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 #ifndef COMPAT_USE_64BIT_TIME
23 #define COMPAT_USE_64BIT_TIME 0
26 #define compat_jiffies_to_clock_t(x) \
27 (((unsigned long)(x) * COMPAT_USER_HZ) / HZ)
29 typedef __compat_uid32_t compat_uid_t
;
30 typedef __compat_gid32_t compat_gid_t
;
32 struct compat_sel_arg_struct
;
35 struct compat_itimerspec
{
36 struct compat_timespec it_interval
;
37 struct compat_timespec it_value
;
40 struct compat_utimbuf
{
42 compat_time_t modtime
;
45 struct compat_itimerval
{
46 struct compat_timeval it_interval
;
47 struct compat_timeval it_value
;
51 compat_clock_t tms_utime
;
52 compat_clock_t tms_stime
;
53 compat_clock_t tms_cutime
;
54 compat_clock_t tms_cstime
;
61 compat_long_t maxerror
;
62 compat_long_t esterror
;
64 compat_long_t constant
;
65 compat_long_t precision
;
66 compat_long_t tolerance
;
67 struct compat_timeval time
;
69 compat_long_t ppsfreq
;
79 compat_int_t
:32; compat_int_t
:32; compat_int_t
:32; compat_int_t
:32;
80 compat_int_t
:32; compat_int_t
:32; compat_int_t
:32; compat_int_t
:32;
81 compat_int_t
:32; compat_int_t
:32; compat_int_t
:32;
84 #define _COMPAT_NSIG_WORDS (_COMPAT_NSIG / _COMPAT_NSIG_BPW)
87 compat_sigset_word sig
[_COMPAT_NSIG_WORDS
];
91 * These functions operate strictly on struct compat_time*
93 extern int get_compat_timespec(struct timespec
*,
94 const struct compat_timespec __user
*);
95 extern int put_compat_timespec(const struct timespec
*,
96 struct compat_timespec __user
*);
97 extern int get_compat_timeval(struct timeval
*,
98 const struct compat_timeval __user
*);
99 extern int put_compat_timeval(const struct timeval
*,
100 struct compat_timeval __user
*);
102 * These functions operate on 32- or 64-bit specs depending on
103 * COMPAT_USE_64BIT_TIME, hence the void user pointer arguments and the
104 * naming as compat_get/put_ rather than get/put_compat_.
106 extern int compat_get_timespec(struct timespec
*, const void __user
*);
107 extern int compat_put_timespec(const struct timespec
*, void __user
*);
108 extern int compat_get_timeval(struct timeval
*, const void __user
*);
109 extern int compat_put_timeval(const struct timeval
*, void __user
*);
111 struct compat_iovec
{
112 compat_uptr_t iov_base
;
113 compat_size_t iov_len
;
116 struct compat_rlimit
{
117 compat_ulong_t rlim_cur
;
118 compat_ulong_t rlim_max
;
121 struct compat_rusage
{
122 struct compat_timeval ru_utime
;
123 struct compat_timeval ru_stime
;
124 compat_long_t ru_maxrss
;
125 compat_long_t ru_ixrss
;
126 compat_long_t ru_idrss
;
127 compat_long_t ru_isrss
;
128 compat_long_t ru_minflt
;
129 compat_long_t ru_majflt
;
130 compat_long_t ru_nswap
;
131 compat_long_t ru_inblock
;
132 compat_long_t ru_oublock
;
133 compat_long_t ru_msgsnd
;
134 compat_long_t ru_msgrcv
;
135 compat_long_t ru_nsignals
;
136 compat_long_t ru_nvcsw
;
137 compat_long_t ru_nivcsw
;
140 extern int put_compat_rusage(const struct rusage
*,
141 struct compat_rusage __user
*);
143 struct compat_siginfo
;
145 extern asmlinkage
long compat_sys_waitid(int, compat_pid_t
,
146 struct compat_siginfo __user
*, int,
147 struct compat_rusage __user
*);
149 struct compat_dirent
{
156 struct compat_ustat
{
157 compat_daddr_t f_tfree
;
158 compat_ino_t f_tinode
;
163 typedef union compat_sigval
{
164 compat_int_t sival_int
;
165 compat_uptr_t sival_ptr
;
168 #define COMPAT_SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE/sizeof(int)) - 3)
170 typedef struct compat_sigevent
