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
19 struct __kernel_old_itimerval
;
22 struct linux_dirent64
;
24 struct mmap_arg_struct
;
31 struct __old_kernel_stat
;
32 struct oldold_utsname
;
40 struct sel_arg_struct
;
52 struct __kernel_old_timeval
;
53 struct __kernel_timex
;
60 struct robust_list_head
;
62 struct old_linux_dirent
;
63 struct perf_event_attr
;
68 struct io_uring_params
;
72 struct landlock_ruleset_attr
;
73 enum landlock_rule_type
;
75 #include <linux/types.h>
76 #include <linux/aio_abi.h>
77 #include <linux/capability.h>
78 #include <linux/signal.h>
79 #include <linux/list.h>
80 #include <linux/bug.h>
81 #include <linux/sem.h>
82 #include <asm/siginfo.h>
83 #include <linux/unistd.h>
84 #include <linux/quota.h>
85 #include <linux/key.h>
86 #include <linux/personality.h>
87 #include <trace/syscall.h>
89 #ifdef CONFIG_ARCH_HAS_SYSCALL_WRAPPER
91 * It may be useful for an architecture to override the definitions of the
92 * SYSCALL_DEFINE0() and __SYSCALL_DEFINEx() macros, in particular to use a
93 * different calling convention for syscalls. To allow for that, the prototypes
94 * for the sys_*() functions below will *not* be included if
95 * CONFIG_ARCH_HAS_SYSCALL_WRAPPER is enabled.
97 #include <asm/syscall_wrapper.h>
98 #endif /* CONFIG_ARCH_HAS_SYSCALL_WRAPPER */
101 * __MAP - apply a macro to syscall arguments
102 * __MAP(n, m, t1, a1, t2, a2, ..., tn, an) will expand to
103 * m(t1, a1), m(t2, a2), ..., m(tn, an)
104 * The first argument must be equal to the amount of type/name
105 * pairs given. Note that this list of pairs (i.e. the arguments
106 * of __MAP starting at the third one) is in the same format as
107 * for SYSCALL_DEFINE<n>/COMPAT_SYSCALL_DEFINE<n>
109 #define __MAP0(m,...)
110 #define __MAP1(m,t,a,...) m(t,a)
111 #define __MAP2(m,t,a,...) m(t,a), __MAP1(m,__VA_ARGS__)
112 #define __MAP3(m,t,a,...) m(t,a), __MAP2(m,__VA_ARGS__)
113 #define __MAP4(m,t,a,...) m(t,a), __MAP3(m,__VA_ARGS__)
114 #define __MAP5(m,t,a,...) m(t,a), __MAP4(m,__VA_ARGS__)
115 #define __MAP6(m,t,a,...) m(t,a), __MAP5(m,__VA_ARGS__)
116 #define __MAP(n,...) __MAP##n(__VA_ARGS__)
118 #define __SC_DECL(t, a) t a
119 #define __TYPE_AS(t, v) __same_type((__force t)0, v)
120 #define __TYPE_IS_L(t) (__TYPE_AS(t, 0L))
121 #define __TYPE_IS_UL(t) (__TYPE_AS(t, 0UL))
122 #define __TYPE_IS_LL(t) (__TYPE_AS(t, 0LL) || __TYPE_AS(t, 0ULL))
123 #define __SC_LONG(t, a) __typeof(__builtin_choose_expr(__TYPE_IS_LL(t), 0LL, 0L)) a
124 #define __SC_CAST(t, a) (__force t) a
125 #define __SC_ARGS(t, a) a
126 #define __SC_TEST(t, a) (void)BUILD_BUG_ON_ZERO(!__TYPE_IS_LL(t) && sizeof(t) > sizeof(long))
128 #ifdef CONFIG_FTRACE_SYSCALLS
129 #define __SC_STR_ADECL(t, a) #a
130 #define __SC_STR_TDECL(t, a) #t
132 extern struct trace_event_class event_class_syscall_enter
;
133 extern struct trace_event_class event_class_syscall_exit
;
134 extern struct trace_event_functions enter_syscall_print_funcs
;
135 extern struct trace_event_functions exit_syscall_print_funcs
;
137 #define SYSCALL_TRACE_ENTER_EVENT(sname) \
138 static struct syscall_metadata __syscall_meta_##sname; \
139 static struct trace_event_call __used \
140 event_enter_##sname = { \
141 .class = &event_class_syscall_enter, \
143 .name = "sys_enter"#sname, \
145 .event.funcs = &enter_syscall_print_funcs, \
146 .data = (void *)&__syscall_meta_##sname,\
147 .flags = TRACE_EVENT_FL_CAP_ANY, \
149 static struct trace_event_call __used \
150 __section("_ftrace_events") \
151 *__event_enter_##sname = &event_enter_##sname;
153 #define SYSCALL_TRACE_EXIT_EVENT(sname) \
154 static struct syscall_metadata __syscall_meta_##sname; \
155 static struct trace_event_call __used \
156 event_exit_##sname = { \
157 .class = &event_class_syscall_exit, \
159 .name = "sys_exit"#sname, \
161 .event.funcs = &exit_syscall_print_funcs, \
162 .data = (void *)&__syscall_meta_##sname,\
163 .flags = TRACE_EVENT_FL_CAP_ANY, \
165 static struct trace_event_call __used \
166 __section("_ftrace_events") \
167 *__event_exit_##sname = &event_exit_##sname;
169 #define SYSCALL_METADATA(sname, nb, ...) \
170 static const char *types_##sname[] = { \
171 __MAP(nb,__SC_STR_TDECL,__VA_ARGS__) \
173 static const char *args_##sname[] = { \
174 __MAP(nb,__SC_STR_ADECL,__VA_ARGS__) \
176 SYSCALL_TRACE_ENTER_EVENT(sname); \
177 SYSCALL_TRACE_EXIT_EVENT(sname); \
178 static struct syscall_metadata __used \
179 __syscall_meta_##sname = { \
180 .name = "sys"#sname, \
181 .syscall_nr = -1, /* Filled in at boot */ \
183 .types = nb ? types_##sname : NULL, \
184 .args = nb ? args_##sname : NULL, \
185 .enter_event = &event_enter_##sname, \
186 .exit_event = &event_exit_##sname, \
187 .enter_fields = LIST_HEAD_INIT(__syscall_meta_##sname.enter_fields), \
189 static struct syscall_metadata __used \
190 __section("__syscalls_metadata") \
191 *__p_syscall_meta_##sname = &__syscall_meta_##sname;
193 static inline int is_syscall_trace_event(struct trace_event_call
*tp_event
)
195 return tp_event
->class == &event_class_syscall_enter
||
196 tp_event
->class == &event_class_syscall_exit
;
200 #define SYSCALL_METADATA(sname, nb, ...)
202 static inline int is_syscall_trace_event(struct trace_event_call
*tp_event
)
208 #ifndef SYSCALL_DEFINE0
209 #define SYSCALL_DEFINE0(sname) \
210 SYSCALL_METADATA(_##sname, 0); \
211 asmlinkage long sys_##sname(void); \
212 ALLOW_ERROR_INJECTION(sys_##sname, ERRNO); \
213 asmlinkage long sys_##sname(void)
214 #endif /* SYSCALL_DEFINE0 */
216 #define SYSCALL_DEFINE1(name, ...) SYSCALL_DEFINEx(1, _##name, __VA_ARGS__)
217 #define SYSCALL_DEFINE2(name, ...) SYSCALL_DEFINEx(2, _##name, __VA_ARGS__)
218 #define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__)
219 #define SYSCALL_DEFINE4(name, ...) SYSCALL_DEFINEx(4, _##name, __VA_ARGS__)
220 #define SYSCALL_DEFINE5(name, ...) SYSCALL_DEFINEx(5, _##name, __VA_ARGS__)
221 #define SYSCALL_DEFINE6(name, ...) SYSCALL_DEFINEx(6, _##name, __VA_ARGS__)
223 #define SYSCALL_DEFINE_MAXARGS 6
225 #define SYSCALL_DEFINEx(x, sname, ...) \
226 SYSCALL_METADATA(sname, x, __VA_ARGS__) \
227 __SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
229 #define __PROTECT(...) asmlinkage_protect(__VA_ARGS__)
232 * The asmlinkage stub is aliased to a function named __se_sys_*() which
233 * sign-extends 32-bit ints to longs whenever needed. The actual work is
234 * done within __do_sys_*().
