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#include <linux/unistd.h>
18
19#include <asm/compat.h>
20#include <asm/siginfo.h>
21#include <asm/signal.h>
22
23#ifndef COMPAT_USE_64BIT_TIME
24#define COMPAT_USE_64BIT_TIME 0
25#endif
26
27#ifndef __SC_DELOUSE
28#define __SC_DELOUSE(t,v) ((t)(unsigned long)(v))
29#endif
30
31#define COMPAT_SYSCALL_DEFINE0(name) \
32 asmlinkage long compat_sys_##name(void)
33
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__)
46
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__))\
53 { \
54 return C_SYSC##name(__MAP(x,__SC_DELOUSE,__VA_ARGS__)); \
55 } \
56 static inline long C_SYSC##name(__MAP(x,__SC_DECL,__VA_ARGS__))
57
58#ifndef compat_user_stack_pointer
59#define compat_user_stack_pointer() current_user_stack_pointer()
60#endif
61#ifndef compat_sigaltstack
62typedef struct compat_sigaltstack {
63 compat_uptr_t ss_sp;
64 int ss_flags;
65 compat_size_t ss_size;
66} compat_stack_t;
67#endif
68
69#define compat_jiffies_to_clock_t(x) \
70 (((unsigned long)(x) * COMPAT_USER_HZ) / HZ)
71
72typedef __compat_uid32_t compat_uid_t;
73typedef __compat_gid32_t compat_gid_t;
74
75typedef compat_ulong_t compat_aio_context_t;
76
77struct compat_sel_arg_struct;
78struct rusage;
79
80struct compat_itimerspec {
81 struct compat_timespec it_interval;
82 struct compat_timespec it_value;
83};
84
85struct compat_utimbuf {
86 compat_time_t actime;
87 compat_time_t modtime;
88};
89
90struct compat_itimerval {
91 struct compat_timeval it_interval;
92 struct compat_timeval it_value;
93};
94
95struct compat_tms {
96 compat_clock_t tms_utime;
97 compat_clock_t tms_stime;
98 compat_clock_t tms_cutime;
99 compat_clock_t tms_cstime;
100};
101
102struct compat_timex {
103 compat_uint_t modes;
104 compat_long_t offset;
105 compat_long_t freq;
106 compat_long_t maxerror;
107 compat_long_t esterror;
108 compat_int_t status;
109 compat_long_t constant;
110 compat_long_t precision;
111 compat_long_t tolerance;
112 struct compat_timeval time;
113 compat_long_t tick;
114 compat_long_t ppsfreq;
115 compat_long_t jitter;
116 compat_int_t shift;
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;
122 compat_int_t tai;
123
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;
127};
128
129#define _COMPAT_NSIG_WORDS (_COMPAT_NSIG / _COMPAT_NSIG_BPW)
130
131typedef struct {
132 compat_sigset_word sig[_COMPAT_NSIG_WORDS];
133} compat_sigset_t;
134
135struct compat_sigaction {
136#ifndef __ARCH_HAS_IRIX_SIGACTION
137 compat_uptr_t sa_handler;
138 compat_ulong_t sa_flags;
139#else
140 compat_uint_t sa_flags;
141 compat_uptr_t sa_handler;
142#endif
143#ifdef __ARCH_HAS_SA_RESTORER
144 compat_uptr_t sa_restorer;
145#endif
146 compat_sigset_t sa_mask __packed;
147};
148
149
150
151
152
153extern int compat_get_timespec(struct timespec *, const void __user *);
154extern int compat_put_timespec(const struct timespec *, void __user *);
155extern int compat_get_timeval(struct timeval *, const void __user *);
156extern int compat_put_timeval(const struct timeval *, void __user *);
157
158
159
160
161
162
163
164extern int compat_convert_timespec(struct timespec __user **,
165 const void __user *);
166
167struct compat_iovec {
168 compat_uptr_t iov_base;
169 compat_size_t iov_len;
170};
171
172struct compat_rlimit {
173 compat_ulong_t rlim_cur;
174 compat_ulong_t rlim_max;
175};
176
177struct 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;
194};
195
196extern int put_compat_rusage(const struct rusage *,
