, myself
, strlen(myself
))) {
6634 filename
+= strlen(myself
);
6641 if (!strcmp(filename
, entry
)) {
6648 #if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN)
6649 static int is_proc(const char *filename
, const char *entry
)
6651 return strcmp(filename
, entry
) == 0;
6654 static int open_net_route(void *cpu_env
, int fd
)
6661 fp
= fopen("/proc/net/route", "r");
6668 read
= getline(&line
, &len
, fp
);
6669 dprintf(fd
, "%s", line
);
6673 while ((read
= getline(&line
, &len
, fp
)) != -1) {
6675 uint32_t dest
, gw
, mask
;
6676 unsigned int flags
, refcnt
, use
, metric
, mtu
, window
, irtt
;
6677 sscanf(line
, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n",
6678 iface
, &dest
, &gw
, &flags
, &refcnt
, &use
, &metric
,
6679 &mask
, &mtu
, &window
, &irtt
);
6680 dprintf(fd
, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n",
6681 iface
, tswap32(dest
), tswap32(gw
), flags
, refcnt
, use
,
6682 metric
, tswap32(mask
), mtu
, window
, irtt
);
6692 static int do_openat(void *cpu_env
, int dirfd
, const char *pathname
, int flags
, mode_t mode
)
6695 const char *filename
;
6696 int (*fill
)(void *cpu_env
, int fd
);
6697 int (*cmp
)(const char *s1
, const char *s2
);
6699 const struct fake_open
*fake_open
;
6700 static const struct fake_open fakes
[] = {
6701 { "maps", open_self_maps
, is_proc_myself
},
6702 { "stat", open_self_stat
, is_proc_myself
},
6703 { "auxv", open_self_auxv
, is_proc_myself
},
6704 { "cmdline", open_self_cmdline
, is_proc_myself
},
6705 #if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN)
6706 { "/proc/net/route", open_net_route
, is_proc
},
6708 { NULL
, NULL
, NULL
}
6711 if (is_proc_myself(pathname
, "exe")) {
6712 int execfd
= qemu_getauxval(AT_EXECFD
);
6713 return execfd
? execfd
: safe_openat(dirfd
, exec_path
, flags
, mode
);
6716 for (fake_open
= fakes
; fake_open
->filename
; fake_open
++) {
6717 if (fake_open
->cmp(pathname
, fake_open
->filename
)) {
6722 if (fake_open
->filename
) {
6724 char filename
[PATH_MAX
];
6727 /* create temporary file to map stat to */
6728 tmpdir
= getenv("TMPDIR");
6731 snprintf(filename
, sizeof(filename
), "%s/qemu-open.XXXXXX", tmpdir
);
6732 fd
= mkstemp(filename
);
6738 if ((r
= fake_open
->fill(cpu_env
, fd
))) {
6744 lseek(fd
, 0, SEEK_SET
);
6749 return safe_openat(dirfd
, path(pathname
), flags
, mode
);
6752 #define TIMER_MAGIC 0x0caf0000
6753 #define TIMER_MAGIC_MASK 0xffff0000
6755 /* Convert QEMU provided timer ID back to internal 16bit index format */
6756 static target_timer_t
get_timer_id(abi_long arg
)
6758 target_timer_t timerid
= arg
;
6760 if ((timerid
& TIMER_MAGIC_MASK
) != TIMER_MAGIC
) {
6761 return -TARGET_EINVAL
;
6766 if (timerid
>= ARRAY_SIZE(g_posix_timers
)) {
6767 return -TARGET_EINVAL
;
6773 /* do_syscall() should always have a single exit point at the end so
6774 that actions, such as logging of syscall results, can be performed.
6775 All errnos that do_syscall() returns must be -TARGET_<errcode>. */
6776 abi_long
do_syscall(void *cpu_env
, int num
, abi_long arg1
,
6777 abi_long arg2
, abi_long arg3
, abi_long arg4
,
6778 abi_long arg5
, abi_long arg6
, abi_long arg7
,
6781 CPUState
*cpu
= ENV_GET_CPU(cpu_env
);
6787 #if defined(DEBUG_ERESTARTSYS)
6788 /* Debug-only code for exercising the syscall-restart code paths
6789 * in the per-architecture cpu main loops: restart every syscall
6790 * the guest makes once before letting it through.
6797 return -TARGET_ERESTARTSYS
;
6803 gemu_log("syscall %d", num
);
6805 trace_guest_user_syscall(cpu
, num
, arg1
, arg2
, arg3
, arg4
, arg5
, arg6
, arg7
, arg8
);
6807 print_syscall(num
, arg1
, arg2
, arg3
, arg4
, arg5
, arg6
);
6810 case TARGET_NR_exit
:
6811 /* In old applications this may be used to implement _exit(2).
6812 However in threaded applictions it is used for thread termination,
6813 and _exit_group is used for application termination.
6814 Do thread termination if we have more then one thread. */
6816 if (block_signals()) {
6817 ret
= -TARGET_ERESTARTSYS
;
6821 if (CPU_NEXT(first_cpu
)) {
6825 /* Remove the CPU from the list. */
6826 QTAILQ_REMOVE(&cpus
, cpu
, node
);
6829 if (ts
->child_tidptr
) {
6830 put_user_u32(0, ts
->child_tidptr
);
6831 sys_futex(g2h(ts
->child_tidptr
), FUTEX_WAKE
, INT_MAX
,
6835 object_unref(OBJECT(cpu
));
6837 rcu_unregister_thread();
6843 gdb_exit(cpu_env
, arg1
);
6845 ret
= 0; /* avoid warning */
6847 case TARGET_NR_read
:
6851 if (!(p
= lock_user(VERIFY_WRITE
, arg2
, arg3
, 0)))
6853 ret
= get_errno(safe_read(arg1
, p
, arg3
));
6855 fd_trans_host_to_target_data(arg1
)) {
6856 ret
= fd_trans_host_to_target_data(arg1
)(p
, ret
);
6858 unlock_user(p
, arg2
, ret
);
6861 case TARGET_NR_write
:
6862 if (!(p
= lock_user(VERIFY_READ
, arg2
, arg3
, 1)))
6864 ret
= get_errno(safe_write(arg1
, p
, arg3
));
6865 unlock_user(p
, arg2
, 0);
6867 #ifdef TARGET_NR_open
6868 case TARGET_NR_open
:
6869 if (!(p
= lock_user_string(arg1
)))
6871 ret
= get_errno(do_openat(cpu_env
, AT_FDCWD
, p
,
6872 target_to_host_bitmask(arg2
, fcntl_flags_tbl
),
6874 fd_trans_unregister(ret
);
6875 unlock_user(p
, arg1
, 0);
6878 case TARGET_NR_openat
:
6879 if (!(p
= lock_user_string(arg2
)))
6881 ret
= get_errno(do_openat(cpu_env
, arg1
, p
,
6882 target_to_host_bitmask(arg3
, fcntl_flags_tbl
),
6884 fd_trans_unregister(ret
);
6885 unlock_user(p
, arg2
, 0);
6887 #if defined(TARGET_NR_name_to_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
6888 case TARGET_NR_name_to_handle_at
:
6889 ret
= do_name_to_handle_at(arg1
, arg2
, arg3
, arg4
, arg5
);
6892 #if defined(TARGET_NR_open_by_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
6893 case TARGET_NR_open_by_handle_at
:
6894 ret
= do_open_by_handle_at(arg1
, arg2
, arg3
);
6895 fd_trans_unregister(ret
);
6898 case TARGET_NR_close
:
6899 fd_trans_unregister(arg1
);
6900 ret
= get_errno(close(arg1
));
6905 #ifdef TARGET_NR_fork
6906 case TARGET_NR_fork
:
6907 ret
= get_errno(do_fork(cpu_env
, SIGCHLD
, 0, 0, 0, 0));
6910 #ifdef TARGET_NR_waitpid
6911 case TARGET_NR_waitpid
:
6914 ret
= get_errno(safe_wait4(arg1
, &status
, arg3
, 0));
6915 if (!is_error(ret
) && arg2
&& ret
6916 && put_user_s32(host_to_target_waitstatus(status
), arg2
))
6921 #ifdef TARGET_NR_waitid
6922 case TARGET_NR_waitid
:
6926 ret
= get_errno(safe_waitid(arg1
, arg2
, &info
, arg4
, NULL
));
6927 if (!is_error(ret
) && arg3
&& info
.si_pid
!= 0) {
6928 if (!(p
= lock_user(VERIFY_WRITE
, arg3
, sizeof(target_siginfo_t
), 0)))
6930 host_to_target_siginfo(p
, &info
);
6931 unlock_user(p
, arg3
, sizeof(target_siginfo_t
));
6936 #ifdef TARGET_NR_creat /* not on alpha */
6937 case TARGET_NR_creat
:
6938 if (!(p
= lock_user_string(arg1
)))
6940 ret
= get_errno(creat(p
, arg2
));
6941 fd_trans_unregister(ret
);
6942 unlock_user(p
, arg1
, 0);
6945 #ifdef TARGET_NR_link
6946 case TARGET_NR_link
:
6949 p
= lock_user_string(arg1
);
6950 p2
= lock_user_string(arg2
);
6952 ret
= -TARGET_EFAULT
;
6954 ret
= get_errno(link(p
, p2
));
6955 unlock_user(p2
, arg2
, 0);
6956 unlock_user(p
, arg1
, 0);
6960 #if defined(TARGET_NR_linkat)
6961 case TARGET_NR_linkat
:
6966 p
= lock_user_string(arg2
);
6967 p2
= lock_user_string(arg4
);
6969 ret
= -TARGET_EFAULT
;
6971 ret
= get_errno(linkat(arg1
, p
, arg3
, p2
, arg5
));
6972 unlock_user(p
, arg2
, 0);
6973 unlock_user(p2
, arg4
, 0);
6977 #ifdef TARGET_NR_unlink
6978 case TARGET_NR_unlink
:
6979 if (!(p
= lock_user_string(arg1
)))
6981 ret
= get_errno(unlink(p
));
6982 unlock_user(p
, arg1
, 0);
6985 #if defined(TARGET_NR_unlinkat)
6986 case TARGET_NR_unlinkat
:
6987 if (!(p
= lock_user_string(arg2
)))
6989 ret
= get_errno(unlinkat(arg1
, p
, arg3
));
6990 unlock_user(p
, arg2
, 0);
6993 case TARGET_NR_execve
:
6995 char **argp
, **envp
;
6998 abi_ulong guest_argp
;
6999 abi_ulong guest_envp
;
7006 for (gp
= guest_argp
; gp
; gp
+= sizeof(abi_ulong
)) {
7007 if (get_user_ual(addr
, gp
))
7015 for (gp
= guest_envp
; gp
; gp
+= sizeof(abi_ulong
)) {
7016 if (get_user_ual(addr
, gp
))
7023 argp
= alloca((argc
+ 1) * sizeof(void *));
7024 envp
= alloca((envc
+ 1) * sizeof(void *));
7026 for (gp
= guest_argp
, q
= argp
; gp
;
7027 gp
+= sizeof(abi_ulong
), q
++) {
7028 if (get_user_ual(addr
, gp
))
7032 if (!(*q
= lock_user_string(addr
)))
7034 total_size
+= strlen(*q
) + 1;
7038 for (gp
= guest_envp
, q
= envp
; gp
;
7039 gp
+= sizeof(abi_ulong
), q
++) {
7040 if (get_user_ual(addr
, gp
))
7044 if (!(*q
= lock_user_string(addr
)))
7046 total_size
+= strlen(*q
) + 1;
7050 if (!(p
= lock_user_string(arg1
)))
7052 /* Although execve() is not an interruptible syscall it is
7053 * a special case where we must use the safe_syscall wrapper:
7054 * if we allow a signal to happen before we make the host
7055 * syscall then we will 'lose' it, because at the point of
7056 * execve the process leaves QEMU's control. So we use the
7057 * safe syscall wrapper to ensure that we either take the
7058 * signal as a guest signal, or else it does not happen
7059 * before the execve completes and makes it the other
7060 * program's problem.
7062 ret
= get_errno(safe_execve(p
, argp
, envp
));
7063 unlock_user(p
, arg1
, 0);
7068 ret
= -TARGET_EFAULT
;
7071 for (gp
= guest_argp
, q
= argp
; *q
;
7072 gp
+= sizeof(abi_ulong
), q
++) {
7073 if (get_user_ual(addr
, gp
)
7076 unlock_user(*q
, addr
, 0);
7078 for (gp
= guest_envp
, q
= envp
; *q
;
7079 gp
+= sizeof(abi_ulong
), q
++) {
7080 if (get_user_ual(addr
, gp
)
7083 unlock_user(*q
, addr
, 0);
7087 case TARGET_NR_chdir
:
7088 if (!(p
= lock_user_string(arg1
)))
7090 ret
= get_errno(chdir(p
));
7091 unlock_user(p
, arg1
, 0);
7093 #ifdef TARGET_NR_time
7094 case TARGET_NR_time
:
7097 ret
= get_errno(time(&host_time
));
7100 && put_user_sal(host_time
, arg1
))
7105 #ifdef TARGET_NR_mknod
7106 case TARGET_NR_mknod
:
7107 if (!(p
= lock_user_string(arg1
)))
7109 ret
= get_errno(mknod(p
, arg2
, arg3
));
7110 unlock_user(p
, arg1
, 0);
7113 #if defined(TARGET_NR_mknodat)
7114 case TARGET_NR_mknodat
:
7115 if (!(p
= lock_user_string(arg2
)))
7117 ret
= get_errno(mknodat(arg1
, p
, arg3
, arg4
));
7118 unlock_user(p
, arg2
, 0);
7121 #ifdef TARGET_NR_chmod
7122 case TARGET_NR_chmod
:
7123 if (!(p
= lock_user_string(arg1
)))
7125 ret
= get_errno(chmod(p
, arg2
));
7126 unlock_user(p
, arg1
, 0);
7129 #ifdef TARGET_NR_break
7130 case TARGET_NR_break
:
7133 #ifdef TARGET_NR_oldstat
7134 case TARGET_NR_oldstat
:
7137 case TARGET_NR_lseek
:
7138 ret
= get_errno(lseek(arg1
, arg2
, arg3
));
7140 #if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA)
7141 /* Alpha specific */
7142 case TARGET_NR_getxpid
:
7143 ((CPUAlphaState
*)cpu_env
)->ir
[IR_A4
] = getppid();
7144 ret
= get_errno(getpid());
7147 #ifdef TARGET_NR_getpid
7148 case TARGET_NR_getpid
:
7149 ret
= get_errno(getpid());
7152 case TARGET_NR_mount
:
7154 /* need to look at the data field */
7158 p
= lock_user_string(arg1
);
7166 p2
= lock_user_string(arg2
);
7169 unlock_user(p
, arg1
, 0);
7175 p3
= lock_user_string(arg3
);
7178 unlock_user(p
, arg1
, 0);
7180 unlock_user(p2
, arg2
, 0);
7187 /* FIXME - arg5 should be locked, but it isn't clear how to
7188 * do that since it's not guaranteed to be a NULL-terminated
7192 ret
= mount(p
, p2
, p3
, (unsigned long)arg4
, NULL
);
7194 ret
= mount(p
, p2
, p3
, (unsigned long)arg4
, g2h(arg5
));
7196 ret
= get_errno(ret
);
7199 unlock_user(p
, arg1
, 0);
7201 unlock_user(p2
, arg2
, 0);
7203 unlock_user(p3
, arg3
, 0);
7207 #ifdef TARGET_NR_umount
7208 case TARGET_NR_umount
:
7209 if (!(p
= lock_user_string(arg1
)))
7211 ret
= get_errno(umount(p
));
7212 unlock_user(p
, arg1
, 0);
7215 #ifdef TARGET_NR_stime /* not on alpha */
7216 case TARGET_NR_stime
:
7219 if (get_user_sal(host_time
, arg1
))
7221 ret
= get_errno(stime(&host_time
));
7225 case TARGET_NR_ptrace
:
7227 #ifdef TARGET_NR_alarm /* not on alpha */
7228 case TARGET_NR_alarm
:
7232 #ifdef TARGET_NR_oldfstat
7233 case TARGET_NR_oldfstat
:
7236 #ifdef TARGET_NR_pause /* not on alpha */
7237 case TARGET_NR_pause
:
7238 if (!block_signals()) {
7239 sigsuspend(&((TaskState
*)cpu
->opaque
)->signal_mask
);
7241 ret
= -TARGET_EINTR
;
7244 #ifdef TARGET_NR_utime
7245 case TARGET_NR_utime
:
7247 struct utimbuf tbuf
, *host_tbuf
;
7248 struct target_utimbuf
*target_tbuf
;
7250 if (!lock_user_struct(VERIFY_READ
, target_tbuf
, arg2
, 1))
7252 tbuf
.actime
= tswapal(target_tbuf
->actime
);
7253 tbuf
.modtime
= tswapal(target_tbuf
->modtime
);
7254 unlock_user_struct(target_tbuf
, arg2
, 0);
7259 if (!(p
= lock_user_string(arg1
)))
7261 ret
= get_errno(utime(p
, host_tbuf
));
7262 unlock_user(p
, arg1
, 0);
7266 #ifdef TARGET_NR_utimes
7267 case TARGET_NR_utimes
:
7269 struct timeval
*tvp
, tv
[2];
7271 if (copy_from_user_timeval(&tv
[0], arg2
)
7272 || copy_from_user_timeval(&tv
[1],
7273 arg2
+ sizeof(struct target_timeval
)))
7279 if (!(p
= lock_user_string(arg1
)))
7281 ret
= get_errno(utimes(p
, tvp
));
7282 unlock_user(p
, arg1
, 0);
7286 #if defined(TARGET_NR_futimesat)
7287 case TARGET_NR_futimesat
:
7289 struct timeval
*tvp
, tv
[2];
7291 if (copy_from_user_timeval(&tv
[0], arg3
)
7292 || copy_from_user_timeval(&tv
[1],
7293 arg3
+ sizeof(struct target_timeval
)))
7299 if (!(p
= lock_user_string(arg2
)))
7301 ret
= get_errno(futimesat(arg1
, path(p
), tvp
));
7302 unlock_user(p
, arg2
, 0);
7306 #ifdef TARGET_NR_stty
7307 case TARGET_NR_stty
:
7310 #ifdef TARGET_NR_gtty
7311 case TARGET_NR_gtty
:
7314 #ifdef TARGET_NR_access
7315 case TARGET_NR_access
:
7316 if (!(p
= lock_user_string(arg1
)))
7318 ret
= get_errno(access(path(p
), arg2
));
7319 unlock_user(p
, arg1
, 0);
7322 #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
7323 case TARGET_NR_faccessat
:
7324 if (!(p
= lock_user_string(arg2
)))
7326 ret
= get_errno(faccessat(arg1
, p
, arg3
, 0));
7327 unlock_user(p
, arg2
, 0);
7330 #ifdef TARGET_NR_nice /* not on alpha */
7331 case TARGET_NR_nice
:
7332 ret
= get_errno(nice(arg1
));
7335 #ifdef TARGET_NR_ftime
7336 case TARGET_NR_ftime
:
7339 case TARGET_NR_sync
:
7343 case TARGET_NR_kill
:
7344 ret
= get_errno(safe_kill(arg1
, target_to_host_signal(arg2
)));
7346 #ifdef TARGET_NR_rename
7347 case TARGET_NR_rename
:
7350 p
= lock_user_string(arg1
);
7351 p2
= lock_user_string(arg2
);
7353 ret
= -TARGET_EFAULT
;
7355 ret
= get_errno(rename(p
, p2
));
7356 unlock_user(p2
, arg2
, 0);
7357 unlock_user(p
, arg1
, 0);
7361 #if defined(TARGET_NR_renameat)
7362 case TARGET_NR_renameat
:
7365 p
= lock_user_string(arg2
);
7366 p2
= lock_user_string(arg4
);
7368 ret
