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