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 */
17 #include <linux/unistd.h>
19 #include <asm/compat.h>
20 #include <asm/siginfo.h>
21 #include <asm/signal.h>
23 #ifndef COMPAT_USE_64BIT_TIME
24 #define COMPAT_USE_64BIT_TIME 0
28 #define __SC_DELOUSE(t,v) ((t)(unsigned long)(v))
31 #define COMPAT_SYSCALL_DEFINE0(name) \
32 asmlinkage long compat_sys_##name(void)
34 #define COMPAT_SYSCALL_DEFINE1(name, ...) \
35 COMPAT_SYSCALL_DEFINEx(1, _##name, __VA_ARGS__)
36 #define COMPAT_SYSCALL_DEFINE2(name, ...) \
37 COMPAT_SYSCALL_DEFINEx(2, _##name, __VA_ARGS__)
38 #define COMPAT_SYSCALL_DEFINE3(name, ...) \
39 COMPAT_SYSCALL_DEFINEx(3, _##name, __VA_ARGS__)
40 #define COMPAT_SYSCALL_DEFINE4(name, ...) \
41 COMPAT_SYSCALL_DEFINEx(4, _##name, __VA_ARGS__)
42 #define COMPAT_SYSCALL_DEFINE5(name, ...) \
43 COMPAT_SYSCALL_DEFINEx(5, _##name, __VA_ARGS__)
44 #define COMPAT_SYSCALL_DEFINE6(name, ...) \
45 COMPAT_SYSCALL_DEFINEx(6, _##name, __VA_ARGS__)
47 #define COMPAT_SYSCALL_DEFINEx(x, name, ...) \
48 asmlinkage long compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))\
49 __attribute__((alias(__stringify(compat_SyS##name)))); \
50 static inline long C_SYSC##name(__MAP(x,__SC_DECL,__VA_ARGS__));\
51 asmlinkage long compat_SyS##name(__MAP(x,__SC_LONG,__VA_ARGS__));\
52 asmlinkage long compat_SyS##name(__MAP(x,__SC_LONG,__VA_ARGS__))\
54 return C_SYSC##name(__MAP(x,__SC_DELOUSE,__VA_ARGS__)); \
56 static inline long C_SYSC##name(__MAP(x,__SC_DECL,__VA_ARGS__))
58 #ifndef compat_user_stack_pointer
59 #define compat_user_stack_pointer() current_user_stack_pointer()
61 #ifndef compat_sigaltstack /* we'll need that for MIPS */
62 typedef struct compat_sigaltstack {
65 compat_size_t ss_size;
69 #define compat_jiffies_to_clock_t(x) \
70 (((unsigned long)(x) * COMPAT_USER_HZ) / HZ)
72 typedef __compat_uid32_t compat_uid_t;
73 typedef __compat_gid32_t compat_gid_t;
75 typedef compat_ulong_t compat_aio_context_t;
77 struct compat_sel_arg_struct;
80 struct compat_itimerspec {
81 struct compat_timespec it_interval;
82 struct compat_timespec it_value;
85 struct compat_utimbuf {
87 compat_time_t modtime;
90 struct compat_itimerval {
91 struct compat_timeval it_interval;
92 struct compat_timeval it_value;
96 compat_clock_t tms_utime;
97 compat_clock_t tms_stime;
98 compat_clock_t tms_cutime;
99 compat_clock_t tms_cstime;
102 struct compat_timex {
104 compat_long_t offset;
106 compat_long_t maxerror;
107 compat_long_t esterror;
109 compat_long_t constant;
110 compat_long_t precision;
111 compat_long_t tolerance;
112 struct compat_timeval time;
114 compat_long_t ppsfreq;
115 compat_long_t jitter;
117 compat_long_t stabil;
118 compat_long_t jitcnt;
119 compat_long_t calcnt;
120 compat_long_t errcnt;
121 compat_long_t stbcnt;
124 compat_int_t:32; compat_int_t:32; compat_int_t:32; compat_int_t:32;
125 compat_int_t:32; compat_int_t:32; compat_int_t:32; compat_int_t:32;
126 compat_int_t:32; compat_int_t:32; compat_int_t:32;
129 #define _COMPAT_NSIG_WORDS (_COMPAT_NSIG / _COMPAT_NSIG_BPW)
132 compat_sigset_word sig[_COMPAT_NSIG_WORDS];
135 struct compat_sigaction {
136 #ifndef __ARCH_HAS_IRIX_SIGACTION
137 compat_uptr_t sa_handler;
138 compat_ulong_t sa_flags;
140 compat_uint_t sa_flags;
141 compat_uptr_t sa_handler;
143 #ifdef __ARCH_HAS_SA_RESTORER
144 compat_uptr_t sa_restorer;
146 compat_sigset_t sa_mask __packed;
150 * These functions operate on 32- or 64-bit specs depending on
151 * COMPAT_USE_64BIT_TIME, hence the void user pointer arguments.