236 #ifndef __SYSCALL_DEFINEx
237 #define __SYSCALL_DEFINEx(x, name, ...) \
239 __diag_ignore(GCC, 8, "-Wattribute-alias", \
240 "Type aliasing is used to sanitize syscall arguments");\
241 asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \
242 __attribute__((alias(__stringify(__se_sys##name)))); \
243 ALLOW_ERROR_INJECTION(sys##name, ERRNO); \
244 static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));\
245 asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \
246 asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
248 long ret = __do_sys##name(__MAP(x,__SC_CAST,__VA_ARGS__));\
249 __MAP(x,__SC_TEST,__VA_ARGS__); \
250 __PROTECT(x, ret,__MAP(x,__SC_ARGS,__VA_ARGS__)); \
254 static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))
255 #endif /* __SYSCALL_DEFINEx */
257 /* For split 64-bit arguments on 32-bit architectures */
258 #ifdef __LITTLE_ENDIAN
259 #define SC_ARG64(name) u32, name##_lo, u32, name##_hi
261 #define SC_ARG64(name) u32, name##_hi, u32, name##_lo
263 #define SC_VAL64(type, name) ((type) name##_hi << 32 | name##_lo)
266 #define SYSCALL32_DEFINE1 COMPAT_SYSCALL_DEFINE1
267 #define SYSCALL32_DEFINE2 COMPAT_SYSCALL_DEFINE2
268 #define SYSCALL32_DEFINE3 COMPAT_SYSCALL_DEFINE3
269 #define SYSCALL32_DEFINE4 COMPAT_SYSCALL_DEFINE4
270 #define SYSCALL32_DEFINE5 COMPAT_SYSCALL_DEFINE5
271 #define SYSCALL32_DEFINE6 COMPAT_SYSCALL_DEFINE6
273 #define SYSCALL32_DEFINE1 SYSCALL_DEFINE1
274 #define SYSCALL32_DEFINE2 SYSCALL_DEFINE2
275 #define SYSCALL32_DEFINE3 SYSCALL_DEFINE3
276 #define SYSCALL32_DEFINE4 SYSCALL_DEFINE4
277 #define SYSCALL32_DEFINE5 SYSCALL_DEFINE5
278 #define SYSCALL32_DEFINE6 SYSCALL_DEFINE6
282 * Called before coming back to user-mode. Returning to user-mode with an
283 * address limit different than USER_DS can allow to overwrite kernel memory.
285 static inline void addr_limit_user_check(void)
288 if (!test_thread_flag(TIF_FSCHECK
))
292 if (CHECK_DATA_CORRUPTION(uaccess_kernel(),
293 "Invalid address limit on user-mode return"))
297 clear_thread_flag(TIF_FSCHECK
);
302 * These syscall function prototypes are kept in the same order as
303 * include/uapi/asm-generic/unistd.h. Architecture specific entries go below,
304 * followed by deprecated or obsolete system calls.
306 * Please note that these prototypes here are only provided for information
307 * purposes, for static analysis, and for linking from the syscall table.
308 * These functions should not be called elsewhere from kernel code.
310 * As the syscall calling convention may be different from the default
311 * for architectures overriding the syscall calling convention, do not
312 * include the prototypes if CONFIG_ARCH_HAS_SYSCALL_WRAPPER is enabled.
314 #ifndef CONFIG_ARCH_HAS_SYSCALL_WRAPPER
315 asmlinkage
long sys_io_setup(unsigned nr_reqs
, aio_context_t __user
*ctx
);
316 asmlinkage
long sys_io_destroy(aio_context_t ctx
);
317 asmlinkage
long sys_io_submit(aio_context_t
, long,
318 struct iocb __user
* __user
*);
319 asmlinkage
long sys_io_cancel(aio_context_t ctx_id
, struct iocb __user
*iocb
,
320 struct io_event __user
*result
);
321 asmlinkage
long sys_io_getevents(aio_context_t ctx_id
,
324 struct io_event __user
*events
,
325 struct __kernel_timespec __user
*timeout
);
326 asmlinkage
long sys_io_getevents_time32(__u32 ctx_id
,
329 struct io_event __user
*events
,
330 struct old_timespec32 __user
*timeout
);
331 asmlinkage
long sys_io_pgetevents(aio_context_t ctx_id
,
334 struct io_event __user
*events
,
335 struct __kernel_timespec __user
*timeout
,
336 const struct __aio_sigset
*sig
);
337 asmlinkage
long sys_io_pgetevents_time32(aio_context_t ctx_id
,
340 struct io_event __user
*events
,
341 struct old_timespec32 __user
*timeout
,
342 const struct __aio_sigset
*sig
);
343 asmlinkage
long sys_io_uring_setup(u32 entries
,
344 struct io_uring_params __user
*p
);
345 asmlinkage
long sys_io_uring_enter(unsigned int fd
, u32 to_submit
,
346 u32 min_complete
, u32 flags
,
347 const void __user
*argp
, size_t argsz
);
348 asmlinkage
long sys_io_uring_register(unsigned int fd
, unsigned int op
,
349 void __user
*arg
, unsigned int nr_args
);
352 asmlinkage
long sys_setxattr(const char __user
*path
, const char __user
*name
,
353 const void __user
*value
, size_t size
, int flags
);
354 asmlinkage
long sys_lsetxattr(const char __user
*path
, const char __user
*name
,
355 const void __user
*value
, size_t size
, int flags
);
356 asmlinkage
long sys_fsetxattr(int fd
, const char __user
*name
,
357 const void __user
*value
, size_t size
, int flags
);
358 asmlinkage
long sys_getxattr(const char __user
*path
, const char __user
*name
,
359 void __user
*value
, size_t size
);
360 asmlinkage
long sys_lgetxattr(const char __user
*path
, const char __user
*name
,
361 void __user
*value
, size_t size
);
362 asmlinkage
long sys_fgetxattr(int fd
, const char __user
*name
,
363 void __user
*value
, size_t size
);
364 asmlinkage
long sys_listxattr(const char __user
*path
, char __user
*list
,
366 asmlinkage
long sys_llistxattr(const char __user
*path
, char __user
*list
,
368 asmlinkage
long sys_flistxattr(int fd
, char __user
*list
, size_t size
);
369 asmlinkage
long sys_removexattr(const char __user
*path
,
370 const char __user
*name
);
371 asmlinkage
long sys_lremovexattr(const char __user
*path
,
372 const char __user
*name
);
373 asmlinkage
long sys_fremovexattr(int fd
, const char __user
*name
);
376 asmlinkage
long sys_getcwd(char __user
*buf
, unsigned long size
);
379 asmlinkage
long sys_lookup_dcookie(u64 cookie64
, char __user
*buf
, size_t len
);
382 asmlinkage
long sys_eventfd2(unsigned int count
, int flags
);
385 asmlinkage
long sys_epoll_create1(int flags
);
386 asmlinkage
long sys_epoll_ctl(int epfd
, int op
, int fd
,
387 struct epoll_event __user
*event
);
388 asmlinkage
long sys_epoll_pwait(int epfd
, struct epoll_event __user
*events
,
389 int maxevents
, int timeout
,
390 const sigset_t __user
*sigmask
,
392 asmlinkage
long sys_epoll_pwait2(int epfd
, struct epoll_event __user
*events
,
394 const struct __kernel_timespec __user
*timeout
,
395 const sigset_t __user
*sigmask
,
399 asmlinkage
long sys_dup(unsigned int fildes
);
400 asmlinkage
long sys_dup3(unsigned int oldfd
, unsigned int newfd
, int flags
);
401 asmlinkage
long sys_fcntl(unsigned int fd
, unsigned int cmd
, unsigned long arg
);
402 #if BITS_PER_LONG == 32
403 asmlinkage
long sys_fcntl64(unsigned int fd
,
404 unsigned int cmd
, unsigned long arg
);
407 /* fs/inotify_user.c */
408 asmlinkage
long sys_inotify_init1(int flags
);
409 asmlinkage
long sys_inotify_add_watch(int fd
, const char __user
*path
,
411 asmlinkage
long sys_inotify_rm_watch(int fd
, __s32 wd
);
414 asmlinkage
long sys_ioctl(unsigned int fd