197 struct compat_rusage __user *);
198
199struct compat_siginfo;
200
201extern asmlinkage long compat_sys_waitid(int, compat_pid_t,
202 struct compat_siginfo __user *, int,
203 struct compat_rusage __user *);
204
205struct compat_dirent {
206 u32 d_ino;
207 compat_off_t d_off;
208 u16 d_reclen;
209 char d_name[256];
210};
211
212struct compat_ustat {
213 compat_daddr_t f_tfree;
214 compat_ino_t f_tinode;
215 char f_fname[6];
216 char f_fpack[6];
217};
218
219#define COMPAT_SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE/sizeof(int)) - 3)
220
221typedef struct compat_sigevent {
222 compat_sigval_t sigev_value;
223 compat_int_t sigev_signo;
224 compat_int_t sigev_notify;
225 union {
226 compat_int_t _pad[COMPAT_SIGEV_PAD_SIZE];
227 compat_int_t _tid;
228
229 struct {
230 compat_uptr_t _function;
231 compat_uptr_t _attribute;
232 } _sigev_thread;
233 } _sigev_un;
234} compat_sigevent_t;
235
236struct compat_ifmap {
237 compat_ulong_t mem_start;
238 compat_ulong_t mem_end;
239 unsigned short base_addr;
240 unsigned char irq;
241 unsigned char dma;
242 unsigned char port;
243};
244
245struct compat_if_settings {
246 unsigned int type;
247 unsigned int size;
248 compat_uptr_t ifs_ifsu;
249};
250
251struct compat_ifreq {
252 union {
253 char ifrn_name[IFNAMSIZ];
254 } ifr_ifrn;
255 union {
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;
261 short ifru_flags;
262 compat_int_t ifru_ivalue;
263 compat_int_t ifru_mtu;
264 struct compat_ifmap ifru_map;
265 char ifru_slave[IFNAMSIZ];
266 char ifru_newname[IFNAMSIZ];
267 compat_caddr_t ifru_data;
268 struct compat_if_settings ifru_settings;
269 } ifr_ifru;
270};
271
272struct compat_ifconf {
273 compat_int_t ifc_len;
274 compat_caddr_t ifcbuf;
275};
276
277struct compat_robust_list {
278 compat_uptr_t next;
279};
280
281struct compat_robust_list_head {
282 struct compat_robust_list list;
283 compat_long_t futex_offset;
284 compat_uptr_t list_op_pending;
285};
286
287#ifdef CONFIG_COMPAT_OLD_SIGACTION
288struct 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;
293};
294#endif
295
296struct compat_statfs;
297struct compat_statfs64;
298struct compat_old_linux_dirent;
299struct compat_linux_dirent;
300struct linux_dirent64;
301struct compat_msghdr;
302struct compat_mmsghdr;
303struct compat_sysinfo;
304struct compat_sysctl_args;
305struct compat_kexec_segment;
306struct compat_mq_attr;
307struct compat_msgbuf;
308
309extern void compat_exit_robust_list(struct task_struct *curr);
310
311asmlinkage long
312compat_sys_set_robust_list(struct compat_robust_list_head __user *head,
313 compat_size_t len);
314asmlinkage long
315compat_sys_get_robust_list(int pid, compat_uptr_t __user *head_ptr,
316 compat_size_t __user *len_ptr);
317
318asmlinkage long compat_sys_ipc(u32, int, int, u32, compat_uptr_t, u32);
319asmlinkage long compat_sys_shmat(int shmid, compat_uptr_t shmaddr, int shmflg);
320asmlinkage long compat_sys_semctl(int semid, int semnum, int cmd, int arg);
321asmlinkage long compat_sys_msgsnd(int msqid, compat_uptr_t msgp,
322 compat_ssize_t msgsz, int msgflg);
323asmlinkage long compat_sys_msgrcv(int msqid, compat_uptr_t msgp,
324 compat_ssize_t msgsz, compat_long_t msgtyp, int msgflg);
325long compat_sys_msgctl(int first, int second, void __user *uptr);
326long compat_sys_shmctl(int first, int second, void __user *uptr);
327long compat_sys_semtimedop(int semid, struct sembuf __user *tsems,
328 unsigned nsems, const struct compat_timespec __user *timeout);