{
171 compat_sigval_t sigev_value
;
172 compat_int_t sigev_signo
;
173 compat_int_t sigev_notify
;
175 compat_int_t _pad
[COMPAT_SIGEV_PAD_SIZE
];
179 compat_uptr_t _function
;
180 compat_uptr_t _attribute
;
185 struct compat_ifmap
{
186 compat_ulong_t mem_start
;
187 compat_ulong_t mem_end
;
188 unsigned short base_addr
;
194 struct compat_if_settings
{
195 unsigned int type
; /* Type of physical device or protocol */
196 unsigned int size
; /* Size of the data allocated by the caller */
197 compat_uptr_t ifs_ifsu
; /* union of pointers */
200 struct compat_ifreq
{
202 char ifrn_name
[IFNAMSIZ
]; /* if name, e.g. "en0" */
205 struct sockaddr ifru_addr
;
206 struct sockaddr ifru_dstaddr
;
207 struct sockaddr ifru_broadaddr
;
208 struct sockaddr ifru_netmask
;
209 struct sockaddr ifru_hwaddr
;
211 compat_int_t ifru_ivalue
;
212 compat_int_t ifru_mtu
;
213 struct compat_ifmap ifru_map
;
214 char ifru_slave
[IFNAMSIZ
]; /* Just fits the size */
215 char ifru_newname
[IFNAMSIZ
];
216 compat_caddr_t ifru_data
;
217 struct compat_if_settings ifru_settings
;
221 struct compat_ifconf
{
222 compat_int_t ifc_len
; /* size of buffer */
223 compat_caddr_t ifcbuf
;
226 struct compat_robust_list
{
230 struct compat_robust_list_head
{
231 struct compat_robust_list list
;
232 compat_long_t futex_offset
;
233 compat_uptr_t list_op_pending
;
236 struct compat_statfs
;
237 struct compat_statfs64
;
238 struct compat_old_linux_dirent
;
239 struct compat_linux_dirent
;
240 struct linux_dirent64
;
241 struct compat_msghdr
;
242 struct compat_mmsghdr
;
243 struct compat_sysinfo
;
244 struct compat_sysctl_args
;
245 struct compat_kexec_segment
;
246 struct compat_mq_attr
;
247 struct compat_msgbuf
;
249 extern void compat_exit_robust_list(struct task_struct
*curr
);
252 compat_sys_set_robust_list(struct compat_robust_list_head __user
*head
,
255 compat_sys_get_robust_list(int pid
, compat_uptr_t __user
*head_ptr
,
256 compat_size_t __user
*len_ptr
);
258 #ifdef CONFIG_ARCH_WANT_OLD_COMPAT_IPC
259 long compat_sys_semctl(int first
, int second
, int third
, void __user
*uptr
);
260 long compat_sys_msgsnd(int first
, int second
, int third
, void __user
*uptr
);
261 long compat_sys_msgrcv(int first
, int second
, int msgtyp
, int third
,
262 int version
, void __user
*uptr
);
263 long compat_sys_shmat(int first
, int second
, compat_uptr_t third
, int version
,
266 long compat_sys_semctl(int semid
, int semnum
, int cmd
, int arg
);
267 long compat_sys_msgsnd(int msqid
, struct compat_msgbuf __user
*msgp
,
268 compat_ssize_t msgsz
, int msgflg
);
269 long compat_sys_msgrcv(int msqid
, struct compat_msgbuf __user
*msgp
,
270 compat_ssize_t msgsz
, long msgtyp
, int msgflg
);
271 long compat_sys_shmat(int shmid
, compat_uptr_t shmaddr
, int shmflg
);
273 long compat_sys_msgctl(int first
, int second
, void __user
*uptr
);
274 long compat_sys_shmctl(int first
, int second
, void __user
*uptr
);
275 long compat_sys_semtimedop(int semid
, struct sembuf __user
*tsems
,
276 unsigned nsems
, const struct compat_timespec __user
*timeout
);
277 asmlinkage
long compat_sys_keyctl(u32 option
,
278 u32 arg2
, u32 arg3
, u32 arg4
, u32 arg5
);
279 asmlinkage
long compat_sys_ustat(unsigned dev
, struct compat_ustat __user
*u32
);
281 asmlinkage ssize_t
compat_sys_readv(unsigned long fd
,
282 const struct compat_iovec __user
*vec
, unsigned long vlen
);
283 asmlinkage ssize_t
compat_sys_writev(unsigned long fd
,
