1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * syscalls.h - Linux syscall interfaces (non-arch-specific)
5 * Copyright (c) 2004 Randy Dunlap
6 * Copyright (c) 2004 Open Source Development Labs
9 #ifndef _LINUX_SYSCALLS_H
10 #define _LINUX_SYSCALLS_H
23 struct linux_dirent64
;
25 struct mmap_arg_struct
;
32 struct __old_kernel_stat
;
33 struct oldold_utsname
;
41 struct sel_arg_struct
;
54 struct __kernel_old_timeval
;
55 struct __kernel_timex
;
62 struct robust_list_head
;
64 struct old_linux_dirent
;
65 struct perf_event_attr
;
70 struct io_uring_params
;
73 #include <linux/types.h>
74 #include <linux/aio_abi.h>
75 #include <linux/capability.h>
76 #include <linux/signal.h>
77 #include <linux/list.h>
78 #include <linux/bug.h>
79 #include <linux/sem.h>
80 #include <asm/siginfo.h>
81 #include <linux/unistd.h>
82 #include <linux/quota.h>
83 #include <linux/key.h>
84 #include <linux/personality.h>
85 #include <trace/syscall.h>
87 #ifdef CONFIG_ARCH_HAS_SYSCALL_WRAPPER
89 * It may be useful for an architecture to override the definitions of the
90 * SYSCALL_DEFINE0() and __SYSCALL_DEFINEx() macros, in particular to use a
91 * different calling convention for syscalls. To allow for that, the prototypes
92 * for the sys_*() functions below will *not* be included if
93 * CONFIG_ARCH_HAS_SYSCALL_WRAPPER is enabled.
95 #include <asm/syscall_wrapper.h>
96 #endif /* CONFIG_ARCH_HAS_SYSCALL_WRAPPER */
99 * __MAP - apply a macro to syscall arguments
100 * __MAP(n, m, t1, a1, t2, a2, ..., tn, an) will expand to
101 * m(t1, a1), m(t2, a2), ..., m(tn, an)
102 * The first argument must be equal to the amount of type/name
103 * pairs given. Note that this list of pairs (i.e. the arguments
104 * of __MAP starting at the third one) is in the same format as
105 * for SYSCALL_DEFINE<n>/COMPAT_SYSCALL_DEFINE<n>
107 #define __MAP0(m,...)
108 #define __MAP1(m,t,a,...) m(t,a)
109 #define __MAP2(m,t,a,...) m(t,a), __MAP1(m,__VA_ARGS__)
110 #define __MAP3(m,t,a,...) m(t,a), __MAP2(m,__VA_ARGS__)
111 #define __MAP4(m,t,a,...) m(t,a), __MAP3(m,__VA_ARGS__)
112 #define __MAP5(m,t,a,...) m(t,a), __MAP4(m,__VA_ARGS__)
113 #define __MAP6(m,t,a,...) m(t,a), __MAP5(m,__VA_ARGS__)
114 #define __MAP(n,...) __MAP##n(__VA_ARGS__)
116 #define __SC_DECL(t, a) t a
117 #define __TYPE_AS(t, v) __same_type((__force t)0, v)
118 #define __TYPE_IS_L(t) (__TYPE_AS(t, 0L))
119 #define __TYPE_IS_UL(t) (__TYPE_AS(t, 0UL))
120 #define __TYPE_IS_LL(t) (__TYPE_AS(t, 0LL) || __TYPE_AS(t, 0ULL))
121 #define __SC_LONG(t, a) __typeof(__builtin_choose_expr(__TYPE_IS_LL(t), 0LL, 0L)) a
122 #define __SC_CAST(t, a) (__force t) a
123 #define __SC_ARGS(t, a) a
124 #define __SC_TEST(t, a) (void)BUILD_BUG_ON_ZERO(!__TYPE_IS_LL(t) && sizeof(t) > sizeof(long))
126 #ifdef CONFIG_FTRACE_SYSCALLS
127 #define __SC_STR_ADECL(t, a) #a
128 #define __SC_STR_TDECL(t, a) #t
130 extern struct trace_event_class event_class_syscall_enter
;
131 extern struct trace_event_class event_class_syscall_exit
;
132 extern struct trace_event_functions enter_syscall_print_funcs
;
133 extern struct trace_event_functions exit_syscall_print_funcs
;
135 #define SYSCALL_TRACE_ENTER_EVENT(sname) \
136 static struct syscall_metadata __syscall_meta_##sname; \
137 static struct trace_event_call __used \
138 event_enter_##sname = { \
139 .class = &event_class_syscall_enter, \
141 .name = "sys_enter"#sname, \
143 .event.funcs = &enter_syscall_print_funcs, \
144 .data = (void *)&__syscall_meta_##sname,\
145 .flags = TRACE_EVENT_FL_CAP_ANY, \
147 static struct trace_event_call __used \
148 __attribute__((section("_ftrace_events"))) \
149 *__event_enter_##sname = &event_enter_##sname;
151 #define SYSCALL_TRACE_EXIT_EVENT(sname) \
152 static struct syscall_metadata __syscall_meta_##sname; \
153 static struct trace_event_call __used \
154 event_exit_##sname = { \
155 .class = &event_class_syscall_exit, \
157 .name = "sys_exit"#sname, \
159 .event.funcs = &exit_syscall_print_funcs, \
160 .data = (void *)&__syscall_meta_##sname,\
161 .flags = TRACE_EVENT_FL_CAP_ANY, \
163 static struct trace_event_call __used \
164 __attribute__((section("_ftrace_events"))) \
165 *__event_exit_##sname = &event_exit_##sname;
167 #define SYSCALL_METADATA(sname, nb, ...) \
168 static const char *types_##sname[] = { \
169 __MAP(nb,__SC_STR_TDECL,__VA_ARGS__) \
171 static const char *args_##sname[] = { \
172 __MAP(nb,__SC_STR_ADECL,__VA_ARGS__) \
174 SYSCALL_TRACE_ENTER_EVENT(sname); \
175 SYSCALL_TRACE_EXIT_EVENT(sname); \
176 static struct syscall_metadata __used \
177 __syscall_meta_##sname = { \
178 .name = "sys"#sname, \
179 .syscall_nr = -1, /* Filled in at boot */ \
181 .types = nb ? types_##sname : NULL, \
182 .args = nb ? args_##sname : NULL, \
183 .enter_event = &event_enter_##sname, \
184 .exit_event = &event_exit_##sname, \
185 .enter_fields = LIST_HEAD_INIT(__syscall_meta_##sname.enter_fields), \
187 static struct syscall_metadata __used \
188 __attribute__((section("__syscalls_metadata"))) \
189 *__p_syscall_meta_##sname = &__syscall_meta_##sname;
191 static inline int is_syscall_trace_event(struct trace_event_call
*tp_event
)
193 return tp_event
->class == &event_class_syscall_enter
||
194 tp_event
->class == &event_class_syscall_exit
;
198 #define SYSCALL_METADATA(sname, nb, ...)
200 static inline int is_syscall_trace_event(struct trace_event_call
*tp_event
)
206 #ifndef SYSCALL_DEFINE0
207 #define SYSCALL_DEFINE0(sname) \
208 SYSCALL_METADATA(_##sname, 0); \
209 asmlinkage long sys_##sname(void); \
210 ALLOW_ERROR_INJECTION(sys_##sname, ERRNO); \
211 asmlinkage long sys_##sname(void)
212 #endif /* SYSCALL_DEFINE0 */
214 #define SYSCALL_DEFINE1(name, ...) SYSCALL_DEFINEx(1, _##name, __VA_ARGS__)
215 #define SYSCALL_DEFINE2(name, ...) SYSCALL_DEFINEx(2, _##name, __VA_ARGS__)
216 #define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__)
217 #define SYSCALL_DEFINE4(name, ...) SYSCALL_DEFINEx(4, _##name, __VA_ARGS__)
218 #define SYSCALL_DEFINE5(name, ...) SYSCALL_DEFINEx(5, _##name, __VA_ARGS__)
219 #define SYSCALL_DEFINE6(name, ...) SYSCALL_DEFINEx(6, _##name, __VA_ARGS__)
221 #define SYSCALL_DEFINE_MAXARGS 6
223 #define SYSCALL_DEFINEx(x, sname, ...) \
224 SYSCALL_METADATA(sname, x, __VA_ARGS__) \
225 __SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
227 #define __PROTECT(...) asmlinkage_protect(__VA_ARGS__)
230 * The asmlinkage stub is aliased to a function named __se_sys_*() which
231 * sign-extends 32-bit ints to longs whenever needed. The actual work is
232 * done within __do_sys_*().