, unsigned int cmd
,
418 asmlinkage
long sys_ioprio_set(int which
, int who
, int ioprio
);
419 asmlinkage
long sys_ioprio_get(int which
, int who
);
422 asmlinkage
long sys_flock(unsigned int fd
, unsigned int cmd
);
425 asmlinkage
long sys_mknodat(int dfd
, const char __user
* filename
, umode_t mode
,
427 asmlinkage
long sys_mkdirat(int dfd
, const char __user
* pathname
, umode_t mode
);
428 asmlinkage
long sys_unlinkat(int dfd
, const char __user
* pathname
, int flag
);
429 asmlinkage
long sys_symlinkat(const char __user
* oldname
,
430 int newdfd
, const char __user
* newname
);
431 asmlinkage
long sys_linkat(int olddfd
, const char __user
*oldname
,
432 int newdfd
, const char __user
*newname
, int flags
);
433 asmlinkage
long sys_renameat(int olddfd
, const char __user
* oldname
,
434 int newdfd
, const char __user
* newname
);
437 asmlinkage
long sys_umount(char __user
*name
, int flags
);
438 asmlinkage
long sys_mount(char __user
*dev_name
, char __user
*dir_name
,
439 char __user
*type
, unsigned long flags
,
441 asmlinkage
long sys_pivot_root(const char __user
*new_root
,
442 const char __user
*put_old
);
447 asmlinkage
long sys_statfs(const char __user
* path
,
448 struct statfs __user
*buf
);
449 asmlinkage
long sys_statfs64(const char __user
*path
, size_t sz
,
450 struct statfs64 __user
*buf
);
451 asmlinkage
long sys_fstatfs(unsigned int fd
, struct statfs __user
*buf
);
452 asmlinkage
long sys_fstatfs64(unsigned int fd
, size_t sz
,
453 struct statfs64 __user
*buf
);
454 asmlinkage
long sys_truncate(const char __user
*path
, long length
);
455 asmlinkage
long sys_ftruncate(unsigned int fd
, unsigned long length
);
456 #if BITS_PER_LONG == 32
457 asmlinkage
long sys_truncate64(const char __user
*path
, loff_t length
);
458 asmlinkage
long sys_ftruncate64(unsigned int fd
, loff_t length
);
460 asmlinkage
long sys_fallocate(int fd
, int mode
, loff_t offset
, loff_t len
);
461 asmlinkage
long sys_faccessat(int dfd
, const char __user
*filename
, int mode
);
462 asmlinkage
long sys_faccessat2(int dfd
, const char __user
*filename
, int mode
,
464 asmlinkage
long sys_chdir(const char __user
*filename
);
465 asmlinkage
long sys_fchdir(unsigned int fd
);
466 asmlinkage
long sys_chroot(const char __user
*filename
);
467 asmlinkage
long sys_fchmod(unsigned int fd
, umode_t mode
);
468 asmlinkage
long sys_fchmodat(int dfd
, const char __user
* filename
,
470 asmlinkage
long sys_fchownat(int dfd
, const char __user
*filename
, uid_t user
,
471 gid_t group
, int flag
);
472 asmlinkage
long sys_fchown(unsigned int fd
, uid_t user
, gid_t group
);
473 asmlinkage
long sys_openat(int dfd
, const char __user
*filename
, int flags
,
475 asmlinkage
long sys_openat2(int dfd
, const char __user
*filename
,
476 struct open_how
*how
, size_t size
);
477 asmlinkage
long sys_close(unsigned int fd
);
478 asmlinkage
long sys_close_range(unsigned int fd
, unsigned int max_fd
,
480 asmlinkage
long sys_vhangup(void);
483 asmlinkage
long sys_pipe2(int __user
*fildes
, int flags
);
486 asmlinkage
long sys_quotactl(unsigned int cmd
, const char __user
*special
,
487 qid_t id
, void __user
*addr
);
488 asmlinkage
long sys_quotactl_fd(unsigned int fd
, unsigned int cmd
, qid_t id
,
492 asmlinkage
long sys_getdents64(unsigned int fd
,
493 struct linux_dirent64 __user
*dirent
,
496 /* fs/read_write.c */
497 asmlinkage
long sys_llseek(unsigned int fd
, unsigned long offset_high
,
498 unsigned long offset_low
, loff_t __user
*result
,
499 unsigned int whence
);
500 asmlinkage
long sys_lseek(unsigned int fd
, off_t offset
,
501 unsigned int whence
);
502 asmlinkage
long sys_read(unsigned int fd
, char __user
*buf
, size_t count
);
503 asmlinkage
long sys_write(unsigned int fd
, const char __user
*buf
,
505 asmlinkage
long sys_readv(unsigned long fd
,
506 const struct iovec __user
*vec
,
508 asmlinkage
long sys_writev(unsigned long fd
,
509 const struct iovec __user
*vec
,
511 asmlinkage
long sys_pread64(unsigned int fd
, char __user
*buf
,
512 size_t count
, loff_t pos
);
513 asmlinkage
long sys_pwrite64(unsigned int fd
, const char __user
*buf
,
514 size_t count
, loff_t pos
);
515 asmlinkage
long sys_preadv(unsigned long fd
, const struct iovec __user
*vec
,
516 unsigned long vlen
, unsigned long pos_l
, unsigned long pos_h
);
517 asmlinkage
long sys_pwritev(unsigned long fd
, const struct iovec __user
*vec
,
518 unsigned long vlen
, unsigned long pos_l
, unsigned long pos_h
);
521 asmlinkage
long sys_sendfile64(int out_fd
, int in_fd
,
522 loff_t __user
*offset
, size_t count
);
525 asmlinkage
long sys_pselect6(int, fd_set __user
*, fd_set __user
*,
526 fd_set __user
*, struct __kernel_timespec __user
*,
528 asmlinkage
long sys_pselect6_time32(int, fd_set __user
*, fd_set __user
*,
529 fd_set __user
*, struct old_timespec32 __user
*,
531 asmlinkage
long sys_ppoll(struct pollfd __user
*, unsigned int,
532 struct __kernel_timespec __user
*, const sigset_t __user
*,
534 asmlinkage
long sys_ppoll_time32(struct pollfd __user
*, unsigned int,
535 struct old_timespec32 __user
*, const sigset_t __user
*,
539 asmlinkage
long sys_signalfd4(int ufd
, sigset_t __user
*user_mask
, size_t sizemask
, int flags
);
542 asmlinkage
long sys_vmsplice(int fd
, const struct iovec __user
*iov
,
543 unsigned long nr_segs
, unsigned int flags
);
544 asmlinkage
long sys_splice(int fd_in
, loff_t __user
*off_in
,
545 int fd_out
, loff_t __user
*off_out
,
546 size_t len
, unsigned int flags
);
547 asmlinkage
long sys_tee(int fdin
, int fdout
, size_t len
, unsigned int flags
);
550 asmlinkage
long sys_readlinkat(int dfd
, const char __user
*path
, char __user
*buf
,
552 asmlinkage
long sys_newfstatat(int dfd
, const char __user
*filename
,
553 struct stat __user
*statbuf
, int flag
);
554 asmlinkage
long sys_newfstat(unsigned int fd
, struct stat __user
*statbuf
);
555 #if defined(__ARCH_WANT_STAT64) || defined(__ARCH_WANT_COMPAT_STAT64)
556 asmlinkage
long sys_fstat64(unsigned long fd
, struct stat64 __user
*statbuf
);
557 asmlinkage
long sys_fstatat64(int dfd
, const char __user
*filename
,
558 struct stat64 __user
*statbuf
, int flag
);
562 asmlinkage
long sys_sync(void);
563 asmlinkage
long sys_fsync(unsigned int fd
);
564 asmlinkage
long sys_fdatasync(unsigned int fd
);
565 asmlinkage
long sys_sync_file_range2(int fd
, unsigned int flags
,
566 loff_t offset
, loff_t nbytes
);
567 asmlinkage
long sys_sync_file_range(int fd
, loff_t offset
, loff_t nbytes
,
571 asmlinkage
long sys_timerfd_create(int clockid
, int flags
);
572 asmlinkage
long sys_timerfd_settime(int ufd
, int flags
,
573 const struct __kernel_itimerspec __user
*utmr
,
574 struct __kernel_itimerspec __user
*otmr
);
575 asmlinkage
long sys_timerfd_gettime(int ufd
, struct __kernel_itimerspec __user