153 extern int compat_get_timespec(struct timespec *, const void __user *);
154 extern int compat_put_timespec(const struct timespec *, void __user *);
155 extern int compat_get_timeval(struct timeval *, const void __user *);
156 extern int compat_put_timeval(const struct timeval *, void __user *);
159 * This function convert a timespec if necessary and returns a *user
160 * space* pointer. If no conversion is necessary, it returns the
161 * initial pointer. NULL is a legitimate argument and will always
164 extern int compat_convert_timespec(struct timespec __user **,
165 const void __user *);
167 struct compat_iovec {
168 compat_uptr_t iov_base;
169 compat_size_t iov_len;
172 struct compat_rlimit {
173 compat_ulong_t rlim_cur;
174 compat_ulong_t rlim_max;
177 struct compat_rusage {
178 struct compat_timeval ru_utime;
179 struct compat_timeval ru_stime;
180 compat_long_t ru_maxrss;
181 compat_long_t ru_ixrss;
182 compat_long_t ru_idrss;
183 compat_long_t ru_isrss;
184 compat_long_t ru_minflt;
185 compat_long_t ru_majflt;
186 compat_long_t ru_nswap;
187 compat_long_t ru_inblock;
188 compat_long_t ru_oublock;
189 compat_long_t ru_msgsnd;
190 compat_long_t ru_msgrcv;
191 compat_long_t ru_nsignals;
192 compat_long_t ru_nvcsw;
193 compat_long_t ru_nivcsw;
196 extern int put_compat_rusage(const struct rusage *,
197 struct compat_rusage __user *);
199 struct compat_siginfo;
201 extern asmlinkage long compat_sys_waitid(int, compat_pid_t,
202 struct compat_siginfo __user *, int,
203 struct compat_rusage __user *);
205 struct compat_dirent {
212 struct compat_ustat {
213 compat_daddr_t f_tfree;
214 compat_ino_t f_tinode;
219 #define COMPAT_SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE/sizeof(int)) - 3)
221 typedef struct compat_sigevent {
222 compat_sigval_t sigev_value;
223 compat_int_t sigev_signo;
224 compat_int_t sigev_notify;
226 compat_int_t _pad[COMPAT_SIGEV_PAD_SIZE];
230 compat_uptr_t _function;
231 compat_uptr_t _attribute;
236 struct compat_ifmap {
237 compat_ulong_t mem_start;
238 compat_ulong_t mem_end;
239 unsigned short base_addr;
245 struct compat_if_settings {
246 unsigned int type; /* Type of physical device or protocol */
247 unsigned int size; /* Size of the data allocated by the caller */
248 compat_uptr_t ifs_ifsu; /* union of pointers */
251 struct compat_ifreq {
253 char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */
256 struct sockaddr ifru_addr;
257 struct sockaddr ifru_dstaddr;
258 struct sockaddr ifru_broadaddr;
259 struct sockaddr ifru_netmask;
260 struct sockaddr ifru_hwaddr;
262 compat_int_t ifru_ivalue;
263 compat_int_t ifru_mtu;
264 struct compat_ifmap ifru_map;
265 char ifru_slave[IFNAMSIZ]; /* Just fits the size */
266 char ifru_newname[IFNAMSIZ];
267 compat_caddr_t ifru_data;
268 struct compat_if_settings ifru_settings;
272 struct compat_ifconf {
273 compat_int_t ifc_len; /* size of buffer */
274 compat_caddr_t ifcbuf;
277 struct compat_robust_list {
281 struct compat_robust_list_head {
282 struct compat_robust_list list;
283 compat_long_t futex_offset;
284 compat_uptr_t list_op_pending;
287 #ifdef CONFIG_COMPAT_OLD_SIGACTION
288 struct compat_old_sigaction {
289 compat_uptr_t sa_handler;
290 compat_old_sigset_t sa_mask;
291 compat_ulong_t sa_flags;
292 compat_uptr_t sa_restorer;
296 struct compat_statfs;
297 struct compat_statfs64;
298 struct compat_old_linux_dirent;
299 struct compat_linux_dirent;
300 struct linux_dirent64;
301 struct compat_msghdr;
302 struct compat_mmsghdr;
303 struct compat_sysinfo;
304 struct compat_sysctl_args;