234 #ifndef __SYSCALL_DEFINEx
235 #define __SYSCALL_DEFINEx(x, name, ...) \
237 __diag_ignore(GCC, 8, "-Wattribute-alias", \
238 "Type aliasing is used to sanitize syscall arguments");\
239 asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \
240 __attribute__((alias(__stringify(__se_sys##name)))); \
241 ALLOW_ERROR_INJECTION(sys##name, ERRNO); \
242 static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));\
243 asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \
244 asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
246 long ret = __do_sys##name(__MAP(x,__SC_CAST,__VA_ARGS__));\
247 __MAP(x,__SC_TEST,__VA_ARGS__); \
248 __PROTECT(x, ret,__MAP(x,__SC_ARGS,__VA_ARGS__)); \
252 static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))
253 #endif /* __SYSCALL_DEFINEx */
256 * Called before coming back to user-mode. Returning to user-mode with an
257 * address limit different than USER_DS can allow to overwrite kernel memory.
259 static inline void addr_limit_user_check(void)
262 if (!test_thread_flag(TIF_FSCHECK
))
266 if (CHECK_DATA_CORRUPTION(!segment_eq(get_fs(), USER_DS
),
267 "Invalid address limit on user-mode return"))
271 clear_thread_flag(TIF_FSCHECK
);
276 * These syscall function prototypes are kept in the same order as
277 * include/uapi/asm-generic/unistd.h. Architecture specific entries go below,
278 * followed by deprecated or obsolete system calls.
280 * Please note that these prototypes here are only provided for information
281 * purposes, for static analysis, and for linking from the syscall table.
282 * These functions should not be called elsewhere from kernel code.
284 * As the syscall calling convention may be different from the default
285 * for architectures overriding the syscall calling convention, do not
286 * include the prototypes if CONFIG_ARCH_HAS_SYSCALL_WRAPPER is enabled.
288 #ifndef CONFIG_ARCH_HAS_SYSCALL_WRAPPER
289 asmlinkage
long sys_io_setup(unsigned nr_reqs
, aio_context_t __user
*ctx
);
290 asmlinkage
long sys_io_destroy(aio_context_t ctx
);
291 asmlinkage
long sys_io_submit(aio_context_t
, long,
292 struct iocb __user
* __user
*);
293 asmlinkage
long sys_io_cancel(aio_context_t ctx_id
, struct iocb __user
*iocb
,
294 struct io_event __user
*result
);
295 asmlinkage
long sys_io_getevents(aio_context_t ctx_id
,
298 struct io_event __user
*events
,
299 struct __kernel_timespec __user
*timeout
);
300 asmlinkage
long sys_io_getevents_time32(__u32 ctx_id
,
303 struct io_event __user
*events
,
304 struct old_timespec32 __user
*timeout
);
305 asmlinkage
long sys_io_pgetevents(aio_context_t ctx_id
,
308 struct io_event __user
*events
,
309 struct __kernel_timespec __user
*timeout
,
310 const struct __aio_sigset
*sig
);
311 asmlinkage
long sys_io_pgetevents_time32(aio_context_t ctx_id
,
314 struct io_event __user
*events
,
315 struct old_timespec32 __user
*timeout
,
316 const struct __aio_sigset
*sig
);
317 asmlinkage
long sys_io_uring_setup(u32 entries
,
318 struct io_uring_params __user
*p
);
319 asmlinkage
long sys_io_uring_enter(unsigned int fd
, u32 to_submit
,
320 u32 min_complete
, u32 flags
,
321 const sigset_t __user
*sig
, size_t sigsz
);
322 asmlinkage
long sys_io_uring_register(unsigned int fd
, unsigned int op
,
323 void __user
*arg
, unsigned int nr_args
);
326 asmlinkage
long sys_setxattr(const char __user
*path
, const char __user
*name
,
327 const void __user
*value
, size_t size
, int flags
);
328 asmlinkage
long sys_lsetxattr(const char __user
*path
, const char __user
*name
,
329 const void __user
*value
, size_t size
, int flags
);
330 asmlinkage
long sys_fsetxattr(int fd
, const char __user
*name
,
331 const void __user
*value
, size_t size
, int flags
);
332 asmlinkage
long sys_getxattr(const char __user
*path
, const char __user
*name
,
333 void __user
*value
, size_t size
);
334 asmlinkage
long sys_lgetxattr(const char __user
*path
, const char __user
*name
,
335 void __user
*value
, size_t size
);
336 asmlinkage
long sys_fgetxattr(int fd
, const char __user
*name
,
337 void __user
*value
, size_t size
);
338 asmlinkage
long sys_listxattr(const char __user
*path
, char __user
*list
,
340 asmlinkage
long sys_llistxattr(const char __user
*path
, char __user
*list
,
342 asmlinkage
long sys_flistxattr(int fd
, char __user
*list
, size_t size
);
343 asmlinkage
long sys_removexattr(const char __user
*path
,
344 const char __user
*name
);
345 asmlinkage
long sys_lremovexattr(const char __user
*path
,
346 const char __user
*name
);
347 asmlinkage
long sys_fremovexattr(int fd
, const char __user
*name
);
350 asmlinkage
long sys_getcwd(char __user
*buf
, unsigned long size
);
353 asmlinkage
long sys_lookup_dcookie(u64 cookie64
, char __user
*buf
, size_t len
);
356 asmlinkage
long sys_eventfd2(unsigned int count
, int flags
);
359 asmlinkage
long sys_epoll_create1(int flags
);
360 asmlinkage
long sys_epoll_ctl(int epfd
, int op
, int fd
,
361 struct epoll_event __user
*event
);
362 asmlinkage
long sys_epoll_pwait(int epfd
, struct epoll_event __user
*events
,
363 int maxevents
, int timeout
,
364 const sigset_t __user
*sigmask
,
368 asmlinkage
long sys_dup(unsigned int fildes
);
369 asmlinkage
long sys_dup3(unsigned int oldfd
, unsigned int newfd
, int flags
);
370 asmlinkage
long sys_fcntl(unsigned int fd
, unsigned int cmd
, unsigned long arg
);
371 #if BITS_PER_LONG == 32
372 asmlinkage
long sys_fcntl64(unsigned int fd
,
373 unsigned int cmd
, unsigned long arg
);
376 /* fs/inotify_user.c */
377 asmlinkage
long sys_inotify_init1(int flags
);
378 asmlinkage
long sys_inotify_add_watch(int fd
, const char __user
*path
,
380 asmlinkage
long sys_inotify_rm_watch(int fd
, __s32 wd
);
383 asmlinkage
long sys_ioctl(unsigned int fd
, unsigned int cmd
,
387 asmlinkage
long sys_ioprio_set(int which
, int who
, int ioprio
);
388 asmlinkage
long sys_ioprio_get(int which
, int who
);
391 asmlinkage
long sys_flock(unsigned int fd
, unsigned int cmd
);
394 asmlinkage
long sys_mknodat(int dfd
, const char __user
* filename
, umode_t mode
,
396 asmlinkage
long sys_mkdirat(int dfd
, const char __user
* pathname
, umode_t mode
);
397 asmlinkage
long sys_unlinkat(int dfd
, const char __user
* pathname
, int flag
);
398 asmlinkage
long sys_symlinkat(const char __user
* oldname
,
399 int newdfd
, const char __user
* newname
);
400 asmlinkage
long sys_linkat(int olddfd
, const char __user
*oldname
,
401 int newdfd
, const char __user
*newname
, int flags
);
402 asmlinkage
long sys_renameat(int olddfd
, const char __user
* oldname
,
403 int newdfd
, const char __user
* newname
);
406 asmlinkage
long sys_umount(char __user
*name
, int flags
);
407 asmlinkage
long sys_mount(char __user
*dev_name
, char __user
*dir_name
,
408 char __user
*type
, unsigned long flags
,
410 asmlinkage
long sys_pivot_root(const char __user
*new_root
,
411 const char __user
*put_old
);
416 asmlinkage
long sys_statfs(const char __user
* path
,
417 struct statfs __user
*buf
);
418 asmlinkage
long sys_statfs64(const char __user
*path
, size_t sz
,
419 struct statfs64 __user
*buf
);
420 asmlinkage
long sys_fstatfs(unsigned int fd
, struct statfs __user
*buf
);
421 asmlinkage
long sys_fstatfs64(unsigned int fd
, size_t sz
,
422 struct statfs64 __user
*buf
);
423 asmlinkage
long sys_truncate(const char __user
