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
;
55 struct __kernel_timex
;
62 struct robust_list_head
;
64 struct old_linux_dirent
;
65 struct perf_event_attr
;
70 struct io_uring_params
;
72 #include <linux/types.h>
73 #include <linux/aio_abi.h>
74 #include <linux/capability.h>
75 #include <linux/signal.h>
76 #include <linux/list.h>
77 #include <linux/bug.h>
78 #include <linux/sem.h>
79 #include <asm/siginfo.h>
80 #include <linux/unistd.h>
81 #include <linux/quota.h>
82 #include <linux/key.h>
83 #include <linux/personality.h>
84 #include <trace/syscall.h>
86 #ifdef CONFIG_ARCH_HAS_SYSCALL_WRAPPER
88 * It may be useful for an architecture to override the definitions of the
89 * SYSCALL_DEFINE0() and __SYSCALL_DEFINEx() macros, in particular to use a
90 * different calling convention for syscalls. To allow for that, the prototypes
91 * for the sys_*() functions below will *not* be included if
92 * CONFIG_ARCH_HAS_SYSCALL_WRAPPER is enabled.
94 #include <asm/syscall_wrapper.h>
95 #endif /* CONFIG_ARCH_HAS_SYSCALL_WRAPPER */
98 * __MAP - apply a macro to syscall arguments
99 * __MAP(n, m, t1, a1, t2, a2, ..., tn, an) will expand to
100 * m(t1, a1), m(t2, a2), ..., m(tn, an)
101 * The first argument must be equal to the amount of type/name
102 * pairs given. Note that this list of pairs (i.e. the arguments
103 * of __MAP starting at the third one) is in the same format as
104 * for SYSCALL_DEFINE<n>/COMPAT_SYSCALL_DEFINE<n>
106 #define __MAP0(m,...)
107 #define __MAP1(m,t,a,...) m(t,a)
108 #define __MAP2(m,t,a,...) m(t,a), __MAP1(m,__VA_ARGS__)
109 #define __MAP3(m,t,a,...) m(t,a), __MAP2(m,__VA_ARGS__)
110 #define __MAP4(m,t,a,...) m(t,a), __MAP3(m,__VA_ARGS__)
111 #define __MAP5(m,t,a,...) m(t,a), __MAP4(m,__VA_ARGS__)
112 #define __MAP6(m,t,a,...) m(t,a), __MAP5(m,__VA_ARGS__)
113 #define __MAP(n,...) __MAP##n(__VA_ARGS__)
115 #define __SC_DECL(t, a) t a
116 #define __TYPE_AS(t, v) __same_type((__force t)0, v)
117 #define __TYPE_IS_L(t) (__TYPE_AS(t, 0L))
118 #define __TYPE_IS_UL(t) (__TYPE_AS(t, 0UL))
119 #define __TYPE_IS_LL(t) (__TYPE_AS(t, 0LL) || __TYPE_AS(t, 0ULL))
120 #define __SC_LONG(t, a) __typeof(__builtin_choose_expr(__TYPE_IS_LL(t), 0LL, 0L)) a
121 #define __SC_CAST(t, a) (__force t) a
122 #define __SC_ARGS(t, a) a
123 #define __SC_TEST(t, a) (void)BUILD_BUG_ON_ZERO(!__TYPE_IS_LL(t) && sizeof(t) > sizeof(long))
125 #ifdef CONFIG_FTRACE_SYSCALLS
126 #define __SC_STR_ADECL(t, a) #a
127 #define __SC_STR_TDECL(t, a) #t
129 extern struct trace_event_class event_class_syscall_enter
;
130 extern struct trace_event_class event_class_syscall_exit
;
131 extern struct trace_event_functions enter_syscall_print_funcs
;
132 extern struct trace_event_functions exit_syscall_print_funcs
;
134 #define SYSCALL_TRACE_ENTER_EVENT(sname) \
135 static struct syscall_metadata __syscall_meta_##sname; \
136 static struct trace_event_call __used \
137 event_enter_##sname = { \
138 .class = &event_class_syscall_enter, \
140 .name = "sys_enter"#sname, \
142 .event.funcs = &enter_syscall_print_funcs, \
143 .data = (void *)&__syscall_meta_##sname,\
144 .flags = TRACE_EVENT_FL_CAP_ANY, \
146 static struct trace_event_call __used \
147 __attribute__((section("_ftrace_events"))) \
148 *__event_enter_##sname = &event_enter_##sname;
150 #define SYSCALL_TRACE_EXIT_EVENT(sname) \
151 static struct syscall_metadata __syscall_meta_##sname; \
152 static struct trace_event_call __used \
153 event_exit_##sname = { \
154 .class = &event_class_syscall_exit, \
156 .name = "sys_exit"#sname, \
158 .event.funcs = &exit_syscall_print_funcs, \
159 .data = (void *)&__syscall_meta_##sname,\
160 .flags = TRACE_EVENT_FL_CAP_ANY, \
162 static struct trace_event_call __used \
163 __attribute__((section("_ftrace_events"))) \
164 *__event_exit_##sname = &event_exit_##sname;
166 #define SYSCALL_METADATA(sname, nb, ...) \
167 static const char *types_##sname[] = { \
168 __MAP(nb,__SC_STR_TDECL,__VA_ARGS__) \
170 static const char *args_##sname[] = { \
171 __MAP(nb,__SC_STR_ADECL,__VA_ARGS__) \
173 SYSCALL_TRACE_ENTER_EVENT(sname); \
174 SYSCALL_TRACE_EXIT_EVENT(sname); \
175 static struct syscall_metadata __used \
176 __syscall_meta_##sname = { \
177 .name = "sys"#sname, \
178 .syscall_nr = -1, /* Filled in at boot */ \
180 .types = nb ? types_##sname : NULL, \
181 .args = nb ? args_##sname : NULL, \
182 .enter_event = &event_enter_##sname, \
183 .exit_event = &event_exit_##sname, \
184 .enter_fields = LIST_HEAD_INIT(__syscall_meta_##sname.enter_fields), \
186 static struct syscall_metadata __used \
187 __attribute__((section("__syscalls_metadata"))) \
188 *__p_syscall_meta_##sname = &__syscall_meta_##sname;
190 static inline int is_syscall_trace_event(struct trace_event_call
*tp_event
)
192 return tp_event
->class == &event_class_syscall_enter
||
193 tp_event
->class == &event_class_syscall_exit
;
197 #define SYSCALL_METADATA(sname, nb, ...)
199 static inline int is_syscall_trace_event(struct trace_event_call
*tp_event
)
205 #ifndef SYSCALL_DEFINE0
206 #define SYSCALL_DEFINE0(sname) \
207 SYSCALL_METADATA(_##sname, 0); \
208 asmlinkage long sys_##sname(void); \
209 ALLOW_ERROR_INJECTION(sys_##sname, ERRNO); \
210 asmlinkage long sys_##sname(void)
211 #endif /* SYSCALL_DEFINE0 */
213 #define SYSCALL_DEFINE1(name, ...) SYSCALL_DEFINEx(1, _##name, __VA_ARGS__)
214 #define SYSCALL_DEFINE2(name, ...) SYSCALL_DEFINEx(2, _##name, __VA_ARGS__)
215 #define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__)
216 #define SYSCALL_DEFINE4(name, ...) SYSCALL_DEFINEx(4, _##name, __VA_ARGS__)
217 #define SYSCALL_DEFINE5(name, ...) SYSCALL_DEFINEx(5, _##name, __VA_ARGS__)
218 #define SYSCALL_DEFINE6(name, ...) SYSCALL_DEFINEx(6, _##name, __VA_ARGS__)
220 #define SYSCALL_DEFINE_MAXARGS 6
222 #define SYSCALL_DEFINEx(x, sname, ...) \
223 SYSCALL_METADATA(sname, x, __VA_ARGS__) \
224 __SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
226 #define __PROTECT(...) asmlinkage_protect(__VA_ARGS__)
229 * The asmlinkage stub is aliased to a function named __se_sys_*() which
230 * sign-extends 32-bit ints to longs whenever needed. The actual work is
231 * done within __do_sys_*().
233 #ifndef __SYSCALL_DEFINEx
234 #define __SYSCALL_DEFINEx(x, name, ...) \
236 __diag_ignore(GCC, 8, "-Wattribute-alias", \
237 "Type aliasing is used to sanitize syscall arguments");\
238 asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \
239 __attribute__((alias(__stringify(__se_sys##name)))); \
240 ALLOW_ERROR_INJECTION(sys##name, ERRNO); \
241 static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));\
242 asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \
243 asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
245 long ret = __do_sys##name(__MAP(x,__SC_CAST,__VA_ARGS__));\
246 __MAP(x,__SC_TEST,__VA_ARGS__); \
247 __PROTECT(x, ret,__MAP(x,__SC_ARGS,__VA_ARGS__)); \
251 static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))
252 #endif /* __SYSCALL_DEFINEx */
255 * Called before coming back to user-mode. Returning to user-mode with an
256 * address limit different than USER_DS can allow to overwrite kernel memory.