= -TARGET_EFAULT
;
7370 ret
= get_errno(renameat(arg1
, p
, arg3
, p2
));
7371 unlock_user(p2
, arg4
, 0);
7372 unlock_user(p
, arg2
, 0);
7376 #ifdef TARGET_NR_mkdir
7377 case TARGET_NR_mkdir
:
7378 if (!(p
= lock_user_string(arg1
)))
7380 ret
= get_errno(mkdir(p
, arg2
));
7381 unlock_user(p
, arg1
, 0);
7384 #if defined(TARGET_NR_mkdirat)
7385 case TARGET_NR_mkdirat
:
7386 if (!(p
= lock_user_string(arg2
)))
7388 ret
= get_errno(mkdirat(arg1
, p
, arg3
));
7389 unlock_user(p
, arg2
, 0);
7392 #ifdef TARGET_NR_rmdir
7393 case TARGET_NR_rmdir
:
7394 if (!(p
= lock_user_string(arg1
)))
7396 ret
= get_errno(rmdir(p
));
7397 unlock_user(p
, arg1
, 0);
7401 ret
= get_errno(dup(arg1
));
7403 fd_trans_dup(arg1
, ret
);
7406 #ifdef TARGET_NR_pipe
7407 case TARGET_NR_pipe
:
7408 ret
= do_pipe(cpu_env
, arg1
, 0, 0);
7411 #ifdef TARGET_NR_pipe2
7412 case TARGET_NR_pipe2
:
7413 ret
= do_pipe(cpu_env
, arg1
,
7414 target_to_host_bitmask(arg2
, fcntl_flags_tbl
), 1);
7417 case TARGET_NR_times
:
7419 struct target_tms
*tmsp
;
7421 ret
= get_errno(times(&tms
));
7423 tmsp
= lock_user(VERIFY_WRITE
, arg1
, sizeof(struct target_tms
), 0);
7426 tmsp
->tms_utime
= tswapal(host_to_target_clock_t(tms
.tms_utime
));
7427 tmsp
->tms_stime
= tswapal(host_to_target_clock_t(tms
.tms_stime
));
7428 tmsp
->tms_cutime
= tswapal(host_to_target_clock_t(tms
.tms_cutime
));
7429 tmsp
->tms_cstime
= tswapal(host_to_target_clock_t(tms
.tms_cstime
));
7432 ret
= host_to_target_clock_t(ret
);
7435 #ifdef TARGET_NR_prof
7436 case TARGET_NR_prof
:
7439 #ifdef TARGET_NR_signal
7440 case TARGET_NR_signal
:
7443 case TARGET_NR_acct
:
7445 ret
= get_errno(acct(NULL
));
7447 if (!(p
= lock_user_string(arg1
)))
7449 ret
= get_errno(acct(path(p
)));
7450 unlock_user(p
, arg1
, 0);
7453 #ifdef TARGET_NR_umount2
7454 case TARGET_NR_umount2
:
7455 if (!(p
= lock_user_string(arg1
)))
7457 ret
= get_errno(umount2(p
, arg2
));
7458 unlock_user(p
, arg1
, 0);
7461 #ifdef TARGET_NR_lock
7462 case TARGET_NR_lock
:
7465 case TARGET_NR_ioctl
:
7466 ret
= do_ioctl(arg1
, arg2
, arg3
);
7468 case TARGET_NR_fcntl
:
7469 ret
= do_fcntl(arg1
, arg2
, arg3
);
7471 #ifdef TARGET_NR_mpx
7475 case TARGET_NR_setpgid
:
7476 ret
= get_errno(setpgid(arg1
, arg2
));
7478 #ifdef TARGET_NR_ulimit
7479 case TARGET_NR_ulimit
:
7482 #ifdef TARGET_NR_oldolduname
7483 case TARGET_NR_oldolduname
:
7486 case TARGET_NR_umask
:
7487 ret
= get_errno(umask(arg1
));
7489 case TARGET_NR_chroot
:
7490 if (!(p
= lock_user_string(arg1
)))
7492 ret
= get_errno(chroot(p
));
7493 unlock_user(p
, arg1
, 0);
7495 #ifdef TARGET_NR_ustat
7496 case TARGET_NR_ustat
:
7499 #ifdef TARGET_NR_dup2
7500 case TARGET_NR_dup2
:
7501 ret
= get_errno(dup2(arg1
, arg2
));
7503 fd_trans_dup(arg1
, arg2
);
7507 #if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3)
7508 case TARGET_NR_dup3
:
7509 ret
= get_errno(dup3(arg1
, arg2
, arg3
));
7511 fd_trans_dup(arg1
, arg2
);
7515 #ifdef TARGET_NR_getppid /* not on alpha */
7516 case TARGET_NR_getppid
:
7517 ret
= get_errno(getppid());
7520 #ifdef TARGET_NR_getpgrp
7521 case TARGET_NR_getpgrp
:
7522 ret
= get_errno(getpgrp());
7525 case TARGET_NR_setsid
:
7526 ret
= get_errno(setsid());
7528 #ifdef TARGET_NR_sigaction
7529 case TARGET_NR_sigaction
:
7531 #if defined(TARGET_ALPHA)
7532 struct target_sigaction act
, oact
, *pact
= 0;
7533 struct target_old_sigaction
*old_act
;
7535 if (!lock_user_struct(VERIFY_READ
, old_act
, arg2
, 1))
7537 act
._sa_handler
= old_act
->_sa_handler
;
7538 target_siginitset(&act
.sa_mask
, old_act
->sa_mask
);
7539 act
.sa_flags
= old_act
->sa_flags
;
7540 act
.sa_restorer
= 0;
7541 unlock_user_struct(old_act
, arg2
, 0);
7544 ret
= get_errno(do_sigaction(arg1
, pact
, &oact
));
7545 if (!is_error(ret
) && arg3
) {
7546 if (!lock_user_struct(VERIFY_WRITE
, old_act
, arg3
, 0))
7548 old_act
->_sa_handler
= oact
._sa_handler
;
7549 old_act
->sa_mask
= oact
.sa_mask
.sig
[0];
7550 old_act
->sa_flags
= oact
.sa_flags
;
7551 unlock_user_struct(old_act
, arg3
, 1);
7553 #elif defined(TARGET_MIPS)
7554 struct target_sigaction act
, oact
, *pact
, *old_act
;
7557 if (!lock_user_struct(VERIFY_READ
, old_act
, arg2
, 1))
7559 act
._sa_handler
= old_act
->_sa_handler
;
7560 target_siginitset(&act
.sa_mask
, old_act
->sa_mask
.sig
[0]);
7561 act
.sa_flags
= old_act
->sa_flags
;
7562 unlock_user_struct(old_act
, arg2
, 0);
7568 ret
= get_errno(do_sigaction(arg1
, pact
, &oact
));
7570 if (!is_error(ret
) && arg3
) {
7571 if (!lock_user_struct(VERIFY_WRITE
, old_act
, arg3
, 0))
7573 old_act
->_sa_handler
= oact
._sa_handler
;
7574 old_act
->sa_flags
= oact
.sa_flags
;
7575 old_act
->sa_mask
.sig
[0] = oact
.sa_mask
.sig
[0];
7576 old_act
->sa_mask
.sig
[1] = 0;
7577 old_act
->sa_mask
.sig
[2] = 0;
7578 old_act
->sa_mask
.sig
[3] = 0;
7579 unlock_user_struct(old_act
, arg3
, 1);
7582 struct target_old_sigaction
*old_act
;
7583 struct target_sigaction act
, oact
, *pact
;
7585 if (!lock_user_struct(VERIFY_READ
, old_act
, arg2
, 1))
7587 act
._sa_handler
= old_act
->_sa_handler
;
7588 target_siginitset(&act
.sa_mask
, old_act
->sa_mask
);
7589 act
.sa_flags
= old_act
->sa_flags
;
7590 act
.sa_restorer
= old_act
->sa_restorer
;
7591 unlock_user_struct(old_act
, arg2
, 0);
7596 ret
= get_errno(do_sigaction(arg1
, pact
, &oact
));
7597 if (!is_error(ret
) && arg3
) {
7598 if (!lock_user_struct(VERIFY_WRITE
, old_act
, arg3
, 0))
7600 old_act
->_sa_handler
= oact
._sa_handler
;
7601 old_act
->sa_mask
= oact
.sa_mask
.sig
[0];
7602 old_act
->sa_flags
= oact
.sa_flags
;
7603 old_act
->sa_restorer
= oact
.sa_restorer
;
7604 unlock_user_struct(old_act
, arg3
, 1);
7610 case TARGET_NR_rt_sigaction
:
7612 #if defined(TARGET_ALPHA)
7613 struct target_sigaction act
, oact
, *pact
= 0;
7614 struct target_rt_sigaction
*rt_act
;
7615 /* ??? arg4 == sizeof(sigset_t). */
7617 if (!lock_user_struct(VERIFY_READ
, rt_act
, arg2
, 1))
7619 act
._sa_handler
= rt_act
->_sa_handler
;
7620 act
.sa_mask
= rt_act
->sa_mask
;
7621 act
.sa_flags
= rt_act
->sa_flags
;
7622 act
.sa_restorer
= arg5
;
7623 unlock_user_struct(rt_act
, arg2
, 0);
7626 ret
= get_errno(do_sigaction(arg1
, pact
, &oact
));
7627 if (!is_error(ret
) && arg3
) {
7628 if (!lock_user_struct(VERIFY_WRITE
, rt_act
, arg3
, 0))
7630 rt_act
->_sa_handler
= oact
._sa_handler
;
7631 rt_act
->sa_mask
= oact
.sa_mask
;
7632 rt_act
->sa_flags
= oact
.sa_flags
;
7633 unlock_user_struct(rt_act
, arg3
, 1);
7636 struct target_sigaction
*act
;
7637 struct target_sigaction
*oact
;
7640 if (!lock_user_struct(VERIFY_READ
, act
, arg2
, 1))
7645 if (!lock_user_struct(VERIFY_WRITE
, oact
, arg3
, 0)) {
7646 ret
= -TARGET_EFAULT
;
7647 goto rt_sigaction_fail
;
7651 ret
= get_errno(do_sigaction(arg1
, act
, oact
));
7654 unlock_user_struct(act
, arg2
, 0);
7656 unlock_user_struct(oact
, arg3
, 1);
7660 #ifdef TARGET_NR_sgetmask /* not on alpha */
7661 case TARGET_NR_sgetmask
:
7664 abi_ulong target_set
;
7665 ret
= do_sigprocmask(0, NULL
, &cur_set
);
7667 host_to_target_old_sigset(&target_set
, &cur_set
);
7673 #ifdef TARGET_NR_ssetmask /* not on alpha */
7674 case TARGET_NR_ssetmask
:
7676 sigset_t set
, oset
, cur_set
;
7677 abi_ulong target_set
= arg1
;
7678 /* We only have one word of the new mask so we must read
7679 * the rest of it with do_sigprocmask() and OR in this word.
7680 * We are guaranteed that a do_sigprocmask() that only queries
7681 * the signal mask will not fail.
7683 ret
= do_sigprocmask(0, NULL
, &cur_set
);
7685 target_to_host_old_sigset(&set
, &target_set
);
7686 sigorset(&set
, &set
, &cur_set
);
7687 ret
= do_sigprocmask(SIG_SETMASK
, &set
, &oset
);
7689 host_to_target_old_sigset(&target_set
, &oset
);
7695 #ifdef TARGET_NR_sigprocmask
7696 case TARGET_NR_sigprocmask
:
7698 #if defined(TARGET_ALPHA)
7699 sigset_t set
, oldset
;
7704 case TARGET_SIG_BLOCK
:
7707 case TARGET_SIG_UNBLOCK
:
7710 case TARGET_SIG_SETMASK
:
7714 ret
= -TARGET_EINVAL
;
7718 target_to_host_old_sigset(&set
, &mask
);
7720 ret
= do_sigprocmask(how
, &set
, &oldset
);
7721 if (!is_error(ret
)) {
7722 host_to_target_old_sigset(&mask
, &oldset
);
7724 ((CPUAlphaState
*)cpu_env
)->ir
[IR_V0
] = 0; /* force no error */
7727 sigset_t set
, oldset
, *set_ptr
;
7732 case TARGET_SIG_BLOCK
:
7735 case TARGET_SIG_UNBLOCK
:
7738 case TARGET_SIG_SETMASK
:
7742 ret
= -TARGET_EINVAL
;
7745 if (!(p
= lock_user(VERIFY_READ
, arg2
, sizeof(target_sigset_t
), 1)))
7747 target_to_host_old_sigset(&set
, p
);
7748 unlock_user(p
, arg2
, 0);
7754 ret
= do_sigprocmask(how
, set_ptr
, &oldset
);
7755 if (!is_error(ret
) && arg3
) {
7756 if (!(p
= lock_user(VERIFY_WRITE
, arg3
, sizeof(target_sigset_t
), 0)))
7758 host_to_target_old_sigset(p
, &oldset
);
7759 unlock_user(p
, arg3
, sizeof(target_sigset_t
));
7765 case TARGET_NR_rt_sigprocmask
:
7768 sigset_t set
, oldset
, *set_ptr
;
7772 case TARGET_SIG_BLOCK
:
7775 case TARGET_SIG_UNBLOCK
:
7778 case TARGET_SIG_SETMASK
:
7782 ret
= -TARGET_EINVAL
;
7785 if (!(p
= lock_user(VERIFY_READ
, arg2
, sizeof(target_sigset_t
), 1)))
7787 target_to_host_sigset(&set
, p
);
7788 unlock_user(p
, arg2
, 0);
7794 ret
= do_sigprocmask(how
, set_ptr
, &oldset
);
7795 if (!is_error(ret
) && arg3
) {
7796 if (!(p
= lock_user(VERIFY_WRITE
, arg3
, sizeof(target_sigset_t
), 0)))
7798 host_to_target_sigset(p
, &oldset
);
7799 unlock_user(p
, arg3
, sizeof(target_sigset_t
));
7803 #ifdef TARGET_NR_sigpending
7804 case TARGET_NR_sigpending
:
7807 ret
= get_errno(sigpending(&set
));
7808 if (!is_error(ret
)) {
7809 if (!(p
= lock_user(VERIFY_WRITE
, arg1
, sizeof(target_sigset_t
), 0)))
7811 host_to_target_old_sigset(p
, &set
);
7812 unlock_user(p
, arg1
, sizeof(target_sigset_t
));
7817 case TARGET_NR_rt_sigpending
:
7820 ret
= get_errno(sigpending(&set
));
7821 if (!is_error(ret
)) {
7822 if (!(p
= lock_user(VERIFY_WRITE
, arg1
, sizeof(target_sigset_t
), 0)))
7824 host_to_target_sigset(p
, &set
);
7825 unlock_user(p
, arg1
, sizeof(target_sigset_t
));
7829 #ifdef TARGET_NR_sigsuspend
7830 case TARGET_NR_sigsuspend
:
7832 TaskState
*ts
= cpu
->opaque
;
7833 #if defined(TARGET_ALPHA)
7834 abi_ulong mask
= arg1
;
7835 target_to_host_old_sigset(&ts
->sigsuspend_mask
, &mask
);
7837 if (!(p
= lock_user(VERIFY_READ
, arg1
, sizeof(target_sigset_t
), 1)))
7839 target_to_host_old_sigset(&ts
->sigsuspend_mask
, p
);
7840 unlock_user(p
, arg1
, 0);
7842 ret
= get_errno(safe_rt_sigsuspend(&ts
->sigsuspend_mask
,
7844 if (ret
!= -TARGET_ERESTARTSYS
) {
7845 ts
->in_sigsuspend
= 1;
7850 case TARGET_NR_rt_sigsuspend
:
7852 TaskState
*ts
= cpu
->opaque
;
7853 if (!(p
= lock_user(VERIFY_READ
, arg1
, sizeof(target_sigset_t
), 1)))
7855 target_to_host_sigset(&ts
->sigsuspend_mask
, p
);
7856 unlock_user(p
, arg1
, 0);
7857 ret
= get_errno(safe_rt_sigsuspend(&ts
->sigsuspend_mask
,
7859 if (ret
!= -TARGET_ERESTARTSYS
) {
7860 ts
->in_sigsuspend
= 1;
7864 case TARGET_NR_rt_sigtimedwait
:
7867 struct timespec uts
, *puts
;
7870 if (!(p
= lock_user(VERIFY_READ
, arg1
, sizeof(target_sigset_t
), 1)))
7872 target_to_host_sigset(&set
, p
);
7873 unlock_user(p
, arg1
, 0);
7876 target_to_host_timespec(puts
, arg3
);
7880 ret
= get_errno(safe_rt_sigtimedwait(&set
, &uinfo
, puts
,
7882 if (!is_error(ret
)) {
7884 p
= lock_user(VERIFY_WRITE
, arg2
, sizeof(target_siginfo_t
),
7889 host_to_target_siginfo(p
, &uinfo
);
7890 unlock_user(p
, arg2
, sizeof(target_siginfo_t
));
7892 ret
= host_to_target_signal(ret
);
7896 case TARGET_NR_rt_sigqueueinfo
:
7900 p
= lock_user(VERIFY_READ
, arg3
, sizeof(target_siginfo_t
), 1);
7904 target_to_host_siginfo(&uinfo
, p
);
7905 unlock_user(p
, arg1
, 0);
7906 ret
= get_errno(sys_rt_sigqueueinfo(arg1
, arg2
, &uinfo
));
7909 #ifdef TARGET_NR_sigreturn
7910 case TARGET_NR_sigreturn
:
7911 if (block_signals()) {
7912 ret
= -TARGET_ERESTARTSYS
;
7914 ret
= do_sigreturn(cpu_env
);
7918 case TARGET_NR_rt_sigreturn
:
7919 if (block_signals()) {
7920 ret
= -TARGET_ERESTARTSYS
;
7922 ret
= do_rt_sigreturn(cpu_env
);
7925 case TARGET_NR_sethostname
:
7926 if (!(p
= lock_user_string(arg1
)))
7928 ret
= get_errno(sethostname(p
, arg2
));
7929 unlock_user(p
, arg1
, 0);
7931 case TARGET_NR_setrlimit
:
7933 int resource
= target_to_host_resource(arg1
);
7934 struct target_rlimit
*target_rlim
;
7936 if (!lock_user_struct(VERIFY_READ
, target_rlim
, arg2
, 1))
7938 rlim
.rlim_cur
= target_to_host_rlim(target_rlim
->rlim_cur
);
7939 rlim
.rlim_max
= target_to_host_rlim(target_rlim
->rlim_max
);
7940 unlock_user_struct(target_rlim
, arg2
, 0);
7941 ret
= get_errno(setrlimit(resource
, &rlim
));
7944 case TARGET_NR_getrlimit
:
7946 int resource
= target_to_host_resource(arg1
);
7947 struct target_rlimit
*target_rlim
;
7950 ret
= get_errno(getrlimit(resource
, &rlim
));
7951 if (!is_error(ret
)) {
7952 if (!lock_user_struct(VERIFY_WRITE
, target_rlim
, arg2
, 0))
7954 target_rlim
->rlim_cur
= host_to_target_rlim(rlim
.rlim_cur
);
7955 target_rlim
->rlim_max
= host_to_target_rlim(rlim
.rlim_max
);
7956 unlock_user_struct(target_rlim
, arg2
, 1);
7960 case TARGET_NR_getrusage
:
7962 struct rusage rusage
;
7963 ret
= get_errno(getrusage(arg1
, &rusage
));
7964 if (!is_error(ret
)) {
7965 ret
= host_to_target_rusage(arg2
, &rusage
);
7969 case TARGET_NR_gettimeofday
:
7972 ret
= get_errno(gettimeofday(&tv
, NULL
));
7973 if (!is_error(ret
)) {
7974 if (copy_to_user_timeval(arg1
, &tv
))
7979 case TARGET_NR_settimeofday
:
7981 struct timeval tv
, *ptv
= NULL
;
7982 struct timezone tz
, *ptz
= NULL
;
7985 if (copy_from_user_timeval(&tv
, arg1
)) {
7992 if (copy_from_user_timezone(&tz
, arg2
)) {
7998 ret
= get_errno(settimeofday(ptv
, ptz
));
8001 #if defined(TARGET_NR_select)
8002 case TARGET_NR_select
:
8003 #if defined(TARGET_S390X) || defined(TARGET_ALPHA)
8004 ret
= do_select(arg1
, arg2
, arg3
, arg4
, arg5
);
8007 struct target_sel_arg_struct
*sel
;
8008 abi_ulong inp
, outp
, exp
, tvp
;
8011 if (!lock_user_struct(VERIFY_READ
, sel
, arg1
, 1))
8013 nsel
= tswapal(sel
->n
);
8014 inp
= tswapal(sel
->inp
);
8015 outp
= tswapal(sel
->outp
);
8016 exp
= tswapal(sel
->exp
);
8017 tvp
= tswapal(sel
->tvp
);
8018 unlock_user_struct(sel
, arg1
, 0);
8019 ret
= do_select(nsel
, inp
, outp
, exp
, tvp
);
8024 #ifdef TARGET_NR_pselect6
8025 case TARGET_NR_pselect6
:
8027 abi_long rfd_addr
, wfd_addr
, efd_addr
, n
, ts_addr
;
8028 fd_set rfds
, wfds
, efds
;
8029 fd_set
*rfds_ptr
, *wfds_ptr
, *efds_ptr
;
8030 struct timespec ts
, *ts_ptr
;
8033 * The 6th arg is actually two args smashed together,
8034 * so we cannot use the C library.
