1 #ifndef _LINUX_COMPAT_H
2 #define _LINUX_COMPAT_H
4 * These are the type definitions for the architecture specific
5 * syscall compatibility layer.
10 #include <linux/stat.h>
11 #include <linux/param.h> /* for HZ */
12 #include <linux/sem.h>
13 #include <linux/socket.h>
16 #include <linux/aio_abi.h> /* for aio_context_t */
18 #include <asm/compat.h>
19 #include <asm/siginfo.h>
20 #include <asm/signal.h>
22 #define compat_jiffies_to_clock_t(x) \
23 (((unsigned long)(x) * COMPAT_USER_HZ) / HZ)
25 typedef __compat_uid32_t compat_uid_t
;
26 typedef __compat_gid32_t compat_gid_t
;
28 struct compat_sel_arg_struct
;
31 struct compat_itimerspec
{
32 struct compat_timespec it_interval
;
33 struct compat_timespec it_value
;
36 struct compat_utimbuf
{
38 compat_time_t modtime
;
41 struct compat_itimerval
{
42 struct compat_timeval it_interval
;
43 struct compat_timeval it_value
;
47 compat_clock_t tms_utime
;
48 compat_clock_t tms_stime
;
49 compat_clock_t tms_cutime
;
50 compat_clock_t tms_cstime
;
57 compat_long_t maxerror
;
58 compat_long_t esterror
;
60 compat_long_t constant
;
61 compat_long_t precision
;
62 compat_long_t tolerance
;
63 struct compat_timeval time
;
65 compat_long_t ppsfreq
;
75 compat_int_t
:32; compat_int_t
:32; compat_int_t
:32; compat_int_t
:32;
76 compat_int_t
:32; compat_int_t
:32; compat_int_t
:32; compat_int_t
:32;
77 compat_int_t
:32; compat_int_t
:32; compat_int_t
:32;
80 #define _COMPAT_NSIG_WORDS (_COMPAT_NSIG / _COMPAT_NSIG_BPW)
83 compat_sigset_word sig
[_COMPAT_NSIG_WORDS
];
86 extern int get_compat_timespec(struct timespec
*,
87 const struct compat_timespec __user
*);
88 extern int put_compat_timespec(const struct timespec
*,
89 struct compat_timespec __user
*);
92 compat_uptr_t iov_base
;
93 compat_size_t iov_len
;
96 struct compat_rlimit
{
97 compat_ulong_t rlim_cur
;
98 compat_ulong_t rlim_max
;
101 struct compat_rusage
{
102 struct compat_timeval ru_utime
;
103 struct compat_timeval ru_stime
;
104 compat_long_t ru_maxrss
;
105 compat_long_t ru_ixrss
;
106 compat_long_t ru_idrss
;
107 compat_long_t ru_isrss
;
108 compat_long_t ru_minflt
;
109 compat_long_t ru_majflt
;
110 compat_long_t ru_nswap
;
111 compat_long_t ru_inblock
;
112 compat_long_t ru_oublock
;
113 compat_long_t ru_msgsnd
;
114 compat_long_t ru_msgrcv
;
115 compat_long_t ru_nsignals
;
116 compat_long_t ru_nvcsw
;
117 compat_long_t ru_nivcsw
;
120 extern int put_compat_rusage(const struct rusage
*,
121 struct compat_rusage __user
*);
123 struct compat_siginfo
;
125 extern asmlinkage
long compat_sys_waitid(int, compat_pid_t
,
126 struct compat_siginfo __user
*, int,
127 struct compat_rusage __user
*);
129 struct compat_dirent
{
136 struct compat_ustat
{
137 compat_daddr_t f_tfree
;
138 compat_ino_t f_tinode
;
143 typedef union compat_sigval
{
144 compat_int_t sival_int
;
145 compat_uptr_t sival_ptr
;
148 #define COMPAT_SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE/sizeof(int)) - 3)
150 typedef struct compat_sigevent
{
151 compat_sigval_t sigev_value
;
152 compat_int_t sigev_signo
;
153 compat_int_t sigev_notify
;
155 compat_int_t _pad
[COMPAT_SIGEV_PAD_SIZE
];
159 compat_uptr_t _function