*path
, long length
);
424 asmlinkage
long sys_ftruncate(unsigned int fd
, unsigned long length
);
425 #if BITS_PER_LONG == 32
426 asmlinkage
long sys_truncate64(const char __user
*path
, loff_t length
);
427 asmlinkage
long sys_ftruncate64(unsigned int fd
, loff_t length
);
429 asmlinkage
long sys_fallocate(int fd
, int mode
, loff_t offset
, loff_t len
);
430 asmlinkage
long sys_faccessat(int dfd
, const char __user
*filename
, int mode
);
431 asmlinkage
long sys_chdir(const char __user
*filename
);
432 asmlinkage
long sys_fchdir(unsigned int fd
);
433 asmlinkage
long sys_chroot(const char __user
*filename
);
434 asmlinkage
long sys_fchmod(unsigned int fd
, umode_t mode
);
435 asmlinkage
long sys_fchmodat(int dfd
, const char __user
* filename
,
437 asmlinkage
long sys_fchownat(int dfd
, const char __user
*filename
, uid_t user
,
438 gid_t group
, int flag
);
439 asmlinkage
long sys_fchown(unsigned int fd
, uid_t user
, gid_t group
);
440 asmlinkage
long sys_openat(int dfd
, const char __user
*filename
, int flags
,
442 asmlinkage
long sys_close(unsigned int fd
);
443 asmlinkage
long sys_vhangup(void);
446 asmlinkage
long sys_pipe2(int __user
*fildes
, int flags
);
449 asmlinkage
long sys_quotactl(unsigned int cmd
, const char __user
*special
,
450 qid_t id
, void __user
*addr
);
453 asmlinkage
long sys_getdents64(unsigned int fd
,
454 struct linux_dirent64 __user
*dirent
,
457 /* fs/read_write.c */
458 asmlinkage
long sys_llseek(unsigned int fd
, unsigned long offset_high
,
459 unsigned long offset_low
, loff_t __user
*result
,
460 unsigned int whence
);
461 asmlinkage
long sys_lseek(unsigned int fd
, off_t offset
,
462 unsigned int whence
);
463 asmlinkage
long sys_read(unsigned int fd
, char __user
*buf
, size_t count
);
464 asmlinkage
long sys_write(unsigned int fd
, const char __user
*buf
,
466 asmlinkage
long sys_readv(unsigned long fd
,
467 const struct iovec __user
*vec
,
469 asmlinkage
long sys_writev(unsigned long fd
,
470 const struct iovec __user
*vec
,
472 asmlinkage
long sys_pread64(unsigned int fd
, char __user
*buf
,
473 size_t count
, loff_t pos
);
474 asmlinkage
long sys_pwrite64(unsigned int fd
, const char __user
*buf
,
475 size_t count
, loff_t pos
);
476 asmlinkage
long sys_preadv(unsigned long fd
, const struct iovec __user
*vec
,
477 unsigned long vlen
, unsigned long pos_l
, unsigned long pos_h
);
478 asmlinkage
long sys_pwritev(unsigned long fd
, const struct iovec __user
*vec
,
479 unsigned long vlen
, unsigned long pos_l
, unsigned long pos_h
);
482 asmlinkage
long sys_sendfile64(int out_fd
, int in_fd
,
483 loff_t __user
*offset
, size_t count
);
486 asmlinkage
long sys_pselect6(int, fd_set __user
*, fd_set __user
*,
487 fd_set __user
*, struct __kernel_timespec __user
*,
489 asmlinkage
long sys_pselect6_time32(int, fd_set __user
*, fd_set __user
*,
490 fd_set __user
*, struct old_timespec32 __user
*,
492 asmlinkage
long sys_ppoll(struct pollfd __user
*, unsigned int,
493 struct __kernel_timespec __user
*, const sigset_t __user
*,
495 asmlinkage
long sys_ppoll_time32(struct pollfd __user
*, unsigned int,
496 struct old_timespec32 __user
*, const sigset_t __user
*,
500 asmlinkage
long sys_signalfd4(int ufd
, sigset_t __user
*user_mask
, size_t sizemask
, int flags
);
503 asmlinkage
long sys_vmsplice(int fd
, const struct iovec __user
*iov
,
504 unsigned long nr_segs
, unsigned int flags
);
505 asmlinkage
long sys_splice(int fd_in
, loff_t __user
*off_in
,
506 int fd_out
, loff_t __user
*off_out
,
507 size_t len
, unsigned int flags
);
508 asmlinkage
long sys_tee(int fdin
, int fdout
, size_t len
, unsigned int flags
);
511 asmlinkage
long sys_readlinkat(int dfd
, const char __user
*path
, char __user
*buf
,
513 asmlinkage
long sys_newfstatat(int dfd
, const char __user
*filename
,
514 struct stat __user
*statbuf
, int flag
);
515 asmlinkage
long sys_newfstat(unsigned int fd
, struct stat __user
*statbuf
);
516 #if defined(__ARCH_WANT_STAT64) || defined(__ARCH_WANT_COMPAT_STAT64)
517 asmlinkage
long sys_fstat64(unsigned long fd
, struct stat64 __user
*statbuf
);
518 asmlinkage
long sys_fstatat64(int dfd
, const char __user
*filename
,
519 struct stat64 __user
*statbuf
, int flag
);
523 asmlinkage
long sys_sync(void);
524 asmlinkage
long sys_fsync(unsigned int fd
);
525 asmlinkage
long sys_fdatasync(unsigned int fd
);
526 asmlinkage
long sys_sync_file_range2(int fd
, unsigned int flags
,
527 loff_t offset
, loff_t nbytes
);
528 asmlinkage
long sys_sync_file_range(int fd
, loff_t offset
, loff_t nbytes
,
532 asmlinkage
long sys_timerfd_create(int clockid
, int flags
);
533 asmlinkage
long sys_timerfd_settime(int ufd
, int flags
,
534 const struct __kernel_itimerspec __user
*utmr
,
535 struct __kernel_itimerspec __user
*otmr
);
536 asmlinkage
long sys_timerfd_gettime(int ufd
, struct __kernel_itimerspec __user
*otmr
);
537 asmlinkage
long sys_timerfd_gettime32(int ufd
,
538 struct old_itimerspec32 __user
*otmr
);
539 asmlinkage
long sys_timerfd_settime32(int ufd
, int flags
,
540 const struct old_itimerspec32 __user
*utmr
,
541 struct old_itimerspec32 __user
*otmr
);
544 asmlinkage
long sys_utimensat(int dfd
, const char __user
*filename
,
545 struct __kernel_timespec __user
*utimes
,
547 asmlinkage
long sys_utimensat_time32(unsigned int dfd
,
548 const char __user
*filename
,
549 struct old_timespec32 __user
*t
, int flags
);
552 asmlinkage
long sys_acct(const char __user
*name
);
554 /* kernel/capability.c */
555 asmlinkage
long sys_capget(cap_user_header_t header
,
556 cap_user_data_t dataptr
);
557 asmlinkage
long sys_capset(cap_user_header_t header
,
558 const cap_user_data_t data
);
560 /* kernel/exec_domain.c */
561 asmlinkage
long sys_personality(unsigned int personality
);
564 asmlinkage
long sys_exit(int error_code
);
565 asmlinkage
long sys_exit_group(int error_code
);
566 asmlinkage
long sys_waitid(int which
, pid_t pid
,
567 struct siginfo __user
*infop
,
568 int options
, struct rusage __user
*ru
);
571 asmlinkage
long sys_set_tid_address(int __user
*tidptr
);
572 asmlinkage
long sys_unshare(unsigned long unshare_flags
);
575 asmlinkage
long sys_futex(u32 __user
*uaddr
, int op
, u32 val
,
576 struct __kernel_timespec __user
*utime
, u32 __user
*uaddr2
,
578 asmlinkage
long sys_futex_time32(u32 __user
*uaddr
, int op
, u32 val
,
579 struct old_timespec32 __user
*utime
, u32 __user
*uaddr2
,
581 asmlinkage
long sys_get_robust_list(int pid
,
582 struct robust_list_head __user
* __user
*head_ptr
,
583 size_t __user
*len_ptr
);
584 asmlinkage
long sys_set_robust_list(struct robust_list_head __user
*head
,
587 /* kernel/hrtimer.c */
588 asmlinkage
long sys_nanosleep(struct __kernel_timespec __user
*rqtp
,
589 struct __kernel_timespec __user
*rmtp
);
590 asmlinkage
long sys_nanosleep_time32(struct old_timespec32 __user
*rqtp
,
591 struct old_timespec32 __user
*rmtp
);
593 /* kernel/itimer.c */
594 asmlinkage
long sys_getitimer(int which
, struct itimerval __user
*value
);
595 asmlinkage
long sys_setitimer(int which
,
596 struct itimerval __user
*value
,
597 struct itimerval __user
*ovalue
);
600 asmlinkage
long sys_kexec_load(unsigned long entry
, unsigned long nr_segments
,
601 struct kexec_segment __user
*segments
,
602 unsigned long flags
);
604 /* kernel/module.c */
605 asmlinkage