8042 abi_ulong arg_sigset
, arg_sigsize
, *arg7
;
8043 target_sigset_t
*target_sigset
;
8051 ret
= copy_from_user_fdset_ptr(&rfds
, &rfds_ptr
, rfd_addr
, n
);
8055 ret
= copy_from_user_fdset_ptr(&wfds
, &wfds_ptr
, wfd_addr
, n
);
8059 ret
= copy_from_user_fdset_ptr(&efds
, &efds_ptr
, efd_addr
, n
);
8065 * This takes a timespec, and not a timeval, so we cannot
8066 * use the do_select() helper ...
8069 if (target_to_host_timespec(&ts
, ts_addr
)) {
8077 /* Extract the two packed args for the sigset */
8080 sig
.size
= SIGSET_T_SIZE
;
8082 arg7
= lock_user(VERIFY_READ
, arg6
, sizeof(*arg7
) * 2, 1);
8086 arg_sigset
= tswapal(arg7
[0]);
8087 arg_sigsize
= tswapal(arg7
[1]);
8088 unlock_user(arg7
, arg6
, 0);
8092 if (arg_sigsize
!= sizeof(*target_sigset
)) {
8093 /* Like the kernel, we enforce correct size sigsets */
8094 ret
= -TARGET_EINVAL
;
8097 target_sigset
= lock_user(VERIFY_READ
, arg_sigset
,
8098 sizeof(*target_sigset
), 1);
8099 if (!target_sigset
) {
8102 target_to_host_sigset(&set
, target_sigset
);
8103 unlock_user(target_sigset
, arg_sigset
, 0);
8111 ret
= get_errno(safe_pselect6(n
, rfds_ptr
, wfds_ptr
, efds_ptr
,
8114 if (!is_error(ret
)) {
8115 if (rfd_addr
&& copy_to_user_fdset(rfd_addr
, &rfds
, n
))
8117 if (wfd_addr
&& copy_to_user_fdset(wfd_addr
, &wfds
, n
))
8119 if (efd_addr
&& copy_to_user_fdset(efd_addr
, &efds
, n
))
8122 if (ts_addr
&& host_to_target_timespec(ts_addr
, &ts
))
8128 #ifdef TARGET_NR_symlink
8129 case TARGET_NR_symlink
:
8132 p
= lock_user_string(arg1
);
8133 p2
= lock_user_string(arg2
);
8135 ret
= -TARGET_EFAULT
;
8137 ret
= get_errno(symlink(p
, p2
));
8138 unlock_user(p2
, arg2
, 0);
8139 unlock_user(p
, arg1
, 0);
8143 #if defined(TARGET_NR_symlinkat)
8144 case TARGET_NR_symlinkat
:
8147 p
= lock_user_string(arg1
);
8148 p2
= lock_user_string(arg3
);
8150 ret
= -TARGET_EFAULT
;
8152 ret
= get_errno(symlinkat(p
, arg2
, p2
));
8153 unlock_user(p2
, arg3
, 0);
8154 unlock_user(p
, arg1
, 0);
8158 #ifdef TARGET_NR_oldlstat
8159 case TARGET_NR_oldlstat
:
8162 #ifdef TARGET_NR_readlink
8163 case TARGET_NR_readlink
:
8166 p
= lock_user_string(arg1
);
8167 p2
= lock_user(VERIFY_WRITE
, arg2
, arg3
, 0);
8169 ret
= -TARGET_EFAULT
;
8171 /* Short circuit this for the magic exe check. */
8172 ret
= -TARGET_EINVAL
;
8173 } else if (is_proc_myself((const char *)p
, "exe")) {
8174 char real
[PATH_MAX
], *temp
;
8175 temp
= realpath(exec_path
, real
);
8176 /* Return value is # of bytes that we wrote to the buffer. */
8178 ret
= get_errno(-1);
8180 /* Don't worry about sign mismatch as earlier mapping
8181 * logic would have thrown a bad address error. */
8182 ret
= MIN(strlen(real
), arg3
);
8183 /* We cannot NUL terminate the string. */
8184 memcpy(p2
, real
, ret
);
8187 ret
= get_errno(readlink(path(p
), p2
, arg3
));
8189 unlock_user(p2
, arg2
, ret
);
8190 unlock_user(p
, arg1
, 0);
8194 #if defined(TARGET_NR_readlinkat)
8195 case TARGET_NR_readlinkat
:
8198 p
= lock_user_string(arg2
);
8199 p2
= lock_user(VERIFY_WRITE
, arg3
, arg4
, 0);
8201 ret
= -TARGET_EFAULT
;
8202 } else if (is_proc_myself((const char *)p
, "exe")) {
8203 char real
[PATH_MAX
], *temp
;
8204 temp
= realpath(exec_path
, real
);
8205 ret
= temp
== NULL
? get_errno(-1) : strlen(real
) ;
8206 snprintf((char *)p2
, arg4
, "%s", real
);
8208 ret
= get_errno(readlinkat(arg1
, path(p
), p2
, arg4
));
8210 unlock_user(p2
, arg3
, ret
);
8211 unlock_user(p
, arg2
, 0);
8215 #ifdef TARGET_NR_uselib
8216 case TARGET_NR_uselib
:
8219 #ifdef TARGET_NR_swapon
8220 case TARGET_NR_swapon
:
8221 if (!(p
= lock_user_string(arg1
)))
8223 ret
= get_errno(swapon(p
, arg2
));
8224 unlock_user(p
, arg1
, 0);
8227 case TARGET_NR_reboot
:
8228 if (arg3
== LINUX_REBOOT_CMD_RESTART2
) {
8229 /* arg4 must be ignored in all other cases */
8230 p
= lock_user_string(arg4
);
8234 ret
= get_errno(reboot(arg1
, arg2
, arg3
, p
));
8235 unlock_user(p
, arg4
, 0);
8237 ret
= get_errno(reboot(arg1
, arg2
, arg3
, NULL
));
8240 #ifdef TARGET_NR_readdir
8241 case TARGET_NR_readdir
:
8244 #ifdef TARGET_NR_mmap
8245 case TARGET_NR_mmap
:
8246 #if (defined(TARGET_I386) && defined(TARGET_ABI32)) || \
8247 (defined(TARGET_ARM) && defined(TARGET_ABI32)) || \
8248 defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE) \
8249 || defined(TARGET_S390X)
8252 abi_ulong v1
, v2
, v3
, v4
, v5
, v6
;
8253 if (!(v
= lock_user(VERIFY_READ
, arg1
, 6 * sizeof(abi_ulong
), 1)))
8261 unlock_user(v
, arg1
, 0);
8262 ret
= get_errno(target_mmap(v1
, v2
, v3
,
8263 target_to_host_bitmask(v4
, mmap_flags_tbl
),
8267 ret
= get_errno(target_mmap(arg1
, arg2
, arg3
,
8268 target_to_host_bitmask(arg4
, mmap_flags_tbl
),
8274 #ifdef TARGET_NR_mmap2
8275 case TARGET_NR_mmap2
:
8277 #define MMAP_SHIFT 12
8279 ret
= get_errno(target_mmap(arg1
, arg2
, arg3
,
8280 target_to_host_bitmask(arg4
, mmap_flags_tbl
),
8282 arg6
<< MMAP_SHIFT
));
8285 case TARGET_NR_munmap
:
8286 ret
= get_errno(target_munmap(arg1
, arg2
));
8288 case TARGET_NR_mprotect
:
8290 TaskState
*ts
= cpu
->opaque
;
8291 /* Special hack to detect libc making the stack executable. */
8292 if ((arg3
& PROT_GROWSDOWN
)
8293 && arg1
>= ts
->info
->stack_limit
8294 && arg1
<= ts
->info
->start_stack
) {
8295 arg3
&= ~PROT_GROWSDOWN
;
8296 arg2
= arg2
+ arg1
- ts
->info
->stack_limit
;
8297 arg1
= ts
->info
->stack_limit
;
8300 ret
= get_errno(target_mprotect(arg1
, arg2
, arg3
));
8302 #ifdef TARGET_NR_mremap
8303 case TARGET_NR_mremap
:
8304 ret
= get_errno(target_mremap(arg1
, arg2
, arg3
, arg4
, arg5
));
8307 /* ??? msync/mlock/munlock are broken for softmmu. */
8308 #ifdef TARGET_NR_msync
8309 case TARGET_NR_msync
:
8310 ret
= get_errno(msync(g2h(arg1
), arg2
, arg3
));
8313 #ifdef TARGET_NR_mlock
8314 case TARGET_NR_mlock
:
8315 ret
= get_errno(mlock(g2h(arg1
), arg2
));
8318 #ifdef TARGET_NR_munlock
8319 case TARGET_NR_munlock
:
8320 ret
= get_errno(munlock(g2h(arg1
), arg2
));
8323 #ifdef TARGET_NR_mlockall
8324 case TARGET_NR_mlockall
:
8325 ret
= get_errno(mlockall(target_to_host_mlockall_arg(arg1
)));
8328 #ifdef TARGET_NR_munlockall
8329 case TARGET_NR_munlockall
:
8330 ret
= get_errno(munlockall());
8333 case TARGET_NR_truncate
:
8334 if (!(p
= lock_user_string(arg1
)))
8336 ret
= get_errno(truncate(p
, arg2
));
8337 unlock_user(p
, arg1
, 0);
8339 case TARGET_NR_ftruncate
:
8340 ret
= get_errno(ftruncate(arg1
, arg2
));
8342 case TARGET_NR_fchmod
:
8343 ret
= get_errno(fchmod(arg1
, arg2
));
8345 #if defined(TARGET_NR_fchmodat)
8346 case TARGET_NR_fchmodat
:
8347 if (!(p
= lock_user_string(arg2
)))
8349 ret
= get_errno(fchmodat(arg1
, p
, arg3
, 0));
8350 unlock_user(p
, arg2
, 0);
8353 case TARGET_NR_getpriority
:
8354 /* Note that negative values are valid for getpriority, so we must
8355 differentiate based on errno settings. */
8357 ret
= getpriority(arg1
, arg2
);
8358 if (ret
== -1 && errno
!= 0) {
8359 ret
= -host_to_target_errno(errno
);
8363 /* Return value is the unbiased priority. Signal no error. */
8364 ((CPUAlphaState
*)cpu_env
)->ir
[IR_V0
] = 0;
8366 /* Return value is a biased priority to avoid negative numbers. */
8370 case TARGET_NR_setpriority
:
8371 ret
= get_errno(setpriority(arg1
, arg2
, arg3
));
8373 #ifdef TARGET_NR_profil
8374 case TARGET_NR_profil
:
8377 case TARGET_NR_statfs
:
8378 if (!(p
= lock_user_string(arg1
)))
8380 ret
= get_errno(statfs(path(p
), &stfs
));
8381 unlock_user(p
, arg1
, 0);
8383 if (!is_error(ret
)) {
8384 struct target_statfs
*target_stfs
;
8386 if (!lock_user_struct(VERIFY_WRITE
, target_stfs
, arg2
, 0))
8388 __put_user(stfs
.f_type
, &target_stfs
->f_type
);
8389 __put_user(stfs
.f_bsize
, &target_stfs
->f_bsize
);
8390 __put_user(stfs
.f_blocks
, &target_stfs
->f_blocks
);
8391 __put_user(stfs
.f_bfree
, &target_stfs
->f_bfree
);
8392 __put_user(stfs
.f_bavail
, &target_stfs
->f_bavail
);
8393 __put_user(stfs
.f_files
, &target_stfs
->f_files
);
8394 __put_user(stfs
.f_ffree
, &target_stfs
->f_ffree
);
8395 __put_user(stfs
.f_fsid
.__val
[0], &target_stfs
->f_fsid
.val
[0]);
8396 __put_user(stfs
.f_fsid
.__val
[1], &target_stfs
->f_fsid
.val
[1]);
8397 __put_user(stfs
.f_namelen
, &target_stfs
->f_namelen
);
8398 __put_user(stfs
.f_frsize
, &target_stfs
->f_frsize
);
8399 memset(target_stfs
->f_spare
, 0, sizeof(target_stfs
->f_spare
));
8400 unlock_user_struct(target_stfs
, arg2
, 1);
8403 case TARGET_NR_fstatfs
:
8404 ret
= get_errno(fstatfs(arg1
, &stfs
));
8405 goto convert_statfs
;
8406 #ifdef TARGET_NR_statfs64
8407 case TARGET_NR_statfs64
:
8408 if (!(p
= lock_user_string(arg1
)))
8410 ret
= get_errno(statfs(path(p
), &stfs
));
8411 unlock_user(p
, arg1
, 0);
8413 if (!is_error(ret
)) {
8414 struct target_statfs64
*target_stfs
;
8416 if (!lock_user_struct(VERIFY_WRITE
, target_stfs
, arg3
, 0))
8418 __put_user(stfs
.f_type
, &target_stfs
->f_type
);
8419 __put_user(stfs
.f_bsize
, &target_stfs
->f_bsize
);
8420 __put_user(stfs
.f_blocks
, &target_stfs
->f_blocks
);
8421 __put_user(stfs
.f_bfree
, &target_stfs
->f_bfree
);
8422 __put_user(stfs
.f_bavail
, &target_stfs
->f_bavail
);
8423 __put_user(stfs
.f_files
, &target_stfs
->f_files
);
8424 __put_user(stfs
.f_ffree
, &target_stfs
->f_ffree
);
8425 __put_user(stfs
.f_fsid
.__val
[0], &target_stfs
->f_fsid
.val
[0]);
8426 __put_user(stfs
.f_fsid
.__val
[1], &target_stfs
->f_fsid
.val
[1]);
8427 __put_user(stfs
.f_namelen
, &target_stfs
->f_namelen
);
8428 __put_user(stfs
.f_frsize
, &target_stfs
->f_frsize
);
8429 memset(target_stfs
->f_spare
, 0, sizeof(target_stfs
->f_spare
));
8430 unlock_user_struct(target_stfs
, arg3
, 1);
8433 case TARGET_NR_fstatfs64
:
8434 ret
= get_errno(fstatfs(arg1
, &stfs
));
8435 goto convert_statfs64
;
8437 #ifdef TARGET_NR_ioperm
8438 case TARGET_NR_ioperm
:
8441 #ifdef TARGET_NR_socketcall
8442 case TARGET_NR_socketcall
:
8443 ret
= do_socketcall(arg1
, arg2
);
8446 #ifdef TARGET_NR_accept
8447 case TARGET_NR_accept
:
8448 ret
= do_accept4(arg1
, arg2
, arg3
, 0);
8451 #ifdef TARGET_NR_accept4
8452 case TARGET_NR_accept4
:
8453 ret
= do_accept4(arg1
, arg2
, arg3
, arg4
);
8456 #ifdef TARGET_NR_bind
8457 case TARGET_NR_bind
:
8458 ret
= do_bind(arg1
, arg2
, arg3
);
8461 #ifdef TARGET_NR_connect
8462 case TARGET_NR_connect
:
8463 ret
= do_connect(arg1
, arg2
, arg3
);
8466 #ifdef TARGET_NR_getpeername
8467 case TARGET_NR_getpeername
:
8468 ret
= do_getpeername(arg1
, arg2
, arg3
);
8471 #ifdef TARGET_NR_getsockname
8472 case TARGET_NR_getsockname
:
8473 ret
= do_getsockname(arg1
, arg2
, arg3
);
8476 #ifdef TARGET_NR_getsockopt
8477 case TARGET_NR_getsockopt
:
8478 ret
= do_getsockopt(arg1
, arg2
, arg3
, arg4
, arg5
);
8481 #ifdef TARGET_NR_listen
8482 case TARGET_NR_listen
:
8483 ret
= get_errno(listen(arg1
, arg2
));
8486 #ifdef TARGET_NR_recv
8487 case TARGET_NR_recv
:
8488 ret
= do_recvfrom(arg1
, arg2
, arg3
, arg4
, 0, 0);
8491 #ifdef TARGET_NR_recvfrom
8492 case TARGET_NR_recvfrom
:
8493 ret
= do_recvfrom(arg1
, arg2
, arg3
, arg4
, arg5
, arg6
);
8496 #ifdef TARGET_NR_recvmsg
8497 case TARGET_NR_recvmsg
:
8498 ret
= do_sendrecvmsg(arg1
, arg2
, arg3
, 0);
8501 #ifdef TARGET_NR_send
8502 case TARGET_NR_send
:
8503 ret
= do_sendto(arg1
, arg2
, arg3
, arg4
, 0, 0);
8506 #ifdef TARGET_NR_sendmsg
8507 case TARGET_NR_sendmsg
:
8508 ret
= do_sendrecvmsg(arg1
, arg2
, arg3
, 1);
8511 #ifdef TARGET_NR_sendmmsg
8512 case TARGET_NR_sendmmsg
:
8513 ret
= do_sendrecvmmsg(arg1
, arg2
, arg3
, arg4
, 1);
8515 case TARGET_NR_recvmmsg
:
8516 ret
= do_sendrecvmmsg(arg1
, arg2
, arg3
, arg4
, 0);
8519 #ifdef TARGET_NR_sendto
8520 case TARGET_NR_sendto
:
8521 ret
= do_sendto(arg1
, arg2
, arg3
, arg4
, arg5
, arg6
);