;
160 compat_uptr_t _attribute
;
165 struct compat_ifmap
{
166 compat_ulong_t mem_start
;
167 compat_ulong_t mem_end
;
168 unsigned short base_addr
;
174 struct compat_if_settings
{
175 unsigned int type
; /* Type of physical device or protocol */
176 unsigned int size
; /* Size of the data allocated by the caller */
177 compat_uptr_t ifs_ifsu
; /* union of pointers */
180 struct compat_ifreq
{
182 char ifrn_name
[IFNAMSIZ
]; /* if name, e.g. "en0" */
185 struct sockaddr ifru_addr
;
186 struct sockaddr ifru_dstaddr
;
187 struct sockaddr ifru_broadaddr
;
188 struct sockaddr ifru_netmask
;
189 struct sockaddr ifru_hwaddr
;
191 compat_int_t ifru_ivalue
;
192 compat_int_t ifru_mtu
;
193 struct compat_ifmap ifru_map
;
194 char ifru_slave
[IFNAMSIZ
]; /* Just fits the size */
195 char ifru_newname
[IFNAMSIZ
];
196 compat_caddr_t ifru_data
;
197 struct compat_if_settings ifru_settings
;
201 struct compat_ifconf
{
202 compat_int_t ifc_len
; /* size of buffer */
203 compat_caddr_t ifcbuf
;
206 struct compat_robust_list
{
210 struct compat_robust_list_head
{
211 struct compat_robust_list list
;
212 compat_long_t futex_offset
;
213 compat_uptr_t list_op_pending
;
216 struct compat_statfs
;
217 struct compat_statfs64
;
218 struct compat_old_linux_dirent
;
219 struct compat_linux_dirent
;
220 struct linux_dirent64
;
221 struct compat_msghdr
;
222 struct compat_mmsghdr
;
223 struct compat_sysinfo
;
224 struct compat_sysctl_args
;
225 struct compat_kexec_segment
;
226 struct compat_mq_attr
;
228 extern void compat_exit_robust_list(struct task_struct
*curr
);
231 compat_sys_set_robust_list(struct compat_robust_list_head __user
*head
,
234 compat_sys_get_robust_list(int pid
, compat_uptr_t __user
*head_ptr
,
235 compat_size_t __user
*len_ptr
);
237 long compat_sys_semctl(int first
, int second
, int third
, void __user
*uptr
);
238 long compat_sys_msgsnd(int first
, int second
, int third
, void __user
*uptr
);
239 long compat_sys_msgrcv(int first
, int second
, int msgtyp
, int third
,
240 int version
, void __user
*uptr
);
241 long compat_sys_msgctl(int first
, int second
, void __user
*uptr
);
242 long compat_sys_shmat(int first
, int second
, compat_uptr_t third
, int version
,
244 long compat_sys_shmctl(int first
, int second
, void __user
*uptr
);
245 long compat_sys_semtimedop(int semid
, struct sembuf __user
*tsems
,
246 unsigned nsems
, const struct compat_timespec __user
*timeout
);
247 asmlinkage
long compat_sys_keyctl(u32 option
,
248 u32 arg2
, u32 arg3
, u32 arg4
, u32 arg5
);
249 asmlinkage
long compat_sys_ustat(unsigned dev
, struct compat_ustat __user
*u32
);
251 asmlinkage ssize_t
compat_sys_readv(unsigned long fd
,
252 const struct compat_iovec __user
*vec
, unsigned long vlen
);
253 asmlinkage ssize_t
compat_sys_writev(unsigned long fd
,
254 const struct compat_iovec __user
*vec
, unsigned long vlen
);
255 asmlinkage ssize_t
compat_sys_preadv(unsigned long fd
,
256 const struct compat_iovec __user
*vec
,
257 unsigned long vlen
, u32 pos_low
, u32 pos_high
);
258 asmlinkage ssize_t
compat_sys_pwritev(unsigned long fd
,
259 const struct compat_iovec __user
*vec
,
