1#ifndef _LINUX_COMPAT_H
2#define _LINUX_COMPAT_H
3
4
5
6
7
8#ifdef CONFIG_COMPAT
9
10#include <linux/stat.h>
11#include <linux/param.h>
12#include <linux/sem.h>
13#include <linux/socket.h>
14#include <linux/if.h>
15#include <linux/fs.h>
16#include <linux/aio_abi.h>
17
18#include <asm/compat.h>
19#include <asm/siginfo.h>
20#include <asm/signal.h>
21
22#ifndef COMPAT_USE_64BIT_TIME
23#define COMPAT_USE_64BIT_TIME 0
24#endif
25
26#ifndef __SC_DELOUSE
27#define __SC_DELOUSE(t,v) ((t)(unsigned long)(v))
28#endif
29
30#define __SC_CCAST1(t1, a1) __SC_DELOUSE(t1,a1)
31#define __SC_CCAST2(t2, a2, ...) __SC_DELOUSE(t2,a2), __SC_CCAST1(__VA_ARGS__)
32#define __SC_CCAST3(t3, a3, ...) __SC_DELOUSE(t3,a3), __SC_CCAST2(__VA_ARGS__)
33#define __SC_CCAST4(t4, a4, ...) __SC_DELOUSE(t4,a4), __SC_CCAST3(__VA_ARGS__)
34#define __SC_CCAST5(t5, a5, ...) __SC_DELOUSE(t5,a5), __SC_CCAST4(__VA_ARGS__)
35#define __SC_CCAST6(t6, a6, ...) __SC_DELOUSE(t6,a6), __SC_CCAST5(__VA_ARGS__)
36#define COMPAT_SYSCALL_DEFINE1(name, ...) \
37 COMPAT_SYSCALL_DEFINEx(1, _##name, __VA_ARGS__)
38#define COMPAT_SYSCALL_DEFINE2(name, ...) \
39 COMPAT_SYSCALL_DEFINEx(2, _##name, __VA_ARGS__)
40#define COMPAT_SYSCALL_DEFINE3(name, ...) \
41 COMPAT_SYSCALL_DEFINEx(3, _##name, __VA_ARGS__)
42#define COMPAT_SYSCALL_DEFINE4(name, ...) \
43 COMPAT_SYSCALL_DEFINEx(4, _##name, __VA_ARGS__)
44#define COMPAT_SYSCALL_DEFINE5(name, ...) \
45 COMPAT_SYSCALL_DEFINEx(5, _##name, __VA_ARGS__)
46#define COMPAT_SYSCALL_DEFINE6(name, ...) \
47 COMPAT_SYSCALL_DEFINEx(6, _##name, __VA_ARGS__)
48
49#ifdef CONFIG_HAVE_SYSCALL_WRAPPERS
50
51#define COMPAT_SYSCALL_DEFINEx(x, name, ...) \
52 asmlinkage long compat_sys##name(__SC_DECL##x(__VA_ARGS__)); \
53 static inline long C_SYSC##name(__SC_DECL##x(__VA_ARGS__)); \
54 asmlinkage long compat_SyS##name(__SC_LONG##x(__VA_ARGS__)) \
55 { \
56 return (long) C_SYSC##name(__SC_CCAST##x(__VA_ARGS__)); \
57 } \
58 SYSCALL_ALIAS(compat_sys##name, compat_SyS##name); \
59 static inline long C_SYSC##name(__SC_DECL##x(__VA_ARGS__))
60
61#else
62
63#define COMPAT_SYSCALL_DEFINEx(x, name, ...) \
64 asmlinkage long compat_sys##name(__SC_DECL##x(__VA_ARGS__))
65
66#endif
67
68#ifndef compat_user_stack_pointer
69#define compat_user_stack_pointer() current_user_stack_pointer()
70#endif
71#ifndef compat_sigaltstack
72typedef struct compat_sigaltstack {
73 compat_uptr_t ss_sp;
74 int ss_flags;
75 compat_size_t ss_size;
76} compat_stack_t;
77#endif
78
79#define compat_jiffies_to_clock_t(x) \
80 (((unsigned long)(x) * COMPAT_USER_HZ) / HZ)
81
82typedef __compat_uid32_t compat_uid_t;
83typedef __compat_gid32_t compat_gid_t;
84
85struct compat_sel_arg_struct;
86struct rusage;
87
88struct compat_itimerspec {
89 struct compat_timespec it_interval;
90 struct compat_timespec it_value;
91};
92
93struct compat_utimbuf {
94 compat_time_t actime;
95 compat_time_t modtime;
96};
97
98struct compat_itimerval {
99 struct compat_timeval it_interval;
100 struct compat_timeval it_value;
101};
102
103struct compat_tms {
104 compat_clock_t tms_utime;
105 compat_clock_t tms_stime;
106 compat_clock_t tms_cutime;
107 compat_clock_t tms_cstime;
108};
109
110struct compat_timex {
111 compat_uint_t modes;
112 compat_long_t offset;