284 const struct compat_iovec __user
*vec
, unsigned long vlen
);
285 asmlinkage ssize_t
compat_sys_preadv(unsigned long fd
,
286 const struct compat_iovec __user
*vec
,
287 unsigned long vlen
, u32 pos_low
, u32 pos_high
);
288 asmlinkage ssize_t
compat_sys_pwritev(unsigned long fd
,
289 const struct compat_iovec __user
*vec
,
290 unsigned long vlen
, u32 pos_low
, u32 pos_high
);
292 int compat_do_execve(char *filename
, compat_uptr_t __user
*argv
,
293 compat_uptr_t __user
*envp
, struct pt_regs
*regs
);
295 asmlinkage
long compat_sys_select(int n
, compat_ulong_t __user
*inp
,
296 compat_ulong_t __user
*outp
, compat_ulong_t __user
*exp
,
297 struct compat_timeval __user
*tvp
);
299 asmlinkage
long compat_sys_old_select(struct compat_sel_arg_struct __user
*arg
);
301 asmlinkage
long compat_sys_wait4(compat_pid_t pid
,
302 compat_uint_t __user
*stat_addr
, int options
,
303 struct compat_rusage __user
*ru
);
305 #define BITS_PER_COMPAT_LONG (8*sizeof(compat_long_t))
307 #define BITS_TO_COMPAT_LONGS(bits) \
308 (((bits)+BITS_PER_COMPAT_LONG-1)/BITS_PER_COMPAT_LONG)
310 long compat_get_bitmap(unsigned long *mask
, const compat_ulong_t __user
*umask
,
311 unsigned long bitmap_size
);
312 long compat_put_bitmap(compat_ulong_t __user
*umask
, unsigned long *mask
,
313 unsigned long bitmap_size
);
314 int copy_siginfo_from_user32(siginfo_t
*to
, struct compat_siginfo __user
*from
);
315 int copy_siginfo_to_user32(struct compat_siginfo __user
*to
, siginfo_t
*from
);
316 int get_compat_sigevent(struct sigevent
*event
,
317 const struct compat_sigevent __user
*u_event
);
318 long compat_sys_rt_tgsigqueueinfo(compat_pid_t tgid
, compat_pid_t pid
, int sig
,
319 struct compat_siginfo __user
*uinfo
);
321 static inline int compat_timeval_compare(struct compat_timeval
*lhs
,
322 struct compat_timeval
*rhs
)
324 if (lhs
->tv_sec
< rhs
->tv_sec
)
326 if (lhs
->tv_sec
> rhs
->tv_sec
)
328 return lhs
->tv_usec
- rhs
->tv_usec
;
331 static inline int compat_timespec_compare(struct compat_timespec
*lhs
,
332 struct compat_timespec
*rhs
)
334 if (lhs
->tv_sec
< rhs
->tv_sec
)
336 if (lhs
->tv_sec
> rhs
->tv_sec
)
338 return lhs
->tv_nsec
- rhs
->tv_nsec
;
341 extern int get_compat_itimerspec(struct itimerspec
*dst
,
342 const struct compat_itimerspec __user
*src
);
343 extern int put_compat_itimerspec(struct compat_itimerspec __user
*dst
,
344 const struct itimerspec
*src
);
346 asmlinkage
long compat_sys_gettimeofday(struct compat_timeval __user
*tv
,
347 struct timezone __user
*tz
);
348 asmlinkage
long compat_sys_settimeofday(struct compat_timeval __user
*tv
,
349 struct timezone __user
*tz
);
351 asmlinkage
long compat_sys_adjtimex(struct compat_timex __user
*utp
);
353 extern int compat_printk(const char *fmt
, ...);
354 extern void sigset_from_compat(sigset_t
*set
, compat_sigset_t
*compat
);
356 asmlinkage
long compat_sys_migrate_pages(compat_pid_t pid
,
357 compat_ulong_t maxnode
, const compat_ulong_t __user
*old_nodes
,
358 const compat_ulong_t __user
*new_nodes
);
360 extern int compat_ptrace_request(struct task_struct
*child
,
361 compat_long_t request
,
362 compat_ulong_t addr
, compat_ulong_t data
);
364 extern long compat_arch_ptrace(struct task_struct
*child
, compat_long_t request
,
365 compat_ulong_t addr
, compat_ulong_t data
);
366 asmlinkage
long compat_sys_ptrace(compat_long_t request
, compat_long_t pid
,
367 compat_long_t addr
, compat_long_t data
);
370 * epoll (fs/eventpoll.c) compat bits follow ...