329asmlinkage long compat_sys_keyctl(u32 option,
330 u32 arg2, u32 arg3, u32 arg4, u32 arg5);
331asmlinkage long compat_sys_ustat(unsigned dev, struct compat_ustat __user *u32);
332
333asmlinkage ssize_t compat_sys_readv(compat_ulong_t fd,
334 const struct compat_iovec __user *vec, compat_ulong_t vlen);
335asmlinkage ssize_t compat_sys_writev(compat_ulong_t fd,
336 const struct compat_iovec __user *vec, compat_ulong_t vlen);
337asmlinkage ssize_t compat_sys_preadv(compat_ulong_t fd,
338 const struct compat_iovec __user *vec,
339 compat_ulong_t vlen, u32 pos_low, u32 pos_high);
340asmlinkage ssize_t compat_sys_pwritev(compat_ulong_t fd,
341 const struct compat_iovec __user *vec,
342 compat_ulong_t vlen, u32 pos_low, u32 pos_high);
343
344#ifdef __ARCH_WANT_COMPAT_SYS_PREADV64
345asmlinkage long compat_sys_preadv64(unsigned long fd,
346 const struct compat_iovec __user *vec,
347 unsigned long vlen, loff_t pos);
348#endif
349
350#ifdef __ARCH_WANT_COMPAT_SYS_PWRITEV64
351asmlinkage long compat_sys_pwritev64(unsigned long fd,
352 const struct compat_iovec __user *vec,
353 unsigned long vlen, loff_t pos);
354#endif
355
356asmlinkage long compat_sys_lseek(unsigned int, compat_off_t, unsigned int);
357
358asmlinkage long compat_sys_execve(const char __user *filename, const compat_uptr_t __user *argv,
359 const compat_uptr_t __user *envp);
360asmlinkage long compat_sys_execveat(int dfd, const char __user *filename,
361 const compat_uptr_t __user *argv,
362 const compat_uptr_t __user *envp, int flags);
363
364asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp,
365 compat_ulong_t __user *outp, compat_ulong_t __user *exp,
366 struct compat_timeval __user *tvp);
367
368asmlinkage long compat_sys_old_select(struct compat_sel_arg_struct __user *arg);
369
370asmlinkage long compat_sys_wait4(compat_pid_t pid,
371 compat_uint_t __user *stat_addr, int options,
372 struct compat_rusage __user *ru);
373
374#define BITS_PER_COMPAT_LONG (8*sizeof(compat_long_t))
375
376#define BITS_TO_COMPAT_LONGS(bits) \
377 (((bits)+BITS_PER_COMPAT_LONG-1)/BITS_PER_COMPAT_LONG)
378
379long compat_get_bitmap(unsigned long *mask, const compat_ulong_t __user *umask,
380 unsigned long bitmap_size);
381long compat_put_bitmap(compat_ulong_t __user *umask, unsigned long *mask,
382 unsigned long bitmap_size);
383int copy_siginfo_from_user32(siginfo_t *to, struct compat_siginfo __user *from);
384int copy_siginfo_to_user32(struct compat_siginfo __user *to, const siginfo_t *from);
385int get_compat_sigevent(struct sigevent *event,
386 const struct compat_sigevent __user *u_event);
387long compat_sys_rt_tgsigqueueinfo(compat_pid_t tgid, compat_pid_t pid, int sig,
388 struct compat_siginfo __user *uinfo);
389#ifdef CONFIG_COMPAT_OLD_SIGACTION
390asmlinkage long compat_sys_sigaction(int sig,
391 const struct compat_old_sigaction __user *act,
392 struct compat_old_sigaction __user *oact);
393#endif
394
395static inline int compat_timeval_compare(struct compat_timeval *lhs,
396 struct compat_timeval *rhs)
397{
398 if (lhs->tv_sec < rhs->tv_sec)
399 return -1;
400 if (lhs->tv_sec > rhs->tv_sec)
401 return 1;
402 return lhs->tv_usec - rhs->tv_usec;
403}
404
405static inline int compat_timespec_compare(struct compat_timespec *lhs,
406 struct compat_timespec *rhs)
407{
408 if (lhs->tv_sec < rhs->tv_sec)
409 return -1;
410 if (lhs->tv_sec > rhs->tv_sec)
411 return 1;
412 return lhs->tv_nsec - rhs->tv_nsec;
413}
414
415extern int get_compat_itimerspec(struct itimerspec *dst,