long sys_init_module(void __user
*umod
, unsigned long len
,
606 const char __user
*uargs
);
607 asmlinkage
long sys_delete_module(const char __user
*name_user
,
610 /* kernel/posix-timers.c */
611 asmlinkage
long sys_timer_create(clockid_t which_clock
,
612 struct sigevent __user
*timer_event_spec
,
613 timer_t __user
* created_timer_id
);
614 asmlinkage
long sys_timer_gettime(timer_t timer_id
,
615 struct __kernel_itimerspec __user
*setting
);
616 asmlinkage
long sys_timer_getoverrun(timer_t timer_id
);
617 asmlinkage
long sys_timer_settime(timer_t timer_id
, int flags
,
618 const struct __kernel_itimerspec __user
*new_setting
,
619 struct __kernel_itimerspec __user
*old_setting
);
620 asmlinkage
long sys_timer_delete(timer_t timer_id
);
621 asmlinkage
long sys_clock_settime(clockid_t which_clock
,
622 const struct __kernel_timespec __user
*tp
);
623 asmlinkage
long sys_clock_gettime(clockid_t which_clock
,
624 struct __kernel_timespec __user
*tp
);
625 asmlinkage
long sys_clock_getres(clockid_t which_clock
,
626 struct __kernel_timespec __user
*tp
);
627 asmlinkage
long sys_clock_nanosleep(clockid_t which_clock
, int flags
,
628 const struct __kernel_timespec __user
*rqtp
,
629 struct __kernel_timespec __user
*rmtp
);
630 asmlinkage
long sys_timer_gettime32(timer_t timer_id
,
631 struct old_itimerspec32 __user
*setting
);
632 asmlinkage
long sys_timer_settime32(timer_t timer_id
, int flags
,
633 struct old_itimerspec32 __user
*new,
634 struct old_itimerspec32 __user
*old
);
635 asmlinkage
long sys_clock_settime32(clockid_t which_clock
,
636 struct old_timespec32 __user
*tp
);
637 asmlinkage
long sys_clock_gettime32(clockid_t which_clock
,
638 struct old_timespec32 __user
*tp
);
639 asmlinkage
long sys_clock_getres_time32(clockid_t which_clock
,
640 struct old_timespec32 __user
*tp
);
641 asmlinkage
long sys_clock_nanosleep_time32(clockid_t which_clock
, int flags
,
642 struct old_timespec32 __user
*rqtp
,
643 struct old_timespec32 __user
*rmtp
);
645 /* kernel/printk.c */
646 asmlinkage
long sys_syslog(int type
, char __user
*buf
, int len
);
648 /* kernel/ptrace.c */
649 asmlinkage
long sys_ptrace(long request
, long pid
, unsigned long addr
,
651 /* kernel/sched/core.c */
653 asmlinkage
long sys_sched_setparam(pid_t pid
,
654 struct sched_param __user
*param
);
655 asmlinkage
long sys_sched_setscheduler(pid_t pid
, int policy
,
656 struct sched_param __user
*param
);
657 asmlinkage
long sys_sched_getscheduler(pid_t pid
);
658 asmlinkage
long sys_sched_getparam(pid_t pid
,
659 struct sched_param __user
*param
);
660 asmlinkage
long sys_sched_setaffinity(pid_t pid
, unsigned int len
,
661 unsigned long __user
*user_mask_ptr
);
662 asmlinkage
long sys_sched_getaffinity(pid_t pid
, unsigned int len
,
663 unsigned long __user
*user_mask_ptr
);
664 asmlinkage
long sys_sched_yield(void);
665 asmlinkage
long sys_sched_get_priority_max(int policy
);
666 asmlinkage
long sys_sched_get_priority_min(int policy
);
667 asmlinkage
long sys_sched_rr_get_interval(pid_t pid
,
668 struct __kernel_timespec __user
*interval
);
669 asmlinkage
long sys_sched_rr_get_interval_time32(pid_t pid
,
670 struct old_timespec32 __user
*interval
);
672 /* kernel/signal.c */
673 asmlinkage
long sys_restart_syscall(void);
674 asmlinkage
long sys_kill(pid_t pid
, int sig
);
675 asmlinkage
long sys_tkill(pid_t pid
, int sig
);
676 asmlinkage
long sys_tgkill(pid_t tgid
, pid_t pid
, int sig
);
677 asmlinkage
long sys_sigaltstack(const struct sigaltstack __user
*uss
,
678 struct sigaltstack __user
*uoss
);
679 asmlinkage
long sys_rt_sigsuspend(sigset_t __user
*unewset
, size_t sigsetsize
);
680 #ifndef CONFIG_ODD_RT_SIGACTION
681 asmlinkage
long sys_rt_sigaction(int,
682 const struct sigaction __user
*,
683 struct sigaction __user
*,
686 asmlinkage
long sys_rt_sigprocmask(int how
, sigset_t __user
*set
,
687 sigset_t __user
*oset
, size_t sigsetsize
);
688 asmlinkage
long sys_rt_sigpending(sigset_t __user
*set
, size_t sigsetsize
);
689 asmlinkage
long sys_rt_sigtimedwait(const sigset_t __user
*uthese
,
690 siginfo_t __user
*uinfo
,
691 const struct __kernel_timespec __user
*uts
,
693 asmlinkage
long sys_rt_sigtimedwait_time32(const sigset_t __user
*uthese
,
694 siginfo_t __user
*uinfo
,
695 const struct old_timespec32 __user
*uts
,
697 asmlinkage
long sys_rt_sigqueueinfo(pid_t pid
, int sig
, siginfo_t __user
*uinfo
);
700 asmlinkage
long sys_setpriority(int which
, int who
, int niceval
);
701 asmlinkage
long sys_getpriority(int which
, int who
);
702 asmlinkage
long sys_reboot(int magic1
, int magic2
, unsigned int cmd
,
704 asmlinkage
long sys_setregid(gid_t rgid
, gid_t egid
);
705 asmlinkage
long sys_setgid(gid_t gid
);
706 asmlinkage
long sys_setreuid(uid_t ruid
, uid_t euid
);
707 asmlinkage
long sys_setuid(uid_t uid
);
708 asmlinkage
long sys_setresuid(uid_t ruid
, uid_t euid
, uid_t suid
);
709 asmlinkage
long sys_getresuid(uid_t __user
*ruid
, uid_t __user
*euid
, uid_t __user
*suid
);
710 asmlinkage
long sys_setresgid(gid_t rgid
, gid_t egid
, gid_t sgid
);
711 asmlinkage
long sys_getresgid(gid_t __user
*rgid
, gid_t __user
*egid
, gid_t __user
*sgid
);
712 asmlinkage
long sys_setfsuid(uid_t uid
);
713 asmlinkage
long sys_setfsgid(gid_t gid
);
714 asmlinkage
long sys_times(struct tms __user
*tbuf
);
715 asmlinkage
long sys_setpgid(pid_t pid
, pid_t pgid
);
716 asmlinkage
long sys_getpgid(pid_t pid
);
717 asmlinkage
long sys_getsid(pid_t pid
);
718 asmlinkage
long sys_setsid(void);
719 asmlinkage
long sys_getgroups(int gidsetsize
, gid_t __user
*grouplist
);
720 asmlinkage
long sys_setgroups(int gidsetsize
, gid_t __user
*grouplist
);
721 asmlinkage
long sys_newuname(struct new_utsname __user
*name
);
722 asmlinkage
long sys_sethostname(char __user
*name
, int len
);
723 asmlinkage
long sys_setdomainname(char __user
*name
, int len
);
724 asmlinkage
long sys_getrlimit(unsigned int resource
,
725 struct rlimit __user
*rlim
);
726 asmlinkage
long sys_setrlimit(unsigned int resource
,
727 struct rlimit __user
*rlim
);
728 asmlinkage
long sys_getrusage(int who
, struct rusage __user
*ru
);
729 asmlinkage
long sys_umask(int mask
);
730 asmlinkage
long sys_prctl(int option
, unsigned long arg2
, unsigned long arg3
,
731 unsigned long arg4
, unsigned long arg5
);
732 asmlinkage
long sys_getcpu(unsigned __user
*cpu
, unsigned __user
*node
, struct getcpu_cache __user
*cache
);
735 asmlinkage
long sys_gettimeofday(struct __kernel_old_timeval __user
*tv
,
736 struct timezone __user
*tz
);
737 asmlinkage
long sys_settimeofday(struct __kernel_old_timeval __user
*tv
,
738 struct timezone __user
*tz
);
739 asmlinkage
long sys_adjtimex(struct __kernel_timex __user
*txc_p
);
740 asmlinkage
long sys_adjtimex_time32(struct old_timex32 __user
*txc_p
);
743 asmlinkage
long sys_getpid(void);
744 asmlinkage
long sys_getppid(void);
745 asmlinkage
long sys_getuid(void);
746 asmlinkage
long sys_geteuid(void);
747 asmlinkage
long sys_getgid(void);
748 asmlinkage
long sys_getegid(void);
749 asmlinkage
long sys_gettid(void);
750 asmlinkage
long sys_sysinfo(struct sysinfo __user
*info
);
753 asmlinkage
long sys_mq_open(const char __user
*name
, int oflag
, umode_t mode
, struct mq_attr __user
*attr
);
754 asmlinkage
long sys_mq_unlink(const char __user
*name
);
755 asmlinkage