373 #define compat_epoll_event epoll_event
374 asmlinkage
long compat_sys_epoll_pwait(int epfd
,
375 struct compat_epoll_event __user
*events
,
376 int maxevents
, int timeout
,
377 const compat_sigset_t __user
*sigmask
,
378 compat_size_t sigsetsize
);
380 asmlinkage
long compat_sys_utime(const char __user
*filename
,
381 struct compat_utimbuf __user
*t
);
382 asmlinkage
long compat_sys_utimensat(unsigned int dfd
,
383 const char __user
*filename
,
384 struct compat_timespec __user
*t
,
387 asmlinkage
long compat_sys_time(compat_time_t __user
*tloc
);
388 asmlinkage
long compat_sys_stime(compat_time_t __user
*tptr
);
389 asmlinkage
long compat_sys_signalfd(int ufd
,
390 const compat_sigset_t __user
*sigmask
,
391 compat_size_t sigsetsize
);
392 asmlinkage
long compat_sys_timerfd_settime(int ufd
, int flags
,
393 const struct compat_itimerspec __user
*utmr
,
394 struct compat_itimerspec __user
*otmr
);
395 asmlinkage
long compat_sys_timerfd_gettime(int ufd
,
396 struct compat_itimerspec __user
*otmr
);
398 asmlinkage
long compat_sys_move_pages(pid_t pid
, unsigned long nr_page
,
400 const int __user
*nodes
,
403 asmlinkage
long compat_sys_futimesat(unsigned int dfd
,
404 const char __user
*filename
,
405 struct compat_timeval __user
*t
);
406 asmlinkage
long compat_sys_utimes(const char __user
*filename
,
407 struct compat_timeval __user
*t
);
408 asmlinkage
long compat_sys_newstat(const char __user
*filename
,
409 struct compat_stat __user
*statbuf
);
410 asmlinkage
long compat_sys_newlstat(const char __user
*filename
,
411 struct compat_stat __user
*statbuf
);
412 asmlinkage
long compat_sys_newfstatat(unsigned int dfd
,
413 const char __user
*filename
,
414 struct compat_stat __user
*statbuf
,
416 asmlinkage
long compat_sys_newfstat(unsigned int fd
,
417 struct compat_stat __user
*statbuf
);
418 asmlinkage
long compat_sys_statfs(const char __user
*pathname
,
419 struct compat_statfs __user
*buf
);
420 asmlinkage
long compat_sys_fstatfs(unsigned int fd
,
421 struct compat_statfs __user
*buf
);
422 asmlinkage
long compat_sys_statfs64(const char __user
*pathname
,
424 struct compat_statfs64 __user
*buf
);
425 asmlinkage
long compat_sys_fstatfs64(unsigned int fd
, compat_size_t sz
,
426 struct compat_statfs64 __user
*buf
);
427 asmlinkage
long compat_sys_fcntl64(unsigned int fd
, unsigned int cmd
,
429 asmlinkage
long compat_sys_fcntl(unsigned int fd
, unsigned int cmd
,
431 asmlinkage
long compat_sys_io_setup(unsigned nr_reqs
, u32 __user
*ctx32p
);
432 asmlinkage
long compat_sys_io_getevents(aio_context_t ctx_id
,
433 unsigned long min_nr
,
435 struct io_event __user
*events
,
436 struct compat_timespec __user
*timeout
);
437 asmlinkage
long compat_sys_io_submit(aio_context_t ctx_id
, int nr
,
439 asmlinkage
long compat_sys_mount(const char __user
*dev_name
,
440 const char __user
*dir_name
,
441 const char __user
*type
, unsigned long flags
,
442 const void __user
*data
);
443 asmlinkage
long compat_sys_old_readdir(unsigned int fd
,
444 struct compat_old_linux_dirent __user
*,
446 asmlinkage
long compat_sys_getdents(unsigned int fd
,
447 struct compat_linux_dirent __user
*dirent
,
449 asmlinkage
long compat_sys_getdents64(unsigned int fd
,
450 struct linux_dirent64 __user
*dirent
,
452 asmlinkage
long compat_sys_vmsplice(int fd
, const struct compat_iovec __user
*,
453 unsigned int nr_segs
, unsigned int flags
);
454 asmlinkage