113 compat_long_t freq;
114 compat_long_t maxerror;
115 compat_long_t esterror;
116 compat_int_t status;
117 compat_long_t constant;
118 compat_long_t precision;
119 compat_long_t tolerance;
120 struct compat_timeval time;
121 compat_long_t tick;
122 compat_long_t ppsfreq;
123 compat_long_t jitter;
124 compat_int_t shift;
125 compat_long_t stabil;
126 compat_long_t jitcnt;
127 compat_long_t calcnt;
128 compat_long_t errcnt;
129 compat_long_t stbcnt;
130 compat_int_t tai;
131
132 compat_int_t:32; compat_int_t:32; compat_int_t:32; compat_int_t:32;
133 compat_int_t:32; compat_int_t:32; compat_int_t:32; compat_int_t:32;
134 compat_int_t:32; compat_int_t:32; compat_int_t:32;
135};
136
137#define _COMPAT_NSIG_WORDS (_COMPAT_NSIG / _COMPAT_NSIG_BPW)
138
139typedef struct {
140 compat_sigset_word sig[_COMPAT_NSIG_WORDS];
141} compat_sigset_t;
142
143struct compat_sigaction {
144#ifndef __ARCH_HAS_IRIX_SIGACTION
145 compat_uptr_t sa_handler;
146 compat_ulong_t sa_flags;
147#else
148 compat_uint_t sa_flags;
149 compat_uptr_t sa_handler;
150#endif
151#ifdef __ARCH_HAS_SA_RESTORER
152 compat_uptr_t sa_restorer;
153#endif
154 compat_sigset_t sa_mask __packed;
155};
156
157
158
159
160extern int get_compat_timespec(struct timespec *,
161 const struct compat_timespec __user *);
162extern int put_compat_timespec(const struct timespec *,
163 struct compat_timespec __user *);
164extern int get_compat_timeval(struct timeval *,
165 const struct compat_timeval __user *);
166extern int put_compat_timeval(const struct timeval *,
167 struct compat_timeval __user *);
168
169
170
171
172
173extern int compat_get_timespec(struct timespec *, const void __user *);
174extern int compat_put_timespec(const struct timespec *, void __user *);
175extern int compat_get_timeval(struct timeval *, const void __user *);
176extern int compat_put_timeval(const struct timeval *, void __user *);
177
178struct compat_iovec {
179 compat_uptr_t iov_base;
180 compat_size_t iov_len;
181};
182
183struct compat_rlimit {
184 compat_ulong_t rlim_cur;
185 compat_ulong_t rlim_max;
186};
187
188struct compat_rusage {
189 struct compat_timeval ru_utime;
190 struct compat_timeval ru_stime;
191 compat_long_t ru_maxrss;
192 compat_long_t ru_ixrss;
193 compat_long_t ru_idrss;
194 compat_long_t ru_isrss;
195 compat_long_t ru_minflt;
196 compat_long_t ru_majflt;
197 compat_long_t ru_nswap;
198 compat_long_t ru_inblock;
199 compat_long_t ru_oublock;
200 compat_long_t ru_msgsnd;
201 compat_long_t ru_msgrcv;
202 compat_long_t ru_nsignals;
203 compat_long_t ru_nvcsw;
204 compat_long_t ru_nivcsw;
205};
206
207extern int put_compat_rusage(const struct rusage *,
208 struct compat_rusage __user *);
209
210struct compat_siginfo;
211
212extern asmlinkage long compat_sys_waitid(int, compat_pid_t,
213 struct compat_siginfo __user *, int,
214 struct compat_rusage __user *);
215
216struct compat_dirent {
217 u32 d_ino;
218 compat_off_t d_off;
219 u16 d_reclen;
220 char d_name[256];
221};
222
223struct compat_ustat {
224 compat_daddr_t f_tfree;
225 compat_ino_t f_tinode;
226 char f_fname[6];
227 char f_fpack[6];
228};
229
230#define COMPAT_SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE/sizeof(int)) - 3)
231