416 const struct compat_itimerspec __user *src);
417extern int put_compat_itimerspec(struct compat_itimerspec __user *dst,
418 const struct itimerspec *src);
419
420asmlinkage long compat_sys_gettimeofday(struct compat_timeval __user *tv,
421 struct timezone __user *tz);
422asmlinkage long compat_sys_settimeofday(struct compat_timeval __user *tv,
423 struct timezone __user *tz);
424
425asmlinkage long compat_sys_adjtimex(struct compat_timex __user *utp);
426
427extern __printf(1, 2) int compat_printk(const char *fmt, ...);
428extern void sigset_from_compat(sigset_t *set, const compat_sigset_t *compat);
429extern void sigset_to_compat(compat_sigset_t *compat, const sigset_t *set);
430
431asmlinkage long compat_sys_migrate_pages(compat_pid_t pid,
432 compat_ulong_t maxnode, const compat_ulong_t __user *old_nodes,
433 const compat_ulong_t __user *new_nodes);
434
435extern int compat_ptrace_request(struct task_struct *child,
436 compat_long_t request,
437 compat_ulong_t addr, compat_ulong_t data);
438
439extern long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
440 compat_ulong_t addr, compat_ulong_t data);
441asmlinkage long compat_sys_ptrace(compat_long_t request, compat_long_t pid,
442 compat_long_t addr, compat_long_t data);
443
444asmlinkage long compat_sys_lookup_dcookie(u32, u32, char __user *, compat_size_t);
445
446
447
448struct epoll_event;
449asmlinkage long compat_sys_epoll_pwait(int epfd,
450 struct epoll_event __user *events,
451 int maxevents, int timeout,
452 const compat_sigset_t __user *sigmask,
453 compat_size_t sigsetsize);
454
455asmlinkage long compat_sys_utime(const char __user *filename,
456 struct compat_utimbuf __user *t);
457asmlinkage long compat_sys_utimensat(unsigned int dfd,
458 const char __user *filename,
459 struct compat_timespec __user *t,
460 int flags);
461
462asmlinkage long compat_sys_time(compat_time_t __user *tloc);
463asmlinkage long compat_sys_stime(compat_time_t __user *tptr);
464asmlinkage long compat_sys_signalfd(int ufd,
465 const compat_sigset_t __user *sigmask,
466 compat_size_t sigsetsize);
467asmlinkage long compat_sys_timerfd_settime(int ufd, int flags,
468 const struct compat_itimerspec __user *utmr,
469 struct compat_itimerspec __user *otmr);
470asmlinkage long compat_sys_timerfd_gettime(int ufd,
471 struct compat_itimerspec __user *otmr);
472
473asmlinkage long compat_sys_move_pages(pid_t pid, compat_ulong_t nr_pages,
474 __u32 __user *pages,
475 const int __user *nodes,
476 int __user *status,
477 int flags);
478asmlinkage long compat_sys_futimesat(unsigned int dfd,
479 const char __user *filename,
480 struct compat_timeval __user *t);
481asmlinkage long compat_sys_utimes(const char __user *filename,
482 struct compat_timeval __user *t);
483asmlinkage long compat_sys_newstat(const char __user *filename,
484 struct compat_stat __user *statbuf);
485asmlinkage long compat_sys_newlstat(const char __user *filename,
486 struct compat_stat __user *statbuf);
487asmlinkage long compat_sys_newfstatat(unsigned int dfd,
488 const char __user *filename,
489 struct compat_stat __user *statbuf,
490 int flag);
491asmlinkage long compat_sys_newfstat(unsigned int fd,
492 struct compat_stat __user *statbuf);
493asmlinkage long compat_sys_statfs(const char __user *pathname,
494 struct compat_statfs __user *buf);
495asmlinkage long compat_sys_fstatfs(unsigned int fd,
496 struct compat_statfs __user *buf);
497asmlinkage long compat_sys_statfs64(const char __user *pathname,