260 unsigned long vlen
, u32 pos_low
, u32 pos_high
);
262 int compat_do_execve(char *filename
, compat_uptr_t __user
*argv
,
263 compat_uptr_t __user
*envp
, struct pt_regs
*regs
);
265 asmlinkage
long compat_sys_select(int n
, compat_ulong_t __user
*inp
,
266 compat_ulong_t __user
*outp
, compat_ulong_t __user
*exp
,
267 struct compat_timeval __user
*tvp
);
269 asmlinkage
long compat_sys_old_select(struct compat_sel_arg_struct __user
*arg
);
271 asmlinkage
long compat_sys_wait4(compat_pid_t pid
,
272 compat_uint_t __user
*stat_addr
, int options
,
273 struct compat_rusage __user
*ru
);
275 #define BITS_PER_COMPAT_LONG (8*sizeof(compat_long_t))
277 #define BITS_TO_COMPAT_LONGS(bits) \
278 (((bits)+BITS_PER_COMPAT_LONG-1)/BITS_PER_COMPAT_LONG)
280 long compat_get_bitmap(unsigned long *mask
, const compat_ulong_t __user
*umask
,
281 unsigned long bitmap_size
);
282 long compat_put_bitmap(compat_ulong_t __user
*umask
, unsigned long *mask
,
283 unsigned long bitmap_size
);
284 int copy_siginfo_from_user32(siginfo_t
*to
, struct compat_siginfo __user
*from
);
285 int copy_siginfo_to_user32(struct compat_siginfo __user
*to
, siginfo_t
*from
);
286 int get_compat_sigevent(struct sigevent
*event
,
287 const struct compat_sigevent __user
*u_event
);
288 long compat_sys_rt_tgsigqueueinfo(compat_pid_t tgid
, compat_pid_t pid
, int sig
,
289 struct compat_siginfo __user
*uinfo
);
291 static inline int compat_timeval_compare(struct compat_timeval
*lhs
,
292 struct compat_timeval
*rhs
)
294 if (lhs
->tv_sec
< rhs
->tv_sec
)
296 if (lhs
->tv_sec
> rhs
->tv_sec
)
298 return lhs
->tv_usec
- rhs
->tv_usec
;
301 static inline int compat_timespec_compare(struct compat_timespec
*lhs
,
302 struct compat_timespec
*rhs
)
304 if (lhs
->tv_sec
< rhs
->tv_sec
)
306 if (lhs
->tv_sec
> rhs
->tv_sec
)
308 return lhs
->tv_nsec
- rhs
->tv_nsec
;
311 extern int get_compat_itimerspec(struct itimerspec
*dst
,
312 const struct compat_itimerspec __user
*src
);
313 extern int put_compat_itimerspec(struct compat_itimerspec __user
*dst
,
314 const struct itimerspec
*src
);
316 asmlinkage
long compat_sys_gettimeofday(struct compat_timeval __user
*tv
,
317 struct timezone __user
*tz
);
318 asmlinkage
long compat_sys_settimeofday(struct compat_timeval __user
*tv
,
319 struct timezone __user
*tz
);
321 asmlinkage
long compat_sys_adjtimex(struct compat_timex __user
*utp
);
323 extern int compat_printk(const char *fmt
, ...);
324 extern void sigset_from_compat(sigset_t
*set
, compat_sigset_t
*compat
);
326 asmlinkage
long compat_sys_migrate_pages(compat_pid_t pid
,
327 compat_ulong_t maxnode
, const compat_ulong_t __user
*old_nodes
,
328 const compat_ulong_t __user
*new_nodes
);
330 extern int compat_ptrace_request(struct task_struct
*child
,
331 compat_long_t request
,
332 compat_ulong_t addr
, compat_ulong_t data
);
334 extern long compat_arch_ptrace(struct task_struct
*child
, compat_long_t request
,
335 compat_ulong_t addr
, compat_ulong_t data
);
336 asmlinkage
long compat_sys_ptrace(compat_long_t request
, compat_long_t pid
,
337 compat_long_t addr
, compat_long_t data
);
340 * epoll (fs/eventpoll.c) compat bits follow ...