8524 #ifdef TARGET_NR_shutdown
8525 case TARGET_NR_shutdown
:
8526 ret
= get_errno(shutdown(arg1
, arg2
));
8529 #if defined(TARGET_NR_getrandom) && defined(__NR_getrandom)
8530 case TARGET_NR_getrandom
:
8531 p
= lock_user(VERIFY_WRITE
, arg1
, arg2
, 0);
8535 ret
= get_errno(getrandom(p
, arg2
, arg3
));
8536 unlock_user(p
, arg1
, ret
);
8539 #ifdef TARGET_NR_socket
8540 case TARGET_NR_socket
:
8541 ret
= do_socket(arg1
, arg2
, arg3
);
8542 fd_trans_unregister(ret
);
8545 #ifdef TARGET_NR_socketpair
8546 case TARGET_NR_socketpair
:
8547 ret
= do_socketpair(arg1
, arg2
, arg3
, arg4
);
8550 #ifdef TARGET_NR_setsockopt
8551 case TARGET_NR_setsockopt
:
8552 ret
= do_setsockopt(arg1
, arg2
, arg3
, arg4
, (socklen_t
) arg5
);
8556 case TARGET_NR_syslog
:
8557 if (!(p
= lock_user_string(arg2
)))
8559 ret
= get_errno(sys_syslog((int)arg1
, p
, (int)arg3
));
8560 unlock_user(p
, arg2
, 0);
8563 case TARGET_NR_setitimer
:
8565 struct itimerval value
, ovalue
, *pvalue
;
8569 if (copy_from_user_timeval(&pvalue
->it_interval
, arg2
)
8570 || copy_from_user_timeval(&pvalue
->it_value
,
8571 arg2
+ sizeof(struct target_timeval
)))
8576 ret
= get_errno(setitimer(arg1
, pvalue
, &ovalue
));
8577 if (!is_error(ret
) && arg3
) {
8578 if (copy_to_user_timeval(arg3
,
8579 &ovalue
.it_interval
)
8580 || copy_to_user_timeval(arg3
+ sizeof(struct target_timeval
),
8586 case TARGET_NR_getitimer
:
8588 struct itimerval value
;
8590 ret
= get_errno(getitimer(arg1
, &value
));
8591 if (!is_error(ret
) && arg2
) {
8592 if (copy_to_user_timeval(arg2
,
8594 || copy_to_user_timeval(arg2
+ sizeof(struct target_timeval
),
8600 #ifdef TARGET_NR_stat
8601 case TARGET_NR_stat
:
8602 if (!(p
= lock_user_string(arg1
)))
8604 ret
= get_errno(stat(path(p
), &st
));
8605 unlock_user(p
, arg1
, 0);
8608 #ifdef TARGET_NR_lstat
8609 case TARGET_NR_lstat
:
8610 if (!(p
= lock_user_string(arg1
)))
8612 ret
= get_errno(lstat(path(p
), &st
));
8613 unlock_user(p
, arg1
, 0);
8616 case TARGET_NR_fstat
:
8618 ret
= get_errno(fstat(arg1
, &st
));
8619 #if defined(TARGET_NR_stat) || defined(TARGET_NR_lstat)
8622 if (!is_error(ret
)) {
8623 struct target_stat
*target_st
;
8625 if (!lock_user_struct(VERIFY_WRITE
, target_st
, arg2
, 0))
8627 memset(target_st
, 0, sizeof(*target_st
));
8628 __put_user(st
.st_dev
, &target_st
->st_dev
);
8629 __put_user(st
.st_ino
, &target_st
->st_ino
);
8630 __put_user(st
.st_mode
, &target_st
->st_mode
);
8631 __put_user(st
.st_uid
, &target_st
->st_uid
);
8632 __put_user(st
.st_gid
, &target_st
->st_gid
);
8633 __put_user(st
.st_nlink
, &target_st
->st_nlink
);
8634 __put_user(st
.st_rdev
, &target_st
->st_rdev
);
8635 __put_user(st
.st_size
, &target_st
->st_size
);
8636 __put_user(st
.st_blksize
, &target_st
->st_blksize
);
8637 __put_user(st
.st_blocks
, &target_st
->st_blocks
);
8638 __put_user(st
.st_atime
, &target_st
->target_st_atime
);
8639 __put_user(st
.st_mtime
, &target_st
->target_st_mtime
);
8640 __put_user(st
.st_ctime
, &target_st
->target_st_ctime
);
8641 unlock_user_struct(target_st
, arg2
, 1);
8645 #ifdef TARGET_NR_olduname
8646 case TARGET_NR_olduname
:
8649 #ifdef TARGET_NR_iopl
8650 case TARGET_NR_iopl
:
8653 case TARGET_NR_vhangup
:
8654 ret
= get_errno(vhangup());
8656 #ifdef TARGET_NR_idle
8657 case TARGET_NR_idle
:
8660 #ifdef TARGET_NR_syscall
8661 case TARGET_NR_syscall
:
8662 ret
= do_syscall(cpu_env
, arg1
& 0xffff, arg2
, arg3
, arg4
, arg5
,
8663 arg6
, arg7
, arg8
, 0);
8666 case TARGET_NR_wait4
:
8669 abi_long status_ptr
= arg2
;
8670 struct rusage rusage
, *rusage_ptr
;
8671 abi_ulong target_rusage
= arg4
;
8672 abi_long rusage_err
;
8674 rusage_ptr
= &rusage
;
8677 ret
= get_errno(safe_wait4(arg1
, &status
, arg3
, rusage_ptr
));
8678 if (!is_error(ret
)) {
8679 if (status_ptr
&& ret
) {
8680 status
= host_to_target_waitstatus(status
);
8681 if (put_user_s32(status
, status_ptr
))
8684 if (target_rusage
) {
8685 rusage_err
= host_to_target_rusage(target_rusage
, &rusage
);
8693 #ifdef TARGET_NR_swapoff
8694 case TARGET_NR_swapoff
:
8695 if (!(p
= lock_user_string(arg1
)))
8697 ret
= get_errno(swapoff(p
));
8698 unlock_user(p
, arg1
, 0);
8701 case TARGET_NR_sysinfo
:
8703 struct target_sysinfo
*target_value
;
8704 struct sysinfo value
;
8705 ret
= get_errno(sysinfo(&value
));
8706 if (!is_error(ret
) && arg1
)
8708 if (!lock_user_struct(VERIFY_WRITE
, target_value
, arg1
, 0))
8710 __put_user(value
.uptime
, &target_value
->uptime
);
8711 __put_user(value
.loads
[0], &target_value
->loads
[0]);
8712 __put_user(value
.loads
[1], &target_value
->loads
[1]);
8713 __put_user(value
.loads
[2], &target_value
->loads
[2]);
8714 __put_user(value
.totalram
, &target_value
->totalram
);
8715 __put_user(value
.freeram
, &target_value
->freeram
);
8716 __put_user(value
.sharedram
, &target_value
->sharedram
);
8717 __put_user(value
.bufferram
, &target_value
->bufferram
);
8718 __put_user(value
.totalswap
, &target_value
->totalswap
);
8719 __put_user(value
.freeswap
, &target_value
->freeswap
);
8720 __put_user(value
.procs
, &target_value
->procs
);
8721 __put_user(value
.totalhigh
, &target_value
->totalhigh
);
8722 __put_user(value
.freehigh
, &target_value
->freehigh
);
8723 __put_user(value
.mem_unit
, &target_value
->mem_unit
);
8724 unlock_user_struct(target_value
, arg1
, 1);
8728 #ifdef TARGET_NR_ipc
8730 ret
= do_ipc(arg1
, arg2
, arg3
, arg4
, arg5
, arg6
);
8733 #ifdef TARGET_NR_semget
8734 case TARGET_NR_semget
:
8735 ret
= get_errno(semget(arg1
, arg2
, arg3
));
8738 #ifdef TARGET_NR_semop
8739 case TARGET_NR_semop
:
8740 ret
= do_semop(arg1
, arg2
, arg3
);
8743 #ifdef TARGET_NR_semctl
8744 case TARGET_NR_semctl
:
8745 ret
= do_semctl(arg1
, arg2
, arg3
, arg4
);
8748 #ifdef TARGET_NR_msgctl
8749 case TARGET_NR_msgctl
:
8750 ret
= do_msgctl(arg1
, arg2
, arg3
);
8753 #ifdef TARGET_NR_msgget
8754 case TARGET_NR_msgget
:
8755 ret
= get_errno(msgget(arg1
, arg2
));
8758 #ifdef TARGET_NR_msgrcv
8759 case TARGET_NR_msgrcv
:
8760 ret
= do_msgrcv(arg1
, arg2
, arg3
, arg4
, arg5
);
8763 #ifdef TARGET_NR_msgsnd
8764 case TARGET_NR_msgsnd
:
8765 ret
= do_msgsnd(arg1
, arg2
, arg3
, arg4
);
8768 #ifdef TARGET_NR_shmget
8769 case TARGET_NR_shmget
:
8770 ret
= get_errno(shmget(arg1
, arg2
, arg3
));
8773 #ifdef TARGET_NR_shmctl
8774 case TARGET_NR_shmctl
:
8775 ret
= do_shmctl(arg1
, arg2
, arg3
);
8778 #ifdef TARGET_NR_shmat
8779 case TARGET_NR_shmat
:
8780 ret
= do_shmat(arg1
, arg2
, arg3
);
8783 #ifdef TARGET_NR_shmdt
8784 case TARGET_NR_shmdt
:
8785 ret
= do_shmdt(arg1
);
8788 case TARGET_NR_fsync
:
8789 ret
= get_errno(fsync(arg1
));
8791 case TARGET_NR_clone
:
8792 /* Linux manages to have three different orderings for its
8793 * arguments to clone(); the BACKWARDS and BACKWARDS2 defines
8794 * match the kernel's CONFIG_CLONE_* settings.
8795 * Microblaze is further special in that it uses a sixth
8796 * implicit argument to clone for the TLS pointer.
8798 #if defined(TARGET_MICROBLAZE)
8799 ret
= get_errno(do_fork(cpu_env
, arg1
, arg2
, arg4
, arg6
, arg5
));
8800 #elif defined(TARGET_CLONE_BACKWARDS)
8801 ret
= get_errno(do_fork(cpu_env
, arg1
, arg2
, arg3
, arg4
, arg5
));
8802 #elif defined(TARGET_CLONE_BACKWARDS2)
8803 ret
= get_errno(do_fork(cpu_env
, arg2
, arg1
, arg3
, arg5
, arg4
));
8805 ret
= get_errno(do_fork(cpu_env
, arg1
, arg2
, arg3
, arg5
, arg4
));
8808 #ifdef __NR_exit_group
8809 /* new thread calls */
8810 case TARGET_NR_exit_group
:
8814 gdb_exit(cpu_env
, arg1
);
8815 ret
= get_errno(exit_group(arg1
));
8818 case TARGET_NR_setdomainname
:
8819 if (!(p
= lock_user_string(arg1
)))
8821 ret
= get_errno(setdomainname(p
, arg2
));
8822 unlock_user(p
, arg1
, 0);
8824 case TARGET_NR_uname
:
8825 /* no need to transcode because we use the linux syscall */
8827 struct new_utsname
* buf
;
8829 if (!lock_user_struct(VERIFY_WRITE
, buf
, arg1
, 0))
8831 ret
= get_errno(sys_uname(buf
));
8832 if (!is_error(ret
)) {
8833 /* Overrite the native machine name with whatever is being
8835 strcpy (buf
->machine
, cpu_to_uname_machine(cpu_env
));
8836 /* Allow the user to override the reported release. */
8837 if (qemu_uname_release
&& *qemu_uname_release
)
8838 strcpy (buf
->release
, qemu_uname_release
);
8840 unlock_user_struct(buf
, arg1
, 1);
8844 case TARGET_NR_modify_ldt
:
8845 ret
= do_modify_ldt(cpu_env
, arg1
, arg2
, arg3
);
8847 #if !defined(TARGET_X86_64)
8848 case TARGET_NR_vm86old
:
8850 case TARGET_NR_vm86
:
8851 ret
= do_vm86(cpu_env
, arg1
, arg2
);
8855 case TARGET_NR_adjtimex
:
8857 #ifdef TARGET_NR_create_module
8858 case TARGET_NR_create_module
:
8860 case TARGET_NR_init_module
:
8861 case TARGET_NR_delete_module
:
8862 #ifdef TARGET_NR_get_kernel_syms
8863 case TARGET_NR_get_kernel_syms
:
8866 case TARGET_NR_quotactl
:
8868 case TARGET_NR_getpgid
:
8869 ret
= get_errno(getpgid(arg1
));
8871 case TARGET_NR_fchdir
:
8872 ret
= get_errno(fchdir(arg1
));
8874 #ifdef TARGET_NR_bdflush /* not on x86_64 */
8875 case TARGET_NR_bdflush
:
8878 #ifdef TARGET_NR_sysfs
8879 case TARGET_NR_sysfs
:
8882 case TARGET_NR_personality
:
8883 ret
= get_errno(personality(arg1
));
8885 #ifdef TARGET_NR_afs_syscall
8886 case TARGET_NR_afs_syscall
:
8889 #ifdef TARGET_NR__llseek /* Not on alpha */
8890 case TARGET_NR__llseek
:
8893 #if !defined(__NR_llseek)
8894 res
= lseek(arg1
, ((uint64_t)arg2
<< 32) | arg3
, arg5
);
8896 ret
= get_errno(res
);
8901 ret
= get_errno(_llseek(arg1
, arg2
, arg3
, &res
, arg5
));
8903 if ((ret
== 0) && put_user_s64(res
, arg4
)) {
8909 #ifdef TARGET_NR_getdents
8910 case TARGET_NR_getdents
:
8911 #ifdef __NR_getdents
8912 #if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
8914 struct target_dirent
*target_dirp
;
8915 struct linux_dirent
*dirp
;
8916 abi_long count
= arg3
;
8918 dirp
= g_try_malloc(count
);
8920 ret
= -TARGET_ENOMEM
;
8924 ret
= get_errno(sys_getdents(arg1
, dirp
, count
));
8925 if (!is_error(ret
)) {
8926 struct linux_dirent
*de
;
8927 struct target_dirent
*tde
;
8929 int reclen
, treclen
;
8930 int count1
, tnamelen
;
8934 if (!(target_dirp
= lock_user(VERIFY_WRITE
, arg2
, count
, 0)))
8938 reclen
= de
->d_reclen
;
8939 tnamelen
= reclen
- offsetof(struct linux_dirent
, d_name
);
8940 assert(tnamelen
>= 0);
8941 treclen
= tnamelen
+ offsetof(struct target_dirent
, d_name
);
8942 assert(count1
+ treclen
<= count
);
8943 tde
->d_reclen
= tswap16(treclen
);
8944 tde
->d_ino
= tswapal(de
->d_ino
);
8945 tde
->d_off
= tswapal(de
->d_off
);
8946 memcpy(tde
->d_name
, de
->d_name
, tnamelen
);
8947 de
= (struct linux_dirent
*)((char *)de
+ reclen
);
8949 tde
= (struct target_dirent
*)((char *)tde
+ treclen
);
8953 unlock_user(target_dirp
, arg2
, ret
);
8959 struct linux_dirent
*dirp
;
8960 abi_long count
= arg3
;
8962 if (!(dirp
= lock_user(VERIFY_WRITE
, arg2
, count
, 0)))
8964 ret
= get_errno(sys_getdents(arg1
, dirp
, count
));
8965 if (!is_error(ret
)) {
8966 struct linux_dirent
*de
;
8971 reclen
= de
->d_reclen
;
8974 de
->d_reclen
= tswap16(reclen
);
8975 tswapls(&de
->d_ino
);
8976 tswapls(&de
->d_off
);
8977 de
= (struct linux_dirent
*)((char *)de
+ reclen
);
8981 unlock_user(dirp
, arg2
, ret
);
8985 /* Implement getdents in terms of getdents64 */
8987 struct linux_dirent64
*dirp
;
8988 abi_long count
= arg3
;
8990 dirp
= lock_user(VERIFY_WRITE
, arg2
, count
, 0);
8994 ret
= get_errno(sys_getdents64(arg1
, dirp
, count
));
8995 if (!is_error(ret
)) {
8996 /* Convert the dirent64 structs to target dirent. We do this
8997 * in-place, since we can guarantee that a target_dirent is no
8998 * larger than a dirent64; however this means we have to be
8999 * careful to read everything before writing in the new format.