*otmr
);
576 asmlinkage
long sys_timerfd_gettime32(int ufd
,
577 struct old_itimerspec32 __user
*otmr
);
578 asmlinkage
long sys_timerfd_settime32(int ufd
, int flags
,
579 const struct old_itimerspec32 __user
*utmr
,
580 struct old_itimerspec32 __user
*otmr
);
583 asmlinkage
long sys_utimensat(int dfd
, const char __user
*filename
,
584 struct __kernel_timespec __user
*utimes
,
586 asmlinkage
long sys_utimensat_time32(unsigned int dfd
,
587 const char __user
*filename
,
588 struct old_timespec32 __user
*t
, int flags
);
591 asmlinkage
long sys_acct(const char __user
*name
);
593 /* kernel/capability.c */
594 asmlinkage
long sys_capget(cap_user_header_t header
,
595 cap_user_data_t dataptr
);
596 asmlinkage
long sys_capset(cap_user_header_t header
,
597 const cap_user_data_t data
);
599 /* kernel/exec_domain.c */
600 asmlinkage
long sys_personality(unsigned int personality
);
603 asmlinkage
long sys_exit(int error_code
);
604 asmlinkage
long sys_exit_group(int error_code
);
605 asmlinkage
long sys_waitid(int which
, pid_t pid
,
606 struct siginfo __user
*infop
,
607 int options
, struct rusage __user
*ru
);
610 asmlinkage
long sys_set_tid_address(int __user
*tidptr
);
611 asmlinkage
long sys_unshare(unsigned long unshare_flags
);
614 asmlinkage
long sys_futex(u32 __user
*uaddr
, int op
, u32 val
,
615 const struct __kernel_timespec __user
*utime
,
616 u32 __user
*uaddr2
, u32 val3
);
617 asmlinkage
long sys_futex_time32(u32 __user
*uaddr
, int op
, u32 val
,
618 const struct old_timespec32 __user
*utime
,
619 u32 __user
*uaddr2
, u32 val3
);
620 asmlinkage
long sys_get_robust_list(int pid
,
621 struct robust_list_head __user
* __user
*head_ptr
,
622 size_t __user
*len_ptr
);
623 asmlinkage
long sys_set_robust_list(struct robust_list_head __user
*head
,
626 /* kernel/hrtimer.c */
627 asmlinkage
long sys_nanosleep(struct __kernel_timespec __user
*rqtp
,
628 struct __kernel_timespec __user
*rmtp
);
629 asmlinkage
long sys_nanosleep_time32(struct old_timespec32 __user
*rqtp
,
630 struct old_timespec32 __user
*rmtp
);
632 /* kernel/itimer.c */
633 asmlinkage
long sys_getitimer(int which
, struct __kernel_old_itimerval __user
*value
);
634 asmlinkage
long sys_setitimer(int which
,
635 struct __kernel_old_itimerval __user
*value
,
636 struct __kernel_old_itimerval __user
*ovalue
);
639 asmlinkage
long sys_kexec_load(unsigned long entry
, unsigned long nr_segments
,
640 struct kexec_segment __user
*segments
,
641 unsigned long flags
);
643 /* kernel/module.c */
644 asmlinkage
long sys_init_module(void __user
*umod
, unsigned long len
,
645 const char __user
*uargs
);
646 asmlinkage
long sys_delete_module(const char __user
*name_user
,
649 /* kernel/posix-timers.c */
650 asmlinkage
long sys_timer_create(clockid_t which_clock
,
651 struct sigevent __user
*timer_event_spec
,
652 timer_t __user
* created_timer_id
);
653 asmlinkage
long sys_timer_gettime(timer_t timer_id
,
654 struct __kernel_itimerspec __user
*setting
);
655 asmlinkage
long sys_timer_getoverrun(timer_t timer_id
);
656 asmlinkage
long sys_timer_settime(timer_t timer_id
, int flags
,
657 const struct __kernel_itimerspec __user
*new_setting
,
658 struct __kernel_itimerspec __user
*old_setting
);
659 asmlinkage
long sys_timer_delete(timer_t timer_id
);
660 asmlinkage
long sys_clock_settime(clockid_t which_clock
,
661 const struct __kernel_timespec __user
*tp
);
662 asmlinkage
long sys_clock_gettime(clockid_t which_clock
,
663 struct __kernel_timespec __user
*tp
);
664 asmlinkage
long sys_clock_getres(clockid_t which_clock
,
665 struct __kernel_timespec __user
*tp
);
666 asmlinkage
long sys_clock_nanosleep(clockid_t which_clock
, int flags
,
667 const struct __kernel_timespec __user
*rqtp
,
668 struct __kernel_timespec __user
*rmtp
);
669 asmlinkage
long sys_timer_gettime32(timer_t timer_id
,
670 struct old_itimerspec32 __user
*setting
);
671 asmlinkage
long sys_timer_settime32(timer_t timer_id
, int flags
,
672 struct old_itimerspec32 __user
*new,
673 struct old_itimerspec32 __user
*old
);
674 asmlinkage
long sys_clock_settime32(clockid_t which_clock
,
675 struct old_timespec32 __user
*tp
);
676 asmlinkage
long sys_clock_gettime32(clockid_t which_clock
,
677 struct old_timespec32 __user
*tp
);
678 asmlinkage
long sys_clock_getres_time32(clockid_t which_clock
,
679 struct old_timespec32 __user
*tp
);
680 asmlinkage
long sys_clock_nanosleep_time32(clockid_t which_clock
, int flags
,
681 struct old_timespec32 __user
*rqtp
,
682 struct old_timespec32 __user
*rmtp
);
684 /* kernel/printk.c */
685 asmlinkage
long sys_syslog(int type
, char __user
*buf
, int len
);
687 /* kernel/ptrace.c */
688 asmlinkage
long sys_ptrace(long request
, long pid
, unsigned long addr
,
690 /* kernel/sched/core.c */
692 asmlinkage
long sys_sched_setparam(pid_t pid
,
693 struct sched_param __user
*param
);
694 asmlinkage
long sys_sched_setscheduler(pid_t pid
, int policy
,
695 struct sched_param __user
*param
);
696 asmlinkage
long sys_sched_getscheduler(pid_t pid
);
697 asmlinkage
long sys_sched_getparam(pid_t pid
,
698 struct sched_param __user
*param
);
699 asmlinkage
long sys_sched_setaffinity(pid_t pid
, unsigned int len
,
700 unsigned long __user
*user_mask_ptr
);
701 asmlinkage
long sys_sched_getaffinity(pid_t pid
, unsigned int len
,
702 unsigned long __user
*user_mask_ptr
);
703 asmlinkage
long sys_sched_yield(void);
704 asmlinkage
long sys_sched_get_priority_max(int policy
);
705 asmlinkage
long sys_sched_get_priority_min(int policy
);
706 asmlinkage
long sys_sched_rr_get_interval(pid_t pid
,
707 struct __kernel_timespec __user
*interval
);
708 asmlinkage
long sys_sched_rr_get_interval_time32(pid_t pid
,
709 struct old_timespec32 __user
*interval
);
711 /* kernel/signal.c */
712 asmlinkage
long sys_restart_syscall(void);
713 asmlinkage
long sys_kill(pid_t pid
, int sig
);
714 asmlinkage
long sys_tkill(pid_t pid
, int sig
);
715 asmlinkage
long sys_tgkill(pid_t tgid
, pid_t pid
, int sig
);
716 asmlinkage
long sys_sigaltstack(const struct sigaltstack __user
*uss
,
717 struct sigaltstack __user
*uoss
);
718 asmlinkage
long sys_rt_sigsuspend(sigset_t __user
*unewset
, size_t sigsetsize
);
719 #ifndef CONFIG_ODD_RT_SIGACTION
720 asmlinkage
long sys_rt_sigaction(int,
721 const struct sigaction __user
*,
722 struct sigaction __user
*,
725 asmlinkage
long sys_rt_sigprocmask(int how
, sigset_t __user
*set
,
726 sigset_t __user
*oset
, size_t sigsetsize
);
727 asmlinkage
long sys_rt_sigpending(sigset_t __user
*set
, size_t sigsetsize
);
728 asmlinkage
long sys_rt_sigtimedwait(const sigset_t __user
*uthese
,
729 siginfo_t __user
*uinfo
,
730 const struct __kernel_timespec __user
*uts
,
732 asmlinkage
long sys_rt_sigtimedwait_time32(const sigset_t __user
*uthese
,
733 siginfo_t __user