305 struct compat_kexec_segment;
306 struct compat_mq_attr;
307 struct compat_msgbuf;
310 compat_sys_set_robust_list(struct compat_robust_list_head __user *head,
313 compat_sys_get_robust_list(int pid, compat_uptr_t __user *head_ptr,
314 compat_size_t __user *len_ptr);
316 asmlinkage long compat_sys_ipc(u32, int, int, u32, compat_uptr_t, u32);
317 asmlinkage long compat_sys_shmat(int shmid, compat_uptr_t shmaddr, int shmflg);
318 asmlinkage long compat_sys_semctl(int semid, int semnum, int cmd, int arg);
319 asmlinkage long compat_sys_msgsnd(int msqid, compat_uptr_t msgp,
320 compat_ssize_t msgsz, int msgflg);
321 asmlinkage long compat_sys_msgrcv(int msqid, compat_uptr_t msgp,
322 compat_ssize_t msgsz, compat_long_t msgtyp, int msgflg);
323 long compat_sys_msgctl(int first, int second, void __user *uptr);
324 long compat_sys_shmctl(int first, int second, void __user *uptr);
325 long compat_sys_semtimedop(int semid, struct sembuf __user *tsems,
326 unsigned nsems, const struct compat_timespec __user *timeout);
327 asmlinkage long compat_sys_keyctl(u32 option,
328 u32 arg2, u32 arg3, u32 arg4, u32 arg5);
329 asmlinkage long compat_sys_ustat(unsigned dev, struct compat_ustat __user *u32);
331 asmlinkage ssize_t compat_sys_readv(compat_ulong_t fd,
332 const struct compat_iovec __user *vec, compat_ulong_t vlen);
333 asmlinkage ssize_t compat_sys_writev(compat_ulong_t fd,
334 const struct compat_iovec __user *vec, compat_ulong_t vlen);
335 asmlinkage ssize_t compat_sys_preadv(compat_ulong_t fd,
336 const struct compat_iovec __user *vec,
337 compat_ulong_t vlen, u32 pos_low, u32 pos_high);
338 asmlinkage ssize_t compat_sys_pwritev(compat_ulong_t fd,
339 const struct compat_iovec __user *vec,
340 compat_ulong_t vlen, u32 pos_low, u32 pos_high);
342 #ifdef __ARCH_WANT_COMPAT_SYS_PREADV64
343 asmlinkage long compat_sys_preadv64(unsigned long fd,
344 const struct compat_iovec __user *vec,
345 unsigned long vlen, loff_t pos);
348 #ifdef __ARCH_WANT_COMPAT_SYS_PWRITEV64
349 asmlinkage long compat_sys_pwritev64(unsigned long fd,
350 const struct compat_iovec __user *vec,
351 unsigned long vlen, loff_t pos);
354 asmlinkage long compat_sys_lseek(unsigned int, compat_off_t, unsigned int);
356 asmlinkage long compat_sys_execve(const char __user *filename, const compat_uptr_t __user *argv,
357 const compat_uptr_t __user *envp);
358 asmlinkage long compat_sys_execveat(int dfd, const char __user *filename,
359 const compat_uptr_t __user *argv,
360 const compat_uptr_t __user *envp, int flags);
362 asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp,
363 compat_ulong_t __user *outp, compat_ulong_t __user *exp,
364 struct compat_timeval __user *tvp);
366 asmlinkage long compat_sys_old_select(struct compat_sel_arg_struct __user *arg);
368 asmlinkage long compat_sys_wait4(compat_pid_t pid,
369 compat_uint_t __user *stat_addr, int options,
370 struct compat_rusage __user *ru);
372 #define BITS_PER_COMPAT_LONG (8*sizeof(compat_long_t))
374 #define BITS_TO_COMPAT_LONGS(bits) \
375 (((bits)+BITS_PER_COMPAT_LONG-1)/BITS_PER_COMPAT_LONG)
377 long compat_get_bitmap(unsigned long *mask, const compat_ulong_t __user *umask,
378 unsigned long bitmap_size);
379 long compat_put_bitmap(compat_ulong_t __user *umask, unsigned long *mask,
380 unsigned long bitmap_size);
381 int copy_siginfo_from_user32(siginfo_t *to, struct compat_siginfo __user *from);
382 int copy_siginfo_to_user32(struct compat_siginfo __user *to, const siginfo_t *from);
383 int get_compat_sigevent(struct sigevent *event,
384 const struct compat_sigevent __user *u_event);