258 static inline void addr_limit_user_check(void)
261 if (!test_thread_flag(TIF_FSCHECK
))
265 if (CHECK_DATA_CORRUPTION(!segment_eq(get_fs(), USER_DS
),
266 "Invalid address limit on user-mode return"))
267 force_sig(SIGKILL
, current
);
270 clear_thread_flag(TIF_FSCHECK
);
275 * These syscall function prototypes are kept in the same order as
276 * include/uapi/asm-generic/unistd.h. Architecture specific entries go below,
277 * followed by deprecated or obsolete system calls.
279 * Please note that these prototypes here are only provided for information
280 * purposes, for static analysis, and for linking from the syscall table.
281 * These functions should not be called elsewhere from kernel code.
283 * As the syscall calling convention may be different from the default
284 * for architectures overriding the syscall calling convention, do not
285 * include the prototypes if CONFIG_ARCH_HAS_SYSCALL_WRAPPER is enabled.
287 #ifndef CONFIG_ARCH_HAS_SYSCALL_WRAPPER
288 asmlinkage
long sys_io_setup(unsigned nr_reqs
, aio_context_t __user
*ctx
);
289 asmlinkage
long sys_io_destroy(aio_context_t ctx
);
290 asmlinkage
long sys_io_submit(aio_context_t
, long,
291 struct iocb __user
* __user
*);
292 asmlinkage
long sys_io_cancel(aio_context_t ctx_id
, struct iocb __user
*iocb
,
293 struct io_event __user
*result
);
294 asmlinkage
long sys_io_getevents(aio_context_t ctx_id
,
297 struct io_event __user
*events
,
298 struct __kernel_timespec __user
*timeout
);
299 asmlinkage
long sys_io_getevents_time32(__u32 ctx_id
,
302 struct io_event __user
*events
,
303 struct old_timespec32 __user
*timeout
);
304 asmlinkage
long sys_io_pgetevents(aio_context_t ctx_id
,
307 struct io_event __user
*events
,
308 struct __kernel_timespec __user
*timeout
,
309 const struct __aio_sigset
*sig
);
310 asmlinkage
long sys_io_pgetevents_time32(aio_context_t ctx_id
,
313 struct io_event __user
*events
,
314 struct old_timespec32 __user
*timeout
,
315 const struct __aio_sigset
*sig
);
316 asmlinkage
long sys_io_uring_setup(u32 entries
,
317 struct io_uring_params __user
*p
);
318 asmlinkage
long sys_io_uring_enter(unsigned int fd
, u32 to_submit
,
319 u32 min_complete
, u32 flags
,
320 const sigset_t __user
*sig
, size_t sigsz
);
321 asmlinkage
long sys_io_uring_register(unsigned int fd
, unsigned int op
,
322 void __user
*arg
, unsigned int nr_args
);
325 asmlinkage
long sys_setxattr(const char __user
*path
, const char __user
*name
,
326 const void __user
*value
, size_t size
, int flags
);
327 asmlinkage
long sys_lsetxattr(const char __user
*path
, const char __user
*name
,
328 const void __user
*value
, size_t size
, int flags
);
329 asmlinkage
long sys_fsetxattr(int fd
, const char __user
*name
,
330 const void __user
*value
, size_t size
, int flags
);
331 asmlinkage
long sys_getxattr(const char __user
*path
, const char __user
*name
,
332 void __user
*value
, size_t size
);
333 asmlinkage
long sys_lgetxattr(const char __user
*path
, const char __user
*name
,
334 void __user
*value
, size_t size
);
335 asmlinkage
long sys_fgetxattr(int fd
, const char __user
*name
,
336 void __user
*value
, size_t size
);
337 asmlinkage
long sys_listxattr(const char __user
*path
, char __user
*list
,
339 asmlinkage
long sys_llistxattr(const char __user
*path
, char __user
*list
,
341 asmlinkage
long sys_flistxattr(int fd
, char __user
*list
, size_t size
);
342 asmlinkage
long sys_removexattr(const char __user
*path
,
343 const char __user
*name
);
344 asmlinkage
long sys_lremovexattr(const char __user
*path
,
345 const char __user
*name
);
346 asmlinkage
long sys_fremovexattr(int fd
, const char __user
*name
);
349 asmlinkage
long sys_getcwd(char __user
*buf
, unsigned long size
);
352 asmlinkage
long sys_lookup_dcookie(u64 cookie64
, char __user
*buf
, size_t len
);
355 asmlinkage
long sys_eventfd2(unsigned int count
, int flags
);
358 asmlinkage
long sys_epoll_create1(int flags
);
359 asmlinkage
long sys_epoll_ctl(int epfd
, int op
, int fd
,
360 struct epoll_event __user
*event
);
361 asmlinkage
long sys_epoll_pwait(int epfd
, struct epoll_event __user
*events
,
362 int maxevents
, int timeout
,
363 const sigset_t __user
*sigmask
,
367 asmlinkage
long sys_dup(unsigned int fildes
);
368 asmlinkage
long sys_dup3(unsigned int oldfd
, unsigned int newfd
, int flags
);
369 asmlinkage
long sys_fcntl(unsigned int fd
, unsigned int cmd
, unsigned long arg
);
370 #if BITS_PER_LONG == 32
371 asmlinkage
long sys_fcntl64(unsigned int fd
,
372 unsigned int cmd
, unsigned long arg
);
375 /* fs/inotify_user.c */
376 asmlinkage
long sys_inotify_init1(int flags
);
377 asmlinkage
long sys_inotify_add_watch(int fd
, const char __user
*path
,
379 asmlinkage
long sys_inotify_rm_watch(int fd
, __s32 wd
);
382 asmlinkage
long sys_ioctl(unsigned int fd
, unsigned int cmd
,
386 asmlinkage
long sys_ioprio_set(int which
, int who
, int ioprio
);
387 asmlinkage
long sys_ioprio_get(int which
, int who
);
390 asmlinkage
long sys_flock(unsigned int fd
, unsigned int cmd
);
393 asmlinkage
long sys_mknodat(int dfd
, const char __user
* filename
, umode_t mode
,
395 asmlinkage
long sys_mkdirat(int dfd
, const char __user
* pathname
, umode_t mode
);
396 asmlinkage
long sys_unlinkat(int dfd
, const char __user
* pathname
, int flag
);
397 asmlinkage
long sys_symlinkat(const char __user
* oldname
,
398 int newdfd
, const char __user
* newname
);
399 asmlinkage
long sys_linkat(int olddfd
, const char __user
*oldname
,
400 int newdfd
, const char __user
*newname
, int flags
);
401 asmlinkage
long sys_renameat(int olddfd
, const char __user
* oldname
,
402 int newdfd
, const char __user
* newname
);
405 asmlinkage
long sys_umount(char __user
*name
, int flags
);
406 asmlinkage
long sys_mount(char __user
*dev_name
, char __user
*dir_name
,
407 char __user
*type
, unsigned long flags
,
409 asmlinkage
long sys_pivot_root(const char __user
*new_root
,
410 const char __user
*put_old
);
415 asmlinkage
long sys_statfs(const char __user
* path
,
416 struct statfs __user
*buf
);
417 asmlinkage
long sys_statfs64(const char __user
*path
, size_t sz
,
418 struct statfs64 __user
*buf
);
419 asmlinkage
long sys_fstatfs(unsigned int fd
, struct statfs __user
*buf
);
420 asmlinkage
long sys_fstatfs64(unsigned int fd
, size_t sz
,
421 struct statfs64 __user
*buf
);
422 asmlinkage
long sys_truncate(const char __user
*path
, long length
);
423 asmlinkage
long sys_ftruncate(unsigned int fd
, unsigned long length
);
424 #if BITS_PER_LONG == 32
425 asmlinkage
long sys_truncate64(const char __user
*path
, loff_t length
);
426 asmlinkage
long sys_ftruncate64(unsigned int fd
, loff_t length
);
428 asmlinkage
long sys_fallocate(int fd
, int mode
, loff_t offset
, loff_t len
);
429 asmlinkage
long sys_faccessat(int dfd
, const char __user
*filename
, int mode
);
430 asmlinkage
long sys_chdir(const char __user
*filename
);
431 asmlinkage
long sys_fchdir(unsigned int fd
);
432 asmlinkage
long sys_chroot(const char __user
*filename
);
433 asmlinkage
long sys_fchmod(unsigned int fd
, umode_t mode
);