9001 struct linux_dirent64
*de
;
9002 struct target_dirent
*tde
;
9007 tde
= (struct target_dirent
*)dirp
;
9009 int namelen
, treclen
;
9010 int reclen
= de
->d_reclen
;
9011 uint64_t ino
= de
->d_ino
;
9012 int64_t off
= de
->d_off
;
9013 uint8_t type
= de
->d_type
;
9015 namelen
= strlen(de
->d_name
);
9016 treclen
= offsetof(struct target_dirent
, d_name
)
9018 treclen
= QEMU_ALIGN_UP(treclen
, sizeof(abi_long
));
9020 memmove(tde
->d_name
, de
->d_name
, namelen
+ 1);
9021 tde
->d_ino
= tswapal(ino
);
9022 tde
->d_off
= tswapal(off
);
9023 tde
->d_reclen
= tswap16(treclen
);
9024 /* The target_dirent type is in what was formerly a padding
9025 * byte at the end of the structure:
9027 *(((char *)tde
) + treclen
- 1) = type
;
9029 de
= (struct linux_dirent64
*)((char *)de
+ reclen
);
9030 tde
= (struct target_dirent
*)((char *)tde
+ treclen
);
9036 unlock_user(dirp
, arg2
, ret
);
9040 #endif /* TARGET_NR_getdents */
9041 #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
9042 case TARGET_NR_getdents64
:
9044 struct linux_dirent64
*dirp
;
9045 abi_long count
= arg3
;
9046 if (!(dirp
= lock_user(VERIFY_WRITE
, arg2
, count
, 0)))
9048 ret
= get_errno(sys_getdents64(arg1
, dirp
, count
));
9049 if (!is_error(ret
)) {
9050 struct linux_dirent64
*de
;
9055 reclen
= de
->d_reclen
;
9058 de
->d_reclen
= tswap16(reclen
);
9059 tswap64s((uint64_t *)&de
->d_ino
);
9060 tswap64s((uint64_t *)&de
->d_off
);
9061 de
= (struct linux_dirent64
*)((char *)de
+ reclen
);
9065 unlock_user(dirp
, arg2
, ret
);
9068 #endif /* TARGET_NR_getdents64 */
9069 #if defined(TARGET_NR__newselect)
9070 case TARGET_NR__newselect
:
9071 ret
= do_select(arg1
, arg2
, arg3
, arg4
, arg5
);
9074 #if defined(TARGET_NR_poll) || defined(TARGET_NR_ppoll)
9075 # ifdef TARGET_NR_poll
9076 case TARGET_NR_poll
:
9078 # ifdef TARGET_NR_ppoll
9079 case TARGET_NR_ppoll
:
9082 struct target_pollfd
*target_pfd
;
9083 unsigned int nfds
= arg2
;
9090 target_pfd
= lock_user(VERIFY_WRITE
, arg1
,
9091 sizeof(struct target_pollfd
) * nfds
, 1);
9096 pfd
= alloca(sizeof(struct pollfd
) * nfds
);
9097 for (i
= 0; i
< nfds
; i
++) {
9098 pfd
[i
].fd
= tswap32(target_pfd
[i
].fd
);
9099 pfd
[i
].events
= tswap16(target_pfd
[i
].events
);
9104 # ifdef TARGET_NR_ppoll
9105 case TARGET_NR_ppoll
:
9107 struct timespec _timeout_ts
, *timeout_ts
= &_timeout_ts
;
9108 target_sigset_t
*target_set
;
9109 sigset_t _set
, *set
= &_set
;
9112 if (target_to_host_timespec(timeout_ts
, arg3
)) {
9113 unlock_user(target_pfd
, arg1
, 0);
9121 target_set
= lock_user(VERIFY_READ
, arg4
, sizeof(target_sigset_t
), 1);
9123 unlock_user(target_pfd
, arg1
, 0);
9126 target_to_host_sigset(set
, target_set
);
9131 ret
= get_errno(safe_ppoll(pfd
, nfds
, timeout_ts
,
9132 set
, SIGSET_T_SIZE
));
9134 if (!is_error(ret
) && arg3
) {
9135 host_to_target_timespec(arg3
, timeout_ts
);
9138 unlock_user(target_set
, arg4
, 0);
9143 # ifdef TARGET_NR_poll
9144 case TARGET_NR_poll
:
9146 struct timespec ts
, *pts
;
9149 /* Convert ms to secs, ns */
9150 ts
.tv_sec
= arg3
/ 1000;
9151 ts
.tv_nsec
= (arg3
% 1000) * 1000000LL;
9154 /* -ve poll() timeout means "infinite" */
9157 ret
= get_errno(safe_ppoll(pfd
, nfds
, pts
, NULL
, 0));
9162 g_assert_not_reached();
9165 if (!is_error(ret
)) {
9166 for(i
= 0; i
< nfds
; i
++) {
9167 target_pfd
[i
].revents
= tswap16(pfd
[i
].revents
);
9170 unlock_user(target_pfd
, arg1
, sizeof(struct target_pollfd
) * nfds
);
9174 case TARGET_NR_flock
:
9175 /* NOTE: the flock constant seems to be the same for every
9177 ret
= get_errno(safe_flock(arg1
, arg2
));
9179 case TARGET_NR_readv
:
9181 struct iovec
*vec
= lock_iovec(VERIFY_WRITE
, arg2
, arg3
, 0);
9183 ret
= get_errno(safe_readv(arg1
, vec
, arg3
));
9184 unlock_iovec(vec
, arg2
, arg3
, 1);
9186 ret
= -host_to_target_errno(errno
);
9190 case TARGET_NR_writev
:
9192 struct iovec
*vec
= lock_iovec(VERIFY_READ
, arg2
, arg3
, 1);
9194 ret
= get_errno(safe_writev(arg1
, vec
, arg3
));
9195 unlock_iovec(vec
, arg2
, arg3
, 0);
9197 ret
= -host_to_target_errno(errno
);
9201 case TARGET_NR_getsid
:
9202 ret
= get_errno(getsid(arg1
));
9204 #if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
9205 case TARGET_NR_fdatasync
:
9206 ret
= get_errno(fdatasync(arg1
));
9209 #ifdef TARGET_NR__sysctl
9210 case TARGET_NR__sysctl
:
9211 /* We don't implement this, but ENOTDIR is always a safe
9213 ret
= -TARGET_ENOTDIR
;
9216 case TARGET_NR_sched_getaffinity
:
9218 unsigned int mask_size
;
9219 unsigned long *mask
;
9222 * sched_getaffinity needs multiples of ulong, so need to take
9223 * care of mismatches between target ulong and host ulong sizes.
9225 if (arg2
& (sizeof(abi_ulong
) - 1)) {
9226 ret
= -TARGET_EINVAL
;
9229 mask_size
= (arg2
+ (sizeof(*mask
) - 1)) & ~(sizeof(*mask
) - 1);
9231 mask
= alloca(mask_size
);
9232 ret
= get_errno(sys_sched_getaffinity(arg1
, mask_size
, mask
));
9234 if (!is_error(ret
)) {
9236 /* More data returned than the caller's buffer will fit.
9237 * This only happens if sizeof(abi_long) < sizeof(long)
9238 * and the caller passed us a buffer holding an odd number
9239 * of abi_longs. If the host kernel is actually using the
9240 * extra 4 bytes then fail EINVAL; otherwise we can just
9241 * ignore them and only copy the interesting part.
9243 int numcpus
= sysconf(_SC_NPROCESSORS_CONF
);
9244 if (numcpus
> arg2
* 8) {
9245 ret
= -TARGET_EINVAL
;
9251 if (copy_to_user(arg3
, mask
, ret
)) {
9257 case TARGET_NR_sched_setaffinity
:
9259 unsigned int mask_size
;
9260 unsigned long *mask
;
9263 * sched_setaffinity needs multiples of ulong, so need to take
9264 * care of mismatches between target ulong and host ulong sizes.
9266 if (arg2
& (sizeof(abi_ulong
) - 1)) {
9267 ret
= -TARGET_EINVAL
;
9270 mask_size
= (arg2
+ (sizeof(*mask
) - 1)) & ~(sizeof(*mask
) - 1);
9272 mask
= alloca(mask_size
);
9273 if (!lock_user_struct(VERIFY_READ
, p
, arg3
, 1)) {
9276 memcpy(mask
, p
, arg2
);
9277 unlock_user_struct(p
, arg2
, 0);
9279 ret
= get_errno(sys_sched_setaffinity(arg1
, mask_size
, mask
));
9282 case TARGET_NR_sched_setparam
:
9284 struct sched_param
*target_schp
;
9285 struct sched_param schp
;
9288 return -TARGET_EINVAL
;
9290 if (!lock_user_struct(VERIFY_READ
, target_schp
, arg2
, 1))
9292 schp
.sched_priority
= tswap32(target_schp
->sched_priority
);
9293 unlock_user_struct(target_schp
, arg2
, 0);
9294 ret
= get_errno(sched_setparam(arg1
, &schp
));
9297 case TARGET_NR_sched_getparam
:
9299 struct sched_param
*target_schp
;
9300 struct sched_param schp
;
9303 return -TARGET_EINVAL
;
9305 ret
= get_errno(sched_getparam(arg1
, &schp
));
9306 if (!is_error(ret
)) {
9307 if (!lock_user_struct(VERIFY_WRITE
, target_schp
, arg2
, 0))
9309 target_schp
->sched_priority
= tswap32(schp
.sched_priority
);
9310 unlock_user_struct(target_schp
, arg2
, 1);
9314 case TARGET_NR_sched_setscheduler
:
9316 struct sched_param
*target_schp
;
9317 struct sched_param schp
;
9319 return -TARGET_EINVAL
;
9321 if (!lock_user_struct(VERIFY_READ
, target_schp
, arg3
, 1))
9323 schp
.sched_priority
= tswap32(target_schp
->sched_priority
);
9324 unlock_user_struct(target_schp
, arg3
, 0);
9325 ret
= get_errno(sched_setscheduler(arg1
, arg2
, &schp
));
9328 case TARGET_NR_sched_getscheduler
:
9329 ret
= get_errno(sched_getscheduler(arg1
));
9331 case TARGET_NR_sched_yield
:
9332 ret
= get_errno(sched_yield());
9334 case TARGET_NR_sched_get_priority_max
:
9335 ret
= get_errno(sched_get_priority_max(arg1
));
9337 case TARGET_NR_sched_get_priority_min
:
9338 ret
= get_errno(sched_get_priority_min(arg1
));
9340 case TARGET_NR_sched_rr_get_interval
:
9343 ret
= get_errno(sched_rr_get_interval(arg1
, &ts
));
9344 if (!is_error(ret
)) {
9345 ret
= host_to_target_timespec(arg2
, &ts
);
9349 case TARGET_NR_nanosleep
:
9351 struct timespec req
, rem
;
9352 target_to_host_timespec(&req
, arg1
);
9353 ret
= get_errno(safe_nanosleep(&req
, &rem
));
9354 if (is_error(ret
) && arg2
) {
9355 host_to_target_timespec(arg2
, &rem
);
9359 #ifdef TARGET_NR_query_module
9360 case TARGET_NR_query_module
:
9363 #ifdef TARGET_NR_nfsservctl
9364 case TARGET_NR_nfsservctl
:
9367 case TARGET_NR_prctl
:
9369 case PR_GET_PDEATHSIG
:
9372 ret
= get_errno(prctl(arg1
, &deathsig
, arg3
, arg4
, arg5
));
9373 if (!is_error(ret
) && arg2
9374 && put_user_ual(deathsig
, arg2
)) {
9382 void *name
= lock_user(VERIFY_WRITE
, arg2
, 16, 1);
9386 ret
= get_errno(prctl(arg1
, (unsigned long)name
,
9388 unlock_user(name
, arg2
, 16);
9393 void *name
= lock_user(VERIFY_READ
, arg2
, 16, 1);
9397 ret
= get_errno(prctl(arg1
, (unsigned long)name
,
9399 unlock_user(name
, arg2
, 0);
9404 /* Most prctl options have no pointer arguments */
9405 ret
= get_errno(prctl(arg1
, arg2
, arg3
, arg4
, arg5
));
9409 #ifdef TARGET_NR_arch_prctl
9410 case TARGET_NR_arch_prctl
:
9411 #if defined(TARGET_I386) && !defined(TARGET_ABI32)
9412 ret
= do_arch_prctl(cpu_env
, arg1
, arg2
);
9418 #ifdef TARGET_NR_pread64
9419 case TARGET_NR_pread64
:
9420 if (regpairs_aligned(cpu_env
)) {
9424 if (!(p
= lock_user(VERIFY_WRITE
, arg2
, arg3
, 0)))
9426 ret
= get_errno(pread64(arg1
, p
, arg3
, target_offset64(arg4
, arg5
)));
9427 unlock_user(p
, arg2
, ret
);
9429 case TARGET_NR_pwrite64
:
9430 if (regpairs_aligned(cpu_env
)) {
9434 if (!(p
= lock_user(VERIFY_READ
, arg2
, arg3
, 1)))
9436 ret
= get_errno(pwrite64(arg1
, p
, arg3
, target_offset64(arg4
, arg5
)));
9437 unlock_user(p
, arg2
, 0);
9440 case TARGET_NR_getcwd
:
9441 if (!(p
= lock_user(VERIFY_WRITE
, arg1
, arg2
, 0)))
9443 ret
= get_errno(sys_getcwd1(p
, arg2
));
9444 unlock_user(p
, arg1
, ret
);
9446 case TARGET_NR_capget
:
9447 case TARGET_NR_capset
:
9449 struct target_user_cap_header
*target_header
;
9450 struct target_user_cap_data
*target_data
= NULL
;
9451 struct __user_cap_header_struct header
;
9452 struct __user_cap_data_struct data
[2];
9453 struct __user_cap_data_struct
*dataptr
= NULL
;
9454 int i
, target_datalen
;
9457 if (!lock_user_struct(VERIFY_WRITE
, target_header
, arg1
, 1)) {
9460 header
.version
= tswap32(target_header
->version
);
9461 header
.pid
= tswap32(target_header
->pid
);
9463 if (header
.version
!= _LINUX_CAPABILITY_VERSION
) {
9464 /* Version 2 and up takes pointer to two user_data structs */
9468 target_datalen
= sizeof(*target_data
) * data_items
;
9471 if (num
== TARGET_NR_capget
) {
9472 target_data
= lock_user(VERIFY_WRITE
, arg2
, target_datalen
, 0);
9474 target_data
= lock_user(VERIFY_READ
, arg2
, target_datalen
, 1);
9477 unlock_user_struct(target_header
, arg1
, 0);
9481 if (num
== TARGET_NR_capset
) {
9482 for (i
= 0; i
< data_items
; i
++) {
9483 data
[i
].effective
= tswap32(target_data
[i
].effective
);
9484 data
[i
].permitted
= tswap32(target_data
[i
].permitted
);
9485 data
[i
].inheritable
= tswap32(target_data
[i
].inheritable
);
9492 if (num
== TARGET_NR_capget
) {
9493 ret
= get_errno(capget(&header
, dataptr
));
9495 ret
= get_errno(capset(&header
, dataptr
));