385 long compat_sys_rt_tgsigqueueinfo(compat_pid_t tgid, compat_pid_t pid, int sig,
386 struct compat_siginfo __user *uinfo);
387 #ifdef CONFIG_COMPAT_OLD_SIGACTION
388 asmlinkage long compat_sys_sigaction(int sig,
389 const struct compat_old_sigaction __user *act,
390 struct compat_old_sigaction __user *oact);
393 static inline int compat_timeval_compare(struct compat_timeval *lhs,
394 struct compat_timeval *rhs)
396 if (lhs->tv_sec < rhs->tv_sec)
398 if (lhs->tv_sec > rhs->tv_sec)
400 return lhs->tv_usec - rhs->tv_usec;
403 static inline int compat_timespec_compare(struct compat_timespec *lhs,
404 struct compat_timespec *rhs)
406 if (lhs->tv_sec < rhs->tv_sec)
408 if (lhs->tv_sec > rhs->tv_sec)
410 return lhs->tv_nsec - rhs->tv_nsec;
413 extern int get_compat_itimerspec(struct itimerspec *dst,
414 const struct compat_itimerspec __user *src);
415 extern int put_compat_itimerspec(struct compat_itimerspec __user *dst,
416 const struct itimerspec *src);
418 asmlinkage long compat_sys_gettimeofday(struct compat_timeval __user *tv,
419 struct timezone __user *tz);
420 asmlinkage long compat_sys_settimeofday(struct compat_timeval __user *tv,
421 struct timezone __user *tz);
423 asmlinkage long compat_sys_adjtimex(struct compat_timex __user *utp);
425 extern __printf(1, 2) int compat_printk(const char *fmt, ...);
426 extern void sigset_from_compat(sigset_t *set, const compat_sigset_t *compat);
427 extern void sigset_to_compat(compat_sigset_t *compat, const sigset_t *set);
429 asmlinkage long compat_sys_migrate_pages(compat_pid_t pid,
430 compat_ulong_t maxnode, const compat_ulong_t __user *old_nodes,
431 const compat_ulong_t __user *new_nodes);
433 extern int compat_ptrace_request(struct task_struct *child,
434 compat_long_t request,
435 compat_ulong_t addr, compat_ulong_t data);
437 extern long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
438 compat_ulong_t addr, compat_ulong_t data);
439 asmlinkage long compat_sys_ptrace(compat_long_t request, compat_long_t pid,
440 compat_long_t addr, compat_long_t data);
442 asmlinkage long compat_sys_lookup_dcookie(u32, u32, char __user *, compat_size_t);
444 * epoll (fs/eventpoll.c) compat bits follow ...
446 struct epoll_event; /* fortunately, this one is fixed-layout */
447 asmlinkage long compat_sys_epoll_pwait(int epfd,
448 struct epoll_event __user *events,
449 int maxevents, int timeout,
450 const compat_sigset_t __user *sigmask,
451 compat_size_t sigsetsize);
453 asmlinkage long compat_sys_utime(const char __user *filename,
454 struct compat_utimbuf __user *t);
455 asmlinkage long compat_sys_utimensat(unsigned int dfd,
456 const char __user *filename,
457 struct compat_timespec __user *t,
460 asmlinkage long compat_sys_time(compat_time_t __user *tloc);
461 asmlinkage long compat_sys_stime(compat_time_t __user *tptr);
462 asmlinkage long compat_sys_signalfd(int ufd,
463 const compat_sigset_t __user *sigmask,
464 compat_size_t sigsetsize);
465 asmlinkage long compat_sys_timerfd_settime(int ufd, int flags,
466 const struct compat_itimerspec __user *utmr,
467 struct compat_itimerspec __user *otmr);
468 asmlinkage long compat_sys_timerfd_gettime(int ufd,
469 struct compat_itimerspec __user *otmr);
471 asmlinkage long compat_sys_move_pages(pid_t pid, compat_ulong_t nr_pages,
473 const int __user *nodes,
476 asmlinkage long compat_sys_futimesat(unsigned int dfd,
477 const char __user *filename,
478 struct compat_timeval __user *t);
479 asmlinkage long compat_sys_utimes(const char __user *filename,
480 struct compat_timeval __user *t);
