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convert sendfile{,64} to COMPAT_SYSCALL_DEFINE
[linux-2.6-block.git] / include / linux / compat.h
CommitLineData
1da177e4
LT		 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 */
1da177e4
LT		 7
8#ifdef CONFIG_COMPAT
9
10#include <linux/stat.h>
11#include <linux/param.h> /* for HZ */
12#include <linux/sem.h>
2dceba14
AB		 13#include <linux/socket.h>
14#include <linux/if.h>
be84cb43 15#include <linux/fs.h>
45e9683e 16#include <linux/aio_abi.h> /* for aio_context_t */
1da177e4
LT		 17
18#include <asm/compat.h>
19#include <asm/siginfo.h>
3f2e05e9 20#include <asm/signal.h>
1da177e4 21
45e87781
L		 22#ifndef COMPAT_USE_64BIT_TIME
23#define COMPAT_USE_64BIT_TIME 0
24#endif
25
46836613
AV		 26#ifndef __SC_DELOUSE
27#define __SC_DELOUSE(t,v) ((t)(unsigned long)(v))
28#endif
29
46836613
AV		 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
46836613 43#define COMPAT_SYSCALL_DEFINEx(x, name, ...) \
07fe6e00
AV		 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__))\
46836613 47 { \
07fe6e00 48 return C_SYSC##name(__MAP(x,__SC_DELOUSE,__VA_ARGS__)); \
46836613
AV		 49 } \
50 SYSCALL_ALIAS(compat_sys##name, compat_SyS##name); \
07fe6e00 51 static inline long C_SYSC##name(__MAP(x,__SC_DECL,__VA_ARGS__))
46836613 52
9b064fc3
AV		 53#ifndef compat_user_stack_pointer
54#define compat_user_stack_pointer() current_user_stack_pointer()
55#endif
90268439
AV		 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
90268439 63
1da177e4
LT		 64#define compat_jiffies_to_clock_t(x) \
65 (((unsigned long)(x) * COMPAT_USER_HZ) / HZ)
66
202e5979
SR		 67typedef __compat_uid32_t compat_uid_t;
68typedef __compat_gid32_t compat_gid_t;
69
5d0e5283 70struct compat_sel_arg_struct;
1da177e4
LT		 71struct rusage;
72
4800a5bb 73struct compat_itimerspec {
1da177e4
LT		 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
88959ea9
SR		 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;
153b5d05 115 compat_int_t tai;
88959ea9 116
4800a5bb
CM		 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;
88959ea9
SR		 120};
121
1da177e4
LT		 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
08d32fe5
AV		 128struct compat_sigaction {
129#ifndef __ARCH_HAS_ODD_SIGACTION
130 compat_uptr_t sa_handler;
131 compat_ulong_t sa_flags;
132#else
133 compat_ulong_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};
08d32fe5 141
6684ba20
PA		 142/*
143 * These functions operate strictly on struct compat_time*
144 */
4800a5bb
CM		 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 *);
6684ba20
PA		 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 *);
1da177e4
LT		 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
4800a5bb
CM		 192extern int put_compat_rusage(const struct rusage *,
193 struct compat_rusage __user *);
1da177e4
LT		 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
2b1c6bd7
CH		 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
1da177e4
LT		 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
2dceba14
AB		 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
4800a5bb 241struct compat_if_settings {
7a50a240
AB		 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
2dceba14 247struct compat_ifreq {
7a50a240
AB		 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 */
2dceba14 262 char ifru_newname[IFNAMSIZ];
7a50a240
AB		 263 compat_caddr_t ifru_data;
264 struct compat_if_settings ifru_settings;
265 } ifr_ifru;
2dceba14
AB		 266};
267
268struct compat_ifconf {
4800a5bb
CM		 269 compat_int_t ifc_len; /* size of buffer */
270 compat_caddr_t ifcbuf;
2dceba14
AB		 271};
272
34f192c6
IM		 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
495dfbf7
AV		 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
be84cb43
CM		 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;