9498 /* The kernel always updates version for both capget and capset */
9499 target_header
->version
= tswap32(header
.version
);
9500 unlock_user_struct(target_header
, arg1
, 1);
9503 if (num
== TARGET_NR_capget
) {
9504 for (i
= 0; i
< data_items
; i
++) {
9505 target_data
[i
].effective
= tswap32(data
[i
].effective
);
9506 target_data
[i
].permitted
= tswap32(data
[i
].permitted
);
9507 target_data
[i
].inheritable
= tswap32(data
[i
].inheritable
);
9509 unlock_user(target_data
, arg2
, target_datalen
);
9511 unlock_user(target_data
, arg2
, 0);
9516 case TARGET_NR_sigaltstack
:
9517 ret
= do_sigaltstack(arg1
, arg2
, get_sp_from_cpustate((CPUArchState
*)cpu_env
));
9520 #ifdef CONFIG_SENDFILE
9521 case TARGET_NR_sendfile
:
9526 ret
= get_user_sal(off
, arg3
);
9527 if (is_error(ret
)) {
9532 ret
= get_errno(sendfile(arg1
, arg2
, offp
, arg4
));
9533 if (!is_error(ret
) && arg3
) {
9534 abi_long ret2
= put_user_sal(off
, arg3
);
9535 if (is_error(ret2
)) {
9541 #ifdef TARGET_NR_sendfile64
9542 case TARGET_NR_sendfile64
:
9547 ret
= get_user_s64(off
, arg3
);
9548 if (is_error(ret
)) {
9553 ret
= get_errno(sendfile(arg1
, arg2
, offp
, arg4
));
9554 if (!is_error(ret
) && arg3
) {
9555 abi_long ret2
= put_user_s64(off
, arg3
);
9556 if (is_error(ret2
)) {
9564 case TARGET_NR_sendfile
:
9565 #ifdef TARGET_NR_sendfile64
9566 case TARGET_NR_sendfile64
:
9571 #ifdef TARGET_NR_getpmsg
9572 case TARGET_NR_getpmsg
:
9575 #ifdef TARGET_NR_putpmsg
9576 case TARGET_NR_putpmsg
:
9579 #ifdef TARGET_NR_vfork
9580 case TARGET_NR_vfork
:
9581 ret
= get_errno(do_fork(cpu_env
, CLONE_VFORK
| CLONE_VM
| SIGCHLD
,
9585 #ifdef TARGET_NR_ugetrlimit
9586 case TARGET_NR_ugetrlimit
:
9589 int resource
= target_to_host_resource(arg1
);
9590 ret
= get_errno(getrlimit(resource
, &rlim
));
9591 if (!is_error(ret
)) {
9592 struct target_rlimit
*target_rlim
;
9593 if (!lock_user_struct(VERIFY_WRITE
, target_rlim
, arg2
, 0))
9595 target_rlim
->rlim_cur
= host_to_target_rlim(rlim
.rlim_cur
);
9596 target_rlim
->rlim_max
= host_to_target_rlim(rlim
.rlim_max
);
9597 unlock_user_struct(target_rlim
, arg2
, 1);
9602 #ifdef TARGET_NR_truncate64
9603 case TARGET_NR_truncate64
:
9604 if (!(p
= lock_user_string(arg1
)))
9606 ret
= target_truncate64(cpu_env
, p
, arg2
, arg3
, arg4
);
9607 unlock_user(p
, arg1
, 0);
9610 #ifdef TARGET_NR_ftruncate64
9611 case TARGET_NR_ftruncate64
:
9612 ret
= target_ftruncate64(cpu_env
, arg1
, arg2
, arg3
, arg4
);
9615 #ifdef TARGET_NR_stat64
9616 case TARGET_NR_stat64
:
9617 if (!(p
= lock_user_string(arg1
)))
9619 ret
= get_errno(stat(path(p
), &st
));
9620 unlock_user(p
, arg1
, 0);
9622 ret
= host_to_target_stat64(cpu_env
, arg2
, &st
);
9625 #ifdef TARGET_NR_lstat64
9626 case TARGET_NR_lstat64
:
9627 if (!(p
= lock_user_string(arg1
)))
9629 ret
= get_errno(lstat(path(p
), &st
));
9630 unlock_user(p
, arg1
, 0);
9632 ret
= host_to_target_stat64(cpu_env
, arg2
, &st
);
9635 #ifdef TARGET_NR_fstat64
9636 case TARGET_NR_fstat64
:
9637 ret
= get_errno(fstat(arg1
, &st
));
9639 ret
= host_to_target_stat64(cpu_env
, arg2
, &st
);
9642 #if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat))
9643 #ifdef TARGET_NR_fstatat64
9644 case TARGET_NR_fstatat64
:
9646 #ifdef TARGET_NR_newfstatat
9647 case TARGET_NR_newfstatat
:
9649 if (!(p
= lock_user_string(arg2
)))
9651 ret
= get_errno(fstatat(arg1
, path(p
), &st
, arg4
));
9653 ret
= host_to_target_stat64(cpu_env
, arg3
, &st
);
9656 #ifdef TARGET_NR_lchown
9657 case TARGET_NR_lchown
:
9658 if (!(p
= lock_user_string(arg1
)))
9660 ret
= get_errno(lchown(p
, low2highuid(arg2
), low2highgid(arg3
)));
9661 unlock_user(p
, arg1
, 0);
9664 #ifdef TARGET_NR_getuid
9665 case TARGET_NR_getuid
:
9666 ret
= get_errno(high2lowuid(getuid()));
9669 #ifdef TARGET_NR_getgid
9670 case TARGET_NR_getgid
:
9671 ret
= get_errno(high2lowgid(getgid()));
9674 #ifdef TARGET_NR_geteuid
9675 case TARGET_NR_geteuid
:
9676 ret
= get_errno(high2lowuid(geteuid()));
9679 #ifdef TARGET_NR_getegid
9680 case TARGET_NR_getegid
:
9681 ret
= get_errno(high2lowgid(getegid()));
9684 case TARGET_NR_setreuid
:
9685 ret
= get_errno(setreuid(low2highuid(arg1
), low2highuid(arg2
)));
9687 case TARGET_NR_setregid
:
9688 ret
= get_errno(setregid(low2highgid(arg1
), low2highgid(arg2
)));
9690 case TARGET_NR_getgroups
:
9692 int gidsetsize
= arg1
;
9693 target_id
*target_grouplist
;
9697 grouplist
= alloca(gidsetsize
* sizeof(gid_t
));
9698 ret
= get_errno(getgroups(gidsetsize
, grouplist
));
9699 if (gidsetsize
== 0)
9701 if (!is_error(ret
)) {
9702 target_grouplist
= lock_user(VERIFY_WRITE
, arg2
, gidsetsize
* sizeof(target_id
), 0);
9703 if (!target_grouplist
)
9705 for(i
= 0;i
< ret
; i
++)
9706 target_grouplist
[i
] = tswapid(high2lowgid(grouplist
[i
]));
9707 unlock_user(target_grouplist
, arg2
, gidsetsize
* sizeof(target_id
));
9711 case TARGET_NR_setgroups
:
9713 int gidsetsize
= arg1
;
9714 target_id
*target_grouplist
;
9715 gid_t
*grouplist
= NULL
;
9718 grouplist
= alloca(gidsetsize
* sizeof(gid_t
));
9719 target_grouplist
= lock_user(VERIFY_READ
, arg2
, gidsetsize
* sizeof(target_id
), 1);
9720 if (!target_grouplist
) {
9721 ret
= -TARGET_EFAULT
;
9724 for (i
= 0; i
< gidsetsize
; i
++) {
9725 grouplist
[i
] = low2highgid(tswapid(target_grouplist
[i
]));
9727 unlock_user(target_grouplist
, arg2
, 0);
9729 ret
= get_errno(setgroups(gidsetsize
, grouplist
));
9732 case TARGET_NR_fchown
:
9733 ret
= get_errno(fchown(arg1
, low2highuid(arg2
), low2highgid(arg3
)));
9735 #if defined(TARGET_NR_fchownat)
9736 case TARGET_NR_fchownat
:
9737 if (!(p
= lock_user_string(arg2
)))
9739 ret
= get_errno(fchownat(arg1
, p
, low2highuid(arg3
),
9740 low2highgid(arg4
), arg5
));
9741 unlock_user(p
, arg2
, 0);
9744 #ifdef TARGET_NR_setresuid
9745 case TARGET_NR_setresuid
:
9746 ret
= get_errno(sys_setresuid(low2highuid(arg1
),
9748 low2highuid(arg3
)));
9751 #ifdef TARGET_NR_getresuid
9752 case TARGET_NR_getresuid
:
9754 uid_t ruid
, euid
, suid
;
9755 ret
= get_errno(getresuid(&ruid
, &euid
, &suid
));
9756 if (!is_error(ret
)) {
9757 if (put_user_id(high2lowuid(ruid
), arg1
)
9758 || put_user_id(high2lowuid(euid
), arg2
)
9759 || put_user_id(high2lowuid(suid
), arg3
))
9765 #ifdef TARGET_NR_getresgid
9766 case TARGET_NR_setresgid
:
9767 ret
= get_errno(sys_setresgid(low2highgid(arg1
),
9769 low2highgid(arg3
)));
9772 #ifdef TARGET_NR_getresgid
9773 case TARGET_NR_getresgid
:
9775 gid_t rgid
, egid
, sgid
;
9776 ret
= get_errno(getresgid(&rgid
, &egid
, &sgid
));
9777 if (!is_error(ret
)) {
9778 if (put_user_id(high2lowgid(rgid
), arg1
)
9779 || put_user_id(high2lowgid(egid
), arg2
)
9780 || put_user_id(high2lowgid(sgid
), arg3
))
9786 #ifdef TARGET_NR_chown
9787 case TARGET_NR_chown
:
9788 if (!(p
= lock_user_string(arg1
)))
9790 ret
= get_errno(chown(p
, low2highuid(arg2
), low2highgid(arg3
)));
9791 unlock_user(p
, arg1
, 0);
9794 case TARGET_NR_setuid
:
9795 ret
= get_errno(sys_setuid(low2highuid(arg1
)));
9797 case TARGET_NR_setgid
:
9798 ret
= get_errno(sys_setgid(low2highgid(arg1
)));
9800 case TARGET_NR_setfsuid
:
9801 ret
= get_errno(setfsuid(arg1
));
9803 case TARGET_NR_setfsgid
:
9804 ret
= get_errno(setfsgid(arg1
));
9807 #ifdef TARGET_NR_lchown32
9808 case TARGET_NR_lchown32
:
9809 if (!(p
= lock_user_string(arg1
)))
9811 ret
= get_errno(lchown(p
, arg2
, arg3
));
9812 unlock_user(p
, arg1
, 0);
9815 #ifdef TARGET_NR_getuid32
9816 case TARGET_NR_getuid32
:
9817 ret
= get_errno(getuid());
9821 #if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
9822 /* Alpha specific */
9823 case TARGET_NR_getxuid
:
9827 ((CPUAlphaState
*)cpu_env
)->ir
[IR_A4
]=euid
;
9829 ret
= get_errno(getuid());
9832 #if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
9833 /* Alpha specific */
9834 case TARGET_NR_getxgid
:
9838 ((CPUAlphaState
*)cpu_env
)->ir
[IR_A4
]=egid
;
9840 ret
= get_errno(getgid());
9843 #if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA)
9844 /* Alpha specific */
9845 case TARGET_NR_osf_getsysinfo
:
9846 ret
= -TARGET_EOPNOTSUPP
;
9848 case TARGET_GSI_IEEE_FP_CONTROL
:
9850 uint64_t swcr
, fpcr
= cpu_alpha_load_fpcr (cpu_env
);
9852 /* Copied from linux ieee_fpcr_to_swcr. */
9853 swcr
= (fpcr
>> 35) & SWCR_STATUS_MASK
;
9854 swcr
|= (fpcr
>> 36) & SWCR_MAP_DMZ
;
9855 swcr
|= (~fpcr
>> 48) & (SWCR_TRAP_ENABLE_INV
9856 | SWCR_TRAP_ENABLE_DZE
9857 | SWCR_TRAP_ENABLE_OVF
);
9858 swcr
|= (~fpcr
>> 57) & (SWCR_TRAP_ENABLE_UNF
9859 | SWCR_TRAP_ENABLE_INE
);
9860 swcr
|= (fpcr
>> 47) & SWCR_MAP_UMZ
;
9861 swcr
|= (~fpcr
>> 41) & SWCR_TRAP_ENABLE_DNO
;
9863 if (put_user_u64 (swcr
, arg2
))
9869 /* case GSI_IEEE_STATE_AT_SIGNAL:
9870 -- Not implemented in linux kernel.
9872 -- Retrieves current unaligned access state; not much used.
9874 -- Retrieves implver information; surely not used.
9876 -- Grabs a copy of the HWRPB; surely not used.
9881 #if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA)
9882 /* Alpha specific */
9883 case TARGET_NR_osf_setsysinfo
:
9884 ret
= -TARGET_EOPNOTSUPP
;
9886 case TARGET_SSI_IEEE_FP_CONTROL
:
9888 uint64_t swcr
, fpcr
, orig_fpcr
;
9890 if (get_user_u64 (swcr
, arg2
)) {
9893 orig_fpcr
= cpu_alpha_load_fpcr(cpu_env
);
9894 fpcr
= orig_fpcr
& FPCR_DYN_MASK
;
9896 /* Copied from linux ieee_swcr_to_fpcr. */
9897 fpcr
|= (swcr
& SWCR_STATUS_MASK
) << 35;
9898 fpcr
|= (swcr
& SWCR_MAP_DMZ
) << 36;
9899 fpcr
|= (~swcr
& (SWCR_TRAP_ENABLE_INV
9900 | SWCR_TRAP_ENABLE_DZE
9901 | SWCR_TRAP_ENABLE_OVF
)) << 48;
9902 fpcr
|= (~swcr
& (SWCR_TRAP_ENABLE_UNF
9903 | SWCR_TRAP_ENABLE_INE
)) << 57;
9904 fpcr
|= (swcr
& SWCR_MAP_UMZ
? FPCR_UNDZ
| FPCR_UNFD
: 0);
9905 fpcr
|= (~swcr
& SWCR_TRAP_ENABLE_DNO
) << 41;
9907 cpu_alpha_store_fpcr(cpu_env
, fpcr
);
9912 case TARGET_SSI_IEEE_RAISE_EXCEPTION
:
9914 uint64_t exc
, fpcr
, orig_fpcr
;
9917 if (get_user_u64(exc
, arg2
)) {
9921 orig_fpcr
= cpu_alpha_load_fpcr(cpu_env
);
9923 /* We only add to the exception status here. */
9924 fpcr
= orig_fpcr
| ((exc
& SWCR_STATUS_MASK
) << 35);
9926 cpu_alpha_store_fpcr(cpu_env
, fpcr
);
9929 /* Old exceptions are not signaled. */
9930 fpcr
&= ~(orig_fpcr
& FPCR_STATUS_MASK
);
9932 /* If any exceptions set by this call,
9933 and are unmasked, send a signal. */
9935 if ((fpcr
& (FPCR_INE
| FPCR_INED
)) == FPCR_INE
) {
9936 si_code
= TARGET_FPE_FLTRES
;
9938 if ((fpcr
& (FPCR_UNF
| FPCR_UNFD
)) == FPCR_UNF
) {
9939 si_code
= TARGET_FPE_FLTUND
;
9941 if ((fpcr
& (FPCR_OVF
| FPCR_OVFD
)) == FPCR_OVF
) {
9942 si_code
= TARGET_FPE_FLTOVF
;
9944 if ((fpcr
& (FPCR_DZE
| FPCR_DZED
)) == FPCR_DZE
) {
9945 si_code
= TARGET_FPE_FLTDIV
;
9947 if ((fpcr
& (FPCR_INV
| FPCR_INVD
)) == FPCR_INV
) {
9948 si_code
= TARGET_FPE_FLTINV
;
9951 target_siginfo_t info
;
9952 info
.si_signo
= SIGFPE
;
9954 info
.si_code
= si_code
;
9955 info
._sifields
._sigfault
._addr
9956 = ((CPUArchState
*)cpu_env
)->pc
;
9957 queue_signal((CPUArchState
*)cpu_env
, info
.si_signo
, &info
);
9962 /* case SSI_NVPAIRS:
9963 -- Used with SSIN_UACPROC to enable unaligned accesses.