481 asmlinkage long compat_sys_newstat(const char __user *filename,
482 struct compat_stat __user *statbuf);
483 asmlinkage long compat_sys_newlstat(const char __user *filename,
484 struct compat_stat __user *statbuf);
485 asmlinkage long compat_sys_newfstatat(unsigned int dfd,
486 const char __user *filename,
487 struct compat_stat __user *statbuf,
489 asmlinkage long compat_sys_newfstat(unsigned int fd,
490 struct compat_stat __user *statbuf);
491 asmlinkage long compat_sys_statfs(const char __user *pathname,
492 struct compat_statfs __user *buf);
493 asmlinkage long compat_sys_fstatfs(unsigned int fd,
494 struct compat_statfs __user *buf);
495 asmlinkage long compat_sys_statfs64(const char __user *pathname,
497 struct compat_statfs64 __user *buf);
498 asmlinkage long compat_sys_fstatfs64(unsigned int fd, compat_size_t sz,
499 struct compat_statfs64 __user *buf);
500 asmlinkage long compat_sys_fcntl64(unsigned int fd, unsigned int cmd,
502 asmlinkage long compat_sys_fcntl(unsigned int fd, unsigned int cmd,
504 asmlinkage long compat_sys_io_setup(unsigned nr_reqs, u32 __user *ctx32p);
505 asmlinkage long compat_sys_io_getevents(compat_aio_context_t ctx_id,
506 compat_long_t min_nr,
508 struct io_event __user *events,
509 struct compat_timespec __user *timeout);
510 asmlinkage long compat_sys_io_submit(compat_aio_context_t ctx_id, int nr,
512 asmlinkage long compat_sys_mount(const char __user *dev_name,
513 const char __user *dir_name,
514 const char __user *type, compat_ulong_t flags,
515 const void __user *data);
516 asmlinkage long compat_sys_old_readdir(unsigned int fd,
517 struct compat_old_linux_dirent __user *,
519 asmlinkage long compat_sys_getdents(unsigned int fd,
520 struct compat_linux_dirent __user *dirent,
522 #ifdef __ARCH_WANT_COMPAT_SYS_GETDENTS64
523 asmlinkage long compat_sys_getdents64(unsigned int fd,
524 struct linux_dirent64 __user *dirent,
527 asmlinkage long compat_sys_vmsplice(int fd, const struct compat_iovec __user *,
528 unsigned int nr_segs, unsigned int flags);
529 asmlinkage long compat_sys_open(const char __user *filename, int flags,
531 asmlinkage long compat_sys_openat(int dfd, const char __user *filename,
532 int flags, umode_t mode);
533 asmlinkage long compat_sys_open_by_handle_at(int mountdirfd,
534 struct file_handle __user *handle,
536 asmlinkage long compat_sys_truncate(const char __user *, compat_off_t);
537 asmlinkage long compat_sys_ftruncate(unsigned int, compat_ulong_t);
538 asmlinkage long compat_sys_pselect6(int n, compat_ulong_t __user *inp,
539 compat_ulong_t __user *outp,
540 compat_ulong_t __user *exp,
541 struct compat_timespec __user *tsp,
543 asmlinkage long compat_sys_ppoll(struct pollfd __user *ufds,
545 struct compat_timespec __user *tsp,
546 const compat_sigset_t __user *sigmask,
547 compat_size_t sigsetsize);
548 asmlinkage long compat_sys_signalfd4(int ufd,
549 const compat_sigset_t __user *sigmask,
550 compat_size_t sigsetsize, int flags);
551 asmlinkage long compat_sys_get_mempolicy(int __user *policy,
552 compat_ulong_t __user *nmask,
553 compat_ulong_t maxnode,
555 compat_ulong_t flags);
556 asmlinkage long compat_sys_set_mempolicy(int mode, compat_ulong_t __user *nmask,
557 compat_ulong_t maxnode);
558 asmlinkage long compat_sys_mbind(compat_ulong_t start, compat_ulong_t len,
560 compat_ulong_t __user *nmask,
561 compat_ulong_t maxnode, compat_ulong_t flags);
563 asmlinkage long compat_sys_setsockopt(int fd, int level, int optname,
564 char __user *optval, unsigned int optlen);
565 asmlinkage long compat_sys_sendmsg(int fd, struct compat_msghdr __user *msg,