498 compat_size_t sz,
499 struct compat_statfs64 __user *buf);
500asmlinkage long compat_sys_fstatfs64(unsigned int fd, compat_size_t sz,
501 struct compat_statfs64 __user *buf);
502asmlinkage long compat_sys_fcntl64(unsigned int fd, unsigned int cmd,
503 compat_ulong_t arg);
504asmlinkage long compat_sys_fcntl(unsigned int fd, unsigned int cmd,
505 compat_ulong_t arg);
506asmlinkage long compat_sys_io_setup(unsigned nr_reqs, u32 __user *ctx32p);
507asmlinkage long compat_sys_io_getevents(compat_aio_context_t ctx_id,
508 compat_long_t min_nr,
509 compat_long_t nr,
510 struct io_event __user *events,
511 struct compat_timespec __user *timeout);
512asmlinkage long compat_sys_io_submit(compat_aio_context_t ctx_id, int nr,
513 u32 __user *iocb);
514asmlinkage long compat_sys_mount(const char __user *dev_name,
515 const char __user *dir_name,
516 const char __user *type, compat_ulong_t flags,
517 const void __user *data);
518asmlinkage long compat_sys_old_readdir(unsigned int fd,
519 struct compat_old_linux_dirent __user *,
520 unsigned int count);
521asmlinkage long compat_sys_getdents(unsigned int fd,
522 struct compat_linux_dirent __user *dirent,
523 unsigned int count);
524#ifdef __ARCH_WANT_COMPAT_SYS_GETDENTS64
525asmlinkage long compat_sys_getdents64(unsigned int fd,
526 struct linux_dirent64 __user *dirent,
527 unsigned int count);
528#endif
529asmlinkage long compat_sys_vmsplice(int fd, const struct compat_iovec __user *,
530 unsigned int nr_segs, unsigned int flags);
531asmlinkage long compat_sys_open(const char __user *filename, int flags,
532 umode_t mode);
533asmlinkage long compat_sys_openat(int dfd, const char __user *filename,
534 int flags, umode_t mode);
535asmlinkage long compat_sys_open_by_handle_at(int mountdirfd,
536 struct file_handle __user *handle,
537 int flags);
538asmlinkage long compat_sys_truncate(const char __user *, compat_off_t);
539asmlinkage long compat_sys_ftruncate(unsigned int, compat_ulong_t);
540asmlinkage long compat_sys_pselect6(int n, compat_ulong_t __user *inp,
541 compat_ulong_t __user *outp,
542 compat_ulong_t __user *exp,
543 struct compat_timespec __user *tsp,
544 void __user *sig);
545asmlinkage long compat_sys_ppoll(struct pollfd __user *ufds,
546 unsigned int nfds,
547 struct compat_timespec __user *tsp,
548 const compat_sigset_t __user *sigmask,
549 compat_size_t sigsetsize);
550asmlinkage long compat_sys_signalfd4(int ufd,
551 const compat_sigset_t __user *sigmask,
552 compat_size_t sigsetsize, int flags);
553asmlinkage long compat_sys_get_mempolicy(int __user *policy,
554 compat_ulong_t __user *nmask,
555 compat_ulong_t maxnode,
556 compat_ulong_t addr,
557 compat_ulong_t flags);
558asmlinkage long compat_sys_set_mempolicy(int mode, compat_ulong_t __user *nmask,
559 compat_ulong_t maxnode);
560asmlinkage long compat_sys_mbind(compat_ulong_t start, compat_ulong_t len,
561 compat_ulong_t mode,
562 compat_ulong_t __user *nmask,
563 compat_ulong_t maxnode, compat_ulong_t flags);
564
565asmlinkage long compat_sys_setsockopt(int fd, int level, int optname,
566 char __user *optval, unsigned int optlen);
567asmlinkage long compat_sys_sendmsg(int fd, struct compat_msghdr __user *msg,
568 unsigned flags);
569asmlinkage long compat_sys_sendmmsg(int fd, struct compat_mmsghdr __user *mmsg,
570 unsigned vlen, unsigned int flags);
571asmlinkage long compat_sys_recvmsg(int fd, struct compat_msghdr __user *msg,
572 unsigned int flags);
573asmlinkage long compat_sys_recv(int fd, void __user *buf, compat_size_t len,