*uinfo
,
734 const struct old_timespec32 __user
*uts
,
736 asmlinkage
long sys_rt_sigqueueinfo(pid_t pid
, int sig
, siginfo_t __user
*uinfo
);
739 asmlinkage
long sys_setpriority(int which
, int who
, int niceval
);
740 asmlinkage
long sys_getpriority(int which
, int who
);
741 asmlinkage
long sys_reboot(int magic1
, int magic2
, unsigned int cmd
,
743 asmlinkage
long sys_setregid(gid_t rgid
, gid_t egid
);
744 asmlinkage
long sys_setgid(gid_t gid
);
745 asmlinkage
long sys_setreuid(uid_t ruid
, uid_t euid
);
746 asmlinkage
long sys_setuid(uid_t uid
);
747 asmlinkage
long sys_setresuid(uid_t ruid
, uid_t euid
, uid_t suid
);
748 asmlinkage
long sys_getresuid(uid_t __user
*ruid
, uid_t __user
*euid
, uid_t __user
*suid
);
749 asmlinkage
long sys_setresgid(gid_t rgid
, gid_t egid
, gid_t sgid
);
750 asmlinkage
long sys_getresgid(gid_t __user
*rgid
, gid_t __user
*egid
, gid_t __user
*sgid
);
751 asmlinkage
long sys_setfsuid(uid_t uid
);
752 asmlinkage
long sys_setfsgid(gid_t gid
);
753 asmlinkage
long sys_times(struct tms __user
*tbuf
);
754 asmlinkage
long sys_setpgid(pid_t pid
, pid_t pgid
);
755 asmlinkage
long sys_getpgid(pid_t pid
);
756 asmlinkage
long sys_getsid(pid_t pid
);
757 asmlinkage
long sys_setsid(void);
758 asmlinkage
long sys_getgroups(int gidsetsize
, gid_t __user
*grouplist
);
759 asmlinkage
long sys_setgroups(int gidsetsize
, gid_t __user
*grouplist
);
760 asmlinkage
long sys_newuname(struct new_utsname __user
*name
);
761 asmlinkage
long sys_sethostname(char __user
*name
, int len
);
762 asmlinkage
long sys_setdomainname(char __user
*name
, int len
);
763 asmlinkage
long sys_getrlimit(unsigned int resource
,
764 struct rlimit __user
*rlim
);
765 asmlinkage
long sys_setrlimit(unsigned int resource
,
766 struct rlimit __user
*rlim
);
767 asmlinkage
long sys_getrusage(int who
, struct rusage __user
*ru
);
768 asmlinkage
long sys_umask(int mask
);
769 asmlinkage
long sys_prctl(int option
, unsigned long arg2
, unsigned long arg3
,
770 unsigned long arg4
, unsigned long arg5
);
771 asmlinkage
long sys_getcpu(unsigned __user
*cpu
, unsigned __user
*node
, struct getcpu_cache __user
*cache
);
774 asmlinkage
long sys_gettimeofday(struct __kernel_old_timeval __user
*tv
,
775 struct timezone __user
*tz
);
776 asmlinkage
long sys_settimeofday(struct __kernel_old_timeval __user
*tv
,
777 struct timezone __user
*tz
);
778 asmlinkage
long sys_adjtimex(struct __kernel_timex __user
*txc_p
);
779 asmlinkage
long sys_adjtimex_time32(struct old_timex32 __user
*txc_p
);
782 asmlinkage
long sys_getpid(void);
783 asmlinkage
long sys_getppid(void);
784 asmlinkage
long sys_getuid(void);
785 asmlinkage
long sys_geteuid(void);
786 asmlinkage
long sys_getgid(void);
787 asmlinkage
long sys_getegid(void);
788 asmlinkage
long sys_gettid(void);
789 asmlinkage
long sys_sysinfo(struct sysinfo __user
*info
);
792 asmlinkage
long sys_mq_open(const char __user
*name
, int oflag
, umode_t mode
, struct mq_attr __user
*attr
);
793 asmlinkage
long sys_mq_unlink(const char __user
*name
);
794 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
);
795 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
);
796 asmlinkage
long sys_mq_notify(mqd_t mqdes
, const struct sigevent __user
*notification
);
797 asmlinkage
long sys_mq_getsetattr(mqd_t mqdes
, const struct mq_attr __user
*mqstat
, struct mq_attr __user
*omqstat
);
798 asmlinkage
long sys_mq_timedreceive_time32(mqd_t mqdes
,
799 char __user
*u_msg_ptr
,
800 unsigned int msg_len
, unsigned int __user
*u_msg_prio
,
801 const struct old_timespec32 __user
*u_abs_timeout
);
802 asmlinkage
long sys_mq_timedsend_time32(mqd_t mqdes
,
803 const char __user
*u_msg_ptr
,
804 unsigned int msg_len
, unsigned int msg_prio
,
805 const struct old_timespec32 __user
*u_abs_timeout
);
808 asmlinkage
long sys_msgget(key_t key
, int msgflg
);
809 asmlinkage
long sys_old_msgctl(int msqid
, int cmd
, struct msqid_ds __user
*buf
);
810 asmlinkage
long sys_msgctl(int msqid
, int cmd
, struct msqid_ds __user
*buf
);
811 asmlinkage
long sys_msgrcv(int msqid
, struct msgbuf __user
*msgp
,
812 size_t msgsz
, long msgtyp
, int msgflg
);
813 asmlinkage
long sys_msgsnd(int msqid
, struct msgbuf __user
*msgp
,
814 size_t msgsz
, int msgflg
);
817 asmlinkage
long sys_semget(key_t key
, int nsems
, int semflg
);
818 asmlinkage
long sys_semctl(int semid
, int semnum
, int cmd
, unsigned long arg
);
819 asmlinkage
long sys_old_semctl(int semid
, int semnum
, int cmd
, unsigned long arg
);
820 asmlinkage
long sys_semtimedop(int semid
, struct sembuf __user
*sops
,
822 const struct __kernel_timespec __user
*timeout
);
823 asmlinkage
long sys_semtimedop_time32(int semid
, struct sembuf __user
*sops
,
825 const struct old_timespec32 __user
*timeout
);
826 asmlinkage
long sys_semop(int semid
, struct sembuf __user
*sops
,
830 asmlinkage
long sys_shmget(key_t key
, size_t size
, int flag
);
831 asmlinkage
long sys_old_shmctl(int shmid
, int cmd
, struct shmid_ds __user
*buf
);
832 asmlinkage
long sys_shmctl(int shmid
, int cmd
, struct shmid_ds __user
*buf
);
833 asmlinkage
long sys_shmat(int shmid
, char __user
*shmaddr
, int shmflg
);
834 asmlinkage
long sys_shmdt(char __user
*shmaddr
);
837 asmlinkage
long sys_socket(int, int, int);
838 asmlinkage
long sys_socketpair(int, int, int, int __user
*);
839 asmlinkage
long sys_bind(int, struct sockaddr __user
*, int);
840 asmlinkage
long sys_listen(int, int);
841 asmlinkage
long sys_accept(int, struct sockaddr __user
*, int __user
*);
842 asmlinkage
long sys_connect(int, struct sockaddr __user
*, int);
843 asmlinkage
long sys_getsockname(int, struct sockaddr __user
*, int __user
*);
844 asmlinkage
long sys_getpeername(int, struct sockaddr __user
*, int __user
*);
845 asmlinkage
long sys_sendto(int, void __user
*, size_t, unsigned,
846 struct sockaddr __user
*, int);
847 asmlinkage
long sys_recvfrom(int, void __user
*, size_t, unsigned,
848 struct sockaddr __user
*, int __user
*);
849 asmlinkage
long sys_setsockopt(int fd
, int level
, int optname
,
850 char __user
*optval
, int optlen
);
851 asmlinkage
long sys_getsockopt(int fd
, int level
, int optname
,
852 char __user
*optval
, int __user
*optlen
);
853 asmlinkage
long sys_shutdown(int, int);
854 asmlinkage
long sys_sendmsg(int fd
, struct user_msghdr __user
*msg
, unsigned flags
);
855 asmlinkage
long sys_recvmsg(int fd
, struct user_msghdr __user
*msg
, unsigned flags
);
858 asmlinkage
long sys_readahead(int fd
, loff_t offset
, size_t count
);
860 /* mm/nommu.c, also with MMU */
861 asmlinkage
long sys_brk(unsigned long brk
);
862 asmlinkage
long sys_munmap(unsigned long addr
, size_t len
);
863 asmlinkage
long sys_mremap(unsigned long addr
,
864 unsigned long old_len
, unsigned long new_len
,
