Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1#ifndef _LINUX_COMPAT_H
2#define _LINUX_COMPAT_H
3/*
4 * These are the type definitions for the architecture specific
5 * syscall compatibility layer.
6 */
7
8#ifdef CONFIG_COMPAT
9
10#include <linux/stat.h>
11#include <linux/param.h> /* for HZ */
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> /* for aio_context_t */
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 COMPAT_SYSCALL_DEFINE1(name, ...) \
31 COMPAT_SYSCALL_DEFINEx(1, _##name, __VA_ARGS__)
32#define COMPAT_SYSCALL_DEFINE2(name, ...) \
33 COMPAT_SYSCALL_DEFINEx(2, _##name, __VA_ARGS__)
34#define COMPAT_SYSCALL_DEFINE3(name, ...) \
35 COMPAT_SYSCALL_DEFINEx(3, _##name, __VA_ARGS__)
36#define COMPAT_SYSCALL_DEFINE4(name, ...) \
37 COMPAT_SYSCALL_DEFINEx(4, _##name, __VA_ARGS__)
38#define COMPAT_SYSCALL_DEFINE5(name, ...) \
39 COMPAT_SYSCALL_DEFINEx(5, _##name, __VA_ARGS__)
40#define COMPAT_SYSCALL_DEFINE6(name, ...) \
41 COMPAT_SYSCALL_DEFINEx(6, _##name, __VA_ARGS__)
42
43#define COMPAT_SYSCALL_DEFINEx(x, name, ...) \
44 asmlinkage long compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));\
45 static inline long C_SYSC##name(__MAP(x,__SC_DECL,__VA_ARGS__));\
46 asmlinkage long compat_SyS##name(__MAP(x,__SC_LONG,__VA_ARGS__))\
47 { \
48 return C_SYSC##name(__MAP(x,__SC_DELOUSE,__VA_ARGS__)); \
49 } \
50 SYSCALL_ALIAS(compat_sys##name, compat_SyS##name); \
51 static inline long C_SYSC##name(__MAP(x,__SC_DECL,__VA_ARGS__))
52
53#ifndef compat_user_stack_pointer
54#define compat_user_stack_pointer() current_user_stack_pointer()
55#endif
56#ifndef compat_sigaltstack /* we'll need that for MIPS */
57typedef struct compat_sigaltstack {
58 compat_uptr_t ss_sp;
59 int ss_flags;
60 compat_size_t ss_size;
61} compat_stack_t;
62#endif
63
64#define compat_jiffies_to_clock_t(x) \
65 (((unsigned long)(x) * COMPAT_USER_HZ) / HZ)
66
67typedef __compat_uid32_t compat_uid_t;
68typedef __compat_gid32_t compat_gid_t;
69
70struct compat_sel_arg_struct;
71struct rusage;
72
73struct compat_itimerspec {
74 struct compat_timespec it_interval;
75 struct compat_timespec it_value;
76};
77
78struct compat_utimbuf {
79 compat_time_t actime;
80 compat_time_t modtime;
81};
82
83struct compat_itimerval {
84 struct compat_timeval it_interval;
85 struct compat_timeval it_value;
86};
87
88struct compat_tms {
89 compat_clock_t tms_utime;
90 compat_clock_t tms_stime;
91 compat_clock_t tms_cutime;
92 compat_clock_t tms_cstime;
93};
94
95struct compat_timex {
96 compat_uint_t modes;
97 compat_long_t offset;
98 compat_long_t freq;
99 compat_long_t maxerror;
100 compat_long_t esterror;
101 compat_int_t status;
102 compat_long_t constant;
103 compat_long_t precision;
104 compat_long_t tolerance;
105 struct compat_timeval time;
106 compat_long_t tick;
107 compat_long_t ppsfreq;
108 compat_long_t jitter;
109 compat_int_t shift;
110 compat_long_t stabil;
111 compat_long_t jitcnt;
112 compat_long_t calcnt;
113 compat_long_t errcnt;
114 compat_long_t stbcnt;
115 compat_int_t tai;
116
117 compat_int_t:32; compat_int_t:32; compat_int_t:32; compat_int_t:32;
118 compat_int_t:32; compat_int_t:32; compat_int_t:32; compat_int_t:32;