343 #define compat_epoll_event epoll_event
344 asmlinkage
long compat_sys_epoll_pwait(int epfd
,
345 struct compat_epoll_event __user
*events
,
346 int maxevents
, int timeout
,
347 const compat_sigset_t __user
*sigmask
,
348 compat_size_t sigsetsize
);
350 asmlinkage
long compat_sys_utime(const char __user
*filename
,
351 struct compat_utimbuf __user
*t
);
352 asmlinkage
long compat_sys_utimensat(unsigned int dfd
,
353 const char __user
*filename
,
354 struct compat_timespec __user
*t
,
357 asmlinkage
long compat_sys_time(compat_time_t __user
*tloc
);
358 asmlinkage
long compat_sys_stime(compat_time_t __user
*tptr
);
359 asmlinkage
long compat_sys_signalfd(int ufd
,
360 const compat_sigset_t __user
*sigmask
,
361 compat_size_t sigsetsize
);
362 asmlinkage
long compat_sys_timerfd_settime(int ufd
, int flags
,
363 const struct compat_itimerspec __user
*utmr
,
364 struct compat_itimerspec __user
*otmr
);
365 asmlinkage
long compat_sys_timerfd_gettime(int ufd
,
366 struct compat_itimerspec __user
*otmr
);
368 asmlinkage
long compat_sys_move_pages(pid_t pid
, unsigned long nr_page
,
370 const int __user
*nodes
,
373 asmlinkage
long compat_sys_futimesat(unsigned int dfd
,
374 const char __user
*filename
,
375 struct compat_timeval __user
*t
);
376 asmlinkage
long compat_sys_utimes(const char __user
*filename
,
377 struct compat_timeval __user
*t
);
378 asmlinkage
long compat_sys_newstat(const char __user
*filename
,
379 struct compat_stat __user
*statbuf
);
380 asmlinkage
long compat_sys_newlstat(const char __user
*filename
,
381 struct compat_stat __user
*statbuf
);
382 asmlinkage
long compat_sys_newfstatat(unsigned int dfd
,
383 const char __user
*filename
,
384 struct compat_stat __user
*statbuf
,
386 asmlinkage
long compat_sys_newfstat(unsigned int fd
,
387 struct compat_stat __user
*statbuf
);
388 asmlinkage
long compat_sys_statfs(const char __user
*pathname
,
389 struct compat_statfs __user
*buf
);
390 asmlinkage
long compat_sys_fstatfs(unsigned int fd
,
391 struct compat_statfs __user
*buf
);
392 asmlinkage
long compat_sys_statfs64(const char __user
*pathname
,
394 struct compat_statfs64 __user
*buf
);
395 asmlinkage
long compat_sys_fstatfs64(unsigned int fd
, compat_size_t sz
,
396 struct compat_statfs64 __user
*buf
);
397 asmlinkage
long compat_sys_fcntl64(unsigned int fd
, unsigned int cmd
,
399 asmlinkage
long compat_sys_fcntl(unsigned int fd
, unsigned int cmd
,
401 asmlinkage
long compat_sys_io_setup(unsigned nr_reqs
, u32 __user
*ctx32p
);
402 asmlinkage
long compat_sys_io_getevents(aio_context_t ctx_id
,
403 unsigned long min_nr
,
405 struct io_event __user
*events
,
406 struct compat_timespec __user
*timeout
);
407 asmlinkage
long compat_sys_io_submit(aio_context_t ctx_id
, int nr
,
409 asmlinkage
long compat_sys_mount(const char __user
*dev_name
,
410 const char __user
*dir_name
,
411 const char __user
*type
, unsigned long flags
,
412 const void __user
*data
);
413 asmlinkage
long compat_sys_old_readdir(unsigned int fd
,
414 struct compat_old_linux_dirent __user
*,
416 asmlinkage
long compat_sys_getdents(unsigned int fd
,
417 struct compat_linux_dirent __user
*dirent
,
419 asmlinkage
long compat_sys_getdents64(unsigned int fd
,
420 struct linux_dirent64 __user
*dirent
,
422 asmlinkage
long compat_sys_vmsplice(int fd
, const struct compat_iovec __user