434 asmlinkage
long sys_fchmodat(int dfd
, const char __user
* filename
,
436 asmlinkage
long sys_fchownat(int dfd
, const char __user
*filename
, uid_t user
,
437 gid_t group
, int flag
);
438 asmlinkage
long sys_fchown(unsigned int fd
, uid_t user
, gid_t group
);
439 asmlinkage
long sys_openat(int dfd
, const char __user
*filename
, int flags
,
441 asmlinkage
long sys_close(unsigned int fd
);
442 asmlinkage
long sys_vhangup(void);
445 asmlinkage
long sys_pipe2(int __user
*fildes
, int flags
);
448 asmlinkage
long sys_quotactl(unsigned int cmd
, const char __user
*special
,
449 qid_t id
, void __user
*addr
);
452 asmlinkage
long sys_getdents64(unsigned int fd
,
453 struct linux_dirent64 __user
*dirent
,
456 /* fs/read_write.c */
457 asmlinkage
long sys_llseek(unsigned int fd
, unsigned long offset_high
,
458 unsigned long offset_low
, loff_t __user
*result
,
459 unsigned int whence
);
460 asmlinkage
long sys_lseek(unsigned int fd
, off_t offset
,
461 unsigned int whence
);
462 asmlinkage
long sys_read(unsigned int fd
, char __user
*buf
, size_t count
);
463 asmlinkage
long sys_write(unsigned int fd
, const char __user
*buf
,
465 asmlinkage
long sys_readv(unsigned long fd
,
466 const struct iovec __user
*vec
,
468 asmlinkage
long sys_writev(unsigned long fd
,
469 const struct iovec __user
*vec
,
471 asmlinkage
long sys_pread64(unsigned int fd
, char __user
*buf
,
472 size_t count
, loff_t pos
);
473 asmlinkage
long sys_pwrite64(unsigned int fd
, const char __user
*buf
,
474 size_t count
, loff_t pos
);
475 asmlinkage
long sys_preadv(unsigned long fd
, const struct iovec __user
*vec
,
476 unsigned long vlen
, unsigned long pos_l
, unsigned long pos_h
);
477 asmlinkage
long sys_pwritev(unsigned long fd
, const struct iovec __user
*vec
,
478 unsigned long vlen
, unsigned long pos_l
, unsigned long pos_h
);
481 asmlinkage
long sys_sendfile64(int out_fd
, int in_fd
,
482 loff_t __user
*offset
, size_t count
);
485 asmlinkage
long sys_pselect6(int, fd_set __user
*, fd_set __user
*,
486 fd_set __user
*, struct __kernel_timespec __user
*,
488 asmlinkage
long sys_pselect6_time32(int, fd_set __user
*, fd_set __user
*,
489 fd_set __user
*, struct old_timespec32 __user
*,
491 asmlinkage
long sys_ppoll(struct pollfd __user
*, unsigned int,
492 struct __kernel_timespec __user
*, const sigset_t __user
*,
494 asmlinkage
long sys_ppoll_time32(struct pollfd __user
*, unsigned int,
495 struct old_timespec32 __user
*, const sigset_t __user
*,
499 asmlinkage
long sys_signalfd4(int ufd
, sigset_t __user
*user_mask
, size_t sizemask
, int flags
);
502 asmlinkage
long sys_vmsplice(int fd
, const struct iovec __user
*iov
,
503 unsigned long nr_segs
, unsigned int flags
);
504 asmlinkage
long sys_splice(int fd_in
, loff_t __user
*off_in
,
505 int fd_out
, loff_t __user
*off_out
,
506 size_t len
, unsigned int flags
);
507 asmlinkage
long sys_tee(int fdin
, int fdout
, size_t len
, unsigned int flags
);
510 asmlinkage
long sys_readlinkat(int dfd
, const char __user
*path
, char __user
*buf
,
512 asmlinkage
long sys_newfstatat(int dfd
, const char __user
*filename
,
513 struct stat __user
*statbuf
, int flag
);
514 asmlinkage
long sys_newfstat(unsigned int fd
, struct stat __user
*statbuf
);
515 #if defined(__ARCH_WANT_STAT64) || defined(__ARCH_WANT_COMPAT_STAT64)
516 asmlinkage
long sys_fstat64(unsigned long fd
, struct stat64 __user
*statbuf
);
517 asmlinkage
long sys_fstatat64(int dfd
, const char __user
*filename
,
518 struct stat64 __user
*statbuf
, int flag
);
522 asmlinkage
long sys_sync(void);
523 asmlinkage
long sys_fsync(unsigned int fd
);
524 asmlinkage
long sys_fdatasync(unsigned int fd
);
525 asmlinkage
long sys_sync_file_range2(int fd
, unsigned int flags
,
526 loff_t offset
, loff_t nbytes
);
527 asmlinkage
long sys_sync_file_range(int fd
, loff_t offset
, loff_t nbytes
,
531 asmlinkage
long sys_timerfd_create(int clockid
, int flags
);
532 asmlinkage
long sys_timerfd_settime(int ufd
, int flags
,
533 const struct __kernel_itimerspec __user
*utmr
,
534 struct __kernel_itimerspec __user
*otmr
);
535 asmlinkage
long sys_timerfd_gettime(int ufd
, struct __kernel_itimerspec __user
*otmr
);
536 asmlinkage
long sys_timerfd_gettime32(int ufd
,
537 struct old_itimerspec32 __user
*otmr
);
538 asmlinkage
long sys_timerfd_settime32(int ufd
, int flags
,
539 const struct old_itimerspec32 __user
*utmr
,
540 struct old_itimerspec32 __user
*otmr
);
543 asmlinkage
long sys_utimensat(int dfd
, const char __user
*filename
,
544 struct __kernel_timespec __user
*utimes
,
546 asmlinkage
long sys_utimensat_time32(unsigned int dfd
,
547 const char __user
*filename
,
548 struct old_timespec32 __user
*t
, int flags
);
551 asmlinkage
long sys_acct(const char __user
*name
);
553 /* kernel/capability.c */
554 asmlinkage
long sys_capget(cap_user_header_t header
,
555 cap_user_data_t dataptr
);
556 asmlinkage
long sys_capset(cap_user_header_t header
,
557 const cap_user_data_t data
);
559 /* kernel/exec_domain.c */
560 asmlinkage
long sys_personality(unsigned int personality
);
563 asmlinkage
long sys_exit(int error_code
);
564 asmlinkage
long sys_exit_group(int error_code
);
565 asmlinkage
long sys_waitid(int which
, pid_t pid
,
566 struct siginfo __user
*infop
,
567 int options
, struct rusage __user
*ru
);
570 asmlinkage
long sys_set_tid_address(int __user
*tidptr
);
571 asmlinkage
long sys_unshare(unsigned long unshare_flags
);
574 asmlinkage
long sys_futex(u32 __user
*uaddr
, int op
, u32 val
,
575 struct __kernel_timespec __user
*utime
, u32 __user
*uaddr2
,
577 asmlinkage
long sys_futex_time32(u32 __user
*uaddr
, int op
, u32 val
,
578 struct old_timespec32 __user
*utime
, u32 __user
*uaddr2
,
580 asmlinkage
long sys_get_robust_list(int pid
,
581 struct robust_list_head __user
* __user
*head_ptr
,
582 size_t __user
*len_ptr
);
583 asmlinkage
long sys_set_robust_list(struct robust_list_head __user
*head
,
586 /* kernel/hrtimer.c */
587 asmlinkage
long sys_nanosleep(struct __kernel_timespec __user
*rqtp
,
588 struct __kernel_timespec __user
*rmtp
);
589 asmlinkage
long sys_nanosleep_time32(struct old_timespec32 __user
*rqtp
,
590 struct old_timespec32 __user
*rmtp
);
592 /* kernel/itimer.c */
593 asmlinkage
long sys_getitimer(int which
, struct itimerval __user
*value
);
594 asmlinkage
long sys_setitimer(int which
,
595 struct itimerval __user
*value
,
596 struct itimerval __user
*ovalue
);
599 asmlinkage
long sys_kexec_load(unsigned long entry
, unsigned long nr_segments
,
600 struct kexec_segment __user
*segments
,
601 unsigned long flags
);
603 /* kernel/module.c */
604 asmlinkage
long sys_init_module(void __user
*umod
, unsigned long len
,
605 const char __user
*uargs
);
606 asmlinkage
long sys_delete_module(const char __user
*name_user
,
609 /* kernel/posix-timers.c */
610 asmlinkage
long sys_timer_create(clockid_t which_clock
,
611 struct sigevent __user
*timer_event_spec
,
612 timer_t __user
* created_timer_id
);
613 asmlinkage
long sys_timer_gettime(timer_t timer_id
,
614 struct __kernel_itimerspec __user
*setting
);