long sys_mq_timedsend(mqd_t mqdes
, const char __user
*msg_ptr
, size_t msg_len
, unsigned int msg_prio
, const struct __kernel_timespec __user
*abs_timeout
);
756 asmlinkage
long sys_mq_timedreceive(mqd_t mqdes
, char __user
*msg_ptr
, size_t msg_len
, unsigned int __user
*msg_prio
, const struct __kernel_timespec __user
*abs_timeout
);
757 asmlinkage
long sys_mq_notify(mqd_t mqdes
, const struct sigevent __user
*notification
);
758 asmlinkage
long sys_mq_getsetattr(mqd_t mqdes
, const struct mq_attr __user
*mqstat
, struct mq_attr __user
*omqstat
);
759 asmlinkage
long sys_mq_timedreceive_time32(mqd_t mqdes
,
760 char __user
*u_msg_ptr
,
761 unsigned int msg_len
, unsigned int __user
*u_msg_prio
,
762 const struct old_timespec32 __user
*u_abs_timeout
);
763 asmlinkage
long sys_mq_timedsend_time32(mqd_t mqdes
,
764 const char __user
*u_msg_ptr
,
765 unsigned int msg_len
, unsigned int msg_prio
,
766 const struct old_timespec32 __user
*u_abs_timeout
);
769 asmlinkage
long sys_msgget(key_t key
, int msgflg
);
770 asmlinkage
long sys_old_msgctl(int msqid
, int cmd
, struct msqid_ds __user
*buf
);
771 asmlinkage
long sys_msgctl(int msqid
, int cmd
, struct msqid_ds __user
*buf
);
772 asmlinkage
long sys_msgrcv(int msqid
, struct msgbuf __user
*msgp
,
773 size_t msgsz
, long msgtyp
, int msgflg
);
774 asmlinkage
long sys_msgsnd(int msqid
, struct msgbuf __user
*msgp
,
775 size_t msgsz
, int msgflg
);
778 asmlinkage
long sys_semget(key_t key
, int nsems
, int semflg
);
779 asmlinkage
long sys_semctl(int semid
, int semnum
, int cmd
, unsigned long arg
);
780 asmlinkage
long sys_old_semctl(int semid
, int semnum
, int cmd
, unsigned long arg
);
781 asmlinkage
long sys_semtimedop(int semid
, struct sembuf __user
*sops
,
783 const struct __kernel_timespec __user
*timeout
);
784 asmlinkage
long sys_semtimedop_time32(int semid
, struct sembuf __user
*sops
,
786 const struct old_timespec32 __user
*timeout
);
787 asmlinkage
long sys_semop(int semid
, struct sembuf __user
*sops
,
791 asmlinkage
long sys_shmget(key_t key
, size_t size
, int flag
);
792 asmlinkage
long sys_old_shmctl(int shmid
, int cmd
, struct shmid_ds __user
*buf
);
793 asmlinkage
long sys_shmctl(int shmid
, int cmd
, struct shmid_ds __user
*buf
);
794 asmlinkage
long sys_shmat(int shmid
, char __user
*shmaddr
, int shmflg
);
795 asmlinkage
long sys_shmdt(char __user
*shmaddr
);
798 asmlinkage
long sys_socket(int, int, int);
799 asmlinkage
long sys_socketpair(int, int, int, int __user
*);
800 asmlinkage
long sys_bind(int, struct sockaddr __user
*, int);
801 asmlinkage
long sys_listen(int, int);
802 asmlinkage
long sys_accept(int, struct sockaddr __user
*, int __user
*);
803 asmlinkage
long sys_connect(int, struct sockaddr __user
*, int);
804 asmlinkage
long sys_getsockname(int, struct sockaddr __user
*, int __user
*);
805 asmlinkage
long sys_getpeername(int, struct sockaddr __user
*, int __user
*);
806 asmlinkage
long sys_sendto(int, void __user
*, size_t, unsigned,
807 struct sockaddr __user
*, int);
808 asmlinkage
long sys_recvfrom(int, void __user
*, size_t, unsigned,
809 struct sockaddr __user
*, int __user
*);
810 asmlinkage
long sys_setsockopt(int fd
, int level
, int optname
,
811 char __user
*optval
, int optlen
);
812 asmlinkage
long sys_getsockopt(int fd
, int level
, int optname
,
813 char __user
*optval
, int __user
*optlen
);
814 asmlinkage
long sys_shutdown(int, int);
815 asmlinkage
long sys_sendmsg(int fd
, struct user_msghdr __user
*msg
, unsigned flags
);
816 asmlinkage
long sys_recvmsg(int fd
, struct user_msghdr __user
*msg
, unsigned flags
);
819 asmlinkage
long sys_readahead(int fd
, loff_t offset
, size_t count
);
821 /* mm/nommu.c, also with MMU */
822 asmlinkage
long sys_brk(unsigned long brk
);
823 asmlinkage
long sys_munmap(unsigned long addr
, size_t len
);
824 asmlinkage
long sys_mremap(unsigned long addr
,
825 unsigned long old_len
, unsigned long new_len
,
826 unsigned long flags
, unsigned long new_addr
);
828 /* security/keys/keyctl.c */
829 asmlinkage
long sys_add_key(const char __user
*_type
,
830 const char __user
*_description
,
831 const void __user
*_payload
,
833 key_serial_t destringid
);
834 asmlinkage
long sys_request_key(const char __user
*_type
,
835 const char __user
*_description
,
836 const char __user
*_callout_info
,
837 key_serial_t destringid
);
838 asmlinkage
long sys_keyctl(int cmd
, unsigned long arg2
, unsigned long arg3
,
839 unsigned long arg4
, unsigned long arg5
);
841 /* arch/example/kernel/sys_example.c */
842 #ifdef CONFIG_CLONE_BACKWARDS
843 asmlinkage
long sys_clone(unsigned long, unsigned long, int __user
*, unsigned long,
846 #ifdef CONFIG_CLONE_BACKWARDS3
847 asmlinkage
long sys_clone(unsigned long, unsigned long, int, int __user
*,
848 int __user
*, unsigned long);
850 asmlinkage
long sys_clone(unsigned long, unsigned long, int __user
*,
851 int __user
*, unsigned long);
855 asmlinkage
long sys_clone3(struct clone_args __user
*uargs
, size_t size
);
857 asmlinkage
long sys_execve(const char __user
*filename
,
858 const char __user
*const __user
*argv
,
859 const char __user
*const __user
*envp
);
862 asmlinkage
long sys_fadvise64_64(int fd
, loff_t offset
, loff_t len
, int advice
);
864 /* mm/, CONFIG_MMU only */
865 asmlinkage
long sys_swapon(const char __user
*specialfile
, int swap_flags
);
866 asmlinkage
long sys_swapoff(const char __user
*specialfile
);
867 asmlinkage
long sys_mprotect(unsigned long start
, size_t len
,
869 asmlinkage
long sys_msync(unsigned long start
, size_t len
, int flags
);
870 asmlinkage
long sys_mlock(unsigned long start
, size_t len
);
871 asmlinkage
long sys_munlock(unsigned long start
, size_t len
);
872 asmlinkage
long sys_mlockall(int flags
);
873 asmlinkage
long sys_munlockall(void);
874 asmlinkage
long sys_mincore(unsigned long start
, size_t len
,
875 unsigned char __user
* vec
);
876 asmlinkage
long sys_madvise(unsigned long start
, size_t len
, int behavior
);
877 asmlinkage
long sys_remap_file_pages(unsigned long start
, unsigned long size
,
878 unsigned long prot
, unsigned long pgoff
,
879 unsigned long flags
);
880 asmlinkage
long sys_mbind(unsigned long start
, unsigned long len
,
882 const unsigned long __user
*nmask
,
883 unsigned long maxnode
,
885 asmlinkage
long sys_get_mempolicy(int __user
*policy
,
886 unsigned long __user
*nmask
,
887 unsigned long maxnode
,
888 unsigned long addr
, unsigned long flags
);
889 asmlinkage
long sys_set_mempolicy(int mode
, const unsigned long __user
*nmask
,
890 unsigned long maxnode
);
891 asmlinkage
long sys_migrate_pages(pid_t pid
, unsigned long maxnode
,
892 const unsigned long __user
*from
,
893 const unsigned long __user
*to
);
894 asmlinkage
long sys_move_pages(pid_t pid
, unsigned long nr_pages
,
895 const void __user
* __user
*pages
,
896 const int __user
*nodes
,
900 asmlinkage
long sys_rt_tgsigqueueinfo(pid_t tgid
, pid_t pid
, int sig
,
901 siginfo_t __user
*uinfo
);
902 asmlinkage
long sys_perf_event_open(
903 struct perf_event_attr __user
*attr_uptr
,
904 pid_t pid
, int cpu
, int group_fd
, unsigned long flags
);
905 asmlinkage
long sys_accept4(int, struct sockaddr __user
*, int __user
*, int);
906 asmlinkage
long sys_recvmmsg(int fd
, struct mmsghdr __user
*msg
,
907 unsigned int vlen
, unsigned flags
,