574 unsigned flags);
575asmlinkage long compat_sys_recvfrom(int fd, void __user *buf, compat_size_t len,
576 unsigned flags, struct sockaddr __user *addr,
577 int __user *addrlen);
578asmlinkage long compat_sys_recvmmsg(int fd, struct compat_mmsghdr __user *mmsg,
579 unsigned vlen, unsigned int flags,
580 struct compat_timespec __user *timeout);
581asmlinkage long compat_sys_nanosleep(struct compat_timespec __user *rqtp,
582 struct compat_timespec __user *rmtp);
583asmlinkage long compat_sys_getitimer(int which,
584 struct compat_itimerval __user *it);
585asmlinkage long compat_sys_setitimer(int which,
586 struct compat_itimerval __user *in,
587 struct compat_itimerval __user *out);
588asmlinkage long compat_sys_times(struct compat_tms __user *tbuf);
589asmlinkage long compat_sys_setrlimit(unsigned int resource,
590 struct compat_rlimit __user *rlim);
591asmlinkage long compat_sys_getrlimit(unsigned int resource,
592 struct compat_rlimit __user *rlim);
593asmlinkage long compat_sys_getrusage(int who, struct compat_rusage __user *ru);
594asmlinkage long compat_sys_sched_setaffinity(compat_pid_t pid,
595 unsigned int len,
596 compat_ulong_t __user *user_mask_ptr);
597asmlinkage long compat_sys_sched_getaffinity(compat_pid_t pid,
598 unsigned int len,
599 compat_ulong_t __user *user_mask_ptr);
600asmlinkage long compat_sys_timer_create(clockid_t which_clock,
601 struct compat_sigevent __user *timer_event_spec,
602 timer_t __user *created_timer_id);
603asmlinkage long compat_sys_timer_settime(timer_t timer_id, int flags,
604 struct compat_itimerspec __user *new,
605 struct compat_itimerspec __user *old);
606asmlinkage long compat_sys_timer_gettime(timer_t timer_id,
607 struct compat_itimerspec __user *setting);
608asmlinkage long compat_sys_clock_settime(clockid_t which_clock,
609 struct compat_timespec __user *tp);
610asmlinkage long compat_sys_clock_gettime(clockid_t which_clock,
611 struct compat_timespec __user *tp);
612asmlinkage long compat_sys_clock_adjtime(clockid_t which_clock,
613 struct compat_timex __user *tp);
614asmlinkage long compat_sys_clock_getres(clockid_t which_clock,
615 struct compat_timespec __user *tp);
616asmlinkage long compat_sys_clock_nanosleep(clockid_t which_clock, int flags,
617 struct compat_timespec __user *rqtp,
618 struct compat_timespec __user *rmtp);
619asmlinkage long compat_sys_rt_sigtimedwait(compat_sigset_t __user *uthese,
620 struct compat_siginfo __user *uinfo,
621 struct compat_timespec __user *uts, compat_size_t sigsetsize);
622asmlinkage long compat_sys_rt_sigsuspend(compat_sigset_t __user *unewset,
623 compat_size_t sigsetsize);
624asmlinkage long compat_sys_rt_sigprocmask(int how, compat_sigset_t __user *set,
625 compat_sigset_t __user *oset,
626 compat_size_t sigsetsize);
627asmlinkage long compat_sys_rt_sigpending(compat_sigset_t __user *uset,
628 compat_size_t sigsetsize);
629#ifndef CONFIG_ODD_RT_SIGACTION
630asmlinkage long compat_sys_rt_sigaction(int,
631 const struct compat_sigaction __user *,
632 struct compat_sigaction __user *,
633 compat_size_t);
634#endif
635asmlinkage long compat_sys_rt_sigqueueinfo(compat_pid_t pid, int sig,
636 struct compat_siginfo __user *uinfo);
637asmlinkage long compat_sys_sysinfo(struct compat_sysinfo __user *info);
638asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd,
639 compat_ulong_t arg);
640asmlinkage long compat_sys_futex(u32 __user *uaddr, int op, u32 val,
641 struct compat_timespec __user *utime, u32 __user *uaddr2,