567 asmlinkage long compat_sys_sendmmsg(int fd, struct compat_mmsghdr __user *mmsg,
568 unsigned vlen, unsigned int flags);
569 asmlinkage long compat_sys_recvmsg(int fd, struct compat_msghdr __user *msg,
571 asmlinkage long compat_sys_recv(int fd, void __user *buf, compat_size_t len,
573 asmlinkage long compat_sys_recvfrom(int fd, void __user *buf, compat_size_t len,
574 unsigned flags, struct sockaddr __user *addr,
575 int __user *addrlen);
576 asmlinkage long compat_sys_recvmmsg(int fd, struct compat_mmsghdr __user *mmsg,
577 unsigned vlen, unsigned int flags,
578 struct compat_timespec __user *timeout);
579 asmlinkage long compat_sys_nanosleep(struct compat_timespec __user *rqtp,
580 struct compat_timespec __user *rmtp);
581 asmlinkage long compat_sys_getitimer(int which,
582 struct compat_itimerval __user *it);
583 asmlinkage long compat_sys_setitimer(int which,
584 struct compat_itimerval __user *in,
585 struct compat_itimerval __user *out);
586 asmlinkage long compat_sys_times(struct compat_tms __user *tbuf);
587 asmlinkage long compat_sys_setrlimit(unsigned int resource,
588 struct compat_rlimit __user *rlim);
589 asmlinkage long compat_sys_getrlimit(unsigned int resource,
590 struct compat_rlimit __user *rlim);
591 asmlinkage long compat_sys_getrusage(int who, struct compat_rusage __user *ru);
592 asmlinkage long compat_sys_sched_setaffinity(compat_pid_t pid,
594 compat_ulong_t __user *user_mask_ptr);
595 asmlinkage long compat_sys_sched_getaffinity(compat_pid_t pid,
597 compat_ulong_t __user *user_mask_ptr);
598 asmlinkage long compat_sys_timer_create(clockid_t which_clock,
599 struct compat_sigevent __user *timer_event_spec,
600 timer_t __user *created_timer_id);
601 asmlinkage long compat_sys_timer_settime(timer_t timer_id, int flags,
602 struct compat_itimerspec __user *new,
603 struct compat_itimerspec __user *old);
604 asmlinkage long compat_sys_timer_gettime(timer_t timer_id,
605 struct compat_itimerspec __user *setting);
606 asmlinkage long compat_sys_clock_settime(clockid_t which_clock,
607 struct compat_timespec __user *tp);
608 asmlinkage long compat_sys_clock_gettime(clockid_t which_clock,
609 struct compat_timespec __user *tp);
610 asmlinkage long compat_sys_clock_adjtime(clockid_t which_clock,
611 struct compat_timex __user *tp);
612 asmlinkage long compat_sys_clock_getres(clockid_t which_clock,
613 struct compat_timespec __user *tp);
614 asmlinkage long compat_sys_clock_nanosleep(clockid_t which_clock, int flags,
615 struct compat_timespec __user *rqtp,
616 struct compat_timespec __user *rmtp);
617 asmlinkage long compat_sys_rt_sigtimedwait(compat_sigset_t __user *uthese,
618 struct compat_siginfo __user *uinfo,
619 struct compat_timespec __user *uts, compat_size_t sigsetsize);
620 asmlinkage long compat_sys_rt_sigsuspend(compat_sigset_t __user *unewset,
621 compat_size_t sigsetsize);
622 asmlinkage long compat_sys_rt_sigprocmask(int how, compat_sigset_t __user *set,
623 compat_sigset_t __user *oset,
624 compat_size_t sigsetsize);
625 asmlinkage long compat_sys_rt_sigpending(compat_sigset_t __user *uset,
626 compat_size_t sigsetsize);
627 #ifndef CONFIG_ODD_RT_SIGACTION
628 asmlinkage long compat_sys_rt_sigaction(int,
629 const struct compat_sigaction __user *,
630 struct compat_sigaction __user *,
633 asmlinkage long compat_sys_rt_sigqueueinfo(compat_pid_t pid, int sig,
634 struct compat_siginfo __user *uinfo);
635 asmlinkage long compat_sys_sysinfo(struct compat_sysinfo __user *info);
636 asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd,