615 asmlinkage
long sys_timer_getoverrun(timer_t timer_id
);
616 asmlinkage
long sys_timer_settime(timer_t timer_id
, int flags
,
617 const struct __kernel_itimerspec __user
*new_setting
,
618 struct __kernel_itimerspec __user
*old_setting
);
619 asmlinkage
long sys_timer_delete(timer_t timer_id
);
620 asmlinkage
long sys_clock_settime(clockid_t which_clock
,
621 const struct __kernel_timespec __user
*tp
);
622 asmlinkage
long sys_clock_gettime(clockid_t which_clock
,
623 struct __kernel_timespec __user
*tp
);
624 asmlinkage
long sys_clock_getres(clockid_t which_clock
,
625 struct __kernel_timespec __user
*tp
);
626 asmlinkage
long sys_clock_nanosleep(clockid_t which_clock
, int flags
,
627 const struct __kernel_timespec __user
*rqtp
,
628 struct __kernel_timespec __user
*rmtp
);
629 asmlinkage
long sys_timer_gettime32(timer_t timer_id
,
630 struct old_itimerspec32 __user
*setting
);
631 asmlinkage
long sys_timer_settime32(timer_t timer_id
, int flags
,
632 struct old_itimerspec32 __user
*new,
633 struct old_itimerspec32 __user
*old
);
634 asmlinkage
long sys_clock_settime32(clockid_t which_clock
,
635 struct old_timespec32 __user
*tp
);
636 asmlinkage
long sys_clock_gettime32(clockid_t which_clock
,
637 struct old_timespec32 __user
*tp
);
638 asmlinkage
long sys_clock_getres_time32(clockid_t which_clock
,
639 struct old_timespec32 __user
*tp
);
640 asmlinkage
long sys_clock_nanosleep_time32(clockid_t which_clock
, int flags
,
641 struct old_timespec32 __user
*rqtp
,
642 struct old_timespec32 __user
*rmtp
);
644 /* kernel/printk.c */
645 asmlinkage
long sys_syslog(int type
, char __user
*buf
, int len
);
647 /* kernel/ptrace.c */
648 asmlinkage
long sys_ptrace(long request
, long pid
, unsigned long addr
,
650 /* kernel/sched/core.c */
652 asmlinkage
long sys_sched_setparam(pid_t pid
,
653 struct sched_param __user
*param
);
654 asmlinkage
long sys_sched_setscheduler(pid_t pid
, int policy
,
655 struct sched_param __user
*param
);
656 asmlinkage
long sys_sched_getscheduler(pid_t pid
);
657 asmlinkage
long sys_sched_getparam(pid_t pid
,
658 struct sched_param __user
*param
);
659 asmlinkage
long sys_sched_setaffinity(pid_t pid
, unsigned int len
,
660 unsigned long __user
*user_mask_ptr
);
661 asmlinkage
long sys_sched_getaffinity(pid_t pid
, unsigned int len
,
662 unsigned long __user
*user_mask_ptr
);
663 asmlinkage
long sys_sched_yield(void);
664 asmlinkage
long sys_sched_get_priority_max(int policy
);
665 asmlinkage
long sys_sched_get_priority_min(int policy
);
666 asmlinkage
long sys_sched_rr_get_interval(pid_t pid
,
667 struct __kernel_timespec __user
*interval
);
668 asmlinkage
long sys_sched_rr_get_interval_time32(pid_t pid
,
669 struct old_timespec32 __user
*interval
);
671 /* kernel/signal.c */
672 asmlinkage
long sys_restart_syscall(void);
673 asmlinkage
long sys_kill(pid_t pid
, int sig
);
674 asmlinkage
long sys_tkill(pid_t pid
, int sig
);
675 asmlinkage
long sys_tgkill(pid_t tgid
, pid_t pid
, int sig
);
676 asmlinkage
long sys_sigaltstack(const struct sigaltstack __user
*uss
,
677 struct sigaltstack __user
*uoss
);
678 asmlinkage
long sys_rt_sigsuspend(sigset_t __user
*unewset
, size_t sigsetsize
);
679 #ifndef CONFIG_ODD_RT_SIGACTION
680 asmlinkage
long sys_rt_sigaction(int,
681 const struct sigaction __user
*,
682 struct sigaction __user
*,
685 asmlinkage
long sys_rt_sigprocmask(int how
, sigset_t __user
*set
,
686 sigset_t __user
*oset
, size_t sigsetsize
);
687 asmlinkage
long sys_rt_sigpending(sigset_t __user
*set
, size_t sigsetsize
);
688 asmlinkage
long sys_rt_sigtimedwait(const sigset_t __user
*uthese
,
689 siginfo_t __user
*uinfo
,
690 const struct __kernel_timespec __user
*uts
,
692 asmlinkage
long sys_rt_sigtimedwait_time32(const sigset_t __user
*uthese
,
693 siginfo_t __user
*uinfo
,
694 const struct old_timespec32 __user
*uts
,
696 asmlinkage
long sys_rt_sigqueueinfo(pid_t pid
, int sig
, siginfo_t __user
*uinfo
);
699 asmlinkage
long sys_setpriority(int which
, int who
, int niceval
);
700 asmlinkage
long sys_getpriority(int which
, int who
);
701 asmlinkage
long sys_reboot(int magic1
, int magic2
, unsigned int cmd
,
703 asmlinkage
long sys_setregid(gid_t rgid
, gid_t egid
);
704 asmlinkage
long sys_setgid(gid_t gid
);
705 asmlinkage
long sys_setreuid(uid_t ruid
, uid_t euid
);
706 asmlinkage
long sys_setuid(uid_t uid
);
707 asmlinkage
long sys_setresuid(uid_t ruid
, uid_t euid
, uid_t suid
);
708 asmlinkage
long sys_getresuid(uid_t __user
*ruid
, uid_t __user
*euid
, uid_t __user
*suid
);
709 asmlinkage
long sys_setresgid(gid_t rgid
, gid_t egid
, gid_t sgid
);
710 asmlinkage
long sys_getresgid(gid_t __user
*rgid
, gid_t __user
*egid
, gid_t __user
*sgid
);
711 asmlinkage
long sys_setfsuid(uid_t uid
);
712 asmlinkage
long sys_setfsgid(gid_t gid
);
713 asmlinkage
long sys_times(struct tms __user
*tbuf
);
714 asmlinkage
long sys_setpgid(pid_t pid
, pid_t pgid
);
715 asmlinkage
long sys_getpgid(pid_t pid
);
716 asmlinkage
long sys_getsid(pid_t pid
);
717 asmlinkage
long sys_setsid(void);
718 asmlinkage
long sys_getgroups(int gidsetsize
, gid_t __user
*grouplist
);
719 asmlinkage
long sys_setgroups(int gidsetsize
, gid_t __user
*grouplist
);
720 asmlinkage
long sys_newuname(struct new_utsname __user
*name
);
721 asmlinkage
long sys_sethostname(char __user
*name
, int len
);
722 asmlinkage
long sys_setdomainname(char __user
*name
, int len
);
723 asmlinkage
long sys_getrlimit(unsigned int resource
,
724 struct rlimit __user
*rlim
);
725 asmlinkage
long sys_setrlimit(unsigned int resource
,
726 struct rlimit __user
*rlim
);
727 asmlinkage
long sys_getrusage(int who
, struct rusage __user
*ru
);
728 asmlinkage
long sys_umask(int mask
);
729 asmlinkage
long sys_prctl(int option
, unsigned long arg2
, unsigned long arg3
,
730 unsigned long arg4
, unsigned long arg5
);
731 asmlinkage
long sys_getcpu(unsigned __user
*cpu
, unsigned __user
*node
, struct getcpu_cache __user
*cache
);
734 asmlinkage
long sys_gettimeofday(struct timeval __user
*tv
,
735 struct timezone __user
*tz
);
736 asmlinkage
long sys_settimeofday(struct timeval __user
*tv
,
737 struct timezone __user
*tz
);
738 asmlinkage
long sys_adjtimex(struct __kernel_timex __user
*txc_p
);
739 asmlinkage
long sys_adjtimex_time32(struct old_timex32 __user
*txc_p
);
742 asmlinkage
long sys_getpid(void);
743 asmlinkage
long sys_getppid(void);
744 asmlinkage
long sys_getuid(void);
745 asmlinkage
long sys_geteuid(void);
746 asmlinkage
long sys_getgid(void);
747 asmlinkage
long sys_getegid(void);
748 asmlinkage
long sys_gettid(void);
749 asmlinkage
long sys_sysinfo(struct sysinfo __user
*info
);
752 asmlinkage
long sys_mq_open(const char __user
*name
, int oflag
, umode_t mode
, struct mq_attr __user
*attr
);
753 asmlinkage
long sys_mq_unlink(const char __user
*name
);
754 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
);
755 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
);
756 asmlinkage
long sys_mq_notify(mqd_t mqdes
, const struct sigevent __user
*notification
);
757 asmlinkage
long sys_mq_getsetattr(mqd_t mqdes