642 u32 val3);
643asmlinkage long compat_sys_getsockopt(int fd, int level, int optname,
644 char __user *optval, int __user *optlen);
645asmlinkage long compat_sys_kexec_load(compat_ulong_t entry,
646 compat_ulong_t nr_segments,
647 struct compat_kexec_segment __user *,
648 compat_ulong_t flags);
649asmlinkage long compat_sys_mq_getsetattr(mqd_t mqdes,
650 const struct compat_mq_attr __user *u_mqstat,
651 struct compat_mq_attr __user *u_omqstat);
652asmlinkage long compat_sys_mq_notify(mqd_t mqdes,
653 const struct compat_sigevent __user *u_notification);
654asmlinkage long compat_sys_mq_open(const char __user *u_name,
655 int oflag, compat_mode_t mode,
656 struct compat_mq_attr __user *u_attr);
657asmlinkage long compat_sys_mq_timedsend(mqd_t mqdes,
658 const char __user *u_msg_ptr,
659 compat_size_t msg_len, unsigned int msg_prio,
660 const struct compat_timespec __user *u_abs_timeout);
661asmlinkage ssize_t compat_sys_mq_timedreceive(mqd_t mqdes,
662 char __user *u_msg_ptr,
663 compat_size_t msg_len, unsigned int __user *u_msg_prio,
664 const struct compat_timespec __user *u_abs_timeout);
665asmlinkage long compat_sys_socketcall(int call, u32 __user *args);
666asmlinkage long compat_sys_sysctl(struct compat_sysctl_args __user *args);
667
668extern ssize_t compat_rw_copy_check_uvector(int type,
669 const struct compat_iovec __user *uvector,
670 unsigned long nr_segs,
671 unsigned long fast_segs, struct iovec *fast_pointer,
672 struct iovec **ret_pointer);
673
674extern void __user *compat_alloc_user_space(unsigned long len);
675
676asmlinkage ssize_t compat_sys_process_vm_readv(compat_pid_t pid,
677 const struct compat_iovec __user *lvec,
678 compat_ulong_t liovcnt, const struct compat_iovec __user *rvec,
679 compat_ulong_t riovcnt, compat_ulong_t flags);
680asmlinkage ssize_t compat_sys_process_vm_writev(compat_pid_t pid,
681 const struct compat_iovec __user *lvec,
682 compat_ulong_t liovcnt, const struct compat_iovec __user *rvec,
683 compat_ulong_t riovcnt, compat_ulong_t flags);
684
685asmlinkage long compat_sys_sendfile(int out_fd, int in_fd,
686 compat_off_t __user *offset, compat_size_t count);
687asmlinkage long compat_sys_sendfile64(int out_fd, int in_fd,
688 compat_loff_t __user *offset, compat_size_t count);
689asmlinkage long compat_sys_sigaltstack(const compat_stack_t __user *uss_ptr,
690 compat_stack_t __user *uoss_ptr);
691
692#ifdef __ARCH_WANT_SYS_SIGPENDING
693asmlinkage long compat_sys_sigpending(compat_old_sigset_t __user *set);
694#endif
695
696#ifdef __ARCH_WANT_SYS_SIGPROCMASK
697asmlinkage long compat_sys_sigprocmask(int how, compat_old_sigset_t __user *nset,
698 compat_old_sigset_t __user *oset);
699#endif
700
701int compat_restore_altstack(const compat_stack_t __user *uss);
702int __compat_save_altstack(compat_stack_t __user *, unsigned long);
703#define compat_save_altstack_ex(uss, sp) do { \
704 compat_stack_t __user *__uss = uss; \
705 struct task_struct *t = current; \
706 put_user_ex(ptr_to_compat((void __user *)t->sas_ss_sp), &__uss->ss_sp); \
707 put_user_ex(sas_ss_flags(sp), &__uss->ss_flags); \
708 put_user_ex(t->sas_ss_size, &__uss->ss_size); \
709} while (0);
710
711asmlinkage long compat_sys_sched_rr_get_interval(compat_pid_t pid,
712 struct compat_timespec __user *interval);
713
714asmlinkage long compat_sys_fanotify_mark(int, unsigned int, __u32, __u32,
715 int, const char __user *);
716#else
717
718#define is_compat_task() (0)
719
720#endif
721#endif
722