48b25c43 303struct compat_msgbuf;
be84cb43 304
34f192c6
IM		 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
ba46df98 311compat_sys_get_robust_list(int pid, compat_uptr_t __user *head_ptr,
34f192c6 312 compat_size_t __user *len_ptr);
1da177e4 313
48b25c43 314#ifdef CONFIG_ARCH_WANT_OLD_COMPAT_IPC
1da177e4
LT		 315long compat_sys_semctl(int first, int second, int third, void __user *uptr);
316long compat_sys_msgsnd(int first, int second, int third, void __user *uptr);
317long compat_sys_msgrcv(int first, int second, int msgtyp, int third,
318 int version, void __user *uptr);
1da177e4
LT		 319long compat_sys_shmat(int first, int second, compat_uptr_t third, int version,
320 void __user *uptr);
48b25c43
CM		 321#else
322long compat_sys_semctl(int semid, int semnum, int cmd, int arg);
323long compat_sys_msgsnd(int msqid, struct compat_msgbuf __user *msgp,
05ba3f1a 324 compat_ssize_t msgsz, int msgflg);
48b25c43 325long compat_sys_msgrcv(int msqid, struct compat_msgbuf __user *msgp,
05ba3f1a 326 compat_ssize_t msgsz, long msgtyp, int msgflg);
48b25c43
CM		 327long compat_sys_shmat(int shmid, compat_uptr_t shmaddr, int shmflg);
328#endif
329long compat_sys_msgctl(int first, int second, void __user *uptr);
1da177e4
LT		 330long compat_sys_shmctl(int first, int second, void __user *uptr);
331long compat_sys_semtimedop(int semid, struct sembuf __user *tsems,
332 unsigned nsems, const struct compat_timespec __user *timeout);
333asmlinkage long compat_sys_keyctl(u32 option,
334 u32 arg2, u32 arg3, u32 arg4, u32 arg5);
2b1c6bd7 335asmlinkage long compat_sys_ustat(unsigned dev, struct compat_ustat __user *u32);
1da177e4
LT		 336
337asmlinkage ssize_t compat_sys_readv(unsigned long fd,
338 const struct compat_iovec __user *vec, unsigned long vlen);
339asmlinkage ssize_t compat_sys_writev(unsigned long fd,
340 const struct compat_iovec __user *vec, unsigned long vlen);
f3554f4b
GH		 341asmlinkage ssize_t compat_sys_preadv(unsigned long fd,
342 const struct compat_iovec __user *vec,
601cc11d 343 unsigned long vlen, u32 pos_low, u32 pos_high);
f3554f4b
GH		 344asmlinkage ssize_t compat_sys_pwritev(unsigned long fd,
345 const struct compat_iovec __user *vec,
601cc11d 346 unsigned long vlen, u32 pos_low, u32 pos_high);
561c6731 347asmlinkage long comat_sys_lseek(unsigned int, compat_off_t, unsigned int);
1da177e4 348
38b983b3
AV		 349asmlinkage long compat_sys_execve(const char __user *filename, const compat_uptr_t __user *argv,
350 const compat_uptr_t __user *envp);
1da177e4
LT		 351
352asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp,
353 compat_ulong_t __user *outp, compat_ulong_t __user *exp,
354 struct compat_timeval __user *tvp);
355
5d0e5283
CH		 356asmlinkage long compat_sys_old_select(struct compat_sel_arg_struct __user *arg);
357
c202f298 358asmlinkage long compat_sys_wait4(compat_pid_t pid,
7d61c459
AV		 359 compat_uint_t __user *stat_addr, int options,
360 struct compat_rusage __user *ru);
c202f298 361
1da177e4
LT		 362#define BITS_PER_COMPAT_LONG (8*sizeof(compat_long_t))
363
364#define BITS_TO_COMPAT_LONGS(bits) \
365 (((bits)+BITS_PER_COMPAT_LONG-1)/BITS_PER_COMPAT_LONG)
366
5fa3839a 367long compat_get_bitmap(unsigned long *mask, const compat_ulong_t __user *umask,
1da177e4
LT		 368 unsigned long bitmap_size);
369long compat_put_bitmap(compat_ulong_t __user *umask, unsigned long *mask,
370 unsigned long bitmap_size);
371int copy_siginfo_from_user32(siginfo_t *to, struct compat_siginfo __user *from);
372int copy_siginfo_to_user32(struct compat_siginfo __user *to, siginfo_t *from);
373int get_compat_sigevent(struct sigevent *event,
374 const struct compat_sigevent __user *u_event);
62ab4505
TG		 375long compat_sys_rt_tgsigqueueinfo(compat_pid_t tgid, compat_pid_t pid, int sig,