119 compat_int_t:32; compat_int_t:32; compat_int_t:32;
120};
121
122#define _COMPAT_NSIG_WORDS (_COMPAT_NSIG / _COMPAT_NSIG_BPW)
123
124typedef struct {
125 compat_sigset_word sig[_COMPAT_NSIG_WORDS];
126} compat_sigset_t;
127
128struct compat_sigaction {
129#ifndef __ARCH_HAS_IRIX_SIGACTION
130 compat_uptr_t sa_handler;
131 compat_ulong_t sa_flags;
132#else
133 compat_uint_t sa_flags;
134 compat_uptr_t sa_handler;
135#endif
136#ifdef __ARCH_HAS_SA_RESTORER
137 compat_uptr_t sa_restorer;
138#endif
139 compat_sigset_t sa_mask __packed;
140};
141
142/*
143 * These functions operate strictly on struct compat_time*
144 */
145extern int get_compat_timespec(struct timespec *,
146 const struct compat_timespec __user *);
147extern int put_compat_timespec(const struct timespec *,
148 struct compat_timespec __user *);
149extern int get_compat_timeval(struct timeval *,
150 const struct compat_timeval __user *);
151extern int put_compat_timeval(const struct timeval *,
152 struct compat_timeval __user *);
153/*
154 * These functions operate on 32- or 64-bit specs depending on
155 * COMPAT_USE_64BIT_TIME, hence the void user pointer arguments and the
156 * naming as compat_get/put_ rather than get/put_compat_.
157 */
158extern int compat_get_timespec(struct timespec *, const void __user *);
159extern int compat_put_timespec(const struct timespec *, void __user *);
160extern int compat_get_timeval(struct timeval *, const void __user *);
161extern int compat_put_timeval(const struct timeval *, void __user *);
162
163struct compat_iovec {
164 compat_uptr_t iov_base;
165 compat_size_t iov_len;
166};
167
168struct compat_rlimit {
169 compat_ulong_t rlim_cur;
170 compat_ulong_t rlim_max;
171};
172
173struct compat_rusage {
174 struct compat_timeval ru_utime;
175 struct compat_timeval ru_stime;
176 compat_long_t ru_maxrss;
177 compat_long_t ru_ixrss;
178 compat_long_t ru_idrss;
179 compat_long_t ru_isrss;
180 compat_long_t ru_minflt;
181 compat_long_t ru_majflt;
182 compat_long_t ru_nswap;
183 compat_long_t ru_inblock;
184 compat_long_t ru_oublock;
185 compat_long_t ru_msgsnd;
186 compat_long_t ru_msgrcv;
187 compat_long_t ru_nsignals;
188 compat_long_t ru_nvcsw;
189 compat_long_t ru_nivcsw;
190};
191
192extern int put_compat_rusage(const struct rusage *,
193 struct compat_rusage __user *);
194
195struct compat_siginfo;
196
197extern asmlinkage long compat_sys_waitid(int, compat_pid_t,
198 struct compat_siginfo __user *, int,
199 struct compat_rusage __user *);
200
201struct compat_dirent {
202 u32 d_ino;
203 compat_off_t d_off;
204 u16 d_reclen;
205 char d_name[256];
206};
207
208struct compat_ustat {
209 compat_daddr_t f_tfree;
210 compat_ino_t f_tinode;
211 char f_fname[6];
212 char f_fpack[6];
213};
214
215#define COMPAT_SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE/sizeof(int)) - 3)
216
217typedef struct compat_sigevent {
218 compat_sigval_t sigev_value;
219 compat_int_t sigev_signo;
220 compat_int_t sigev_notify;
221 union {
222 compat_int_t _pad[COMPAT_SIGEV_PAD_SIZE];
223 compat_int_t _tid;
224
225 struct {
226 compat_uptr_t _function;
227 compat_uptr_t _attribute;
228 } _sigev_thread;
229 } _sigev_un;
230} compat_sigevent_t;
231
232struct compat_ifmap {