638 asmlinkage long compat_sys_futex(u32 __user *uaddr, int op, u32 val,
639 struct compat_timespec __user *utime, u32 __user *uaddr2,
641 asmlinkage long compat_sys_getsockopt(int fd, int level, int optname,
642 char __user *optval, int __user *optlen);
643 asmlinkage long compat_sys_kexec_load(compat_ulong_t entry,
644 compat_ulong_t nr_segments,
645 struct compat_kexec_segment __user *,
646 compat_ulong_t flags);
647 asmlinkage long compat_sys_mq_getsetattr(mqd_t mqdes,
648 const struct compat_mq_attr __user *u_mqstat,
649 struct compat_mq_attr __user *u_omqstat);
650 asmlinkage long compat_sys_mq_notify(mqd_t mqdes,
651 const struct compat_sigevent __user *u_notification);
652 asmlinkage long compat_sys_mq_open(const char __user *u_name,
653 int oflag, compat_mode_t mode,
654 struct compat_mq_attr __user *u_attr);
655 asmlinkage long compat_sys_mq_timedsend(mqd_t mqdes,
656 const char __user *u_msg_ptr,
657 compat_size_t msg_len, unsigned int msg_prio,
658 const struct compat_timespec __user *u_abs_timeout);
659 asmlinkage ssize_t compat_sys_mq_timedreceive(mqd_t mqdes,
660 char __user *u_msg_ptr,
661 compat_size_t msg_len, unsigned int __user *u_msg_prio,
662 const struct compat_timespec __user *u_abs_timeout);
663 asmlinkage long compat_sys_socketcall(int call, u32 __user *args);
664 asmlinkage long compat_sys_sysctl(struct compat_sysctl_args __user *args);
666 extern ssize_t compat_rw_copy_check_uvector(int type,
667 const struct compat_iovec __user *uvector,
668 unsigned long nr_segs,
669 unsigned long fast_segs, struct iovec *fast_pointer,
670 struct iovec **ret_pointer);
672 extern void __user *compat_alloc_user_space(unsigned long len);
674 asmlinkage ssize_t compat_sys_process_vm_readv(compat_pid_t pid,
675 const struct compat_iovec __user *lvec,
676 compat_ulong_t liovcnt, const struct compat_iovec __user *rvec,
677 compat_ulong_t riovcnt, compat_ulong_t flags);
678 asmlinkage ssize_t compat_sys_process_vm_writev(compat_pid_t pid,
679 const struct compat_iovec __user *lvec,
680 compat_ulong_t liovcnt, const struct compat_iovec __user *rvec,
681 compat_ulong_t riovcnt, compat_ulong_t flags);
683 asmlinkage long compat_sys_sendfile(int out_fd, int in_fd,
684 compat_off_t __user *offset, compat_size_t count);
685 asmlinkage long compat_sys_sendfile64(int out_fd, int in_fd,
686 compat_loff_t __user *offset, compat_size_t count);
687 asmlinkage long compat_sys_sigaltstack(const compat_stack_t __user *uss_ptr,
688 compat_stack_t __user *uoss_ptr);
690 #ifdef __ARCH_WANT_SYS_SIGPENDING
691 asmlinkage long compat_sys_sigpending(compat_old_sigset_t __user *set);
694 #ifdef __ARCH_WANT_SYS_SIGPROCMASK
695 asmlinkage long compat_sys_sigprocmask(int how, compat_old_sigset_t __user *nset,
696 compat_old_sigset_t __user *oset);
699 int compat_restore_altstack(const compat_stack_t __user *uss);
700 int __compat_save_altstack(compat_stack_t __user *, unsigned long);
701 #define compat_save_altstack_ex(uss, sp) do { \
702 compat_stack_t __user *__uss = uss; \
703 struct task_struct *t = current; \
704 put_user_ex(ptr_to_compat((void __user *)t->sas_ss_sp), &__uss->ss_sp); \
705 put_user_ex(sas_ss_flags(sp), &__uss->ss_flags); \
706 put_user_ex(t->sas_ss_size, &__uss->ss_size); \
709 asmlinkage long compat_sys_sched_rr_get_interval(compat_pid_t pid,
710 struct compat_timespec __user *interval);
712 asmlinkage long compat_sys_fanotify_mark(int, unsigned int, __u32, __u32,
713 int, const char __user *);
716 #define is_compat_task() (0)
718 #endif /* CONFIG_COMPAT */
719 #endif /* _LINUX_COMPAT_H */