376 struct compat_siginfo __user *uinfo);
495dfbf7
AV		 377#ifdef CONFIG_COMPAT_OLD_SIGACTION
378asmlinkage long compat_sys_sigaction(int sig,
379 const struct compat_old_sigaction __user *act,
380 struct compat_old_sigaction __user *oact);
381#endif
1da177e4 382
643a6545
AM		 383static inline int compat_timeval_compare(struct compat_timeval *lhs,
384 struct compat_timeval *rhs)
385{
386 if (lhs->tv_sec < rhs->tv_sec)
387 return -1;
388 if (lhs->tv_sec > rhs->tv_sec)
389 return 1;
390 return lhs->tv_usec - rhs->tv_usec;
391}
392
393static inline int compat_timespec_compare(struct compat_timespec *lhs,
394 struct compat_timespec *rhs)
395{
396 if (lhs->tv_sec < rhs->tv_sec)
397 return -1;
398 if (lhs->tv_sec > rhs->tv_sec)
399 return 1;
400 return lhs->tv_nsec - rhs->tv_nsec;
401}
402
83f5d126
DL		 403extern int get_compat_itimerspec(struct itimerspec *dst,
404 const struct compat_itimerspec __user *src);
405extern int put_compat_itimerspec(struct compat_itimerspec __user *dst,
406 const struct itimerspec *src);
407
b418da16
CH		 408asmlinkage long compat_sys_gettimeofday(struct compat_timeval __user *tv,
409 struct timezone __user *tz);
410asmlinkage long compat_sys_settimeofday(struct compat_timeval __user *tv,
411 struct timezone __user *tz);
412
3158e941
SR		 413asmlinkage long compat_sys_adjtimex(struct compat_timex __user *utp);
414
bebfa101 415extern int compat_printk(const char *fmt, ...);
322a56cb
AV		 416extern void sigset_from_compat(sigset_t *set, const compat_sigset_t *compat);
417extern void sigset_to_compat(compat_sigset_t *compat, const sigset_t *set);
bebfa101 418
3fd59397
SR		 419asmlinkage long compat_sys_migrate_pages(compat_pid_t pid,
420 compat_ulong_t maxnode, const compat_ulong_t __user *old_nodes,
421 const compat_ulong_t __user *new_nodes);
422
032d82d9
RM		 423extern int compat_ptrace_request(struct task_struct *child,
424 compat_long_t request,
425 compat_ulong_t addr, compat_ulong_t data);
426
c269f196
RM		 427extern long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
428 compat_ulong_t addr, compat_ulong_t data);
429asmlinkage long compat_sys_ptrace(compat_long_t request, compat_long_t pid,
430 compat_long_t addr, compat_long_t data);
c269f196 431
f6dfb4fd
DL		 432/*
433 * epoll (fs/eventpoll.c) compat bits follow ...
434 */
f6dfb4fd
DL		 435struct epoll_event;
436#define compat_epoll_event epoll_event
f6dfb4fd
DL		 437asmlinkage long compat_sys_epoll_pwait(int epfd,
438 struct compat_epoll_event __user *events,
439 int maxevents, int timeout,
440 const compat_sigset_t __user *sigmask,
441 compat_size_t sigsetsize);
442
be84cb43
CM		 443asmlinkage long compat_sys_utime(const char __user *filename,
444 struct compat_utimbuf __user *t);
4800a5bb
CM		 445asmlinkage long compat_sys_utimensat(unsigned int dfd,
446 const char __user *filename,
447 struct compat_timespec __user *t,
448 int flags);
97416ce8 449
be84cb43
CM		 450asmlinkage long compat_sys_time(compat_time_t __user *tloc);
451asmlinkage long compat_sys_stime(compat_time_t __user *tptr);
140ff8b0 452asmlinkage long compat_sys_signalfd(int ufd,
4800a5bb
CM		 453 const compat_sigset_t __user *sigmask,
454 compat_size_t sigsetsize);
4d672e7a
DL		 455asmlinkage long compat_sys_timerfd_settime(int ufd, int flags,
456 const struct compat_itimerspec __user *utmr,
457 struct compat_itimerspec __user *otmr);
458asmlinkage long compat_sys_timerfd_gettime(int ufd,
459 struct compat_itimerspec __user *otmr);
140ff8b0 460
4c696ba7
HC		 461asmlinkage long compat_sys_move_pages(pid_t pid, unsigned long nr_page,
462 __u32 __user *pages,
463 const int __user *nodes,
464 int __user *status,
465 int flags);
4800a5bb
CM		 466asmlinkage long compat_sys_futimesat(unsigned int dfd,
467 const char __user *filename,