233 compat_ulong_t mem_start;
234 compat_ulong_t mem_end;
235 unsigned short base_addr;
236 unsigned char irq;
237 unsigned char dma;
238 unsigned char port;
239};
240
241struct compat_if_settings {
242 unsigned int type; /* Type of physical device or protocol */
243 unsigned int size; /* Size of the data allocated by the caller */
244 compat_uptr_t ifs_ifsu; /* union of pointers */
245};
246
247struct compat_ifreq {
248 union {
249 char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */
250 } ifr_ifrn;
251 union {
252 struct sockaddr ifru_addr;
253 struct sockaddr ifru_dstaddr;
254 struct sockaddr ifru_broadaddr;
255 struct sockaddr ifru_netmask;
256 struct sockaddr ifru_hwaddr;
257 short ifru_flags;
258 compat_int_t ifru_ivalue;
259 compat_int_t ifru_mtu;
260 struct compat_ifmap ifru_map;
261 char ifru_slave[IFNAMSIZ]; /* Just fits the size */
262 char ifru_newname[IFNAMSIZ];
263 compat_caddr_t ifru_data;
264 struct compat_if_settings ifru_settings;
265 } ifr_ifru;
266};
267
268struct compat_ifconf {
269 compat_int_t ifc_len; /* size of buffer */
270 compat_caddr_t ifcbuf;
271};
272
273struct compat_robust_list {
274 compat_uptr_t next;
275};
276
277struct compat_robust_list_head {
278 struct compat_robust_list list;
279 compat_long_t futex_offset;
280 compat_uptr_t list_op_pending;
281};
282
283#ifdef CONFIG_COMPAT_OLD_SIGACTION
284struct compat_old_sigaction {
285 compat_uptr_t sa_handler;
286 compat_old_sigset_t sa_mask;
287 compat_ulong_t sa_flags;
288 compat_uptr_t sa_restorer;
289};
290#endif
291
292struct compat_statfs;
293struct compat_statfs64;
294struct compat_old_linux_dirent;
295struct compat_linux_dirent;
296struct linux_dirent64;
297struct compat_msghdr;
298struct compat_mmsghdr;
299struct compat_sysinfo;
300struct compat_sysctl_args;
301struct compat_kexec_segment;
302struct compat_mq_attr;
303struct compat_msgbuf;
304
305extern void compat_exit_robust_list(struct task_struct *curr);
306
307asmlinkage long
308compat_sys_set_robust_list(struct compat_robust_list_head __user *head,
309 compat_size_t len);
310asmlinkage long
311compat_sys_get_robust_list(int pid, compat_uptr_t __user *head_ptr,
312 compat_size_t __user *len_ptr);
313
314asmlinkage long compat_sys_ipc(u32, int, int, u32, compat_uptr_t, u32);
315asmlinkage long compat_sys_shmat(int shmid, compat_uptr_t shmaddr, int shmflg);
316asmlinkage long compat_sys_semctl(int semid, int semnum, int cmd, int arg);
317asmlinkage long compat_sys_msgsnd(int msqid, compat_uptr_t msgp,
318 compat_ssize_t msgsz, int msgflg);
319asmlinkage long compat_sys_msgrcv(int msqid, compat_uptr_t msgp,
320 compat_ssize_t msgsz, long msgtyp, int msgflg);
321long compat_sys_msgctl(int first, int second, void __user *uptr);
322long compat_sys_shmctl(int first, int second, void __user *uptr);
323long compat_sys_semtimedop(int semid, struct sembuf __user *tsems,
324 unsigned nsems, const struct compat_timespec __user *timeout);
325asmlinkage long compat_sys_keyctl(u32 option,
326 u32 arg2, u32 arg3, u32 arg4, u32 arg5);
327asmlinkage long compat_sys_ustat(unsigned dev, struct compat_ustat __user *u32);
328
329asmlinkage ssize_t compat_sys_readv(unsigned long fd,