232typedef struct compat_sigevent {
233 compat_sigval_t sigev_value;
234 compat_int_t sigev_signo;
235 compat_int_t sigev_notify;
236 union {
237 compat_int_t _pad[COMPAT_SIGEV_PAD_SIZE];
238 compat_int_t _tid;
239
240 struct {
241 compat_uptr_t _function;
242 compat_uptr_t _attribute;
243 } _sigev_thread;
244 } _sigev_un;
245} compat_sigevent_t;
246
247struct compat_ifmap {
248 compat_ulong_t mem_start;
249 compat_ulong_t mem_end;
250 unsigned short base_addr;
251 unsigned char irq;
252 unsigned char dma;
253 unsigned char port;
254};
255
256struct compat_if_settings {
257 unsigned int type;
258 unsigned int size;
259 compat_uptr_t ifs_ifsu;
260};
261
262struct compat_ifreq {
263 union {
264 char ifrn_name[IFNAMSIZ];
265 } ifr_ifrn;
266 union {
267 struct sockaddr ifru_addr;
268 struct sockaddr ifru_dstaddr;
269 struct sockaddr ifru_broadaddr;
270 struct sockaddr ifru_netmask;
271 struct sockaddr ifru_hwaddr;
272 short ifru_flags;
273 compat_int_t ifru_ivalue;
274 compat_int_t ifru_mtu;
275 struct compat_ifmap ifru_map;
276 char ifru_slave[IFNAMSIZ];
277 char ifru_newname[IFNAMSIZ];
278 compat_caddr_t ifru_data;
279 struct compat_if_settings ifru_settings;
280 } ifr_ifru;
281};
282
283struct compat_ifconf {
284 compat_int_t ifc_len;
285 compat_caddr_t ifcbuf;
286};
287
288struct compat_robust_list {
289 compat_uptr_t next;
290};
291
292struct compat_robust_list_head {
293 struct compat_robust_list list;
294 compat_long_t futex_offset;
295 compat_uptr_t list_op_pending;
296};
297
298#ifdef CONFIG_COMPAT_OLD_SIGACTION
299struct compat_old_sigaction {
300 compat_uptr_t sa_handler;
301 compat_old_sigset_t sa_mask;
302 compat_ulong_t sa_flags;
303 compat_uptr_t sa_restorer;
304};
305#endif
306
307struct compat_statfs;
308struct compat_statfs64;
309struct compat_old_linux_dirent;
310struct compat_linux_dirent;
311struct linux_dirent64;
312struct compat_msghdr;
313struct compat_mmsghdr;
314struct compat_sysinfo;
315struct compat_sysctl_args;
316struct compat_kexec_segment;
317struct compat_mq_attr;
318struct compat_msgbuf;
319
320extern void compat_exit_robust_list(struct task_struct *curr);
321
322asmlinkage long
323compat_sys_set_robust_list(struct compat_robust_list_head __user *head,
324 compat_size_t len);
325asmlinkage long
326compat_sys_get_robust_list(int pid, compat_uptr_t __user *head_ptr,
327 compat_size_t __user *len_ptr);
328
329#ifdef CONFIG_ARCH_WANT_OLD_COMPAT_IPC
330long compat_sys_semctl(int first, int second, int third, void __user *uptr);
331long compat_sys_msgsnd(int first, int second, int third, void __user *uptr);
332long compat_sys_msgrcv(int first, int second, int msgtyp, int third,
333 int version, void __user *uptr);
334long compat_sys_shmat(int first, int second, compat_uptr_t third, int version,
335 void __user *uptr);
336#else
337long compat_sys_semctl(int semid, int semnum, int cmd, int arg);
338long compat_sys_msgsnd(int msqid, struct compat_msgbuf __user *msgp,
339 compat_ssize_t msgsz, int msgflg);
340long compat_sys_msgrcv(int msqid, struct compat_msgbuf __user *msgp,
341 compat_ssize_t msgsz, long msgtyp, int msgflg);
342long compat_sys_shmat(int shmid, compat_uptr_t shmaddr, int shmflg);
343#endif