9964 case SSI_IEEE_STATE_AT_SIGNAL:
9965 case SSI_IEEE_IGNORE_STATE_AT_SIGNAL:
9966 -- Not implemented in linux kernel
9971 #ifdef TARGET_NR_osf_sigprocmask
9972 /* Alpha specific. */
9973 case TARGET_NR_osf_sigprocmask
:
9977 sigset_t set
, oldset
;
9980 case TARGET_SIG_BLOCK
:
9983 case TARGET_SIG_UNBLOCK
:
9986 case TARGET_SIG_SETMASK
:
9990 ret
= -TARGET_EINVAL
;
9994 target_to_host_old_sigset(&set
, &mask
);
9995 ret
= do_sigprocmask(how
, &set
, &oldset
);
9997 host_to_target_old_sigset(&mask
, &oldset
);
10004 #ifdef TARGET_NR_getgid32
10005 case TARGET_NR_getgid32
:
10006 ret
= get_errno(getgid());
10009 #ifdef TARGET_NR_geteuid32
10010 case TARGET_NR_geteuid32
:
10011 ret
= get_errno(geteuid());
10014 #ifdef TARGET_NR_getegid32
10015 case TARGET_NR_getegid32
:
10016 ret
= get_errno(getegid());
10019 #ifdef TARGET_NR_setreuid32
10020 case TARGET_NR_setreuid32
:
10021 ret
= get_errno(setreuid(arg1
, arg2
));
10024 #ifdef TARGET_NR_setregid32
10025 case TARGET_NR_setregid32
:
10026 ret
= get_errno(setregid(arg1
, arg2
));
10029 #ifdef TARGET_NR_getgroups32
10030 case TARGET_NR_getgroups32
:
10032 int gidsetsize
= arg1
;
10033 uint32_t *target_grouplist
;
10037 grouplist
= alloca(gidsetsize
* sizeof(gid_t
));
10038 ret
= get_errno(getgroups(gidsetsize
, grouplist
));
10039 if (gidsetsize
== 0)
10041 if (!is_error(ret
)) {
10042 target_grouplist
= lock_user(VERIFY_WRITE
, arg2
, gidsetsize
* 4, 0);
10043 if (!target_grouplist
) {
10044 ret
= -TARGET_EFAULT
;
10047 for(i
= 0;i
< ret
; i
++)
10048 target_grouplist
[i
] = tswap32(grouplist
[i
]);
10049 unlock_user(target_grouplist
, arg2
, gidsetsize
* 4);
10054 #ifdef TARGET_NR_setgroups32
10055 case TARGET_NR_setgroups32
:
10057 int gidsetsize
= arg1
;
10058 uint32_t *target_grouplist
;
10062 grouplist
= alloca(gidsetsize
* sizeof(gid_t
));
10063 target_grouplist
= lock_user(VERIFY_READ
, arg2
, gidsetsize
* 4, 1);
10064 if (!target_grouplist
) {
10065 ret
= -TARGET_EFAULT
;
10068 for(i
= 0;i
< gidsetsize
; i
++)
10069 grouplist
[i
] = tswap32(target_grouplist
[i
]);
10070 unlock_user(target_grouplist
, arg2
, 0);
10071 ret
= get_errno(setgroups(gidsetsize
, grouplist
));
10075 #ifdef TARGET_NR_fchown32
10076 case TARGET_NR_fchown32
:
10077 ret
= get_errno(fchown(arg1
, arg2
, arg3
));
10080 #ifdef TARGET_NR_setresuid32
10081 case TARGET_NR_setresuid32
:
10082 ret
= get_errno(sys_setresuid(arg1
, arg2
, arg3
));
10085 #ifdef TARGET_NR_getresuid32
10086 case TARGET_NR_getresuid32
:
10088 uid_t ruid
, euid
, suid
;
10089 ret
= get_errno(getresuid(&ruid
, &euid
, &suid
));
10090 if (!is_error(ret
)) {
10091 if (put_user_u32(ruid
, arg1
)
10092 || put_user_u32(euid
, arg2
)
10093 || put_user_u32(suid
, arg3
))
10099 #ifdef TARGET_NR_setresgid32
10100 case TARGET_NR_setresgid32
:
10101 ret
= get_errno(sys_setresgid(arg1
, arg2
, arg3
));
10104 #ifdef TARGET_NR_getresgid32
10105 case TARGET_NR_getresgid32
:
10107 gid_t rgid
, egid
, sgid
;
10108 ret
= get_errno(getresgid(&rgid
, &egid
, &sgid
));
10109 if (!is_error(ret
)) {
10110 if (put_user_u32(rgid
, arg1
)
10111 || put_user_u32(egid
, arg2
)
10112 || put_user_u32(sgid
, arg3
))
10118 #ifdef TARGET_NR_chown32
10119 case TARGET_NR_chown32
:
10120 if (!(p
= lock_user_string(arg1
)))
10122 ret
= get_errno(chown(p
, arg2
, arg3
));
10123 unlock_user(p
, arg1
, 0);
10126 #ifdef TARGET_NR_setuid32
10127 case TARGET_NR_setuid32
:
10128 ret
= get_errno(sys_setuid(arg1
));
10131 #ifdef TARGET_NR_setgid32
10132 case TARGET_NR_setgid32
:
10133 ret
= get_errno(sys_setgid(arg1
));
10136 #ifdef TARGET_NR_setfsuid32
10137 case TARGET_NR_setfsuid32
:
10138 ret
= get_errno(setfsuid(arg1
));
10141 #ifdef TARGET_NR_setfsgid32
10142 case TARGET_NR_setfsgid32
:
10143 ret
= get_errno(setfsgid(arg1
));
10147 case TARGET_NR_pivot_root
:
10148 goto unimplemented
;
10149 #ifdef TARGET_NR_mincore
10150 case TARGET_NR_mincore
:
10153 ret
= -TARGET_EFAULT
;
10154 if (!(a
= lock_user(VERIFY_READ
, arg1
,arg2
, 0)))
10156 if (!(p
= lock_user_string(arg3
)))
10158 ret
= get_errno(mincore(a
, arg2
, p
));
10159 unlock_user(p
, arg3
, ret
);
10161 unlock_user(a
, arg1
, 0);
10165 #ifdef TARGET_NR_arm_fadvise64_64
10166 case TARGET_NR_arm_fadvise64_64
:
10167 /* arm_fadvise64_64 looks like fadvise64_64 but
10168 * with different argument order: fd, advice, offset, len
10169 * rather than the usual fd, offset, len, advice.
10170 * Note that offset and len are both 64-bit so appear as
10171 * pairs of 32-bit registers.
10173 ret
= posix_fadvise(arg1
, target_offset64(arg3
, arg4
),
10174 target_offset64(arg5
, arg6
), arg2
);
10175 ret
= -host_to_target_errno(ret
);
10179 #if TARGET_ABI_BITS == 32
10181 #ifdef TARGET_NR_fadvise64_64
10182 case TARGET_NR_fadvise64_64
:
10183 /* 6 args: fd, offset (high, low), len (high, low), advice */
10184 if (regpairs_aligned(cpu_env
)) {
10185 /* offset is in (3,4), len in (5,6) and advice in 7 */
10192 ret
= -host_to_target_errno(posix_fadvise(arg1
,
10193 target_offset64(arg2
, arg3
),
10194 target_offset64(arg4
, arg5
),
10199 #ifdef TARGET_NR_fadvise64
10200 case TARGET_NR_fadvise64
:
10201 /* 5 args: fd, offset (high, low), len, advice */
10202 if (regpairs_aligned(cpu_env
)) {
10203 /* offset is in (3,4), len in 5 and advice in 6 */
10209 ret
= -host_to_target_errno(posix_fadvise(arg1
,
10210 target_offset64(arg2
, arg3
),
10215 #else /* not a 32-bit ABI */
10216 #if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_fadvise64)
10217 #ifdef TARGET_NR_fadvise64_64
10218 case TARGET_NR_fadvise64_64
:
10220 #ifdef TARGET_NR_fadvise64
10221 case TARGET_NR_fadvise64
:
10223 #ifdef TARGET_S390X
10225 case 4: arg4
= POSIX_FADV_NOREUSE
+ 1; break; /* make sure it's an invalid value */
10226 case 5: arg4
= POSIX_FADV_NOREUSE
+ 2; break; /* ditto */
10227 case 6: arg4
= POSIX_FADV_DONTNEED
; break;
10228 case 7: arg4
= POSIX_FADV_NOREUSE
; break;
10232 ret
= -host_to_target_errno(posix_fadvise(arg1
, arg2
, arg3
, arg4
));
10235 #endif /* end of 64-bit ABI fadvise handling */
10237 #ifdef TARGET_NR_madvise
10238 case TARGET_NR_madvise
:
10239 /* A straight passthrough may not be safe because qemu sometimes
10240 turns private file-backed mappings into anonymous mappings.
10241 This will break MADV_DONTNEED.
10242 This is a hint, so ignoring and returning success is ok. */
10243 ret
= get_errno(0);
10246 #if TARGET_ABI_BITS == 32
10247 case TARGET_NR_fcntl64
:
10251 from_flock64_fn
*copyfrom
= copy_from_user_flock64
;
10252 to_flock64_fn
*copyto
= copy_to_user_flock64
;
10255 if (((CPUARMState
*)cpu_env
)->eabi
) {
10256 copyfrom
= copy_from_user_eabi_flock64
;
10257 copyto
= copy_to_user_eabi_flock64
;
10261 cmd
= target_to_host_fcntl_cmd(arg2
);
10262 if (cmd
== -TARGET_EINVAL
) {
10268 case TARGET_F_GETLK64
:
10269 ret
= copyfrom(&fl
, arg3
);
10273 ret
= get_errno(fcntl(arg1
, cmd
, &fl
));
10275 ret
= copyto(arg3
, &fl
);
10279 case TARGET_F_SETLK64
:
10280 case TARGET_F_SETLKW64
:
10281 ret
= copyfrom(&fl
, arg3
);
10285 ret
= get_errno(safe_fcntl(arg1
, cmd
, &fl
));
10288 ret
= do_fcntl(arg1
, arg2
, arg3
);
10294 #ifdef TARGET_NR_cacheflush
10295 case TARGET_NR_cacheflush
:
10296 /* self-modifying code is handled automatically, so nothing needed */
10300 #ifdef TARGET_NR_security
10301 case TARGET_NR_security
:
10302 goto unimplemented
;
10304 #ifdef TARGET_NR_getpagesize
10305 case TARGET_NR_getpagesize
:
10306 ret
= TARGET_PAGE_SIZE
;
10309 case TARGET_NR_gettid
:
10310 ret
= get_errno(gettid());
10312 #ifdef TARGET_NR_readahead
10313 case TARGET_NR_readahead
:
10314 #if TARGET_ABI_BITS == 32
10315 if (regpairs_aligned(cpu_env
)) {
10320 ret
= get_errno(readahead(arg1
, ((off64_t
)arg3
<< 32) | arg2
, arg4
));
10322 ret
= get_errno(readahead(arg1
, arg2
, arg3
));
10327 #ifdef TARGET_NR_setxattr
10328 case TARGET_NR_listxattr
:
10329 case TARGET_NR_llistxattr
:
10333 b
= lock_user(VERIFY_WRITE
, arg2
, arg3
, 0);
10335 ret
= -TARGET_EFAULT
;
10339 p
= lock_user_string(arg1
);
10341 if (num
== TARGET_NR_listxattr
) {
10342 ret
= get_errno(listxattr(p
, b
, arg3
));
10344 ret
= get_errno(llistxattr(p
, b
, arg3
));
10347 ret
= -TARGET_EFAULT
;
10349 unlock_user(p
, arg1
, 0);
10350 unlock_user(b
, arg2
, arg3
);
10353 case TARGET_NR_flistxattr
:
10357 b
= lock_user(VERIFY_WRITE
, arg2
, arg3
, 0);
10359 ret
= -TARGET_EFAULT
;
10363 ret
= get_errno(flistxattr(arg1
, b
, arg3
));
10364 unlock_user(b
, arg2
, arg3
);
10367 case TARGET_NR_setxattr
:
10368 case TARGET_NR_lsetxattr
:
10370 void *p
, *n
, *v
= 0;
10372 v
= lock_user(VERIFY_READ
, arg3
, arg4
, 1);
10374 ret
= -TARGET_EFAULT
;
10378 p
= lock_user_string(arg1
);
10379 n
= lock_user_string(arg2
);
10381 if (num
== TARGET_NR_setxattr
) {
10382 ret
= get_errno(setxattr(p
, n
, v
, arg4
, arg5
));
10384 ret
= get_errno(lsetxattr(p
, n
, v
, arg4
, arg5
));
10387 ret
= -TARGET_EFAULT
;
10389 unlock_user(p
, arg1
, 0);
10390 unlock_user(n
, arg2
, 0);
10391 unlock_user(v
, arg3
, 0);
10394 case TARGET_NR_fsetxattr
:
10398 v
= lock_user(VERIFY_READ
, arg3
, arg4
, 1);
10400 ret
= -TARGET_EFAULT
;
10404 n
= lock_user_string(arg2
);
10406 ret
= get_errno(fsetxattr(arg1
, n
, v
, arg4
, arg5
));
10408 ret
= -TARGET_EFAULT
;
10410 unlock_user(n
, arg2
, 0);
10411 unlock_user(v
, arg3
, 0);
10414 case TARGET_NR_getxattr
:
10415 case TARGET_NR_lgetxattr
:
10417 void *p
, *n
, *v
= 0;
10419 v
= lock_user(VERIFY_WRITE
, arg3
, arg4
, 0);
10421 ret
= -TARGET_EFAULT
;
10425 p
= lock_user_string(arg1
);
10426 n
= lock_user_string(arg2
);
10428 if (num
== TARGET_NR_getxattr
) {
10429 ret
= get_errno(getxattr(p
, n
, v
, arg4
));
10431 ret
= get_errno(lgetxattr(p
, n
, v
, arg4
));
10434 ret
= -TARGET_EFAULT
;
10436 unlock_user(p
, arg1
, 0);
10437 unlock_user(n
, arg2
, 0);
10438 unlock_user(v
, arg3
, arg4
);
10441 case TARGET_NR_fgetxattr
:
10445 v
= lock_user(VERIFY_WRITE
, arg3
, arg4
, 0);
10447 ret
= -TARGET_EFAULT
;
10451 n
= lock_user_string(arg2
);
10453 ret
= get_errno(fgetxattr(arg1
, n
, v
, arg4
));
10455 ret
= -TARGET_EFAULT
;
10457 unlock_user(n
, arg2
, 0);
10458 unlock_user(v
, arg3
, arg4
);
10461 case TARGET_NR_removexattr
:
10462 case TARGET_NR_lremovexattr
:
10465 p
= lock_user_string(arg1
);
10466 n
= lock_user_string(arg2
);
10468 if (num
== TARGET_NR_removexattr
) {
10469 ret
= get_errno(removexattr(p
, n
));
10471 ret
= get_errno(lremovexattr(p
, n
));
10474 ret
= -TARGET_EFAULT
;
10476 unlock_user(p
, arg1
, 0);
10477 unlock_user(n
, arg2
, 0);
10480 case TARGET_NR_fremovexattr
:
10483 n
= lock_user_string(arg2
);
10485 ret
= get_errno(fremovexattr(arg1
, n
));
10487 ret
= -TARGET_EFAULT
;
10489 unlock_user(n
, arg2
, 0);
10493 #endif /* CONFIG_ATTR */
10494 #ifdef TARGET_NR_set_thread_area
10495 case TARGET_NR_set_thread_area
:
10496 #if defined(TARGET_MIPS)
10497 ((CPUMIPSState
*) cpu_env
)->active_tc
.CP0_UserLocal
= arg1
;
10500 #elif defined(TARGET_CRIS)
10502 ret
= -TARGET_EINVAL
;
10504 ((CPUCRISState
*) cpu_env
)->pregs
[PR_PID
] = arg1
;
10508 #elif defined(TARGET_I386) && defined(TARGET_ABI32)
10509 ret
= do_set_thread_area(cpu_env
, arg1
);
10511 #elif defined(TARGET_M68K)
10513 TaskState
*ts
= cpu
->opaque
;
10514 ts
->tp_value
= arg1
;
10519 goto unimplemented_nowarn
;
10522 #ifdef TARGET_NR_get_thread_area
10523 case TARGET_NR_get_thread_area
:
10524 #if defined(TARGET_I386) && defined(TARGET_ABI32)
10525 ret
= do_get_thread_area(cpu_env
, arg1
);
10527 #elif defined(TARGET_M68K)
10529 TaskState
*ts
= cpu
->opaque
;
10530 ret
= ts
->tp_value
;
10534 goto unimplemented_nowarn
;
10537 #ifdef TARGET_NR_getdomainname
10538 case TARGET_NR_getdomainname
:
10539 goto unimplemented_nowarn
;
10542 #ifdef TARGET_NR_clock_gettime
10543 case TARGET_NR_clock_gettime
:
10545 struct timespec ts
;
10546 ret
= get_errno(clock_gettime(arg1
, &ts
));
10547 if (!is_error(ret
)) {
10548 host_to_target_timespec(arg2
, &ts
);
10553 #ifdef TARGET_NR_clock_getres
10554 case TARGET_NR_clock_getres
:
10556 struct timespec ts
;
10557 ret
= get_errno(clock_getres(arg1
, &ts
));
10558 if (!is_error(ret
)) {
10559 host_to_target_timespec(arg2
, &ts
);
10564 #ifdef TARGET_NR_clock_nanosleep
10565 case TARGET_NR_clock_nanosleep
:
10567 struct timespec ts
;
10568 target_to_host_timespec(&ts
, arg3
);
10569 ret
= get_errno(safe_clock_nanosleep(arg1
, arg2
,
10570 &ts
, arg4
? &ts
: NULL
));
10572 host_to_target_timespec(arg4
, &ts
);
10574 #if defined(TARGET_PPC)
10575 /* clock_nanosleep is odd in that it returns positive errno values.