330 const struct compat_iovec __user *vec, unsigned long vlen);
331asmlinkage ssize_t compat_sys_writev(unsigned long fd,
332 const struct compat_iovec __user *vec, unsigned long vlen);
333asmlinkage ssize_t compat_sys_preadv(unsigned long fd,
334 const struct compat_iovec __user *vec,
335 unsigned long vlen, u32 pos_low, u32 pos_high);
336asmlinkage ssize_t compat_sys_pwritev(unsigned long fd,
337 const struct compat_iovec __user *vec,
338 unsigned long vlen, u32 pos_low, u32 pos_high);
339asmlinkage long comat_sys_lseek(unsigned int, compat_off_t, unsigned int);
340
341asmlinkage long compat_sys_execve(const char __user *filename, const compat_uptr_t __user *argv,
342 const compat_uptr_t __user *envp);
343
344asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp,
345 compat_ulong_t __user *outp, compat_ulong_t __user *exp,
346 struct compat_timeval __user *tvp);
347
348asmlinkage long compat_sys_old_select(struct compat_sel_arg_struct __user *arg);
349
350asmlinkage long compat_sys_wait4(compat_pid_t pid,
351 compat_uint_t __user *stat_addr, int options,
352 struct compat_rusage __user *ru);
353
354#define BITS_PER_COMPAT_LONG (8*sizeof(compat_long_t))
355
356#define BITS_TO_COMPAT_LONGS(bits) \
357 (((bits)+BITS_PER_COMPAT_LONG-1)/BITS_PER_COMPAT_LONG)
358
359long compat_get_bitmap(unsigned long *mask, const compat_ulong_t __user *umask,
360 unsigned long bitmap_size);
361long compat_put_bitmap(compat_ulong_t __user *umask, unsigned long *mask,
362 unsigned long bitmap_size);
363int copy_siginfo_from_user32(siginfo_t *to, struct compat_siginfo __user *from);
364int copy_siginfo_to_user32(struct compat_siginfo __user *to, siginfo_t *from);
365int get_compat_sigevent(struct sigevent *event,
366 const struct compat_sigevent __user *u_event);
367long compat_sys_rt_tgsigqueueinfo(compat_pid_t tgid, compat_pid_t pid, int sig,
368 struct compat_siginfo __user *uinfo);
369#ifdef CONFIG_COMPAT_OLD_SIGACTION
370asmlinkage long compat_sys_sigaction(int sig,
371 const struct compat_old_sigaction __user *act,
372 struct compat_old_sigaction __user *oact);
373#endif
374
375static inline int compat_timeval_compare(struct compat_timeval *lhs,
376 struct compat_timeval *rhs)
377{
378 if (lhs->tv_sec < rhs->tv_sec)
379 return -1;
380 if (lhs->tv_sec > rhs->tv_sec)
381 return 1;
382 return lhs->tv_usec - rhs->tv_usec;
383}
384
385static inline int compat_timespec_compare(struct compat_timespec *lhs,
386 struct compat_timespec *rhs)
387{
388 if (lhs->tv_sec < rhs->tv_sec)
389 return -1;
390 if (lhs->tv_sec > rhs->tv_sec)
391 return 1;
392 return lhs->tv_nsec - rhs->tv_nsec;
393}
394
395extern int get_compat_itimerspec(struct itimerspec *dst,
396 const struct compat_itimerspec __user *src);
397extern int put_compat_itimerspec(struct compat_itimerspec __user *dst,
398 const struct itimerspec *src);
399
400asmlinkage long compat_sys_gettimeofday(struct compat_timeval __user *tv,
401 struct timezone __user *tz);
402asmlinkage long compat_sys_settimeofday(struct compat_timeval __user *tv,
403 struct timezone __user *tz);
404
405asmlinkage long compat_sys_adjtimex(struct compat_timex __user *utp);
406
407extern int compat_printk(const char *fmt, ...);