908 struct __kernel_timespec __user
*timeout
);
909 asmlinkage
long sys_recvmmsg_time32(int fd
, struct mmsghdr __user
*msg
,
910 unsigned int vlen
, unsigned flags
,
911 struct old_timespec32 __user
*timeout
);
913 asmlinkage
long sys_wait4(pid_t pid
, int __user
*stat_addr
,
914 int options
, struct rusage __user
*ru
);
915 asmlinkage
long sys_prlimit64(pid_t pid
, unsigned int resource
,
916 const struct rlimit64 __user
*new_rlim
,
917 struct rlimit64 __user
*old_rlim
);
918 asmlinkage
long sys_fanotify_init(unsigned int flags
, unsigned int event_f_flags
);
919 asmlinkage
long sys_fanotify_mark(int fanotify_fd
, unsigned int flags
,
921 const char __user
*pathname
);
922 asmlinkage
long sys_name_to_handle_at(int dfd
, const char __user
*name
,
923 struct file_handle __user
*handle
,
924 int __user
*mnt_id
, int flag
);
925 asmlinkage
long sys_open_by_handle_at(int mountdirfd
,
926 struct file_handle __user
*handle
,
928 asmlinkage
long sys_clock_adjtime(clockid_t which_clock
,
929 struct __kernel_timex __user
*tx
);
930 asmlinkage
long sys_clock_adjtime32(clockid_t which_clock
,
931 struct old_timex32 __user
*tx
);
932 asmlinkage
long sys_syncfs(int fd
);
933 asmlinkage
long sys_setns(int fd
, int nstype
);
934 asmlinkage
long sys_pidfd_open(pid_t pid
, unsigned int flags
);
935 asmlinkage
long sys_sendmmsg(int fd
, struct mmsghdr __user
*msg
,
936 unsigned int vlen
, unsigned flags
);
937 asmlinkage
long sys_process_vm_readv(pid_t pid
,
938 const struct iovec __user
*lvec
,
939 unsigned long liovcnt
,
940 const struct iovec __user
*rvec
,
941 unsigned long riovcnt
,
942 unsigned long flags
);
943 asmlinkage
long sys_process_vm_writev(pid_t pid
,
944 const struct iovec __user
*lvec
,
945 unsigned long liovcnt
,
946 const struct iovec __user
*rvec
,
947 unsigned long riovcnt
,
948 unsigned long flags
);
949 asmlinkage
long sys_kcmp(pid_t pid1
, pid_t pid2
, int type
,
950 unsigned long idx1
, unsigned long idx2
);
951 asmlinkage
long sys_finit_module(int fd
, const char __user
*uargs
, int flags
);
952 asmlinkage
long sys_sched_setattr(pid_t pid
,
953 struct sched_attr __user
*attr
,
955 asmlinkage
long sys_sched_getattr(pid_t pid
,
956 struct sched_attr __user
*attr
,
959 asmlinkage
long sys_renameat2(int olddfd
, const char __user
*oldname
,
960 int newdfd
, const char __user
*newname
,
962 asmlinkage
long sys_seccomp(unsigned int op
, unsigned int flags
,
964 asmlinkage
long sys_getrandom(char __user
*buf
, size_t count
,
966 asmlinkage
long sys_memfd_create(const char __user
*uname_ptr
, unsigned int flags
);
967 asmlinkage
long sys_bpf(int cmd
, union bpf_attr
*attr
, unsigned int size
);
968 asmlinkage
long sys_execveat(int dfd
, const char __user
*filename
,
969 const char __user
*const __user
*argv
,
970 const char __user
*const __user
*envp
, int flags
);
971 asmlinkage
long sys_userfaultfd(int flags
);
972 asmlinkage
long sys_membarrier(int cmd
, int flags
);
973 asmlinkage
long sys_mlock2(unsigned long start
, size_t len
, int flags
);
974 asmlinkage
long sys_copy_file_range(int fd_in
, loff_t __user
*off_in
,
975 int fd_out
, loff_t __user
*off_out
,
976 size_t len
, unsigned int flags
);
977 asmlinkage
long sys_preadv2(unsigned long fd
, const struct iovec __user
*vec
,
978 unsigned long vlen
, unsigned long pos_l
, unsigned long pos_h
,
980 asmlinkage
long sys_pwritev2(unsigned long fd
, const struct iovec __user
*vec
,
981 unsigned long vlen
, unsigned long pos_l
, unsigned long pos_h
,
983 asmlinkage
long sys_pkey_mprotect(unsigned long start
, size_t len
,
984 unsigned long prot
, int pkey
);
985 asmlinkage
long sys_pkey_alloc(unsigned long flags
, unsigned long init_val
);
986 asmlinkage
long sys_pkey_free(int pkey
);
987 asmlinkage
long sys_statx(int dfd
, const char __user
*path
, unsigned flags
,
988 unsigned mask
, struct statx __user
*buffer
);
989 asmlinkage
long sys_rseq(struct rseq __user
*rseq
, uint32_t rseq_len
,
990 int flags
, uint32_t sig
);
991 asmlinkage
long sys_open_tree(int dfd
, const char __user
*path
, unsigned flags
);
992 asmlinkage
long sys_move_mount(int from_dfd
, const char __user
*from_path
,
993 int to_dfd
, const char __user
*to_path
,
994 unsigned int ms_flags
);
995 asmlinkage
long sys_fsopen(const char __user
*fs_name
, unsigned int flags
);
996 asmlinkage
long sys_fsconfig(int fs_fd
, unsigned int cmd
, const char __user
*key
,
997 const void __user
*value
, int aux
);
998 asmlinkage
long sys_fsmount(int fs_fd
, unsigned int flags
, unsigned int ms_flags
);
999 asmlinkage
long sys_fspick(int dfd
, const char __user
*path
, unsigned int flags
);
1000 asmlinkage
long sys_pidfd_send_signal(int pidfd
, int sig
,
1001 siginfo_t __user
*info
,
1002 unsigned int flags
);
1005 * Architecture-specific system calls
1008 /* arch/x86/kernel/ioport.c */
1009 asmlinkage
long sys_ioperm(unsigned long from
, unsigned long num
, int on
);
1011 /* pciconfig: alpha, arm, arm64, ia64, sparc */
1012 asmlinkage
long sys_pciconfig_read(unsigned long bus
, unsigned long dfn
,
1013 unsigned long off
, unsigned long len
,
1015 asmlinkage
long sys_pciconfig_write(unsigned long bus
, unsigned long dfn
,
1016 unsigned long off
, unsigned long len
,
1018 asmlinkage
long sys_pciconfig_iobase(long which
, unsigned long bus
, unsigned long devfn
);
1021 asmlinkage
long sys_spu_run(int fd
, __u32 __user
*unpc
,
1022 __u32 __user
*ustatus
);
1023 asmlinkage
long sys_spu_create(const char __user
*name
,
1024 unsigned int flags
, umode_t mode
, int fd
);
1028 * Deprecated system calls which are still defined in
1029 * include/uapi/asm-generic/unistd.h and wanted by >= 1 arch
1032 /* __ARCH_WANT_SYSCALL_NO_AT */
1033 asmlinkage
long sys_open(const char __user
*filename
,
1034 int flags
, umode_t mode
);
1035 asmlinkage
long sys_link(const char __user
*oldname
,
1036 const char __user
*newname
);
1037 asmlinkage
long sys_unlink(const char __user
*pathname
);
1038 asmlinkage
long sys_mknod(const char __user
*filename
, umode_t mode
,
1040 asmlinkage
long sys_chmod(const char __user
*filename
, umode_t mode
);
1041 asmlinkage
long sys_chown(const char __user
*filename
,
1042 uid_t user
, gid_t group
);
1043 asmlinkage
long sys_mkdir(const char __user
*pathname
, umode_t mode
);
1044 asmlinkage
long sys_rmdir(const char __user
*pathname
);
1045 asmlinkage
long sys_lchown(const char __user
*filename
,
1046 uid_t user
, gid_t group
);
1047 asmlinkage
long sys_access(const char __user
*filename
, int mode
);
1048 asmlinkage
long sys_rename(const char __user
*oldname
,
1049 const char __user
*newname
);
1050 asmlinkage
long sys_symlink(const char __user
*old
, const char __user
*new);
1051 #if defined(__ARCH_WANT_STAT64) || defined(__ARCH_WANT_COMPAT_STAT64)
1052 asmlinkage
long sys_stat64(const char __user
*filename
,
1053 struct stat64 __user
*statbuf
);
1054 asmlinkage
long sys_lstat64(const char __user
*filename
,
1055 struct stat64 __user
*statbuf
);
1058 /* __ARCH_WANT_SYSCALL_NO_FLAGS */
1059 asmlinkage
long sys_pipe(int __user
*fildes
);
1060 asmlinkage
long sys_dup2(unsigned int oldfd
, unsigned int newfd
);
1061 asmlinkage
long sys_epoll_create(int size
);
1062 asmlinkage
long sys_inotify_init(void);
1063 asmlinkage
long sys_eventfd(unsigned int count
);
1064 asmlinkage
long sys_signalfd(int ufd