10576 * On PPC, CR0 bit 3 should be set in such a situation. */
10577 if (ret
&& ret
!= -TARGET_ERESTARTSYS
) {
10578 ((CPUPPCState
*)cpu_env
)->crf
[0] |= 1;
10585 #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
10586 case TARGET_NR_set_tid_address
:
10587 ret
= get_errno(set_tid_address((int *)g2h(arg1
)));
10591 case TARGET_NR_tkill
:
10592 ret
= get_errno(safe_tkill((int)arg1
, target_to_host_signal(arg2
)));
10595 case TARGET_NR_tgkill
:
10596 ret
= get_errno(safe_tgkill((int)arg1
, (int)arg2
,
10597 target_to_host_signal(arg3
)));
10600 #ifdef TARGET_NR_set_robust_list
10601 case TARGET_NR_set_robust_list
:
10602 case TARGET_NR_get_robust_list
:
10603 /* The ABI for supporting robust futexes has userspace pass
10604 * the kernel a pointer to a linked list which is updated by
10605 * userspace after the syscall; the list is walked by the kernel
10606 * when the thread exits. Since the linked list in QEMU guest
10607 * memory isn't a valid linked list for the host and we have
10608 * no way to reliably intercept the thread-death event, we can't
10609 * support these. Silently return ENOSYS so that guest userspace
10610 * falls back to a non-robust futex implementation (which should
10611 * be OK except in the corner case of the guest crashing while
10612 * holding a mutex that is shared with another process via
10615 goto unimplemented_nowarn
;
10618 #if defined(TARGET_NR_utimensat)
10619 case TARGET_NR_utimensat
:
10621 struct timespec
*tsp
, ts
[2];
10625 target_to_host_timespec(ts
, arg3
);
10626 target_to_host_timespec(ts
+1, arg3
+sizeof(struct target_timespec
));
10630 ret
= get_errno(sys_utimensat(arg1
, NULL
, tsp
, arg4
));
10632 if (!(p
= lock_user_string(arg2
))) {
10633 ret
= -TARGET_EFAULT
;
10636 ret
= get_errno(sys_utimensat(arg1
, path(p
), tsp
, arg4
));
10637 unlock_user(p
, arg2
, 0);
10642 case TARGET_NR_futex
:
10643 ret
= do_futex(arg1
, arg2
, arg3
, arg4
, arg5
, arg6
);
10645 #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
10646 case TARGET_NR_inotify_init
:
10647 ret
= get_errno(sys_inotify_init());
10650 #ifdef CONFIG_INOTIFY1
10651 #if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
10652 case TARGET_NR_inotify_init1
:
10653 ret
= get_errno(sys_inotify_init1(arg1
));
10657 #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
10658 case TARGET_NR_inotify_add_watch
:
10659 p
= lock_user_string(arg2
);
10660 ret
= get_errno(sys_inotify_add_watch(arg1
, path(p
), arg3
));
10661 unlock_user(p
, arg2
, 0);
10664 #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
10665 case TARGET_NR_inotify_rm_watch
:
10666 ret
= get_errno(sys_inotify_rm_watch(arg1
, arg2
));
10670 #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
10671 case TARGET_NR_mq_open
:
10673 struct mq_attr posix_mq_attr
, *attrp
;
10675 p
= lock_user_string(arg1
- 1);
10677 copy_from_user_mq_attr (&posix_mq_attr
, arg4
);
10678 attrp
= &posix_mq_attr
;
10682 ret
= get_errno(mq_open(p
, arg2
, arg3
, attrp
));
10683 unlock_user (p
, arg1
, 0);
10687 case TARGET_NR_mq_unlink
:
10688 p
= lock_user_string(arg1
- 1);
10689 ret
= get_errno(mq_unlink(p
));
10690 unlock_user (p
, arg1
, 0);
10693 case TARGET_NR_mq_timedsend
:
10695 struct timespec ts
;
10697 p
= lock_user (VERIFY_READ
, arg2
, arg3
, 1);
10699 target_to_host_timespec(&ts
, arg5
);
10700 ret
= get_errno(safe_mq_timedsend(arg1
, p
, arg3
, arg4
, &ts
));
10701 host_to_target_timespec(arg5
, &ts
);
10703 ret
= get_errno(safe_mq_timedsend(arg1
, p
, arg3
, arg4
, NULL
));
10705 unlock_user (p
, arg2
, arg3
);
10709 case TARGET_NR_mq_timedreceive
:
10711 struct timespec ts
;
10714 p
= lock_user (VERIFY_READ
, arg2
, arg3
, 1);
10716 target_to_host_timespec(&ts
, arg5
);
10717 ret
= get_errno(safe_mq_timedreceive(arg1
, p
, arg3
,
10719 host_to_target_timespec(arg5
, &ts
);
10721 ret
= get_errno(safe_mq_timedreceive(arg1
, p
, arg3
,
10724 unlock_user (p
, arg2
, arg3
);
10726 put_user_u32(prio
, arg4
);
10730 /* Not implemented for now... */
10731 /* case TARGET_NR_mq_notify: */
10734 case TARGET_NR_mq_getsetattr
:
10736 struct mq_attr posix_mq_attr_in
, posix_mq_attr_out
;
10739 ret
= mq_getattr(arg1
, &posix_mq_attr_out
);
10740 copy_to_user_mq_attr(arg3
, &posix_mq_attr_out
);
10743 copy_from_user_mq_attr(&posix_mq_attr_in
, arg2
);
10744 ret
|= mq_setattr(arg1
, &posix_mq_attr_in
, &posix_mq_attr_out
);
10751 #ifdef CONFIG_SPLICE
10752 #ifdef TARGET_NR_tee
10753 case TARGET_NR_tee
:
10755 ret
= get_errno(tee(arg1
,arg2
,arg3
,arg4
));
10759 #ifdef TARGET_NR_splice
10760 case TARGET_NR_splice
:
10762 loff_t loff_in
, loff_out
;
10763 loff_t
*ploff_in
= NULL
, *ploff_out
= NULL
;
10765 if (get_user_u64(loff_in
, arg2
)) {
10768 ploff_in
= &loff_in
;
10771 if (get_user_u64(loff_out
, arg4
)) {
10774 ploff_out
= &loff_out
;
10776 ret
= get_errno(splice(arg1
, ploff_in
, arg3
, ploff_out
, arg5
, arg6
));
10778 if (put_user_u64(loff_in
, arg2
)) {
10783 if (put_user_u64(loff_out
, arg4
)) {
10790 #ifdef TARGET_NR_vmsplice
10791 case TARGET_NR_vmsplice
:
10793 struct iovec
*vec
= lock_iovec(VERIFY_READ
, arg2
, arg3
, 1);
10795 ret
= get_errno(vmsplice(arg1
, vec
, arg3
, arg4
));
10796 unlock_iovec(vec
, arg2
, arg3
, 0);
10798 ret
= -host_to_target_errno(errno
);
10803 #endif /* CONFIG_SPLICE */
10804 #ifdef CONFIG_EVENTFD
10805 #if defined(TARGET_NR_eventfd)
10806 case TARGET_NR_eventfd
:
10807 ret
= get_errno(eventfd(arg1
, 0));
10808 fd_trans_unregister(ret
);
10811 #if defined(TARGET_NR_eventfd2)
10812 case TARGET_NR_eventfd2
:
10814 int host_flags
= arg2
& (~(TARGET_O_NONBLOCK
| TARGET_O_CLOEXEC
));
10815 if (arg2
& TARGET_O_NONBLOCK
) {
10816 host_flags
|= O_NONBLOCK
;
10818 if (arg2
& TARGET_O_CLOEXEC
) {
10819 host_flags
|= O_CLOEXEC
;
10821 ret
= get_errno(eventfd(arg1
, host_flags
));
10822 fd_trans_unregister(ret
);
10826 #endif /* CONFIG_EVENTFD */
10827 #if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate)
10828 case TARGET_NR_fallocate
:
10829 #if TARGET_ABI_BITS == 32
10830 ret
= get_errno(fallocate(arg1
, arg2
, target_offset64(arg3
, arg4
),
10831 target_offset64(arg5
, arg6
)));
10833 ret
= get_errno(fallocate(arg1
, arg2
, arg3
, arg4
));
10837 #if defined(CONFIG_SYNC_FILE_RANGE)
10838 #if defined(TARGET_NR_sync_file_range)
10839 case TARGET_NR_sync_file_range
:
10840 #if TARGET_ABI_BITS == 32
10841 #if defined(TARGET_MIPS)
10842 ret
= get_errno(sync_file_range(arg1
, target_offset64(arg3
, arg4
),
10843 target_offset64(arg5
, arg6
), arg7
));
10845 ret
= get_errno(sync_file_range(arg1
, target_offset64(arg2
, arg3
),
10846 target_offset64(arg4
, arg5
), arg6
));
10847 #endif /* !TARGET_MIPS */
10849 ret
= get_errno(sync_file_range(arg1
, arg2
, arg3
, arg4
));
10853 #if defined(TARGET_NR_sync_file_range2)
10854 case TARGET_NR_sync_file_range2
:
10855 /* This is like sync_file_range but the arguments are reordered */
10856 #if TARGET_ABI_BITS == 32
10857 ret
= get_errno(sync_file_range(arg1
, target_offset64(arg3
, arg4
),
10858 target_offset64(arg5
, arg6
), arg2
));
10860 ret
= get_errno(sync_file_range(arg1
, arg3
, arg4
, arg2
));
10865 #if defined(TARGET_NR_signalfd4)
10866 case TARGET_NR_signalfd4
:
10867 ret
= do_signalfd4(arg1
, arg2
, arg4
);
10870 #if defined(TARGET_NR_signalfd)
10871 case TARGET_NR_signalfd
:
10872 ret
= do_signalfd4(arg1
, arg2
, 0);
10875 #if defined(CONFIG_EPOLL)
10876 #if defined(TARGET_NR_epoll_create)
10877 case TARGET_NR_epoll_create
:
10878 ret
= get_errno(epoll_create(arg1
));
10881 #if defined(TARGET_NR_epoll_create1) && defined(CONFIG_EPOLL_CREATE1)
10882 case TARGET_NR_epoll_create1
:
10883 ret
= get_errno(epoll_create1(arg1
));
10886 #if defined(TARGET_NR_epoll_ctl)
10887 case TARGET_NR_epoll_ctl
:
10889 struct epoll_event ep
;
10890 struct epoll_event
*epp
= 0;
10892 struct target_epoll_event
*target_ep
;
10893 if (!lock_user_struct(VERIFY_READ
, target_ep
, arg4
, 1)) {
10896 ep
.events
= tswap32(target_ep
->events
);
10897 /* The epoll_data_t union is just opaque data to the kernel,
10898 * so we transfer all 64 bits across and need not worry what
10899 * actual data type it is.
10901 ep
.data
.u64
= tswap64(target_ep
->data
.u64
);
10902 unlock_user_struct(target_ep
, arg4
, 0);
10905 ret
= get_errno(epoll_ctl(arg1
, arg2
, arg3
, epp
));
10910 #if defined(TARGET_NR_epoll_wait) || defined(TARGET_NR_epoll_pwait)
10911 #if defined(TARGET_NR_epoll_wait)
10912 case TARGET_NR_epoll_wait
:
10914 #if defined(TARGET_NR_epoll_pwait)
10915 case TARGET_NR_epoll_pwait
:
10918 struct target_epoll_event
*target_ep
;
10919 struct epoll_event
*ep
;
10921 int maxevents
= arg3
;
10922 int timeout
= arg4
;
10924 target_ep
= lock_user(VERIFY_WRITE
, arg2
,
10925 maxevents
* sizeof(struct target_epoll_event
), 1);
10930 ep
= alloca(maxevents
* sizeof(struct epoll_event
));
10933 #if defined(TARGET_NR_epoll_pwait)
10934 case TARGET_NR_epoll_pwait
:
10936 target_sigset_t
*target_set
;
10937 sigset_t _set
, *set
= &_set
;
10940 target_set
= lock_user(VERIFY_READ
, arg5
,
10941 sizeof(target_sigset_t
), 1);
10943 unlock_user(target_ep
, arg2
, 0);
10946 target_to_host_sigset(set
, target_set
);
10947 unlock_user(target_set
, arg5
, 0);
10952 ret
= get_errno(safe_epoll_pwait(epfd
, ep
, maxevents
, timeout
,
10953 set
, SIGSET_T_SIZE
));
10957 #if defined(TARGET_NR_epoll_wait)
10958 case TARGET_NR_epoll_wait
:
10959 ret
= get_errno(safe_epoll_pwait(epfd
, ep
, maxevents
, timeout
,
10964 ret
= -TARGET_ENOSYS
;
10966 if (!is_error(ret
)) {
10968 for (i
= 0; i
< ret
; i
++) {
10969 target_ep
[i
].events
= tswap32(ep
[i
].events
);
10970 target_ep
[i
].data
.u64
= tswap64(ep
[i
].data
.u64
);
10973 unlock_user(target_ep
, arg2
, ret
* sizeof(struct target_epoll_event
));
10978 #ifdef TARGET_NR_prlimit64
10979 case TARGET_NR_prlimit64
:
10981 /* args: pid, resource number, ptr to new rlimit, ptr to old rlimit */
10982 struct target_rlimit64
*target_rnew
, *target_rold
;
10983 struct host_rlimit64 rnew
, rold
, *rnewp
= 0;
10984 int resource
= target_to_host_resource(arg2
);
10986 if (!lock_user_struct(VERIFY_READ
, target_rnew
, arg3
, 1)) {
10989 rnew
.rlim_cur
= tswap64(target_rnew
->rlim_cur
);
10990 rnew
.rlim_max
= tswap64(target_rnew
->rlim_max
);
10991 unlock_user_struct(target_rnew
, arg3
, 0);
10995 ret
= get_errno(sys_prlimit64(arg1
, resource
, rnewp
, arg4
? &rold
: 0));
10996 if (!is_error(ret
) && arg4
) {
10997 if (!lock_user_struct(VERIFY_WRITE
, target_rold
, arg4
, 1)) {
11000 target_rold
->rlim_cur
= tswap64(rold
.rlim_cur
);
11001 target_rold
->rlim_max
= tswap64(rold
.rlim_max
);
11002 unlock_user_struct(target_rold
, arg4
, 1);
11007 #ifdef TARGET_NR_gethostname
11008 case TARGET_NR_gethostname
:
11010 char *name
= lock_user(VERIFY_WRITE
, arg1
, arg2
, 0);
11012 ret
= get_errno(gethostname(name
, arg2
));
11013 unlock_user(name
, arg1
, arg2
);
11015 ret
= -TARGET_EFAULT
;
11020 #ifdef TARGET_NR_atomic_cmpxchg_32
11021 case TARGET_NR_atomic_cmpxchg_32
:
11023 /* should use start_exclusive from main.c */
11024 abi_ulong mem_value
;
11025 if (get_user_u32(mem_value
, arg6
)) {
11026 target_siginfo_t info
;
11027 info
.si_signo
= SIGSEGV
;
11029 info
.si_code
= TARGET_SEGV_MAPERR
;
11030 info
._sifields
._sigfault
._addr
= arg6
;
11031 queue_signal((CPUArchState
*)cpu_env
, info
.si_signo
, &info
);
11035 if (mem_value
== arg2
)
11036 put_user_u32(arg1
, arg6
);
11041 #ifdef TARGET_NR_atomic_barrier
11042 case TARGET_NR_atomic_barrier
:
11044 /* Like the kernel implementation and the qemu arm barrier, no-op this? */
11050 #ifdef TARGET_NR_timer_create
11051 case TARGET_NR_timer_create
:
11053 /* args: clockid_t clockid, struct sigevent *sevp, timer_t *timerid */
11055 struct sigevent host_sevp
= { {0}, }, *phost_sevp
= NULL
;
11058 int timer_index
= next_free_host_timer();
11060 if (timer_index
< 0) {
11061 ret
= -TARGET_EAGAIN
;
11063 timer_t
*phtimer
= g_posix_timers
+ timer_index
;
11066 phost_sevp
= &host_sevp
;
11067 ret
= target_to_host_sigevent(phost_sevp
, arg2
);
11073 ret
= get_errno(timer_create(clkid
, phost_sevp
, phtimer
));
11077 if (put_user(TIMER_MAGIC
| timer_index
, arg3
, target_timer_t
)) {
11086 #ifdef TARGET_NR_timer_settime
11087 case TARGET_NR_timer_settime
:
11089 /* args: timer_t timerid, int flags, const struct itimerspec *new_value,
11090 * struct itimerspec * old_value */
11091 target_timer_t timerid
= get_timer_id(arg1
);
11095 } else if (arg3
== 0) {
11096 ret
= -TARGET_EINVAL
;
11098 timer_t htimer
= g_posix_timers
[timerid
];
11099 struct itimerspec hspec_new
= {{0},}, hspec_old
= {{0},};
11101 target_to_host_itimerspec(&hspec_new
, arg3
);
11103 timer_settime(htimer
, arg2
, &hspec_new
, &hspec_old
));
11104 host_to_target_itimerspec(arg2
, &hspec_old
);
11110 #ifdef TARGET_NR_timer_gettime
11111 case TARGET_NR_timer_gettime
:
11113 /* args: timer_t timerid, struct itimerspec *curr_value */
11114 target_timer_t timerid
= get_timer_id(arg1
);
11118 } else if (!arg2
) {
11119 ret
= -TARGET_EFAULT
;
11121 timer_t htimer
= g_posix_timers
[timerid
];
11122 struct itimerspec hspec
;
11123 ret
= get_errno(timer_gettime(htimer
, &hspec
));
11125 if (host_to_target_itimerspec(arg2
, &hspec
)) {
11126 ret
= -TARGET_EFAULT
;
11133 #ifdef TARGET_NR_timer_getoverrun
11134 case TARGET_NR_timer_getoverrun
:
11136 /* args: timer_t timerid */
11137 target_timer_t timerid
= get_timer_id(arg1
);
11142 timer_t htimer
= g_posix_timers
[timerid
];
11143 ret
= get_errno(timer_getoverrun(htimer
));
11145 fd_trans_unregister(ret
);
11150 #ifdef TARGET_NR_timer_delete
11151 case TARGET_NR_timer_delete
:
11153 /* args: timer_t timerid */
11154 target_timer_t timerid
= get_timer_id(arg1
);
11159 timer_t htimer
= g_posix_timers
[timerid
];
11160 ret
= get_errno(timer_delete(htimer
));
11161 g_posix_timers
[timerid
] = 0;
11167 #if defined(TARGET_NR_timerfd_create) && defined(CONFIG_TIMERFD)
11168 case TARGET_NR_timerfd_create
:
11169 ret
= get_errno(timerfd_create(arg1
,
11170 target_to_host_bitmask(arg2
, fcntl_flags_tbl
)));
11174 #if defined(TARGET_NR_timerfd_gettime) && defined(CONFIG_TIMERFD)
11175 case TARGET_NR_timerfd_gettime
:
11177 struct itimerspec its_curr
;
11179 ret
= get_errno(timerfd_gettime(arg1
, &its_curr
));
11181 if (arg2
&& host_to_target_itimerspec(arg2
, &its_curr
)) {
11188 #if defined(TARGET_NR_timerfd_settime) && defined(CONFIG_TIMERFD)
11189 case TARGET_NR_timerfd_settime
:
11191 struct itimerspec its_new
, its_old
, *p_new
;
11194 if (target_to_host_itimerspec(&its_new
, arg3
)) {
11202 ret
= get_errno(timerfd_settime(arg1
, arg2
, p_new
, &its_old
));
11204 if (arg4
&& host_to_target_itimerspec(arg4
, &its_old
)) {
11211 #if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get)
11212 case TARGET_NR_ioprio_get
:
11213 ret
= get_errno(ioprio_get(arg1
, arg2
));
11217 #if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set)
11218 case TARGET_NR_ioprio_set
:
11219 ret
= get_errno(ioprio_set(arg1
, arg2
, arg3
));
11223 #if defined(TARGET_NR_setns) && defined(CONFIG_SETNS)
11224 case TARGET_NR_setns
:
11225 ret
= get_errno(setns(arg1
, arg2
));
11228 #if defined(TARGET_NR_unshare) && defined(CONFIG_SETNS)
11229 case TARGET_NR_unshare
:
11230 ret
= get_errno(unshare(arg1
));
11236 gemu_log("qemu: Unsupported syscall: %d\n", num
);
11237 #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
11238 unimplemented_nowarn
:
11240 ret
= -TARGET_ENOSYS
;
11245 gemu_log(" = " TARGET_ABI_FMT_ld
"\n", ret
);
11248 print_syscall_ret(num
, ret
);
11249 trace_guest_user_syscall_ret(cpu
, num
, ret
);
11252 ret
= -TARGET_EFAULT
;