408extern void sigset_from_compat(sigset_t *set, const compat_sigset_t *compat);
409extern void sigset_to_compat(compat_sigset_t *compat, const sigset_t *set);
410
411asmlinkage long compat_sys_migrate_pages(compat_pid_t pid,
412 compat_ulong_t maxnode, const compat_ulong_t __user *old_nodes,
413 const compat_ulong_t __user *new_nodes);
414
415extern int compat_ptrace_request(struct task_struct *child,
416 compat_long_t request,
417 compat_ulong_t addr, compat_ulong_t data);
418
419extern long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
420 compat_ulong_t addr, compat_ulong_t data);
421asmlinkage long compat_sys_ptrace(compat_long_t request, compat_long_t pid,
422 compat_long_t addr, compat_long_t data);
423
424asmlinkage long compat_sys_lookup_dcookie(u32, u32, char __user *, size_t);
425/*
426 * epoll (fs/eventpoll.c) compat bits follow ...
427 */
428struct epoll_event; /* fortunately, this one is fixed-layout */
429asmlinkage long compat_sys_epoll_pwait(int epfd,
430 struct epoll_event __user *events,
431 int maxevents, int timeout,
432 const compat_sigset_t __user *sigmask,
433 compat_size_t sigsetsize);
434
435asmlinkage long compat_sys_utime(const char __user *filename,
436 struct compat_utimbuf __user *t);
437asmlinkage long compat_sys_utimensat(unsigned int dfd,
438 const char __user *filename,
439 struct compat_timespec __user *t,
440 int flags);
441
442asmlinkage long compat_sys_time(compat_time_t __user *tloc);
443asmlinkage long compat_sys_stime(compat_time_t __user *tptr);
444asmlinkage long compat_sys_signalfd(int ufd,
445 const compat_sigset_t __user *sigmask,
446 compat_size_t sigsetsize);
447asmlinkage long compat_sys_timerfd_settime(int ufd, int flags,
448 const struct compat_itimerspec __user *utmr,
449 struct compat_itimerspec __user *otmr);
450asmlinkage long compat_sys_timerfd_gettime(int ufd,
451 struct compat_itimerspec __user *otmr);
452
453asmlinkage long compat_sys_move_pages(pid_t pid, unsigned long nr_page,
454 __u32 __user *pages,
455 const int __user *nodes,
456 int __user *status,
457 int flags);
458asmlinkage long compat_sys_futimesat(unsigned int dfd,
459 const char __user *filename,
460 struct compat_timeval __user *t);
461asmlinkage long compat_sys_utimes(const char __user *filename,
462 struct compat_timeval __user *t);
463asmlinkage long compat_sys_newstat(const char __user *filename,
464 struct compat_stat __user *statbuf);
465asmlinkage long compat_sys_newlstat(const char __user *filename,
466 struct compat_stat __user *statbuf);
467asmlinkage long compat_sys_newfstatat(unsigned int dfd,
468 const char __user *filename,
469 struct compat_stat __user *statbuf,
470 int flag);
471asmlinkage long compat_sys_newfstat(unsigned int fd,
472 struct compat_stat __user *statbuf);
473asmlinkage long compat_sys_statfs(const char __user *pathname,
474 struct compat_statfs __user *buf);
475asmlinkage long compat_sys_fstatfs(unsigned int fd,
476 struct compat_statfs __user *buf);
477asmlinkage long compat_sys_statfs64(const char __user *pathname,
478 compat_size_t sz,
479 struct compat_statfs64 __user *buf);
480asmlinkage long compat_sys_fstatfs64(unsigned int fd, compat_size_t sz,
481 struct compat_statfs64 __user *buf);