*,
423 unsigned int nr_segs
, unsigned int flags
);
424 asmlinkage
long compat_sys_open(const char __user
*filename
, int flags
,
426 asmlinkage
long compat_sys_openat(unsigned int dfd
, const char __user
*filename
,
427 int flags
, int mode
);
428 asmlinkage
long compat_sys_open_by_handle_at(int mountdirfd
,
429 struct file_handle __user
*handle
,
431 asmlinkage
long compat_sys_pselect6(int n
, compat_ulong_t __user
*inp
,
432 compat_ulong_t __user
*outp
,
433 compat_ulong_t __user
*exp
,
434 struct compat_timespec __user
*tsp
,
436 asmlinkage
long compat_sys_ppoll(struct pollfd __user
*ufds
,
438 struct compat_timespec __user
*tsp
,
439 const compat_sigset_t __user
*sigmask
,
440 compat_size_t sigsetsize
);
441 #if (defined(CONFIG_NFSD) || defined(CONFIG_NFSD_MODULE)) && \
442 !defined(CONFIG_NFSD_DEPRECATED)
443 union compat_nfsctl_res
;
444 struct compat_nfsctl_arg
;
445 asmlinkage
long compat_sys_nfsservctl(int cmd
,
446 struct compat_nfsctl_arg __user
*arg
,
447 union compat_nfsctl_res __user
*res
);
449 asmlinkage
long compat_sys_nfsservctl(int cmd
, void *notused
, void *notused2
);
451 asmlinkage
long compat_sys_signalfd4(int ufd
,
452 const compat_sigset_t __user
*sigmask
,
453 compat_size_t sigsetsize
, int flags
);
454 asmlinkage
long compat_sys_get_mempolicy(int __user
*policy
,
455 compat_ulong_t __user
*nmask
,
456 compat_ulong_t maxnode
,
458 compat_ulong_t flags
);
459 asmlinkage
long compat_sys_set_mempolicy(int mode
, compat_ulong_t __user
*nmask
,
460 compat_ulong_t maxnode
);
461 asmlinkage
long compat_sys_mbind(compat_ulong_t start
, compat_ulong_t len
,
463 compat_ulong_t __user
*nmask
,
464 compat_ulong_t maxnode
, compat_ulong_t flags
);
466 asmlinkage
long compat_sys_setsockopt(int fd
, int level
, int optname
,
467 char __user
*optval
, unsigned int optlen
);
468 asmlinkage
long compat_sys_sendmsg(int fd
, struct compat_msghdr __user
*msg
,
470 asmlinkage
long compat_sys_recvmsg(int fd
, struct compat_msghdr __user
*msg
,
472 asmlinkage
long compat_sys_recv(int fd
, void __user
*buf
, size_t len
,
474 asmlinkage
long compat_sys_recvfrom(int fd
, void __user
*buf
, size_t len
,
475 unsigned flags
, struct sockaddr __user
*addr
,
476 int __user
*addrlen
);
477 asmlinkage
long compat_sys_recvmmsg(int fd
, struct compat_mmsghdr __user
*mmsg
,
478 unsigned vlen
, unsigned int flags
,
479 struct compat_timespec __user
*timeout
);
480 asmlinkage
long compat_sys_nanosleep(struct compat_timespec __user
*rqtp
,
481 struct compat_timespec __user
*rmtp
);
482 asmlinkage
long compat_sys_getitimer(int which
,
483 struct compat_itimerval __user
*it
);
484 asmlinkage
long compat_sys_setitimer(int which
,
485 struct compat_itimerval __user
*in
,
486 struct compat_itimerval __user
*out
);
487 asmlinkage
long compat_sys_times(struct compat_tms __user
*tbuf
);
488 asmlinkage
long compat_sys_setrlimit(unsigned int resource
,
489 struct compat_rlimit __user
*rlim
);
490 asmlinkage
long compat_sys_getrlimit(unsigned int resource
,
491 struct compat_rlimit __user
*rlim
);
492 asmlinkage
long compat_sys_getrusage(int who
, struct compat_rusage __user
*ru
);
493 asmlinkage
long compat_sys_sched_setaffinity(compat_pid_t pid
,
495 compat_ulong_t __user
*user_mask_ptr
);
496 asmlinkage
long compat_sys_sched_getaffinity(compat_pid_t pid