, const struct mq_attr __user
*mqstat
, struct mq_attr __user
*omqstat
);
758 asmlinkage
long sys_mq_timedreceive_time32(mqd_t mqdes
,
759 char __user
*u_msg_ptr
,
760 unsigned int msg_len
, unsigned int __user
*u_msg_prio
,
761 const struct old_timespec32 __user
*u_abs_timeout
);
762 asmlinkage
long sys_mq_timedsend_time32(mqd_t mqdes
,
763 const char __user
*u_msg_ptr
,
764 unsigned int msg_len
, unsigned int msg_prio
,
765 const struct old_timespec32 __user
*u_abs_timeout
);
768 asmlinkage
long sys_msgget(key_t key
, int msgflg
);
769 asmlinkage
long sys_old_msgctl(int msqid
, int cmd
, struct msqid_ds __user
*buf
);
770 asmlinkage
long sys_msgctl(int msqid
, int cmd
, struct msqid_ds __user
*buf
);
771 asmlinkage
long sys_msgrcv(int msqid
, struct msgbuf __user
*msgp
,
772 size_t msgsz
, long msgtyp
, int msgflg
);
773 asmlinkage
long sys_msgsnd(int msqid
, struct msgbuf __user
*msgp
,
774 size_t msgsz
, int msgflg
);
777 asmlinkage
long sys_semget(key_t key
, int nsems
, int semflg
);
778 asmlinkage
long sys_semctl(int semid
, int semnum
, int cmd
, unsigned long arg
);
779 asmlinkage
long sys_old_semctl(int semid
, int semnum
, int cmd
, unsigned long arg
);
780 asmlinkage
long sys_semtimedop(int semid
, struct sembuf __user
*sops
,
782 const struct __kernel_timespec __user
*timeout
);
783 asmlinkage
long sys_semtimedop_time32(int semid
, struct sembuf __user
*sops
,
785 const struct old_timespec32 __user
*timeout
);
786 asmlinkage
long sys_semop(int semid
, struct sembuf __user
*sops
,
790 asmlinkage
long sys_shmget(key_t key
, size_t size
, int flag
);
791 asmlinkage
long sys_old_shmctl(int shmid
, int cmd
, struct shmid_ds __user
*buf
);
792 asmlinkage
long sys_shmctl(int shmid
, int cmd
, struct shmid_ds __user
*buf
);
793 asmlinkage
long sys_shmat(int shmid
, char __user
*shmaddr
, int shmflg
);
794 asmlinkage
long sys_shmdt(char __user
*shmaddr
);
797 asmlinkage
long sys_socket(int, int, int);
798 asmlinkage
long sys_socketpair(int, int, int, int __user
*);
799 asmlinkage
long sys_bind(int, struct sockaddr __user
*, int);
800 asmlinkage
long sys_listen(int, int);
801 asmlinkage
long sys_accept(int, struct sockaddr __user
*, int __user
*);
802 asmlinkage
long sys_connect(int, struct sockaddr __user
*, int);
803 asmlinkage
long sys_getsockname(int, struct sockaddr __user
*, int __user
*);
804 asmlinkage
long sys_getpeername(int, struct sockaddr __user
*, int __user
*);
805 asmlinkage
long sys_sendto(int, void __user
*, size_t, unsigned,
806 struct sockaddr __user
*, int);
807 asmlinkage
long sys_recvfrom(int, void __user
*, size_t, unsigned,
808 struct sockaddr __user
*, int __user
*);
809 asmlinkage
long sys_setsockopt(int fd
, int level
, int optname
,
810 char __user
*optval
, int optlen
);
811 asmlinkage
long sys_getsockopt(int fd
, int level
, int optname
,
812 char __user
*optval
, int __user
*optlen
);
813 asmlinkage
long sys_shutdown(int, int);
814 asmlinkage
long sys_sendmsg(int fd
, struct user_msghdr __user
*msg
, unsigned flags
);
815 asmlinkage
long sys_recvmsg(int fd
, struct user_msghdr __user
*msg
, unsigned flags
);
818 asmlinkage
long sys_readahead(int fd
, loff_t offset
, size_t count
);
820 /* mm/nommu.c, also with MMU */
821 asmlinkage
long sys_brk(unsigned long brk
);
822 asmlinkage
long sys_munmap(unsigned long addr
, size_t len
);
823 asmlinkage
long sys_mremap(unsigned long addr
,
824 unsigned long old_len
, unsigned long new_len
,
825 unsigned long flags
, unsigned long new_addr
);
827 /* security/keys/keyctl.c */
828 asmlinkage
long sys_add_key(const char __user
*_type
,
829 const char __user
*_description
,
830 const void __user
*_payload
,
832 key_serial_t destringid
);
833 asmlinkage
long sys_request_key(const char __user
*_type
,
834 const char __user
*_description
,
835 const char __user
*_callout_info
,
836 key_serial_t destringid
);
837 asmlinkage
long sys_keyctl(int cmd
, unsigned long arg2
, unsigned long arg3
,
838 unsigned long arg4
, unsigned long arg5
);
840 /* arch/example/kernel/sys_example.c */
841 #ifdef CONFIG_CLONE_BACKWARDS
842 asmlinkage
long sys_clone(unsigned long, unsigned long, int __user
*, unsigned long,
845 #ifdef CONFIG_CLONE_BACKWARDS3
846 asmlinkage
long sys_clone(unsigned long, unsigned long, int, int __user
*,
847 int __user
*, unsigned long);
849 asmlinkage
long sys_clone(unsigned long, unsigned long, int __user
*,
850 int __user
*, unsigned long);
853 asmlinkage
long sys_execve(const char __user
*filename
,
854 const char __user
*const __user
*argv
,
855 const char __user
*const __user
*envp
);
858 asmlinkage
long sys_fadvise64_64(int fd
, loff_t offset
, loff_t len
, int advice
);
860 /* mm/, CONFIG_MMU only */
861 asmlinkage
long sys_swapon(const char __user
*specialfile
, int swap_flags
);
862 asmlinkage
long sys_swapoff(const char __user
*specialfile
);
863 asmlinkage
long sys_mprotect(unsigned long start
, size_t len
,
865 asmlinkage
long sys_msync(unsigned long start
, size_t len
, int flags
);
866 asmlinkage
long sys_mlock(unsigned long start
, size_t len
);
867 asmlinkage
long sys_munlock(unsigned long start
, size_t len
);
868 asmlinkage
long sys_mlockall(int flags
);
869 asmlinkage
long sys_munlockall(void);
870 asmlinkage
long sys_mincore(unsigned long start
, size_t len
,
871 unsigned char __user
* vec
);
872 asmlinkage
long sys_madvise(unsigned long start
, size_t len
, int behavior
);
873 asmlinkage
long sys_remap_file_pages(unsigned long start
, unsigned long size
,
874 unsigned long prot
, unsigned long pgoff
,
875 unsigned long flags
);
876 asmlinkage
long sys_mbind(unsigned long start
, unsigned long len
,
878 const unsigned long __user
*nmask
,
879 unsigned long maxnode
,
881 asmlinkage
long sys_get_mempolicy(int __user
*policy
,
882 unsigned long __user
*nmask
,
883 unsigned long maxnode
,
884 unsigned long addr
, unsigned long flags
);
885 asmlinkage
long sys_set_mempolicy(int mode
, const unsigned long __user
*nmask
,
886 unsigned long maxnode
);
887 asmlinkage
long sys_migrate_pages(pid_t pid
, unsigned long maxnode
,
888 const unsigned long __user
*from
,
889 const unsigned long __user
*to
);
890 asmlinkage
long sys_move_pages(pid_t pid
, unsigned long nr_pages
,
891 const void __user
* __user
*pages
,
892 const int __user
*nodes
,
896 asmlinkage
long sys_rt_tgsigqueueinfo(pid_t tgid
, pid_t pid
, int sig
,
897 siginfo_t __user
*uinfo
);
898 asmlinkage
long sys_perf_event_open(
899 struct perf_event_attr __user
*attr_uptr
,
900 pid_t pid
, int cpu
, int group_fd
, unsigned long flags
);
901 asmlinkage
long sys_accept4(int, struct sockaddr __user
*, int __user
*, int);
902 asmlinkage
long sys_recvmmsg(int fd
, struct mmsghdr __user
*msg
,
903 unsigned int vlen
, unsigned flags
,
904 struct __kernel_timespec __user
*timeout
);
905 asmlinkage
long sys_recvmmsg_time32(int fd
, struct mmsghdr __user
*msg
,
906 unsigned int vlen
, unsigned flags
,
907 struct old_timespec32 __user
*timeout
);
909 asmlinkage
long sys_wait4(pid_t pid
, int __user
*stat_addr
,
910 int options
, struct rusage __user