482asmlinkage long compat_sys_fcntl64(unsigned int fd, unsigned int cmd,
483 unsigned long arg);
484asmlinkage long compat_sys_fcntl(unsigned int fd, unsigned int cmd,
485 unsigned long arg);
486asmlinkage long compat_sys_io_setup(unsigned nr_reqs, u32 __user *ctx32p);
487asmlinkage long compat_sys_io_getevents(aio_context_t ctx_id,
488 unsigned long min_nr,
489 unsigned long nr,
490 struct io_event __user *events,
491 struct compat_timespec __user *timeout);
492asmlinkage long compat_sys_io_submit(aio_context_t ctx_id, int nr,
493 u32 __user *iocb);
494asmlinkage long compat_sys_mount(const char __user *dev_name,
495 const char __user *dir_name,
496 const char __user *type, unsigned long flags,
497 const void __user *data);
498asmlinkage long compat_sys_old_readdir(unsigned int fd,
499 struct compat_old_linux_dirent __user *,
500 unsigned int count);
501asmlinkage long compat_sys_getdents(unsigned int fd,
502 struct compat_linux_dirent __user *dirent,
503 unsigned int count);
504asmlinkage long compat_sys_getdents64(unsigned int fd,
505 struct linux_dirent64 __user *dirent,
506 unsigned int count);
507asmlinkage long compat_sys_vmsplice(int fd, const struct compat_iovec __user *,
508 unsigned int nr_segs, unsigned int flags);
509asmlinkage long compat_sys_open(const char __user *filename, int flags,
510 umode_t mode);
511asmlinkage long compat_sys_openat(int dfd, const char __user *filename,
512 int flags, umode_t mode);
513asmlinkage long compat_sys_open_by_handle_at(int mountdirfd,
514 struct file_handle __user *handle,
515 int flags);
516asmlinkage long compat_sys_truncate(const char __user *, compat_off_t);
517asmlinkage long compat_sys_ftruncate(unsigned int, compat_ulong_t);
518asmlinkage long compat_sys_pselect6(int n, compat_ulong_t __user *inp,
519 compat_ulong_t __user *outp,
520 compat_ulong_t __user *exp,
521 struct compat_timespec __user *tsp,
522 void __user *sig);
523asmlinkage long compat_sys_ppoll(struct pollfd __user *ufds,
524 unsigned int nfds,
525 struct compat_timespec __user *tsp,
526 const compat_sigset_t __user *sigmask,
527 compat_size_t sigsetsize);
528asmlinkage long compat_sys_signalfd4(int ufd,
529 const compat_sigset_t __user *sigmask,
530 compat_size_t sigsetsize, int flags);
531asmlinkage long compat_sys_get_mempolicy(int __user *policy,
532 compat_ulong_t __user *nmask,
533 compat_ulong_t maxnode,
534 compat_ulong_t addr,
535 compat_ulong_t flags);
536asmlinkage long compat_sys_set_mempolicy(int mode, compat_ulong_t __user *nmask,
537 compat_ulong_t maxnode);
538asmlinkage long compat_sys_mbind(compat_ulong_t start, compat_ulong_t len,
539 compat_ulong_t mode,
540 compat_ulong_t __user *nmask,
541 compat_ulong_t maxnode, compat_ulong_t flags);
542
543asmlinkage long compat_sys_setsockopt(int fd, int level, int optname,
544 char __user *optval, unsigned int optlen);
545asmlinkage long compat_sys_sendmsg(int fd, struct compat_msghdr __user *msg,
546 unsigned flags);
547asmlinkage long compat_sys_sendmmsg(int fd, struct compat_mmsghdr __user *mmsg,
548 unsigned vlen, unsigned int flags);
549asmlinkage long compat_sys_recvmsg(int fd, struct compat_msghdr __user *msg,
550 unsigned int flags);