, sigset_t __user
*user_mask
, size_t sizemask
);
1066 /* __ARCH_WANT_SYSCALL_OFF_T */
1067 asmlinkage
long sys_sendfile(int out_fd
, int in_fd
,
1068 off_t __user
*offset
, size_t count
);
1069 asmlinkage
long sys_newstat(const char __user
*filename
,
1070 struct stat __user
*statbuf
);
1071 asmlinkage
long sys_newlstat(const char __user
*filename
,
1072 struct stat __user
*statbuf
);
1073 asmlinkage
long sys_fadvise64(int fd
, loff_t offset
, size_t len
, int advice
);
1075 /* __ARCH_WANT_SYSCALL_DEPRECATED */
1076 asmlinkage
long sys_alarm(unsigned int seconds
);
1077 asmlinkage
long sys_getpgrp(void);
1078 asmlinkage
long sys_pause(void);
1079 asmlinkage
long sys_time(__kernel_old_time_t __user
*tloc
);
1080 asmlinkage
long sys_time32(old_time32_t __user
*tloc
);
1081 #ifdef __ARCH_WANT_SYS_UTIME
1082 asmlinkage
long sys_utime(char __user
*filename
,
1083 struct utimbuf __user
*times
);
1084 asmlinkage
long sys_utimes(char __user
*filename
,
1085 struct __kernel_old_timeval __user
*utimes
);
1086 asmlinkage
long sys_futimesat(int dfd
, const char __user
*filename
,
1087 struct __kernel_old_timeval __user
*utimes
);
1089 asmlinkage
long sys_futimesat_time32(unsigned int dfd
,
1090 const char __user
*filename
,
1091 struct old_timeval32 __user
*t
);
1092 asmlinkage
long sys_utime32(const char __user
*filename
,
1093 struct old_utimbuf32 __user
*t
);
1094 asmlinkage
long sys_utimes_time32(const char __user
*filename
,
1095 struct old_timeval32 __user
*t
);
1096 asmlinkage
long sys_creat(const char __user
*pathname
, umode_t mode
);
1097 asmlinkage
long sys_getdents(unsigned int fd
,
1098 struct linux_dirent __user
*dirent
,
1099 unsigned int count
);
1100 asmlinkage
long sys_select(int n
, fd_set __user
*inp
, fd_set __user
*outp
,
1101 fd_set __user
*exp
, struct __kernel_old_timeval __user
*tvp
);
1102 asmlinkage
long sys_poll(struct pollfd __user
*ufds
, unsigned int nfds
,
1104 asmlinkage
long sys_epoll_wait(int epfd
, struct epoll_event __user
*events
,
1105 int maxevents
, int timeout
);
1106 asmlinkage
long sys_ustat(unsigned dev
, struct ustat __user
*ubuf
);
1107 asmlinkage
long sys_vfork(void);
1108 asmlinkage
long sys_recv(int, void __user
*, size_t, unsigned);
1109 asmlinkage
long sys_send(int, void __user
*, size_t, unsigned);
1110 asmlinkage
long sys_bdflush(int func
, long data
);
1111 asmlinkage
long sys_oldumount(char __user
*name
);
1112 asmlinkage
long sys_uselib(const char __user
*library
);
1113 asmlinkage
long sys_sysctl(struct __sysctl_args __user
*args
);
1114 asmlinkage
long sys_sysfs(int option
,
1115 unsigned long arg1
, unsigned long arg2
);
1116 asmlinkage
long sys_fork(void);
1118 /* obsolete: kernel/time/time.c */
1119 asmlinkage
long sys_stime(__kernel_old_time_t __user
*tptr
);
1120 asmlinkage
long sys_stime32(old_time32_t __user
*tptr
);
1122 /* obsolete: kernel/signal.c */
1123 asmlinkage
long sys_sigpending(old_sigset_t __user
*uset
);
1124 asmlinkage
long sys_sigprocmask(int how
, old_sigset_t __user
*set
,
1125 old_sigset_t __user
*oset
);
1126 #ifdef CONFIG_OLD_SIGSUSPEND
1127 asmlinkage
long sys_sigsuspend(old_sigset_t mask
);
1130 #ifdef CONFIG_OLD_SIGSUSPEND3
1131 asmlinkage
long sys_sigsuspend(int unused1
, int unused2
, old_sigset_t mask
);
1134 #ifdef CONFIG_OLD_SIGACTION
1135 asmlinkage
long sys_sigaction(int, const struct old_sigaction __user
*,
1136 struct old_sigaction __user
*);
1138 asmlinkage
long sys_sgetmask(void);
1139 asmlinkage
long sys_ssetmask(int newmask
);
1140 asmlinkage
long sys_signal(int sig
, __sighandler_t handler
);
1142 /* obsolete: kernel/sched/core.c */
1143 asmlinkage
long sys_nice(int increment
);
1145 /* obsolete: kernel/kexec_file.c */
1146 asmlinkage
long sys_kexec_file_load(int kernel_fd
, int initrd_fd
,
1147 unsigned long cmdline_len
,
1148 const char __user
*cmdline_ptr
,
1149 unsigned long flags
);
1151 /* obsolete: kernel/exit.c */
1152 asmlinkage
long sys_waitpid(pid_t pid
, int __user
*stat_addr
, int options
);
1154 /* obsolete: kernel/uid16.c */
1155 #ifdef CONFIG_HAVE_UID16
1156 asmlinkage
long sys_chown16(const char __user
*filename
,
1157 old_uid_t user
, old_gid_t group
);
1158 asmlinkage
long sys_lchown16(const char __user
*filename
,
1159 old_uid_t user
, old_gid_t group
);
1160 asmlinkage
long sys_fchown16(unsigned int fd
, old_uid_t user
, old_gid_t group
);
1161 asmlinkage
long sys_setregid16(old_gid_t rgid
, old_gid_t egid
);
1162 asmlinkage
long sys_setgid16(old_gid_t gid
);
1163 asmlinkage
long sys_setreuid16(old_uid_t ruid
, old_uid_t euid
);
1164 asmlinkage
long sys_setuid16(old_uid_t uid
);
1165 asmlinkage
long sys_setresuid16(old_uid_t ruid
, old_uid_t euid
, old_uid_t suid
);
1166 asmlinkage
long sys_getresuid16(old_uid_t __user
*ruid
,
1167 old_uid_t __user
*euid
, old_uid_t __user
*suid
);
1168 asmlinkage
long sys_setresgid16(old_gid_t rgid
, old_gid_t egid
, old_gid_t sgid
);
1169 asmlinkage
long sys_getresgid16(old_gid_t __user
*rgid
,
1170 old_gid_t __user
*egid
, old_gid_t __user
*sgid
);
1171 asmlinkage
long sys_setfsuid16(old_uid_t uid
);
1172 asmlinkage
long sys_setfsgid16(old_gid_t gid
);
1173 asmlinkage
long sys_getgroups16(int gidsetsize
, old_gid_t __user
*grouplist
);
1174 asmlinkage
long sys_setgroups16(int gidsetsize
, old_gid_t __user
*grouplist
);
1175 asmlinkage
long sys_getuid16(void);
1176 asmlinkage
long sys_geteuid16(void);
1177 asmlinkage
long sys_getgid16(void);
1178 asmlinkage
long sys_getegid16(void);
1181 /* obsolete: net/socket.c */
1182 asmlinkage
long sys_socketcall(int call
, unsigned long __user
*args
);
1184 /* obsolete: fs/stat.c */
1185 asmlinkage
long sys_stat(const char __user
*filename
,
1186 struct __old_kernel_stat __user
*statbuf
);
1187 asmlinkage
long sys_lstat(const char __user
*filename
,
1188 struct __old_kernel_stat __user
*statbuf
);
1189 asmlinkage
long sys_fstat(unsigned int fd
,
1190 struct __old_kernel_stat __user
*statbuf
);
1191 asmlinkage
long sys_readlink(const char __user
*path
,
1192 char __user
*buf
, int bufsiz
);
1194 /* obsolete: fs/select.c */
1195 asmlinkage
long sys_old_select(struct sel_arg_struct __user
*arg
);
1197 /* obsolete: fs/readdir.c */
1198 asmlinkage
long sys_old_readdir(unsigned int, struct old_linux_dirent __user
*, unsigned int);
1200 /* obsolete: kernel/sys.c */
1201 asmlinkage
long sys_gethostname(char __user
*name
, int len
);
1202 asmlinkage
long sys_uname(struct old_utsname __user
*);
1203 asmlinkage
long sys_olduname(struct oldold_utsname __user
*);
1204 #ifdef __ARCH_WANT_SYS_OLD_GETRLIMIT
1205 asmlinkage
long sys_old_getrlimit(unsigned int resource
, struct rlimit __user
*rlim
);
1209 asmlinkage
long sys_ipc(unsigned int call
, int first
, unsigned long second
,
1210 unsigned long third
, void __user
*ptr
, long fifth
);
1213 asmlinkage
long sys_mmap_pgoff(unsigned long addr
, unsigned long len
,
1214 unsigned long prot
, unsigned long flags
,
1215 unsigned long fd
, unsigned long pgoff
);
1216 asmlinkage
long sys_old_mmap(struct mmap_arg_struct __user
*arg
);
1220 * Not a real system call, but a placeholder for syscalls which are
1221 * not implemented -- see kernel/sys_ni.c
1223 asmlinkage
long sys_ni_syscall(void);
1225 #endif /* CONFIG_ARCH_HAS_SYSCALL_WRAPPER */
1229 * Kernel code should not call syscalls (i.e., sys_xyzyyz()) directly.