*ru
);
911 asmlinkage
long sys_prlimit64(pid_t pid
, unsigned int resource
,
912 const struct rlimit64 __user
*new_rlim
,
913 struct rlimit64 __user
*old_rlim
);
914 asmlinkage
long sys_fanotify_init(unsigned int flags
, unsigned int event_f_flags
);
915 asmlinkage
long sys_fanotify_mark(int fanotify_fd
, unsigned int flags
,
917 const char __user
*pathname
);
918 asmlinkage
long sys_name_to_handle_at(int dfd
, const char __user
*name
,
919 struct file_handle __user
*handle
,
920 int __user
*mnt_id
, int flag
);
921 asmlinkage
long sys_open_by_handle_at(int mountdirfd
,
922 struct file_handle __user
*handle
,
924 asmlinkage
long sys_clock_adjtime(clockid_t which_clock
,
925 struct __kernel_timex __user
*tx
);
926 asmlinkage
long sys_clock_adjtime32(clockid_t which_clock
,
927 struct old_timex32 __user
*tx
);
928 asmlinkage
long sys_syncfs(int fd
);
929 asmlinkage
long sys_setns(int fd
, int nstype
);
930 asmlinkage
long sys_sendmmsg(int fd
, struct mmsghdr __user
*msg
,
931 unsigned int vlen
, unsigned flags
);
932 asmlinkage
long sys_process_vm_readv(pid_t pid
,
933 const struct iovec __user
*lvec
,
934 unsigned long liovcnt
,
935 const struct iovec __user
*rvec
,
936 unsigned long riovcnt
,
937 unsigned long flags
);
938 asmlinkage
long sys_process_vm_writev(pid_t pid
,
939 const struct iovec __user
*lvec
,
940 unsigned long liovcnt
,
941 const struct iovec __user
*rvec
,
942 unsigned long riovcnt
,
943 unsigned long flags
);
944 asmlinkage
long sys_kcmp(pid_t pid1
, pid_t pid2
, int type
,
945 unsigned long idx1
, unsigned long idx2
);
946 asmlinkage
long sys_finit_module(int fd
, const char __user
*uargs
, int flags
);
947 asmlinkage
long sys_sched_setattr(pid_t pid
,
948 struct sched_attr __user
*attr
,
950 asmlinkage
long sys_sched_getattr(pid_t pid
,
951 struct sched_attr __user
*attr
,
954 asmlinkage
long sys_renameat2(int olddfd
, const char __user
*oldname
,
955 int newdfd
, const char __user
*newname
,
957 asmlinkage
long sys_seccomp(unsigned int op
, unsigned int flags
,
959 asmlinkage
long sys_getrandom(char __user
*buf
, size_t count
,
961 asmlinkage
long sys_memfd_create(const char __user
*uname_ptr
, unsigned int flags
);
962 asmlinkage
long sys_bpf(int cmd
, union bpf_attr
*attr
, unsigned int size
);
963 asmlinkage
long sys_execveat(int dfd
, const char __user
*filename
,
964 const char __user
*const __user
*argv
,
965 const char __user
*const __user
*envp
, int flags
);
966 asmlinkage
long sys_userfaultfd(int flags
);
967 asmlinkage
long sys_membarrier(int cmd
, int flags
);
968 asmlinkage
long sys_mlock2(unsigned long start
, size_t len
, int flags
);
969 asmlinkage
long sys_copy_file_range(int fd_in
, loff_t __user
*off_in
,
970 int fd_out
, loff_t __user
*off_out
,
971 size_t len
, unsigned int flags
);
972 asmlinkage
long sys_preadv2(unsigned long fd
, const struct iovec __user
*vec
,
973 unsigned long vlen
, unsigned long pos_l
, unsigned long pos_h
,
975 asmlinkage
long sys_pwritev2(unsigned long fd
, const struct iovec __user
*vec
,
976 unsigned long vlen
, unsigned long pos_l
, unsigned long pos_h
,
978 asmlinkage
long sys_pkey_mprotect(unsigned long start
, size_t len
,
979 unsigned long prot
, int pkey
);
980 asmlinkage
long sys_pkey_alloc(unsigned long flags
, unsigned long init_val
);
981 asmlinkage
long sys_pkey_free(int pkey
);
982 asmlinkage
long sys_statx(int dfd
, const char __user
*path
, unsigned flags
,
983 unsigned mask
, struct statx __user
*buffer
);
984 asmlinkage
long sys_rseq(struct rseq __user
*rseq
, uint32_t rseq_len
,
985 int flags
, uint32_t sig
);
986 asmlinkage
long sys_open_tree(int dfd
, const char __user
*path
, unsigned flags
);
987 asmlinkage
long sys_move_mount(int from_dfd
, const char __user
*from_path
,
988 int to_dfd
, const char __user
*to_path
,
989 unsigned int ms_flags
);
990 asmlinkage
long sys_fsopen(const char __user
*fs_name
, unsigned int flags
);
991 asmlinkage
long sys_fsconfig(int fs_fd
, unsigned int cmd
, const char __user
*key
,
992 const void __user
*value
, int aux
);
993 asmlinkage
long sys_fsmount(int fs_fd
, unsigned int flags
, unsigned int ms_flags
);
994 asmlinkage
long sys_fspick(int dfd
, const char __user
*path
, unsigned int flags
);
995 asmlinkage
long sys_pidfd_send_signal(int pidfd
, int sig
,
996 siginfo_t __user
*info
,
1000 * Architecture-specific system calls
1003 /* arch/x86/kernel/ioport.c */
1004 asmlinkage
long sys_ioperm(unsigned long from
, unsigned long num
, int on
);
1006 /* pciconfig: alpha, arm, arm64, ia64, sparc */
1007 asmlinkage
long sys_pciconfig_read(unsigned long bus
, unsigned long dfn
,
1008 unsigned long off
, unsigned long len
,
1010 asmlinkage
long sys_pciconfig_write(unsigned long bus
, unsigned long dfn
,
1011 unsigned long off
, unsigned long len
,
1013 asmlinkage
long sys_pciconfig_iobase(long which
, unsigned long bus
, unsigned long devfn
);
1016 asmlinkage
long sys_spu_run(int fd
, __u32 __user
*unpc
,
1017 __u32 __user
*ustatus
);
1018 asmlinkage
long sys_spu_create(const char __user
*name
,
1019 unsigned int flags
, umode_t mode
, int fd
);
1023 * Deprecated system calls which are still defined in
1024 * include/uapi/asm-generic/unistd.h and wanted by >= 1 arch
1027 /* __ARCH_WANT_SYSCALL_NO_AT */
1028 asmlinkage
long sys_open(const char __user
*filename
,
1029 int flags
, umode_t mode
);
1030 asmlinkage
long sys_link(const char __user
*oldname
,
1031 const char __user
*newname
);
1032 asmlinkage
long sys_unlink(const char __user
*pathname
);
1033 asmlinkage
long sys_mknod(const char __user
*filename
, umode_t mode
,
1035 asmlinkage
long sys_chmod(const char __user
*filename
, umode_t mode
);
1036 asmlinkage
long sys_chown(const char __user
*filename
,
1037 uid_t user
, gid_t group
);
1038 asmlinkage
long sys_mkdir(const char __user
*pathname
, umode_t mode
);
1039 asmlinkage
long sys_rmdir(const char __user
*pathname
);
1040 asmlinkage
long sys_lchown(const char __user
*filename
,
1041 uid_t user
, gid_t group
);
1042 asmlinkage
long sys_access(const char __user
*filename
, int mode
);
1043 asmlinkage
long sys_rename(const char __user
*oldname
,
1044 const char __user
*newname
);
1045 asmlinkage
long sys_symlink(const char __user
*old
, const char __user
*new);
1046 #if defined(__ARCH_WANT_STAT64) || defined(__ARCH_WANT_COMPAT_STAT64)
1047 asmlinkage
long sys_stat64(const char __user
*filename
,
1048 struct stat64 __user
*statbuf
);
1049 asmlinkage
long sys_lstat64(const char __user
*filename
,
1050 struct stat64 __user
*statbuf
);
1053 /* __ARCH_WANT_SYSCALL_NO_FLAGS */
1054 asmlinkage
long sys_pipe(int __user
*fildes
);
1055 asmlinkage
long sys_dup2(unsigned int oldfd
, unsigned int newfd
);
1056 asmlinkage
long sys_epoll_create(int size
);
1057 asmlinkage
long sys_inotify_init(void);
1058 asmlinkage
long sys_eventfd(unsigned int count
);
1059 asmlinkage
long sys_signalfd(int ufd
, sigset_t __user
*user_mask
, size_t sizemask
);
1061 /* __ARCH_WANT_SYSCALL_OFF_T */
1062 asmlinkage
long sys_sendfile(int out_fd
, int in_fd
,
1063 off_t __user
*offset
, size_t count