344long compat_sys_msgctl(int first, int second, void __user *uptr);
345long compat_sys_shmctl(int first, int second, void __user *uptr);
346long compat_sys_semtimedop(int semid, struct sembuf __user *tsems,
347 unsigned nsems, const struct compat_timespec __user *timeout);
348asmlinkage long compat_sys_keyctl(u32 option,
349 u32 arg2, u32 arg3, u32 arg4, u32 arg5);
350asmlinkage long compat_sys_ustat(unsigned dev, struct compat_ustat __user *u32);
351
352asmlinkage ssize_t compat_sys_readv(unsigned long fd,
353 const struct compat_iovec __user *vec, unsigned long vlen);
354asmlinkage ssize_t compat_sys_writev(unsigned long fd,
355 const struct compat_iovec __user *vec, unsigned long vlen);
356asmlinkage ssize_t compat_sys_preadv(unsigned long fd,
357 const struct compat_iovec __user *vec,
358 unsigned long vlen, u32 pos_low, u32 pos_high);
359asmlinkage ssize_t compat_sys_pwritev(unsigned long fd,
360 const struct compat_iovec __user *vec,
361 unsigned long vlen, u32 pos_low, u32 pos_high);
362asmlinkage long comat_sys_lseek(unsigned int, compat_off_t, unsigned int);
363
364asmlinkage long compat_sys_execve(const char __user *filename, const compat_uptr_t __user *argv,
365 const compat_uptr_t __user *envp);
366
367asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp,
368 compat_ulong_t __user *outp, compat_ulong_t __user *exp,
369 struct compat_timeval __user *tvp);
370
371asmlinkage long compat_sys_old_select(struct compat_sel_arg_struct __user *arg);
372
373asmlinkage long compat_sys_wait4(compat_pid_t pid,
374 compat_uint_t __user *stat_addr, int options,
375 struct compat_rusage __user *ru);
376
377#define BITS_PER_COMPAT_LONG (8*sizeof(compat_long_t))
378
379#define BITS_TO_COMPAT_LONGS(bits) \
380 (((bits)+BITS_PER_COMPAT_LONG-1)/BITS_PER_COMPAT_LONG)
381
382long compat_get_bitmap(unsigned long *mask, const compat_ulong_t __user *umask,
383 unsigned long bitmap_size);
384long compat_put_bitmap(compat_ulong_t __user *umask, unsigned long *mask,
385 unsigned long bitmap_size);
386int copy_siginfo_from_user32(siginfo_t *to, struct compat_siginfo __user *from);
387int copy_siginfo_to_user32(struct compat_siginfo __user *to, siginfo_t *from);
388int get_compat_sigevent(struct sigevent *event,
389 const struct compat_sigevent __user *u_event);
390long compat_sys_rt_tgsigqueueinfo(compat_pid_t tgid, compat_pid_t pid, int sig,
391 struct compat_siginfo __user *uinfo);
392#ifdef CONFIG_COMPAT_OLD_SIGACTION
393asmlinkage long compat_sys_sigaction(int sig,
394 const struct compat_old_sigaction __user *act,
395 struct compat_old_sigaction __user *oact);
396#endif
397
398static inline int compat_timeval_compare(struct compat_timeval *lhs,
399 struct compat_timeval *rhs)
400{
401 if (lhs->tv_sec < rhs->tv_sec)
402 return -1;
403 if (lhs->tv_sec > rhs->tv_sec)
404 return 1;
405 return lhs->tv_usec - rhs->tv_usec;
406}
407
408static inline int compat_timespec_compare(struct compat_timespec *lhs,
409 struct compat_timespec *rhs)
410{
411 if (lhs->tv_sec < rhs->tv_sec)
412 return -1;
413 if (lhs->tv_sec > rhs->tv_sec)
414 return 1;
415 return lhs->tv_nsec - rhs->tv_nsec;
416}
417
418extern int get_compat_itimerspec(struct itimerspec *dst,
419 const struct compat_itimerspec __user *src);