551asmlinkage long compat_sys_recv(int fd, void __user *buf, size_t len,
552 unsigned flags);
553asmlinkage long compat_sys_recvfrom(int fd, void __user *buf, size_t len,
554 unsigned flags, struct sockaddr __user *addr,
555 int __user *addrlen);
556asmlinkage long compat_sys_recvmmsg(int fd, struct compat_mmsghdr __user *mmsg,
557 unsigned vlen, unsigned int flags,
558 struct compat_timespec __user *timeout);
559asmlinkage long compat_sys_nanosleep(struct compat_timespec __user *rqtp,
560 struct compat_timespec __user *rmtp);
561asmlinkage long compat_sys_getitimer(int which,
562 struct compat_itimerval __user *it);
563asmlinkage long compat_sys_setitimer(int which,
564 struct compat_itimerval __user *in,
565 struct compat_itimerval __user *out);
566asmlinkage long compat_sys_times(struct compat_tms __user *tbuf);
567asmlinkage long compat_sys_setrlimit(unsigned int resource,
568 struct compat_rlimit __user *rlim);
569asmlinkage long compat_sys_getrlimit(unsigned int resource,
570 struct compat_rlimit __user *rlim);
571asmlinkage long compat_sys_getrusage(int who, struct compat_rusage __user *ru);
572asmlinkage long compat_sys_sched_setaffinity(compat_pid_t pid,
573 unsigned int len,
574 compat_ulong_t __user *user_mask_ptr);
575asmlinkage long compat_sys_sched_getaffinity(compat_pid_t pid,
576 unsigned int len,
577 compat_ulong_t __user *user_mask_ptr);
578asmlinkage long compat_sys_timer_create(clockid_t which_clock,
579 struct compat_sigevent __user *timer_event_spec,
580 timer_t __user *created_timer_id);
581asmlinkage long compat_sys_timer_settime(timer_t timer_id, int flags,
582 struct compat_itimerspec __user *new,
583 struct compat_itimerspec __user *old);
584asmlinkage long compat_sys_timer_gettime(timer_t timer_id,
585 struct compat_itimerspec __user *setting);
586asmlinkage long compat_sys_clock_settime(clockid_t which_clock,
587 struct compat_timespec __user *tp);
588asmlinkage long compat_sys_clock_gettime(clockid_t which_clock,
589 struct compat_timespec __user *tp);
590asmlinkage long compat_sys_clock_adjtime(clockid_t which_clock,
591 struct compat_timex __user *tp);
592asmlinkage long compat_sys_clock_getres(clockid_t which_clock,
593 struct compat_timespec __user *tp);
594asmlinkage long compat_sys_clock_nanosleep(clockid_t which_clock, int flags,
595 struct compat_timespec __user *rqtp,
596 struct compat_timespec __user *rmtp);
597asmlinkage long compat_sys_rt_sigtimedwait(compat_sigset_t __user *uthese,
598 struct compat_siginfo __user *uinfo,
599 struct compat_timespec __user *uts, compat_size_t sigsetsize);
600asmlinkage long compat_sys_rt_sigsuspend(compat_sigset_t __user *unewset,
601 compat_size_t sigsetsize);
602asmlinkage long compat_sys_rt_sigprocmask(int how, compat_sigset_t __user *set,
603 compat_sigset_t __user *oset,
604 compat_size_t sigsetsize);
605asmlinkage long compat_sys_rt_sigpending(compat_sigset_t __user *uset,
606 compat_size_t sigsetsize);
607#ifndef CONFIG_ODD_RT_SIGACTION
608asmlinkage long compat_sys_rt_sigaction(int,
609 const struct compat_sigaction __user *,
610 struct compat_sigaction __user *,
611 compat_size_t);
612#endif
613asmlinkage long compat_sys_rt_sigqueueinfo(compat_pid_t pid, int sig,