4c696ba7 468 struct compat_timeval __user *t);
be84cb43
CM		 469asmlinkage long compat_sys_utimes(const char __user *filename,
470 struct compat_timeval __user *t);
4800a5bb 471asmlinkage long compat_sys_newstat(const char __user *filename,
be84cb43 472 struct compat_stat __user *statbuf);
4800a5bb 473asmlinkage long compat_sys_newlstat(const char __user *filename,
be84cb43 474 struct compat_stat __user *statbuf);
4800a5bb
CM		 475asmlinkage long compat_sys_newfstatat(unsigned int dfd,
476 const char __user *filename,
4c696ba7
HC		 477 struct compat_stat __user *statbuf,
478 int flag);
be84cb43 479asmlinkage long compat_sys_newfstat(unsigned int fd,
4800a5bb 480 struct compat_stat __user *statbuf);
be84cb43
CM		 481asmlinkage long compat_sys_statfs(const char __user *pathname,
482 struct compat_statfs __user *buf);
483asmlinkage long compat_sys_fstatfs(unsigned int fd,
484 struct compat_statfs __user *buf);
485asmlinkage long compat_sys_statfs64(const char __user *pathname,
486 compat_size_t sz,
487 struct compat_statfs64 __user *buf);
488asmlinkage long compat_sys_fstatfs64(unsigned int fd, compat_size_t sz,
489 struct compat_statfs64 __user *buf);
490asmlinkage long compat_sys_fcntl64(unsigned int fd, unsigned int cmd,
491 unsigned long arg);
492asmlinkage long compat_sys_fcntl(unsigned int fd, unsigned int cmd,
493 unsigned long arg);
494asmlinkage long compat_sys_io_setup(unsigned nr_reqs, u32 __user *ctx32p);
495asmlinkage long compat_sys_io_getevents(aio_context_t ctx_id,
496 unsigned long min_nr,
497 unsigned long nr,
498 struct io_event __user *events,
499 struct compat_timespec __user *timeout);
500asmlinkage long compat_sys_io_submit(aio_context_t ctx_id, int nr,
501 u32 __user *iocb);
4800a5bb
CM		 502asmlinkage long compat_sys_mount(const char __user *dev_name,
503 const char __user *dir_name,
504 const char __user *type, unsigned long flags,
505 const void __user *data);
be84cb43
CM		 506asmlinkage long compat_sys_old_readdir(unsigned int fd,
507 struct compat_old_linux_dirent __user *,
508 unsigned int count);
509asmlinkage long compat_sys_getdents(unsigned int fd,
510 struct compat_linux_dirent __user *dirent,
511 unsigned int count);
512asmlinkage long compat_sys_getdents64(unsigned int fd,
4800a5bb 513 struct linux_dirent64 __user *dirent,
be84cb43
CM		 514 unsigned int count);
515asmlinkage long compat_sys_vmsplice(int fd, const struct compat_iovec __user *,
516 unsigned int nr_segs, unsigned int flags);
517asmlinkage long compat_sys_open(const char __user *filename, int flags,
a218d0fd 518 umode_t mode);
f482e1b4 519asmlinkage long compat_sys_openat(int dfd, const char __user *filename,
a218d0fd 520 int flags, umode_t mode);
be84cb43
CM		 521asmlinkage long compat_sys_open_by_handle_at(int mountdirfd,
522 struct file_handle __user *handle,
523 int flags);
3f6d078d
AV		 524asmlinkage long compat_sys_truncate(const char __user *, compat_off_t);
525asmlinkage long compat_sys_ftruncate(unsigned int, compat_ulong_t);
be84cb43
CM		 526asmlinkage long compat_sys_pselect6(int n, compat_ulong_t __user *inp,
527 compat_ulong_t __user *outp,
528 compat_ulong_t __user *exp,
529 struct compat_timespec __user *tsp,
530 void __user *sig);
531asmlinkage long compat_sys_ppoll(struct pollfd __user *ufds,
532 unsigned int nfds,
533 struct compat_timespec __user *tsp,
534 const compat_sigset_t __user *sigmask,
535 compat_size_t sigsetsize);
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CM		 536asmlinkage long compat_sys_signalfd4(int ufd,
537 const compat_sigset_t __user *sigmask,
538 compat_size_t sigsetsize, int flags);
539asmlinkage long compat_sys_get_mempolicy(int __user *policy,
540 compat_ulong_t __user *nmask,
541 compat_ulong_t maxnode,
542 compat_ulong_t addr,
543 compat_ulong_t flags);