420extern int put_compat_itimerspec(struct compat_itimerspec __user *dst,
421 const struct itimerspec *src);
422
423asmlinkage long compat_sys_gettimeofday(struct compat_timeval __user *tv,
424 struct timezone __user *tz);
425asmlinkage long compat_sys_settimeofday(struct compat_timeval __user *tv,
426 struct timezone __user *tz);
427
428asmlinkage long compat_sys_adjtimex(struct compat_timex __user *utp);
429
430extern int compat_printk(const char *fmt, ...);
431extern void sigset_from_compat(sigset_t *set, const compat_sigset_t *compat);
432extern void sigset_to_compat(compat_sigset_t *compat, const sigset_t *set);
433
434asmlinkage long compat_sys_migrate_pages(compat_pid_t pid,
435 compat_ulong_t maxnode, const compat_ulong_t __user *old_nodes,
436 const compat_ulong_t __user *new_nodes);
437
438extern int compat_ptrace_request(struct task_struct *child,
439 compat_long_t request,
440 compat_ulong_t addr, compat_ulong_t data);
441
442extern long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
443 compat_ulong_t addr, compat_ulong_t data);
444asmlinkage long compat_sys_ptrace(compat_long_t request, compat_long_t pid,
445 compat_long_t addr, compat_long_t data);
446
447
448
449
450struct epoll_event;
451#define compat_epoll_event epoll_event
452asmlinkage long compat_sys_epoll_pwait(int epfd,
453 struct compat_epoll_event __user *events,
454 int maxevents, int timeout,
455 const compat_sigset_t __user *sigmask,
456 compat_size_t sigsetsize);
457
458asmlinkage long compat_sys_utime(const char __user *filename,
459 struct compat_utimbuf __user *t);
460asmlinkage long compat_sys_utimensat(unsigned int dfd,
461 const char __user *filename,
462 struct compat_timespec __user *t,
463 int flags);
464
465asmlinkage long compat_sys_time(compat_time_t __user *tloc);
466asmlinkage long compat_sys_stime(compat_time_t __user *tptr);
467asmlinkage long compat_sys_signalfd(int ufd,
468 const compat_sigset_t __user *sigmask,
469 compat_size_t sigsetsize);
470asmlinkage long compat_sys_timerfd_settime(int ufd, int flags,
471 const struct compat_itimerspec __user *utmr,
472 struct compat_itimerspec __user *otmr);
473asmlinkage long compat_sys_timerfd_gettime(int ufd,
474 struct compat_itimerspec __user *otmr);
475
476asmlinkage long compat_sys_move_pages(pid_t pid, unsigned long nr_page,
477 __u32 __user *pages,
478 const int __user *nodes,
479 int __user *status,
480 int flags);
481asmlinkage long compat_sys_futimesat(unsigned int dfd,
482 const char __user *filename,
483 struct compat_timeval __user *t);
484asmlinkage long compat_sys_utimes(const char __user *filename,
485 struct compat_timeval __user *t);
486asmlinkage long compat_sys_newstat(const char __user *filename,
487 struct compat_stat __user *statbuf);
488asmlinkage long compat_sys_newlstat(const char __user *filename,
489 struct compat_stat __user *statbuf);
490asmlinkage long compat_sys_newfstatat(unsigned int dfd,
491 const char __user *filename,
492 struct compat_stat __user *statbuf,
493 int flag);
494asmlinkage long compat_sys_newfstat(unsigned int fd,
495 struct compat_stat __user *statbuf);
496asmlinkage long compat_sys_statfs(const char __user *pathname,
497 struct compat_statfs __user *buf);