865 unsigned long flags
, unsigned long new_addr
);
867 /* security/keys/keyctl.c */
868 asmlinkage
long sys_add_key(const char __user
*_type
,
869 const char __user
*_description
,
870 const void __user
*_payload
,
872 key_serial_t destringid
);
873 asmlinkage
long sys_request_key(const char __user
*_type
,
874 const char __user
*_description
,
875 const char __user
*_callout_info
,
876 key_serial_t destringid
);
877 asmlinkage
long sys_keyctl(int cmd
, unsigned long arg2
, unsigned long arg3
,
878 unsigned long arg4
, unsigned long arg5
);
880 /* arch/example/kernel/sys_example.c */
881 #ifdef CONFIG_CLONE_BACKWARDS
882 asmlinkage
long sys_clone(unsigned long, unsigned long, int __user
*, unsigned long,
885 #ifdef CONFIG_CLONE_BACKWARDS3
886 asmlinkage
long sys_clone(unsigned long, unsigned long, int, int __user
*,
887 int __user
*, unsigned long);
889 asmlinkage
long sys_clone(unsigned long, unsigned long, int __user
*,
890 int __user
*, unsigned long);
894 asmlinkage
long sys_clone3(struct clone_args __user
*uargs
, size_t size
);
896 asmlinkage
long sys_execve(const char __user
*filename
,
897 const char __user
*const __user
*argv
,
898 const char __user
*const __user
*envp
);
901 asmlinkage
long sys_fadvise64_64(int fd
, loff_t offset
, loff_t len
, int advice
);
903 /* mm/, CONFIG_MMU only */
904 asmlinkage
long sys_swapon(const char __user
*specialfile
, int swap_flags
);
905 asmlinkage
long sys_swapoff(const char __user
*specialfile
);
906 asmlinkage
long sys_mprotect(unsigned long start
, size_t len
,
908 asmlinkage
long sys_msync(unsigned long start
, size_t len
, int flags
);
909 asmlinkage
long sys_mlock(unsigned long start
, size_t len
);
910 asmlinkage
long sys_munlock(unsigned long start
, size_t len
);
911 asmlinkage
long sys_mlockall(int flags
);
912 asmlinkage
long sys_munlockall(void);
913 asmlinkage
long sys_mincore(unsigned long start
, size_t len
,
914 unsigned char __user
* vec
);
915 asmlinkage
long sys_madvise(unsigned long start
, size_t len
, int behavior
);
916 asmlinkage
long sys_process_madvise(int pidfd
, const struct iovec __user
*vec
,
917 size_t vlen
, int behavior
, unsigned int flags
);
918 asmlinkage
long sys_process_mrelease(int pidfd
, unsigned int flags
);
919 asmlinkage
long sys_remap_file_pages(unsigned long start
, unsigned long size
,
920 unsigned long prot
, unsigned long pgoff
,
921 unsigned long flags
);
922 asmlinkage
long sys_mbind(unsigned long start
, unsigned long len
,
924 const unsigned long __user
*nmask
,
925 unsigned long maxnode
,
927 asmlinkage
long sys_get_mempolicy(int __user
*policy
,
928 unsigned long __user
*nmask
,
929 unsigned long maxnode
,
930 unsigned long addr
, unsigned long flags
);
931 asmlinkage
long sys_set_mempolicy(int mode
, const unsigned long __user
*nmask
,
932 unsigned long maxnode
);
933 asmlinkage
long sys_migrate_pages(pid_t pid
, unsigned long maxnode
,
934 const unsigned long __user
*from
,
935 const unsigned long __user
*to
);
936 asmlinkage
long sys_move_pages(pid_t pid
, unsigned long nr_pages
,
937 const void __user
* __user
*pages
,
938 const int __user
*nodes
,
942 asmlinkage
long sys_rt_tgsigqueueinfo(pid_t tgid
, pid_t pid
, int sig
,
943 siginfo_t __user
*uinfo
);
944 asmlinkage
long sys_perf_event_open(
945 struct perf_event_attr __user
*attr_uptr
,
946 pid_t pid
, int cpu
, int group_fd
, unsigned long flags
);
947 asmlinkage
long sys_accept4(int, struct sockaddr __user
*, int __user
*, int);
948 asmlinkage
long sys_recvmmsg(int fd
, struct mmsghdr __user
*msg
,
949 unsigned int vlen
, unsigned flags
,
950 struct __kernel_timespec __user
*timeout
);
951 asmlinkage
long sys_recvmmsg_time32(int fd
, struct mmsghdr __user
*msg
,
952 unsigned int vlen
, unsigned flags
,
953 struct old_timespec32 __user
*timeout
);
955 asmlinkage
long sys_wait4(pid_t pid
, int __user
*stat_addr
,
956 int options
, struct rusage __user
*ru
);
957 asmlinkage
long sys_prlimit64(pid_t pid
, unsigned int resource
,
958 const struct rlimit64 __user
*new_rlim
,
959 struct rlimit64 __user
*old_rlim
);
960 asmlinkage
long sys_fanotify_init(unsigned int flags
, unsigned int event_f_flags
);
961 asmlinkage
long sys_fanotify_mark(int fanotify_fd
, unsigned int flags
,
963 const char __user
*pathname
);
964 asmlinkage
long sys_name_to_handle_at(int dfd
, const char __user
*name
,
965 struct file_handle __user
*handle
,
966 int __user
*mnt_id
, int flag
);
967 asmlinkage
long sys_open_by_handle_at(int mountdirfd
,
968 struct file_handle __user
*handle
,
970 asmlinkage
long sys_clock_adjtime(clockid_t which_clock
,
971 struct __kernel_timex __user
*tx
);
972 asmlinkage
long sys_clock_adjtime32(clockid_t which_clock
,
973 struct old_timex32 __user
*tx
);
974 asmlinkage
long sys_syncfs(int fd
);
975 asmlinkage
long sys_setns(int fd
, int nstype
);
976 asmlinkage
long sys_pidfd_open(pid_t pid
, unsigned int flags
);
977 asmlinkage
long sys_sendmmsg(int fd
, struct mmsghdr __user
*msg
,
978 unsigned int vlen
, unsigned flags
);
979 asmlinkage
long sys_process_vm_readv(pid_t pid
,
980 const struct iovec __user
*lvec
,
981 unsigned long liovcnt
,
982 const struct iovec __user
*rvec
,
983 unsigned long riovcnt
,
984 unsigned long flags
);
985 asmlinkage
long sys_process_vm_writev(pid_t pid
,
986 const struct iovec __user
*lvec
,
987 unsigned long liovcnt
,
988 const struct iovec __user
*rvec
,
989 unsigned long riovcnt
,
990 unsigned long flags
);
991 asmlinkage
long sys_kcmp(pid_t pid1
, pid_t pid2
, int type
,
992 unsigned long idx1
, unsigned long idx2
);
993 asmlinkage
long sys_finit_module(int fd
, const char __user
*uargs
, int flags
);
994 asmlinkage
long sys_sched_setattr(pid_t pid
,
995 struct sched_attr __user
*attr
,
997 asmlinkage
long sys_sched_getattr(pid_t pid
,
998 struct sched_attr __user
*attr
,
1000 unsigned int flags
);
1001 asmlinkage
long sys_renameat2(int olddfd
, const char __user
*oldname
,
1002 int newdfd
, const char __user
*newname
,
1003 unsigned int flags
);
1004 asmlinkage
long sys_seccomp(unsigned int op
, unsigned int flags
,
1005 void __user
*uargs
);
1006 asmlinkage
long sys_getrandom(char __user
*buf
, size_t count
,
1007 unsigned int flags
);
1008 asmlinkage
long sys_memfd_create(const char __user
*uname_ptr
, unsigned int flags
);
1009 asmlinkage
long sys_bpf(int cmd
, union bpf_attr
*attr
, unsigned int size
);
1010 asmlinkage
long sys_execveat(int dfd
, const char __user
*filename
,
1011 const char __user
*const __user
*argv
,
1012 const char __user
*const __user
*envp
, int flags
);
1013 asmlinkage
long sys_userfaultfd(int flags
);
1014 asmlinkage
long sys_membarrier(int cmd
, unsigned int flags
, int cpu_id
);
1015 asmlinkage
long sys_mlock2(unsigned long start
, size_t len
, int flags
);
1016 asmlinkage