614 struct compat_siginfo __user *uinfo);
615asmlinkage long compat_sys_sysinfo(struct compat_sysinfo __user *info);
616asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd,
617 unsigned long arg);
618asmlinkage long compat_sys_futex(u32 __user *uaddr, int op, u32 val,
619 struct compat_timespec __user *utime, u32 __user *uaddr2,
620 u32 val3);
621asmlinkage long compat_sys_getsockopt(int fd, int level, int optname,
622 char __user *optval, int __user *optlen);
623asmlinkage long compat_sys_kexec_load(unsigned long entry,
624 unsigned long nr_segments,
625 struct compat_kexec_segment __user *,
626 unsigned long flags);
627asmlinkage long compat_sys_mq_getsetattr(mqd_t mqdes,
628 const struct compat_mq_attr __user *u_mqstat,
629 struct compat_mq_attr __user *u_omqstat);
630asmlinkage long compat_sys_mq_notify(mqd_t mqdes,
631 const struct compat_sigevent __user *u_notification);
632asmlinkage long compat_sys_mq_open(const char __user *u_name,
633 int oflag, compat_mode_t mode,
634 struct compat_mq_attr __user *u_attr);
635asmlinkage long compat_sys_mq_timedsend(mqd_t mqdes,
636 const char __user *u_msg_ptr,
637 size_t msg_len, unsigned int msg_prio,
638 const struct compat_timespec __user *u_abs_timeout);
639asmlinkage ssize_t compat_sys_mq_timedreceive(mqd_t mqdes,
640 char __user *u_msg_ptr,
641 size_t msg_len, unsigned int __user *u_msg_prio,
642 const struct compat_timespec __user *u_abs_timeout);
643asmlinkage long compat_sys_socketcall(int call, u32 __user *args);
644asmlinkage long compat_sys_sysctl(struct compat_sysctl_args __user *args);
645
646extern ssize_t compat_rw_copy_check_uvector(int type,
647 const struct compat_iovec __user *uvector,
648 unsigned long nr_segs,
649 unsigned long fast_segs, struct iovec *fast_pointer,
650 struct iovec **ret_pointer);
651
652extern void __user *compat_alloc_user_space(unsigned long len);
653
654asmlinkage ssize_t compat_sys_process_vm_readv(compat_pid_t pid,
655 const struct compat_iovec __user *lvec,
656 unsigned long liovcnt, const struct compat_iovec __user *rvec,
657 unsigned long riovcnt, unsigned long flags);
658asmlinkage ssize_t compat_sys_process_vm_writev(compat_pid_t pid,
659 const struct compat_iovec __user *lvec,
660 unsigned long liovcnt, const struct compat_iovec __user *rvec,
661 unsigned long riovcnt, unsigned long flags);
662
663asmlinkage long compat_sys_sendfile(int out_fd, int in_fd,
664 compat_off_t __user *offset, compat_size_t count);
665asmlinkage long compat_sys_sendfile64(int out_fd, int in_fd,
666 compat_loff_t __user *offset, compat_size_t count);
667asmlinkage long compat_sys_sigaltstack(const compat_stack_t __user *uss_ptr,
668 compat_stack_t __user *uoss_ptr);
669
670int compat_restore_altstack(const compat_stack_t __user *uss);
671int __compat_save_altstack(compat_stack_t __user *, unsigned long);
672
673asmlinkage long compat_sys_sched_rr_get_interval(compat_pid_t pid,
674 struct compat_timespec __user *interval);
675
676asmlinkage long compat_sys_fanotify_mark(int, unsigned int, __u32, __u32,
677 int, const char __user *);
678#else
679
680#define is_compat_task() (0)
681
682#endif /* CONFIG_COMPAT */
683#endif /* _LINUX_COMPAT_H */