498asmlinkage long compat_sys_fstatfs(unsigned int fd,
499 struct compat_statfs __user *buf);
500asmlinkage long compat_sys_statfs64(const char __user *pathname,
501 compat_size_t sz,
502 struct compat_statfs64 __user *buf);
503asmlinkage long compat_sys_fstatfs64(unsigned int fd, compat_size_t sz,
504 struct compat_statfs64 __user *buf);
505asmlinkage long compat_sys_fcntl64(unsigned int fd, unsigned int cmd,
506 unsigned long arg);
507asmlinkage long compat_sys_fcntl(unsigned int fd, unsigned int cmd,
508 unsigned long arg);
509asmlinkage long compat_sys_io_setup(unsigned nr_reqs, u32 __user *ctx32p);
510asmlinkage long compat_sys_io_getevents(aio_context_t ctx_id,
511 unsigned long min_nr,
512 unsigned long nr,
513 struct io_event __user *events,
514 struct compat_timespec __user *timeout);
515asmlinkage long compat_sys_io_submit(aio_context_t ctx_id, int nr,
516 u32 __user *iocb);
517asmlinkage long compat_sys_mount(const char __user *dev_name,
518 const char __user *dir_name,
519 const char __user *type, unsigned long flags,
520 const void __user *data);
521asmlinkage long compat_sys_old_readdir(unsigned int fd,
522 struct compat_old_linux_dirent __user *,
523 unsigned int count);
524asmlinkage long compat_sys_getdents(unsigned int fd,
525 struct compat_linux_dirent __user *dirent,
526 unsigned int count);
527asmlinkage long compat_sys_getdents64(unsigned int fd,
528 struct linux_dirent64 __user *dirent,
529 unsigned int count);
530asmlinkage long compat_sys_vmsplice(int fd, const struct compat_iovec __user *,
531 unsigned int nr_segs, unsigned int flags);
532asmlinkage long compat_sys_open(const char __user *filename, int flags,
533 umode_t mode);
534asmlinkage long compat_sys_openat(int dfd, const char __user *filename,
535 int flags, umode_t mode);
536asmlinkage long compat_sys_open_by_handle_at(int mountdirfd,
537 struct file_handle __user *handle,
538 int flags);
539asmlinkage long compat_sys_truncate(const char __user *, compat_off_t);
540asmlinkage long compat_sys_ftruncate(unsigned int, compat_ulong_t);
541asmlinkage long compat_sys_pselect6(int n, compat_ulong_t __user *inp,
542 compat_ulong_t __user *outp,
543 compat_ulong_t __user *exp,
544 struct compat_timespec __user *tsp,
545 void __user *sig);
546asmlinkage long compat_sys_ppoll(struct pollfd __user *ufds,
547 unsigned int nfds,
548 struct compat_timespec __user *tsp,
549 const compat_sigset_t __user *sigmask,
550 compat_size_t sigsetsize);
551asmlinkage long compat_sys_signalfd4(int ufd,
552 const compat_sigset_t __user *sigmask,
553 compat_size_t sigsetsize, int flags);
554asmlinkage long compat_sys_get_mempolicy(int __user *policy,
555 compat_ulong_t __user *nmask,
556 compat_ulong_t maxnode,
557 compat_ulong_t addr,
558 compat_ulong_t flags);
559asmlinkage long compat_sys_set_mempolicy(int mode, compat_ulong_t __user *nmask,
560 compat_ulong_t maxnode);
561asmlinkage long compat_sys_mbind(compat_ulong_t start, compat_ulong_t len,
562 compat_ulong_t mode,
563 compat_ulong_t __user *nmask,
564 compat_ulong_t maxnode, compat_ulong_t flags);
565
566asmlinkage long compat_sys_setsockopt(int fd, int level, int optname,
567 char __user *optval, unsigned int optlen);