);
1064 asmlinkage
long sys_newstat(const char __user
*filename
,
1065 struct stat __user
*statbuf
);
1066 asmlinkage
long sys_newlstat(const char __user
*filename
,
1067 struct stat __user
*statbuf
);
1068 asmlinkage
long sys_fadvise64(int fd
, loff_t offset
, size_t len
, int advice
);
1070 /* __ARCH_WANT_SYSCALL_DEPRECATED */
1071 asmlinkage
long sys_alarm(unsigned int seconds
);
1072 asmlinkage
long sys_getpgrp(void);
1073 asmlinkage
long sys_pause(void);
1074 asmlinkage
long sys_time(time_t __user
*tloc
);
1075 asmlinkage
long sys_time32(old_time32_t __user
*tloc
);
1076 #ifdef __ARCH_WANT_SYS_UTIME
1077 asmlinkage
long sys_utime(char __user
*filename
,
1078 struct utimbuf __user
*times
);
1079 asmlinkage
long sys_utimes(char __user
*filename
,
1080 struct timeval __user
*utimes
);
1081 asmlinkage
long sys_futimesat(int dfd
, const char __user
*filename
,
1082 struct timeval __user
*utimes
);
1084 asmlinkage
long sys_futimesat_time32(unsigned int dfd
,
1085 const char __user
*filename
,
1086 struct old_timeval32 __user
*t
);
1087 asmlinkage
long sys_utime32(const char __user
*filename
,
1088 struct old_utimbuf32 __user
*t
);
1089 asmlinkage
long sys_utimes_time32(const char __user
*filename
,
1090 struct old_timeval32 __user
*t
);
1091 asmlinkage
long sys_creat(const char __user
*pathname
, umode_t mode
);
1092 asmlinkage
long sys_getdents(unsigned int fd
,
1093 struct linux_dirent __user
*dirent
,
1094 unsigned int count
);
1095 asmlinkage
long sys_select(int n
, fd_set __user
*inp
, fd_set __user
*outp
,
1096 fd_set __user
*exp
, struct timeval __user
*tvp
);
1097 asmlinkage
long sys_poll(struct pollfd __user
*ufds
, unsigned int nfds
,
1099 asmlinkage
long sys_epoll_wait(int epfd
, struct epoll_event __user
*events
,
1100 int maxevents
, int timeout
);
1101 asmlinkage
long sys_ustat(unsigned dev
, struct ustat __user
*ubuf
);
1102 asmlinkage
long sys_vfork(void);
1103 asmlinkage
long sys_recv(int, void __user
*, size_t, unsigned);
1104 asmlinkage
long sys_send(int, void __user
*, size_t, unsigned);
1105 asmlinkage
long sys_bdflush(int func
, long data
);
1106 asmlinkage
long sys_oldumount(char __user
*name
);
1107 asmlinkage
long sys_uselib(const char __user
*library
);
1108 asmlinkage
long sys_sysctl(struct __sysctl_args __user
*args
);
1109 asmlinkage
long sys_sysfs(int option
,
1110 unsigned long arg1
, unsigned long arg2
);
1111 asmlinkage
long sys_fork(void);
1113 /* obsolete: kernel/time/time.c */
1114 asmlinkage
long sys_stime(time_t __user
*tptr
);
1115 asmlinkage
long sys_stime32(old_time32_t __user
*tptr
);
1117 /* obsolete: kernel/signal.c */
1118 asmlinkage
long sys_sigpending(old_sigset_t __user
*uset
);
1119 asmlinkage
long sys_sigprocmask(int how
, old_sigset_t __user
*set
,
1120 old_sigset_t __user
*oset
);
1121 #ifdef CONFIG_OLD_SIGSUSPEND
1122 asmlinkage
long sys_sigsuspend(old_sigset_t mask
);
1125 #ifdef CONFIG_OLD_SIGSUSPEND3
1126 asmlinkage
long sys_sigsuspend(int unused1
, int unused2
, old_sigset_t mask
);
1129 #ifdef CONFIG_OLD_SIGACTION
1130 asmlinkage
long sys_sigaction(int, const struct old_sigaction __user
*,
1131 struct old_sigaction __user
*);
1133 asmlinkage
long sys_sgetmask(void);
1134 asmlinkage
long sys_ssetmask(int newmask
);
1135 asmlinkage
long sys_signal(int sig
, __sighandler_t handler
);
1137 /* obsolete: kernel/sched/core.c */
1138 asmlinkage
long sys_nice(int increment
);
1140 /* obsolete: kernel/kexec_file.c */
1141 asmlinkage
long sys_kexec_file_load(int kernel_fd
, int initrd_fd
,
1142 unsigned long cmdline_len
,
1143 const char __user
*cmdline_ptr
,
1144 unsigned long flags
);
1146 /* obsolete: kernel/exit.c */
1147 asmlinkage
long sys_waitpid(pid_t pid
, int __user
*stat_addr
, int options
);
1149 /* obsolete: kernel/uid16.c */
1150 #ifdef CONFIG_HAVE_UID16
1151 asmlinkage
long sys_chown16(const char __user
*filename
,
1152 old_uid_t user
, old_gid_t group
);
1153 asmlinkage
long sys_lchown16(const char __user
*filename
,
1154 old_uid_t user
, old_gid_t group
);
1155 asmlinkage
long sys_fchown16(unsigned int fd
, old_uid_t user
, old_gid_t group
);
1156 asmlinkage
long sys_setregid16(old_gid_t rgid
, old_gid_t egid
);
1157 asmlinkage
long sys_setgid16(old_gid_t gid
);
1158 asmlinkage
long sys_setreuid16(old_uid_t ruid
, old_uid_t euid
);
1159 asmlinkage
long sys_setuid16(old_uid_t uid
);
1160 asmlinkage
long sys_setresuid16(old_uid_t ruid
, old_uid_t euid
, old_uid_t suid
);
1161 asmlinkage
long sys_getresuid16(old_uid_t __user
*ruid
,
1162 old_uid_t __user
*euid
, old_uid_t __user
*suid
);
1163 asmlinkage
long sys_setresgid16(old_gid_t rgid
, old_gid_t egid
, old_gid_t sgid
);
1164 asmlinkage
long sys_getresgid16(old_gid_t __user
*rgid
,
1165 old_gid_t __user
*egid
, old_gid_t __user
*sgid
);
1166 asmlinkage
long sys_setfsuid16(old_uid_t uid
);
1167 asmlinkage
long sys_setfsgid16(old_gid_t gid
);
1168 asmlinkage
long sys_getgroups16(int gidsetsize
, old_gid_t __user
*grouplist
);
1169 asmlinkage
long sys_setgroups16(int gidsetsize
, old_gid_t __user
*grouplist
);
1170 asmlinkage
long sys_getuid16(void);
1171 asmlinkage
long sys_geteuid16(void);
1172 asmlinkage
long sys_getgid16(void);
1173 asmlinkage
long sys_getegid16(void);
1176 /* obsolete: net/socket.c */
1177 asmlinkage
long sys_socketcall(int call
, unsigned long __user
*args
);
1179 /* obsolete: fs/stat.c */
1180 asmlinkage
long sys_stat(const char __user
*filename
,
1181 struct __old_kernel_stat __user
*statbuf
);
1182 asmlinkage
long sys_lstat(const char __user
*filename
,
1183 struct __old_kernel_stat __user
*statbuf
);
1184 asmlinkage
long sys_fstat(unsigned int fd
,
1185 struct __old_kernel_stat __user
*statbuf
);
1186 asmlinkage
long sys_readlink(const char __user
*path
,
1187 char __user
*buf
, int bufsiz
);
1189 /* obsolete: fs/select.c */
1190 asmlinkage
long sys_old_select(struct sel_arg_struct __user
*arg
);
1192 /* obsolete: fs/readdir.c */
1193 asmlinkage
long sys_old_readdir(unsigned int, struct old_linux_dirent __user
*, unsigned int);
1195 /* obsolete: kernel/sys.c */
1196 asmlinkage
long sys_gethostname(char __user
*name
, int len
);
1197 asmlinkage
long sys_uname(struct old_utsname __user
*);
1198 asmlinkage
long sys_olduname(struct oldold_utsname __user
*);
1199 #ifdef __ARCH_WANT_SYS_OLD_GETRLIMIT
1200 asmlinkage
long sys_old_getrlimit(unsigned int resource
, struct rlimit __user
*rlim
);
1204 asmlinkage
long sys_ipc(unsigned int call
, int first
, unsigned long second
,
1205 unsigned long third
, void __user
*ptr
, long fifth
);
1208 asmlinkage
long sys_mmap_pgoff(unsigned long addr
, unsigned long len
,
1209 unsigned long prot
, unsigned long flags
,
1210 unsigned long fd
, unsigned long pgoff
);
1211 asmlinkage
long sys_old_mmap(struct mmap_arg_struct __user
*arg
);
1215 * Not a real system call, but a placeholder for syscalls which are
1216 * not implemented -- see kernel/sys_ni.c
1218 asmlinkage
long sys_ni_syscall(void);
1220 #endif /* CONFIG_ARCH_HAS_SYSCALL_WRAPPER */
1224 * Kernel code should not call syscalls (i.e., sys_xyzyyz()) directly.