long sys_copy_file_range(int fd_in
, loff_t __user
*off_in
,
1017 int fd_out
, loff_t __user
*off_out
,
1018 size_t len
, unsigned int flags
);
1019 asmlinkage
long sys_preadv2(unsigned long fd
, const struct iovec __user
*vec
,
1020 unsigned long vlen
, unsigned long pos_l
, unsigned long pos_h
,
1022 asmlinkage
long sys_pwritev2(unsigned long fd
, const struct iovec __user
*vec
,
1023 unsigned long vlen
, unsigned long pos_l
, unsigned long pos_h
,
1025 asmlinkage
long sys_pkey_mprotect(unsigned long start
, size_t len
,
1026 unsigned long prot
, int pkey
);
1027 asmlinkage
long sys_pkey_alloc(unsigned long flags
, unsigned long init_val
);
1028 asmlinkage
long sys_pkey_free(int pkey
);
1029 asmlinkage
long sys_statx(int dfd
, const char __user
*path
, unsigned flags
,
1030 unsigned mask
, struct statx __user
*buffer
);
1031 asmlinkage
long sys_rseq(struct rseq __user
*rseq
, uint32_t rseq_len
,
1032 int flags
, uint32_t sig
);
1033 asmlinkage
long sys_open_tree(int dfd
, const char __user
*path
, unsigned flags
);
1034 asmlinkage
long sys_move_mount(int from_dfd
, const char __user
*from_path
,
1035 int to_dfd
, const char __user
*to_path
,
1036 unsigned int ms_flags
);
1037 asmlinkage
long sys_mount_setattr(int dfd
, const char __user
*path
,
1039 struct mount_attr __user
*uattr
, size_t usize
);
1040 asmlinkage
long sys_fsopen(const char __user
*fs_name
, unsigned int flags
);
1041 asmlinkage
long sys_fsconfig(int fs_fd
, unsigned int cmd
, const char __user
*key
,
1042 const void __user
*value
, int aux
);
1043 asmlinkage
long sys_fsmount(int fs_fd
, unsigned int flags
, unsigned int ms_flags
);
1044 asmlinkage
long sys_fspick(int dfd
, const char __user
*path
, unsigned int flags
);
1045 asmlinkage
long sys_pidfd_send_signal(int pidfd
, int sig
,
1046 siginfo_t __user
*info
,
1047 unsigned int flags
);
1048 asmlinkage
long sys_pidfd_getfd(int pidfd
, int fd
, unsigned int flags
);
1049 asmlinkage
long sys_landlock_create_ruleset(const struct landlock_ruleset_attr __user
*attr
,
1050 size_t size
, __u32 flags
);
1051 asmlinkage
long sys_landlock_add_rule(int ruleset_fd
, enum landlock_rule_type rule_type
,
1052 const void __user
*rule_attr
, __u32 flags
);
1053 asmlinkage
long sys_landlock_restrict_self(int ruleset_fd
, __u32 flags
);
1054 asmlinkage
long sys_memfd_secret(unsigned int flags
);
1057 * Architecture-specific system calls
1060 /* arch/x86/kernel/ioport.c */
1061 asmlinkage
long sys_ioperm(unsigned long from
, unsigned long num
, int on
);
1063 /* pciconfig: alpha, arm, arm64, ia64, sparc */
1064 asmlinkage
long sys_pciconfig_read(unsigned long bus
, unsigned long dfn
,
1065 unsigned long off
, unsigned long len
,
1067 asmlinkage
long sys_pciconfig_write(unsigned long bus
, unsigned long dfn
,
1068 unsigned long off
, unsigned long len
,
1070 asmlinkage
long sys_pciconfig_iobase(long which
, unsigned long bus
, unsigned long devfn
);
1073 asmlinkage
long sys_spu_run(int fd
, __u32 __user
*unpc
,
1074 __u32 __user
*ustatus
);
1075 asmlinkage
long sys_spu_create(const char __user
*name
,
1076 unsigned int flags
, umode_t mode
, int fd
);
1080 * Deprecated system calls which are still defined in
1081 * include/uapi/asm-generic/unistd.h and wanted by >= 1 arch
1084 /* __ARCH_WANT_SYSCALL_NO_AT */
1085 asmlinkage
long sys_open(const char __user
*filename
,
1086 int flags
, umode_t mode
);
1087 asmlinkage
long sys_link(const char __user
*oldname
,
1088 const char __user
*newname
);
1089 asmlinkage
long sys_unlink(const char __user
*pathname
);
1090 asmlinkage
long sys_mknod(const char __user
*filename
, umode_t mode
,
1092 asmlinkage
long sys_chmod(const char __user
*filename
, umode_t mode
);
1093 asmlinkage
long sys_chown(const char __user
*filename
,
1094 uid_t user
, gid_t group
);
1095 asmlinkage
long sys_mkdir(const char __user
*pathname
, umode_t mode
);
1096 asmlinkage
long sys_rmdir(const char __user
*pathname
);
1097 asmlinkage
long sys_lchown(const char __user
*filename
,
1098 uid_t user
, gid_t group
);
1099 asmlinkage
long sys_access(const char __user
*filename
, int mode
);
1100 asmlinkage
long sys_rename(const char __user
*oldname
,
1101 const char __user
*newname
);
1102 asmlinkage
long sys_symlink(const char __user
*old
, const char __user
*new);
1103 #if defined(__ARCH_WANT_STAT64) || defined(__ARCH_WANT_COMPAT_STAT64)
1104 asmlinkage
long sys_stat64(const char __user
*filename
,
1105 struct stat64 __user
*statbuf
);
1106 asmlinkage
long sys_lstat64(const char __user
*filename
,
1107 struct stat64 __user
*statbuf
);
1110 /* __ARCH_WANT_SYSCALL_NO_FLAGS */
1111 asmlinkage
long sys_pipe(int __user
*fildes
);
1112 asmlinkage
long sys_dup2(unsigned int oldfd
, unsigned int newfd
);
1113 asmlinkage
long sys_epoll_create(int size
);
1114 asmlinkage
long sys_inotify_init(void);
1115 asmlinkage
long sys_eventfd(unsigned int count
);
1116 asmlinkage
long sys_signalfd(int ufd
, sigset_t __user
*user_mask
, size_t sizemask
);
1118 /* __ARCH_WANT_SYSCALL_OFF_T */
1119 asmlinkage
long sys_sendfile(int out_fd
, int in_fd
,
1120 off_t __user
*offset
, size_t count
);
1121 asmlinkage
long sys_newstat(const char __user
*filename
,
1122 struct stat __user
*statbuf
);
1123 asmlinkage
long sys_newlstat(const char __user
*filename
,
1124 struct stat __user
*statbuf
);
1125 asmlinkage
long sys_fadvise64(int fd
, loff_t offset
, size_t len
, int advice
);
1127 /* __ARCH_WANT_SYSCALL_DEPRECATED */
1128 asmlinkage
long sys_alarm(unsigned int seconds
);
1129 asmlinkage
long sys_getpgrp(void);
1130 asmlinkage
long sys_pause(void);
1131 asmlinkage
long sys_time(__kernel_old_time_t __user
*tloc
);
1132 asmlinkage
long sys_time32(old_time32_t __user
*tloc
);
1133 #ifdef __ARCH_WANT_SYS_UTIME
1134 asmlinkage
long sys_utime(char __user
*filename
,
1135 struct utimbuf __user
*times
);
1136 asmlinkage
long sys_utimes(char __user
*filename
,
1137 struct __kernel_old_timeval __user
*utimes
);
1138 asmlinkage
long sys_futimesat(int dfd
, const char __user
*filename
,
1139 struct __kernel_old_timeval __user
*utimes
);
1141 asmlinkage
long sys_futimesat_time32(unsigned int dfd
,
1142 const char __user
*filename
,
1143 struct old_timeval32 __user
*t
);
1144 asmlinkage
long sys_utime32(const char __user
*filename
,
1145 struct old_utimbuf32 __user
*t
);
1146 asmlinkage
long sys_utimes_time32(const char __user
*filename
,
1147 struct old_timeval32 __user
*t
);
1148 asmlinkage
long sys_creat(const char __user
*pathname
, umode_t mode
);
1149 asmlinkage
long sys_getdents(unsigned int fd
,
1150 struct linux_dirent __user
*dirent
,
1151 unsigned int count
);
1152 asmlinkage
long sys_select(int n
, fd_set __user
*inp
, fd_set __user
*outp
,
1153 fd_set __user
*exp
, struct __kernel_old_timeval __user
*tvp
);
1154 asmlinkage