568asmlinkage long compat_sys_sendmsg(int fd, struct compat_msghdr __user *msg,
569 unsigned flags);
570asmlinkage long compat_sys_sendmmsg(int fd, struct compat_mmsghdr __user *mmsg,
571 unsigned vlen, unsigned int flags);
572asmlinkage long compat_sys_recvmsg(int fd, struct compat_msghdr __user *msg,
573 unsigned int flags);
574asmlinkage long compat_sys_recv(int fd, void __user *buf, size_t len,
575 unsigned flags);
576asmlinkage long compat_sys_recvfrom(int fd, void __user *buf, size_t len,
577 unsigned flags, struct sockaddr __user *addr,
578 int __user *addrlen);
579asmlinkage long compat_sys_recvmmsg(int fd, struct compat_mmsghdr __user *mmsg,
580 unsigned vlen, unsigned int flags,
581 struct compat_timespec __user *timeout);
582asmlinkage long compat_sys_nanosleep(struct compat_timespec __user *rqtp,
583 struct compat_timespec __user *rmtp);
584asmlinkage long compat_sys_getitimer(int which,
585 struct compat_itimerval __user *it);
586asmlinkage long compat_sys_setitimer(int which,
587 struct compat_itimerval __user *in,
588 struct compat_itimerval __user *out);
589asmlinkage long compat_sys_times(struct compat_tms __user *tbuf);
590asmlinkage long compat_sys_setrlimit(unsigned int resource,
591 struct compat_rlimit __user *rlim);
592asmlinkage long compat_sys_getrlimit(unsigned int resource,
593 struct compat_rlimit __user *rlim);
594asmlinkage long compat_sys_getrusage(int who, struct compat_rusage __user *ru);
595asmlinkage long compat_sys_sched_setaffinity(compat_pid_t pid,
596 unsigned int len,
597 compat_ulong_t __user *user_mask_ptr);
598asmlinkage long compat_sys_sched_getaffinity(compat_pid_t pid,
599 unsigned int len,
600 compat_ulong_t __user *user_mask_ptr);
601asmlinkage long compat_sys_timer_create(clockid_t which_clock,
602 struct compat_sigevent __user *timer_event_spec,
603 timer_t __user *created_timer_id);
604asmlinkage long compat_sys_timer_settime(timer_t timer_id, int flags,
605 struct compat_itimerspec __user *new,
606 struct compat_itimerspec __user *old);
607asmlinkage long compat_sys_timer_gettime(timer_t timer_id,
608 struct compat_itimerspec __user *setting);
609asmlinkage long compat_sys_clock_settime(clockid_t which_clock,
610 struct compat_timespec __user *tp);
611asmlinkage long compat_sys_clock_gettime(clockid_t which_clock,
612 struct compat_timespec __user *tp);
613asmlinkage long compat_sys_clock_adjtime(clockid_t which_clock,
614 struct compat_timex __user *tp);
615asmlinkage long compat_sys_clock_getres(clockid_t which_clock,
616 struct compat_timespec __user *tp);
617asmlinkage long compat_sys_clock_nanosleep(clockid_t which_clock, int flags,
618 struct compat_timespec __user *rqtp,
619 struct compat_timespec __user *rmtp);
620asmlinkage long compat_sys_rt_sigtimedwait(compat_sigset_t __user *uthese,
621 struct compat_siginfo __user *uinfo,
622 struct compat_timespec __user *uts, compat_size_t sigsetsize);
623asmlinkage long compat_sys_rt_sigsuspend(compat_sigset_t __user *unewset,
624 compat_size_t sigsetsize);
625asmlinkage long compat_sys_rt_sigprocmask(int how, compat_sigset_t __user *set,
626 compat_sigset_t __user *oset,
627 compat_size_t sigsetsize);
628asmlinkage long compat_sys_rt_sigpending(compat_sigset_t __user *uset,