long compat_sys_open(const char __user
*filename
, int flags
,
456 asmlinkage
long compat_sys_openat(unsigned int dfd
, const char __user
*filename
,
457 int flags
, umode_t mode
);
458 asmlinkage
long compat_sys_open_by_handle_at(int mountdirfd
,
459 struct file_handle __user
*handle
,
461 asmlinkage
long compat_sys_pselect6(int n
, compat_ulong_t __user
*inp
,
462 compat_ulong_t __user
*outp
,
463 compat_ulong_t __user
*exp
,
464 struct compat_timespec __user
*tsp
,
466 asmlinkage
long compat_sys_ppoll(struct pollfd __user
*ufds
,
468 struct compat_timespec __user
*tsp
,
469 const compat_sigset_t __user
*sigmask
,
470 compat_size_t sigsetsize
);
471 asmlinkage
long compat_sys_signalfd4(int ufd
,
472 const compat_sigset_t __user
*sigmask
,
473 compat_size_t sigsetsize
, int flags
);
474 asmlinkage
long compat_sys_get_mempolicy(int __user
*policy
,
475 compat_ulong_t __user
*nmask
,
476 compat_ulong_t maxnode
,
478 compat_ulong_t flags
);
479 asmlinkage
long compat_sys_set_mempolicy(int mode
, compat_ulong_t __user
*nmask
,
480 compat_ulong_t maxnode
);
481 asmlinkage
long compat_sys_mbind(compat_ulong_t start
, compat_ulong_t len
,
483 compat_ulong_t __user
*nmask
,
484 compat_ulong_t maxnode
, compat_ulong_t flags
);
486 asmlinkage
long compat_sys_setsockopt(int fd
, int level
, int optname
,
487 char __user
*optval
, unsigned int optlen
);
488 asmlinkage
long compat_sys_sendmsg(int fd
, struct compat_msghdr __user
*msg
,
490 asmlinkage
long compat_sys_sendmmsg(int fd
, struct compat_mmsghdr __user
*mmsg
,
491 unsigned vlen
, unsigned int flags
);
492 asmlinkage
long compat_sys_recvmsg(int fd
, struct compat_msghdr __user
*msg
,
494 asmlinkage
long compat_sys_recv(int fd
, void __user
*buf
, size_t len
,
496 asmlinkage
long compat_sys_recvfrom(int fd
, void __user
*buf
, size_t len
,
497 unsigned flags
, struct sockaddr __user
*addr
,
498 int __user
*addrlen
);
499 asmlinkage
long compat_sys_recvmmsg(int fd
, struct compat_mmsghdr __user
*mmsg
,
500 unsigned vlen
, unsigned int flags
,
501 struct compat_timespec __user
*timeout
);
502 asmlinkage
long compat_sys_nanosleep(struct compat_timespec __user
*rqtp
,
503 struct compat_timespec __user
*rmtp
);
504 asmlinkage
long compat_sys_getitimer(int which
,
505 struct compat_itimerval __user
*it
);
506 asmlinkage
long compat_sys_setitimer(int which
,
507 struct compat_itimerval __user
*in
,
508 struct compat_itimerval __user
*out
);
509 asmlinkage
long compat_sys_times(struct compat_tms __user
*tbuf
);
510 asmlinkage
long compat_sys_setrlimit(unsigned int resource
,
511 struct compat_rlimit __user
*rlim
);
512 asmlinkage
long compat_sys_getrlimit(unsigned int resource
,
513 struct compat_rlimit __user
*rlim
);
514 asmlinkage
long compat_sys_getrusage(int who
, struct compat_rusage __user
*ru
);
515 asmlinkage
long compat_sys_sched_setaffinity(compat_pid_t pid
,
517 compat_ulong_t __user
*user_mask_ptr
);
518 asmlinkage
long compat_sys_sched_getaffinity(compat_pid_t pid
,
520 compat_ulong_t __user
*user_mask_ptr
);
521 asmlinkage
long compat_sys_timer_create(clockid_t which_clock
,
522 struct compat_sigevent __user
*timer_event_spec
,
523 timer_t __user
*created_timer_id
);
524 asmlinkage
long compat_sys_timer_settime(timer_t timer_id
, int flags
,
525 struct compat_itimerspec __user
*new,
526 struct compat_itimerspec __user
*old
);
527 asmlinkage
long compat_sys_timer_gettime(timer_t timer_id