,
498 compat_ulong_t __user
*user_mask_ptr
);
499 asmlinkage
long compat_sys_timer_create(clockid_t which_clock
,
500 struct compat_sigevent __user
*timer_event_spec
,
501 timer_t __user
*created_timer_id
);
502 asmlinkage
long compat_sys_timer_settime(timer_t timer_id
, int flags
,
503 struct compat_itimerspec __user
*new,
504 struct compat_itimerspec __user
*old
);
505 asmlinkage
long compat_sys_timer_gettime(timer_t timer_id
,
506 struct compat_itimerspec __user
*setting
);
507 asmlinkage
long compat_sys_clock_settime(clockid_t which_clock
,
508 struct compat_timespec __user
*tp
);
509 asmlinkage
long compat_sys_clock_gettime(clockid_t which_clock
,
510 struct compat_timespec __user
*tp
);
511 asmlinkage
long compat_sys_clock_adjtime(clockid_t which_clock
,
512 struct compat_timex __user
*tp
);
513 asmlinkage
long compat_sys_clock_getres(clockid_t which_clock
,
514 struct compat_timespec __user
*tp
);
515 asmlinkage
long compat_sys_clock_nanosleep(clockid_t which_clock
, int flags
,
516 struct compat_timespec __user
*rqtp
,
517 struct compat_timespec __user
*rmtp
);
518 asmlinkage
long compat_sys_rt_sigtimedwait(compat_sigset_t __user
*uthese
,
519 struct compat_siginfo __user
*uinfo
,
520 struct compat_timespec __user
*uts
, compat_size_t sigsetsize
);
521 asmlinkage
long compat_sys_rt_sigsuspend(compat_sigset_t __user
*unewset
,
522 compat_size_t sigsetsize
);
523 asmlinkage
long compat_sys_sysinfo(struct compat_sysinfo __user
*info
);
524 asmlinkage
long compat_sys_ioctl(unsigned int fd
, unsigned int cmd
,
526 asmlinkage
long compat_sys_futex(u32 __user
*uaddr
, int op
, u32 val
,
527 struct compat_timespec __user
*utime
, u32 __user
*uaddr2
,
529 asmlinkage
long compat_sys_getsockopt(int fd
, int level
, int optname
,
530 char __user
*optval
, int __user
*optlen
);
531 asmlinkage
long compat_sys_kexec_load(unsigned long entry
,
532 unsigned long nr_segments
,
533 struct compat_kexec_segment __user
*,
534 unsigned long flags
);
535 asmlinkage
long compat_sys_mq_getsetattr(mqd_t mqdes
,
536 const struct compat_mq_attr __user
*u_mqstat
,
537 struct compat_mq_attr __user
*u_omqstat
);
538 asmlinkage
long compat_sys_mq_notify(mqd_t mqdes
,
539 const struct compat_sigevent __user
*u_notification
);
540 asmlinkage
long compat_sys_mq_open(const char __user
*u_name
,
541 int oflag
, compat_mode_t mode
,
542 struct compat_mq_attr __user
*u_attr
);
543 asmlinkage
long compat_sys_mq_timedsend(mqd_t mqdes
,
544 const char __user
*u_msg_ptr
,
545 size_t msg_len
, unsigned int msg_prio
,
546 const struct compat_timespec __user
*u_abs_timeout
);
547 asmlinkage ssize_t
compat_sys_mq_timedreceive(mqd_t mqdes
,
548 char __user
*u_msg_ptr
,
549 size_t msg_len
, unsigned int __user
*u_msg_prio
,
550 const struct compat_timespec __user
*u_abs_timeout
);
551 asmlinkage
long compat_sys_socketcall(int call
, u32 __user
*args
);
552 asmlinkage
long compat_sys_sysctl(struct compat_sysctl_args __user
*args
);
554 extern ssize_t
compat_rw_copy_check_uvector(int type
,
555 const struct compat_iovec __user
*uvector
,
556 unsigned long nr_segs
,
557 unsigned long fast_segs
, struct iovec
*fast_pointer
,
558 struct iovec
**ret_pointer
);
560 extern void __user
*compat_alloc_user_space(unsigned long len
);
562 #endif /* CONFIG_COMPAT */
563 #endif /* _LINUX_COMPAT_H */