544asmlinkage long compat_sys_set_mempolicy(int mode, compat_ulong_t __user *nmask,
545 compat_ulong_t maxnode);
546asmlinkage long compat_sys_mbind(compat_ulong_t start, compat_ulong_t len,
547 compat_ulong_t mode,
548 compat_ulong_t __user *nmask,
549 compat_ulong_t maxnode, compat_ulong_t flags);
550
551asmlinkage long compat_sys_setsockopt(int fd, int level, int optname,
552 char __user *optval, unsigned int optlen);
553asmlinkage long compat_sys_sendmsg(int fd, struct compat_msghdr __user *msg,
554 unsigned flags);
507c5f12
CM		 555asmlinkage long compat_sys_sendmmsg(int fd, struct compat_mmsghdr __user *mmsg,
556 unsigned vlen, unsigned int flags);
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CM		 557asmlinkage long compat_sys_recvmsg(int fd, struct compat_msghdr __user *msg,
558 unsigned int flags);
559asmlinkage long compat_sys_recv(int fd, void __user *buf, size_t len,
560 unsigned flags);
561asmlinkage long compat_sys_recvfrom(int fd, void __user *buf, size_t len,
562 unsigned flags, struct sockaddr __user *addr,
563 int __user *addrlen);
564asmlinkage long compat_sys_recvmmsg(int fd, struct compat_mmsghdr __user *mmsg,
565 unsigned vlen, unsigned int flags,
566 struct compat_timespec __user *timeout);
567asmlinkage long compat_sys_nanosleep(struct compat_timespec __user *rqtp,
568 struct compat_timespec __user *rmtp);
569asmlinkage long compat_sys_getitimer(int which,
570 struct compat_itimerval __user *it);
571asmlinkage long compat_sys_setitimer(int which,
572 struct compat_itimerval __user *in,
573 struct compat_itimerval __user *out);
574asmlinkage long compat_sys_times(struct compat_tms __user *tbuf);
575asmlinkage long compat_sys_setrlimit(unsigned int resource,
576 struct compat_rlimit __user *rlim);
4800a5bb
CM		 577asmlinkage long compat_sys_getrlimit(unsigned int resource,
578 struct compat_rlimit __user *rlim);
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CM		 579asmlinkage long compat_sys_getrusage(int who, struct compat_rusage __user *ru);
580asmlinkage long compat_sys_sched_setaffinity(compat_pid_t pid,
581 unsigned int len,
582 compat_ulong_t __user *user_mask_ptr);
583asmlinkage long compat_sys_sched_getaffinity(compat_pid_t pid,
584 unsigned int len,
585 compat_ulong_t __user *user_mask_ptr);
586asmlinkage long compat_sys_timer_create(clockid_t which_clock,
587 struct compat_sigevent __user *timer_event_spec,
588 timer_t __user *created_timer_id);
589asmlinkage long compat_sys_timer_settime(timer_t timer_id, int flags,
590 struct compat_itimerspec __user *new,
591 struct compat_itimerspec __user *old);
592asmlinkage long compat_sys_timer_gettime(timer_t timer_id,
593 struct compat_itimerspec __user *setting);
594asmlinkage long compat_sys_clock_settime(clockid_t which_clock,
595 struct compat_timespec __user *tp);
596asmlinkage long compat_sys_clock_gettime(clockid_t which_clock,
597 struct compat_timespec __user *tp);
598asmlinkage long compat_sys_clock_adjtime(clockid_t which_clock,
599 struct compat_timex __user *tp);
600asmlinkage long compat_sys_clock_getres(clockid_t which_clock,
601 struct compat_timespec __user *tp);
602asmlinkage long compat_sys_clock_nanosleep(clockid_t which_clock, int flags,
603 struct compat_timespec __user *rqtp,
604 struct compat_timespec __user *rmtp);
4800a5bb 605asmlinkage long compat_sys_rt_sigtimedwait(compat_sigset_t __user *uthese,
be84cb43
CM		 606 struct compat_siginfo __user *uinfo,
607 struct compat_timespec __user *uts, compat_size_t sigsetsize);
608asmlinkage long compat_sys_rt_sigsuspend(compat_sigset_t __user *unewset,
609 compat_size_t sigsetsize);
322a56cb
AV		 610asmlinkage long compat_sys_rt_sigprocmask(int how, compat_sigset_t __user *set,
611 compat_sigset_t __user *oset,
612 compat_size_t sigsetsize);