,
528 struct compat_itimerspec __user
*setting
);
529 asmlinkage
long compat_sys_clock_settime(clockid_t which_clock
,
530 struct compat_timespec __user
*tp
);
531 asmlinkage
long compat_sys_clock_gettime(clockid_t which_clock
,
532 struct compat_timespec __user
*tp
);
533 asmlinkage
long compat_sys_clock_adjtime(clockid_t which_clock
,
534 struct compat_timex __user
*tp
);
535 asmlinkage
long compat_sys_clock_getres(clockid_t which_clock
,
536 struct compat_timespec __user
*tp
);
537 asmlinkage
long compat_sys_clock_nanosleep(clockid_t which_clock
, int flags
,
538 struct compat_timespec __user
*rqtp
,
539 struct compat_timespec __user
*rmtp
);
540 asmlinkage
long compat_sys_rt_sigtimedwait(compat_sigset_t __user
*uthese
,
541 struct compat_siginfo __user
*uinfo
,
542 struct compat_timespec __user
*uts
, compat_size_t sigsetsize
);
543 asmlinkage
long compat_sys_rt_sigsuspend(compat_sigset_t __user
*unewset
,
544 compat_size_t sigsetsize
);
545 asmlinkage
long compat_sys_sysinfo(struct compat_sysinfo __user
*info
);
546 asmlinkage
long compat_sys_ioctl(unsigned int fd
, unsigned int cmd
,
548 asmlinkage
long compat_sys_futex(u32 __user
*uaddr
, int op
, u32 val
,
549 struct compat_timespec __user
*utime
, u32 __user
*uaddr2
,
551 asmlinkage
long compat_sys_getsockopt(int fd
, int level
, int optname
,
552 char __user
*optval
, int __user
*optlen
);
553 asmlinkage
long compat_sys_kexec_load(unsigned long entry
,
554 unsigned long nr_segments
,
555 struct compat_kexec_segment __user
*,
556 unsigned long flags
);
557 asmlinkage
long compat_sys_mq_getsetattr(mqd_t mqdes
,
558 const struct compat_mq_attr __user
*u_mqstat
,
559 struct compat_mq_attr __user
*u_omqstat
);
560 asmlinkage
long compat_sys_mq_notify(mqd_t mqdes
,
561 const struct compat_sigevent __user
*u_notification
);
562 asmlinkage
long compat_sys_mq_open(const char __user
*u_name
,
563 int oflag
, compat_mode_t mode
,
564 struct compat_mq_attr __user
*u_attr
);
565 asmlinkage
long compat_sys_mq_timedsend(mqd_t mqdes
,
566 const char __user
*u_msg_ptr
,
567 size_t msg_len
, unsigned int msg_prio
,
568 const struct compat_timespec __user
*u_abs_timeout
);
569 asmlinkage ssize_t
compat_sys_mq_timedreceive(mqd_t mqdes
,
570 char __user
*u_msg_ptr
,
571 size_t msg_len
, unsigned int __user
*u_msg_prio
,
572 const struct compat_timespec __user
*u_abs_timeout
);
573 asmlinkage
long compat_sys_socketcall(int call
, u32 __user
*args
);
574 asmlinkage
long compat_sys_sysctl(struct compat_sysctl_args __user
*args
);
576 extern ssize_t
compat_rw_copy_check_uvector(int type
,
577 const struct compat_iovec __user
*uvector
,
578 unsigned long nr_segs
,
579 unsigned long fast_segs
, struct iovec
*fast_pointer
,
580 struct iovec
**ret_pointer
);
582 extern void __user
*compat_alloc_user_space(unsigned long len
);
584 asmlinkage ssize_t
compat_sys_process_vm_readv(compat_pid_t pid
,
585 const struct compat_iovec __user
*lvec
,
586 unsigned long liovcnt
, const struct compat_iovec __user
*rvec
,
587 unsigned long riovcnt
, unsigned long flags
);
588 asmlinkage ssize_t
compat_sys_process_vm_writev(compat_pid_t pid
,
589 const struct compat_iovec __user
*lvec
,
590 unsigned long liovcnt
, const struct compat_iovec __user
*rvec
,
591 unsigned long riovcnt
, unsigned long flags
);
595 #define is_compat_task() (0)
597 #endif /* CONFIG_COMPAT */
598 #endif /* _LINUX_COMPAT_H */