1225 * Instead, use one of the functions which work equivalently, such as
1226 * the ksys_xyzyyz() functions prototyped below.
1229 int ksys_mount(char __user
*dev_name
, char __user
*dir_name
, char __user
*type
,
1230 unsigned long flags
, void __user
*data
);
1231 int ksys_umount(char __user
*name
, int flags
);
1232 int ksys_dup(unsigned int fildes
);
1233 int ksys_chroot(const char __user
*filename
);
1234 ssize_t
ksys_write(unsigned int fd
, const char __user
*buf
, size_t count
);
1235 int ksys_chdir(const char __user
*filename
);
1236 int ksys_fchmod(unsigned int fd
, umode_t mode
);
1237 int ksys_fchown(unsigned int fd
, uid_t user
, gid_t group
);
1238 int ksys_getdents64(unsigned int fd
, struct linux_dirent64 __user
*dirent
,
1239 unsigned int count
);
1240 int ksys_ioctl(unsigned int fd
, unsigned int cmd
, unsigned long arg
);
1241 off_t
ksys_lseek(unsigned int fd
, off_t offset
, unsigned int whence
);
1242 ssize_t
ksys_read(unsigned int fd
, char __user
*buf
, size_t count
);
1243 void ksys_sync(void);
1244 int ksys_unshare(unsigned long unshare_flags
);
1245 int ksys_setsid(void);
1246 int ksys_sync_file_range(int fd
, loff_t offset
, loff_t nbytes
,
1247 unsigned int flags
);
1248 ssize_t
ksys_pread64(unsigned int fd
, char __user
*buf
, size_t count
,
1250 ssize_t
ksys_pwrite64(unsigned int fd
, const char __user
*buf
,
1251 size_t count
, loff_t pos
);
1252 int ksys_fallocate(int fd
, int mode
, loff_t offset
, loff_t len
);
1253 #ifdef CONFIG_ADVISE_SYSCALLS
1254 int ksys_fadvise64_64(int fd
, loff_t offset
, loff_t len
, int advice
);
1256 static inline int ksys_fadvise64_64(int fd
, loff_t offset
, loff_t len
,
1262 unsigned long ksys_mmap_pgoff(unsigned long addr
, unsigned long len
,
1263 unsigned long prot
, unsigned long flags
,
1264 unsigned long fd
, unsigned long pgoff
);
1265 ssize_t
ksys_readahead(int fd
, loff_t offset
, size_t count
);
1266 int ksys_ipc(unsigned int call
, int first
, unsigned long second
,
1267 unsigned long third
, void __user
* ptr
, long fifth
);
1268 int compat_ksys_ipc(u32 call
, int first
, int second
,
1269 u32 third
, u32 ptr
, u32 fifth
);
1272 * The following kernel syscall equivalents are just wrappers to fs-internal
1273 * functions. Therefore, provide stubs to be inlined at the callsites.
1275 extern long do_unlinkat(int dfd
, struct filename
*name
);
1277 static inline long ksys_unlink(const char __user
*pathname
)
1279 return do_unlinkat(AT_FDCWD
, getname(pathname
));
1282 extern long do_rmdir(int dfd
, const char __user
*pathname
);
1284 static inline long ksys_rmdir(const char __user
*pathname
)
1286 return do_rmdir(AT_FDCWD
, pathname
);
1289 extern long do_mkdirat(int dfd
, const char __user
*pathname
, umode_t mode
);
1291 static inline long ksys_mkdir(const char __user
*pathname
, umode_t mode
)
1293 return do_mkdirat(AT_FDCWD
, pathname
, mode
);
1296 extern long do_symlinkat(const char __user
*oldname
, int newdfd
,
1297 const char __user
*newname
);
1299 static inline long ksys_symlink(const char __user
*oldname
,
1300 const char __user
*newname
)
1302 return do_symlinkat(oldname
, AT_FDCWD
, newname
);
1305 extern long do_mknodat(int dfd
, const char __user
*filename
, umode_t mode
,
1308 static inline long ksys_mknod(const char __user
*filename
, umode_t mode
,
1311 return do_mknodat(AT_FDCWD
, filename
, mode
, dev
);
1314 extern int do_linkat(int olddfd
, const char __user
*oldname
, int newdfd
,
1315 const char __user
*newname
, int flags
);
1317 static inline long ksys_link(const char __user
*oldname
,
1318 const char __user
*newname
)
1320 return do_linkat(AT_FDCWD
, oldname
, AT_FDCWD
, newname
, 0);
1323 extern int do_fchmodat(int dfd
, const char __user
*filename
, umode_t mode
);
1325 static inline int ksys_chmod(const char __user
*filename
, umode_t mode
)
1327 return do_fchmodat(AT_FDCWD
, filename
, mode
);
1330 extern long do_faccessat(int dfd
, const char __user
*filename
, int mode
);
1332 static inline long ksys_access(const char __user
*filename
, int mode
)
1334 return do_faccessat(AT_FDCWD
, filename
, mode
);
1337 extern int do_fchownat(int dfd
, const char __user
*filename
, uid_t user
,
1338 gid_t group
, int flag
);
1340 static inline long ksys_chown(const char __user
*filename
, uid_t user
,
1343 return do_fchownat(AT_FDCWD
, filename
, user
, group
, 0);
1346 static inline long ksys_lchown(const char __user
*filename
, uid_t user
,
1349 return do_fchownat(AT_FDCWD
, filename
, user
, group
,
1350 AT_SYMLINK_NOFOLLOW
);
1353 extern long do_sys_ftruncate(unsigned int fd
, loff_t length
, int small
);
1355 static inline long ksys_ftruncate(unsigned int fd
, unsigned long length
)
1357 return do_sys_ftruncate(fd
, length
, 1);
1360 extern int __close_fd(struct files_struct
*files
, unsigned int fd
);
1363 * In contrast to sys_close(), this stub does not check whether the syscall
1364 * should or should not be restarted, but returns the raw error codes from
1367 static inline int ksys_close(unsigned int fd
)
1369 return __close_fd(current
->files
, fd
);
1372 extern long do_sys_open(int dfd
, const char __user
*filename
, int flags
,
1375 static inline long ksys_open(const char __user
*filename
, int flags
,
1378 if (force_o_largefile())
1379 flags
|= O_LARGEFILE
;
1380 return do_sys_open(AT_FDCWD
, filename
, flags
, mode
);
1383 extern long do_sys_truncate(const char __user
*pathname
, loff_t length
);
1385 static inline long ksys_truncate(const char __user
*pathname
, loff_t length
)
1387 return do_sys_truncate(pathname
, length
);
1390 static inline unsigned int ksys_personality(unsigned int personality
)
1392 unsigned int old
= current
->personality
;
1394 if (personality
!= 0xffffffff)
1395 set_personality(personality
);