fe9c1db2
AV		 613asmlinkage long compat_sys_rt_sigpending(compat_sigset_t __user *uset,
614 compat_size_t sigsetsize);
08d32fe5 615#ifndef CONFIG_ODD_RT_SIGACTION
08d32fe5
AV		 616asmlinkage long compat_sys_rt_sigaction(int,
617 const struct compat_sigaction __user *,
618 struct compat_sigaction __user *,
619 compat_size_t);
620#endif
75907d4d
AV		 621asmlinkage long compat_sys_rt_sigqueueinfo(compat_pid_t pid, int sig,
622 struct compat_siginfo __user *uinfo);
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CM		 623asmlinkage long compat_sys_sysinfo(struct compat_sysinfo __user *info);
624asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd,
625 unsigned long arg);
626asmlinkage long compat_sys_futex(u32 __user *uaddr, int op, u32 val,
627 struct compat_timespec __user *utime, u32 __user *uaddr2,
628 u32 val3);
629asmlinkage long compat_sys_getsockopt(int fd, int level, int optname,
630 char __user *optval, int __user *optlen);
631asmlinkage long compat_sys_kexec_load(unsigned long entry,
632 unsigned long nr_segments,
633 struct compat_kexec_segment __user *,
634 unsigned long flags);
635asmlinkage long compat_sys_mq_getsetattr(mqd_t mqdes,
636 const struct compat_mq_attr __user *u_mqstat,
637 struct compat_mq_attr __user *u_omqstat);
638asmlinkage long compat_sys_mq_notify(mqd_t mqdes,
639 const struct compat_sigevent __user *u_notification);
640asmlinkage long compat_sys_mq_open(const char __user *u_name,
641 int oflag, compat_mode_t mode,
642 struct compat_mq_attr __user *u_attr);
643asmlinkage long compat_sys_mq_timedsend(mqd_t mqdes,
644 const char __user *u_msg_ptr,
645 size_t msg_len, unsigned int msg_prio,
646 const struct compat_timespec __user *u_abs_timeout);
647asmlinkage ssize_t compat_sys_mq_timedreceive(mqd_t mqdes,
648 char __user *u_msg_ptr,
649 size_t msg_len, unsigned int __user *u_msg_prio,
650 const struct compat_timespec __user *u_abs_timeout);
651asmlinkage long compat_sys_socketcall(int call, u32 __user *args);
652asmlinkage long compat_sys_sysctl(struct compat_sysctl_args __user *args);
4c696ba7 653
b8373363 654extern ssize_t compat_rw_copy_check_uvector(int type,
4800a5bb
CM		 655 const struct compat_iovec __user *uvector,
656 unsigned long nr_segs,
b8373363 657 unsigned long fast_segs, struct iovec *fast_pointer,
ac34ebb3 658 struct iovec **ret_pointer);
c41d68a5
PA		 659
660extern void __user *compat_alloc_user_space(unsigned long len);
661
a67ba43d
CM		 662asmlinkage ssize_t compat_sys_process_vm_readv(compat_pid_t pid,
663 const struct compat_iovec __user *lvec,
664 unsigned long liovcnt, const struct compat_iovec __user *rvec,
665 unsigned long riovcnt, unsigned long flags);
666asmlinkage ssize_t compat_sys_process_vm_writev(compat_pid_t pid,
667 const struct compat_iovec __user *lvec,
668 unsigned long liovcnt, const struct compat_iovec __user *rvec,
669 unsigned long riovcnt, unsigned long flags);
670
8f9c0119
CM		 671asmlinkage long compat_sys_sendfile(int out_fd, int in_fd,
672 compat_off_t __user *offset, compat_size_t count);
19f4fc3a
AV		 673asmlinkage long compat_sys_sendfile64(int out_fd, int in_fd,
674 compat_loff_t __user *offset, compat_size_t count);
90268439
AV		 675asmlinkage long compat_sys_sigaltstack(const compat_stack_t __user *uss_ptr,
676 compat_stack_t __user *uoss_ptr);
677
678int compat_restore_altstack(const compat_stack_t __user *uss);
c40702c4 679int __compat_save_altstack(compat_stack_t __user *, unsigned long);
8f9c0119 680
0ad50c38
CM		 681asmlinkage long compat_sys_sched_rr_get_interval(compat_pid_t pid,
682 struct compat_timespec __user *interval);
683
3c761ea0
LT		 684#else
685
686#define is_compat_task() (0)
687
1da177e4
LT		 688#endif /* CONFIG_COMPAT */
689#endif /* _LINUX_COMPAT_H */
Linux 6.x block layer and io_uring tree(s)