1230 * Instead, use one of the functions which work equivalently, such as
1231 * the ksys_xyzyyz() functions prototyped below.
1234 int ksys_umount(char __user
*name
, int flags
);
1235 int ksys_dup(unsigned int fildes
);
1236 int ksys_chroot(const char __user
*filename
);
1237 ssize_t
ksys_write(unsigned int fd
, const char __user
*buf
, size_t count
);
1238 int ksys_chdir(const char __user
*filename
);
1239 int ksys_fchmod(unsigned int fd
, umode_t mode
);
1240 int ksys_fchown(unsigned int fd
, uid_t user
, gid_t group
);
1241 int ksys_getdents64(unsigned int fd
, struct linux_dirent64 __user
*dirent
,
1242 unsigned int count
);
1243 int ksys_ioctl(unsigned int fd
, unsigned int cmd
, unsigned long arg
);
1244 off_t
ksys_lseek(unsigned int fd
, off_t offset
, unsigned int whence
);
1245 ssize_t
ksys_read(unsigned int fd
, char __user
*buf
, size_t count
);
1246 void ksys_sync(void);
1247 int ksys_unshare(unsigned long unshare_flags
);
1248 int ksys_setsid(void);
1249 int ksys_sync_file_range(int fd
, loff_t offset
, loff_t nbytes
,
1250 unsigned int flags
);
1251 ssize_t
ksys_pread64(unsigned int fd
, char __user
*buf
, size_t count
,
1253 ssize_t
ksys_pwrite64(unsigned int fd
, const char __user
*buf
,
1254 size_t count
, loff_t pos
);
1255 int ksys_fallocate(int fd
, int mode
, loff_t offset
, loff_t len
);
1256 #ifdef CONFIG_ADVISE_SYSCALLS
1257 int ksys_fadvise64_64(int fd
, loff_t offset
, loff_t len
, int advice
);
1259 static inline int ksys_fadvise64_64(int fd
, loff_t offset
, loff_t len
,
1265 unsigned long ksys_mmap_pgoff(unsigned long addr
, unsigned long len
,
1266 unsigned long prot
, unsigned long flags
,
1267 unsigned long fd
, unsigned long pgoff
);
1268 ssize_t
ksys_readahead(int fd
, loff_t offset
, size_t count
);
1269 int ksys_ipc(unsigned int call
, int first
, unsigned long second
,
1270 unsigned long third
, void __user
* ptr
, long fifth
);
1271 int compat_ksys_ipc(u32 call
, int first
, int second
,
1272 u32 third
, u32 ptr
, u32 fifth
);
1275 * The following kernel syscall equivalents are just wrappers to fs-internal
1276 * functions. Therefore, provide stubs to be inlined at the callsites.
1278 extern long do_unlinkat(int dfd
, struct filename
*name
);
1280 static inline long ksys_unlink(const char __user
*pathname
)
1282 return do_unlinkat(AT_FDCWD
, getname(pathname
));
1285 extern long do_rmdir(int dfd
, const char __user
*pathname
);
1287 static inline long ksys_rmdir(const char __user
*pathname
)
1289 return do_rmdir(AT_FDCWD
, pathname
);
1292 extern long do_mkdirat(int dfd
, const char __user
*pathname
, umode_t mode
);
1294 static inline long ksys_mkdir(const char __user
*pathname
, umode_t mode
)
1296 return do_mkdirat(AT_FDCWD
, pathname
, mode
);
1299 extern long do_symlinkat(const char __user
*oldname
, int newdfd
,
1300 const char __user
*newname
);
1302 static inline long ksys_symlink(const char __user
*oldname
,
1303 const char __user
*newname
)
1305 return do_symlinkat(oldname
, AT_FDCWD
, newname
);
1308 extern long do_mknodat(int dfd
, const char __user
*filename
, umode_t mode
,
1311 static inline long ksys_mknod(const char __user
*filename
, umode_t mode
,
1314 return do_mknodat(AT_FDCWD
, filename
, mode
, dev
);
1317 extern int do_linkat(int olddfd
, const char __user
*oldname
, int newdfd
,
1318 const char __user
*newname
, int flags
);
1320 static inline long ksys_link(const char __user
*oldname
,
1321 const char __user
*newname
)
1323 return do_linkat(AT_FDCWD
, oldname
, AT_FDCWD
, newname
, 0);
1326 extern int do_fchmodat(int dfd
, const char __user
*filename
, umode_t mode
);
1328 static inline int ksys_chmod(const char __user
*filename
, umode_t mode
)
1330 return do_fchmodat(AT_FDCWD
, filename
, mode
);
1333 extern long do_faccessat(int dfd
, const char __user
*filename
, int mode
);
1335 static inline long ksys_access(const char __user
*filename
, int mode
)
1337 return do_faccessat(AT_FDCWD
, filename
, mode
);
1340 extern int do_fchownat(int dfd
, const char __user
*filename
, uid_t user
,
1341 gid_t group
, int flag
);
1343 static inline long ksys_chown(const char __user
*filename
, uid_t user
,
1346 return do_fchownat(AT_FDCWD
, filename
, user
, group
, 0);
1349 static inline long ksys_lchown(const char __user
*filename
, uid_t user
,
1352 return do_fchownat(AT_FDCWD
, filename
, user
, group
,
1353 AT_SYMLINK_NOFOLLOW
);
1356 extern long do_sys_ftruncate(unsigned int fd
, loff_t length
, int small
);
1358 static inline long ksys_ftruncate(unsigned int fd
, unsigned long length
)
1360 return do_sys_ftruncate(fd
, length
, 1);
1363 extern int __close_fd(struct files_struct
*files
, unsigned int fd
);
1366 * In contrast to sys_close(), this stub does not check whether the syscall
1367 * should or should not be restarted, but returns the raw error codes from
1370 static inline int ksys_close(unsigned int fd
)
1372 return __close_fd(current
->files
, fd
);
1375 extern long do_sys_open(int dfd
, const char __user
*filename
, int flags
,
1378 static inline long ksys_open(const char __user
*filename
, int flags
,
1381 if (force_o_largefile())
1382 flags
|= O_LARGEFILE
;
1383 return do_sys_open(AT_FDCWD
, filename
, flags
, mode
);
1386 extern long do_sys_truncate(const char __user
*pathname
, loff_t length
);
1388 static inline long ksys_truncate(const char __user
*pathname
, loff_t length
)
1390 return do_sys_truncate(pathname
, length
);
1393 static inline unsigned int ksys_personality(unsigned int personality
)
1395 unsigned int old
= current
->personality
;
1397 if (personality
!= 0xffffffff)
1398 set_personality(personality
);
1403 /* for __ARCH_WANT_SYS_IPC */
1404 long ksys_semtimedop(int semid
, struct sembuf __user
*tsops
,
1406 const struct __kernel_timespec __user
*timeout
);
1407 long ksys_semget(key_t key
, int nsems
, int semflg
);
1408 long ksys_old_semctl(int semid
, int semnum
, int cmd
, unsigned long arg
);
1409 long ksys_msgget(key_t key
, int msgflg
);
1410 long ksys_old_msgctl(int msqid
, int cmd
, struct msqid_ds __user
*buf
);
1411 long ksys_msgrcv(int msqid
, struct msgbuf __user
*msgp
, size_t msgsz
,
1412 long msgtyp
, int msgflg
);
1413 long ksys_msgsnd(int msqid
, struct msgbuf __user
*msgp
, size_t msgsz
,
1415 long ksys_shmget(key_t key
, size_t size
, int shmflg
);
1416 long ksys_shmdt(char __user
*shmaddr
);
1417 long ksys_old_shmctl(int shmid
, int cmd
, struct shmid_ds __user
*buf
);
1418 long compat_ksys_semtimedop(int semid
, struct sembuf __user
*tsems
,
1420 const struct old_timespec32 __user
*timeout
);