629 compat_size_t sigsetsize);
630#ifndef CONFIG_ODD_RT_SIGACTION
631asmlinkage long compat_sys_rt_sigaction(int,
632 const struct compat_sigaction __user *,
633 struct compat_sigaction __user *,
634 compat_size_t);
635#endif
636asmlinkage long compat_sys_rt_sigqueueinfo(compat_pid_t pid, int sig,
637 struct compat_siginfo __user *uinfo);
638asmlinkage long compat_sys_sysinfo(struct compat_sysinfo __user *info);
639asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd,
640 unsigned long arg);
641asmlinkage long compat_sys_futex(u32 __user *uaddr, int op, u32 val,
642 struct compat_timespec __user *utime, u32 __user *uaddr2,
643 u32 val3);
644asmlinkage long compat_sys_getsockopt(int fd, int level, int optname,
645 char __user *optval, int __user *optlen);
646asmlinkage long compat_sys_kexec_load(unsigned long entry,
647 unsigned long nr_segments,
648 struct compat_kexec_segment __user *,
649 unsigned long flags);
650asmlinkage long compat_sys_mq_getsetattr(mqd_t mqdes,
651 const struct compat_mq_attr __user *u_mqstat,
652 struct compat_mq_attr __user *u_omqstat);
653asmlinkage long compat_sys_mq_notify(mqd_t mqdes,
654 const struct compat_sigevent __user *u_notification);
655asmlinkage long compat_sys_mq_open(const char __user *u_name,
656 int oflag, compat_mode_t mode,
657 struct compat_mq_attr __user *u_attr);
658asmlinkage long compat_sys_mq_timedsend(mqd_t mqdes,
659 const char __user *u_msg_ptr,
660 size_t msg_len, unsigned int msg_prio,
661 const struct compat_timespec __user *u_abs_timeout);
662asmlinkage ssize_t compat_sys_mq_timedreceive(mqd_t mqdes,
663 char __user *u_msg_ptr,
664 size_t msg_len, unsigned int __user *u_msg_prio,
665 const struct compat_timespec __user *u_abs_timeout);
666asmlinkage long compat_sys_socketcall(int call, u32 __user *args);
667asmlinkage long compat_sys_sysctl(struct compat_sysctl_args __user *args);
668
669extern ssize_t compat_rw_copy_check_uvector(int type,
670 const struct compat_iovec __user *uvector,
671 unsigned long nr_segs,
672 unsigned long fast_segs, struct iovec *fast_pointer,
673 struct iovec **ret_pointer);
674
675extern void __user *compat_alloc_user_space(unsigned long len);
676
677asmlinkage ssize_t compat_sys_process_vm_readv(compat_pid_t pid,
678 const struct compat_iovec __user *lvec,
679 unsigned long liovcnt, const struct compat_iovec __user *rvec,
680 unsigned long riovcnt, unsigned long flags);
681asmlinkage ssize_t compat_sys_process_vm_writev(compat_pid_t pid,
682 const struct compat_iovec __user *lvec,
683 unsigned long liovcnt, const struct compat_iovec __user *rvec,
684 unsigned long riovcnt, unsigned long flags);
685
686asmlinkage long compat_sys_sendfile(int out_fd, int in_fd,
687 compat_off_t __user *offset, compat_size_t count);
688asmlinkage long compat_sys_sigaltstack(const compat_stack_t __user *uss_ptr,
689 compat_stack_t __user *uoss_ptr);
690
691int compat_restore_altstack(const compat_stack_t __user *uss);
692int __compat_save_altstack(compat_stack_t __user *, unsigned long);
693
694asmlinkage long compat_sys_sched_rr_get_interval(compat_pid_t pid,
695 struct compat_timespec __user *interval);
696
697#else
698
699#define is_compat_task() (0)
700
701#endif
702#endif
703