long sys_poll(struct pollfd __user
*ufds
, unsigned int nfds
,
1156 asmlinkage
long sys_epoll_wait(int epfd
, struct epoll_event __user
*events
,
1157 int maxevents
, int timeout
);
1158 asmlinkage
long sys_ustat(unsigned dev
, struct ustat __user
*ubuf
);
1159 asmlinkage
long sys_vfork(void);
1160 asmlinkage
long sys_recv(int, void __user
*, size_t, unsigned);
1161 asmlinkage
long sys_send(int, void __user
*, size_t, unsigned);
1162 asmlinkage
long sys_oldumount(char __user
*name
);
1163 asmlinkage
long sys_uselib(const char __user
*library
);
1164 asmlinkage
long sys_sysfs(int option
,
1165 unsigned long arg1
, unsigned long arg2
);
1166 asmlinkage
long sys_fork(void);
1168 /* obsolete: kernel/time/time.c */
1169 asmlinkage
long sys_stime(__kernel_old_time_t __user
*tptr
);
1170 asmlinkage
long sys_stime32(old_time32_t __user
*tptr
);
1172 /* obsolete: kernel/signal.c */
1173 asmlinkage
long sys_sigpending(old_sigset_t __user
*uset
);
1174 asmlinkage
long sys_sigprocmask(int how
, old_sigset_t __user
*set
,
1175 old_sigset_t __user
*oset
);
1176 #ifdef CONFIG_OLD_SIGSUSPEND
1177 asmlinkage
long sys_sigsuspend(old_sigset_t mask
);
1180 #ifdef CONFIG_OLD_SIGSUSPEND3
1181 asmlinkage
long sys_sigsuspend(int unused1
, int unused2
, old_sigset_t mask
);
1184 #ifdef CONFIG_OLD_SIGACTION
1185 asmlinkage
long sys_sigaction(int, const struct old_sigaction __user
*,
1186 struct old_sigaction __user
*);
1188 asmlinkage
long sys_sgetmask(void);
1189 asmlinkage
long sys_ssetmask(int newmask
);
1190 asmlinkage
long sys_signal(int sig
, __sighandler_t handler
);
1192 /* obsolete: kernel/sched/core.c */
1193 asmlinkage
long sys_nice(int increment
);
1195 /* obsolete: kernel/kexec_file.c */
1196 asmlinkage
long sys_kexec_file_load(int kernel_fd
, int initrd_fd
,
1197 unsigned long cmdline_len
,
1198 const char __user
*cmdline_ptr
,
1199 unsigned long flags
);
1201 /* obsolete: kernel/exit.c */
1202 asmlinkage
long sys_waitpid(pid_t pid
, int __user
*stat_addr
, int options
);
1204 /* obsolete: kernel/uid16.c */
1205 #ifdef CONFIG_HAVE_UID16
1206 asmlinkage
long sys_chown16(const char __user
*filename
,
1207 old_uid_t user
, old_gid_t group
);
1208 asmlinkage
long sys_lchown16(const char __user
*filename
,
1209 old_uid_t user
, old_gid_t group
);
1210 asmlinkage
long sys_fchown16(unsigned int fd
, old_uid_t user
, old_gid_t group
);
1211 asmlinkage
long sys_setregid16(old_gid_t rgid
, old_gid_t egid
);
1212 asmlinkage
long sys_setgid16(old_gid_t gid
);
1213 asmlinkage
long sys_setreuid16(old_uid_t ruid
, old_uid_t euid
);
1214 asmlinkage
long sys_setuid16(old_uid_t uid
);
1215 asmlinkage
long sys_setresuid16(old_uid_t ruid
, old_uid_t euid
, old_uid_t suid
);
1216 asmlinkage
long sys_getresuid16(old_uid_t __user
*ruid
,
1217 old_uid_t __user
*euid
, old_uid_t __user
*suid
);
1218 asmlinkage
long sys_setresgid16(old_gid_t rgid
, old_gid_t egid
, old_gid_t sgid
);
1219 asmlinkage
long sys_getresgid16(old_gid_t __user
*rgid
,
1220 old_gid_t __user
*egid
, old_gid_t __user
*sgid
);
1221 asmlinkage
long sys_setfsuid16(old_uid_t uid
);
1222 asmlinkage
long sys_setfsgid16(old_gid_t gid
);
1223 asmlinkage
long sys_getgroups16(int gidsetsize
, old_gid_t __user
*grouplist
);
1224 asmlinkage
long sys_setgroups16(int gidsetsize
, old_gid_t __user
*grouplist
);
1225 asmlinkage
long sys_getuid16(void);
1226 asmlinkage
long sys_geteuid16(void);
1227 asmlinkage
long sys_getgid16(void);
1228 asmlinkage
long sys_getegid16(void);
1231 /* obsolete: net/socket.c */
1232 asmlinkage
long sys_socketcall(int call
, unsigned long __user
*args
);
1234 /* obsolete: fs/stat.c */
1235 asmlinkage
long sys_stat(const char __user
*filename
,
1236 struct __old_kernel_stat __user
*statbuf
);
1237 asmlinkage
long sys_lstat(const char __user
*filename
,
1238 struct __old_kernel_stat __user
*statbuf
);
1239 asmlinkage
long sys_fstat(unsigned int fd
,
1240 struct __old_kernel_stat __user
*statbuf
);
1241 asmlinkage
long sys_readlink(const char __user
*path
,
1242 char __user
*buf
, int bufsiz
);
1244 /* obsolete: fs/select.c */
1245 asmlinkage
long sys_old_select(struct sel_arg_struct __user
*arg
);
1247 /* obsolete: fs/readdir.c */
1248 asmlinkage
long sys_old_readdir(unsigned int, struct old_linux_dirent __user
*, unsigned int);
1250 /* obsolete: kernel/sys.c */
1251 asmlinkage
long sys_gethostname(char __user
*name
, int len
);
1252 asmlinkage
long sys_uname(struct old_utsname __user
*);
1253 asmlinkage
long sys_olduname(struct oldold_utsname __user
*);
1254 #ifdef __ARCH_WANT_SYS_OLD_GETRLIMIT
1255 asmlinkage
long sys_old_getrlimit(unsigned int resource
, struct rlimit __user
*rlim
);
1259 asmlinkage
long sys_ipc(unsigned int call
, int first
, unsigned long second
,
1260 unsigned long third
, void __user
*ptr
, long fifth
);
1263 asmlinkage
long sys_mmap_pgoff(unsigned long addr
, unsigned long len
,
1264 unsigned long prot
, unsigned long flags
,
1265 unsigned long fd
, unsigned long pgoff
);
1266 asmlinkage
long sys_old_mmap(struct mmap_arg_struct __user
*arg
);
1270 * Not a real system call, but a placeholder for syscalls which are
1271 * not implemented -- see kernel/sys_ni.c
1273 asmlinkage
long sys_ni_syscall(void);
1275 #endif /* CONFIG_ARCH_HAS_SYSCALL_WRAPPER */
1279 * Kernel code should not call syscalls (i.e., sys_xyzyyz()) directly.
1280 * Instead, use one of the functions which work equivalently, such as
1281 * the ksys_xyzyyz() functions prototyped below.
1283 ssize_t
ksys_write(unsigned int fd
, const char __user
*buf
, size_t count
);
1284 int ksys_fchown(unsigned int fd
, uid_t user
, gid_t group
);
1285 ssize_t
ksys_read(unsigned int fd
, char __user
*buf
, size_t count
);
1286 void ksys_sync(void);
1287 int ksys_unshare(unsigned long unshare_flags
);
1288 int ksys_setsid(void);
1289 int ksys_sync_file_range(int fd
, loff_t offset
, loff_t nbytes
,
1290 unsigned int flags
);
1291 ssize_t
ksys_pread64(unsigned int fd
, char __user
*buf
, size_t count
,
1293 ssize_t
ksys_pwrite64(unsigned int fd
, const char __user
*buf
,
1294 size_t count
, loff_t pos
);
1295 int ksys_fallocate(int fd
, int mode
, loff_t offset
, loff_t len
);
1296 #ifdef CONFIG_ADVISE_SYSCALLS
1297 int ksys_fadvise64_64(int fd
, loff_t offset
, loff_t len
, int advice
);
1299 static inline int ksys_fadvise64_64(int fd
, loff_t offset
, loff_t len
,
1305 unsigned long ksys_mmap_pgoff(unsigned long addr
, unsigned long len
,
1306 unsigned long prot
, unsigned long flags
,
1307 unsigned long fd
, unsigned long pgoff
);
1308 ssize_t
ksys_readahead(int fd
, loff_t offset
, size_t count
);
1309 int ksys_ipc(unsigned int call
, int first
, unsigned long second
,
1310 unsigned long third
, void __user
* ptr
, long fifth
);
1311 int compat_ksys_ipc(u32 call
, int first
, int second
,
1312 u32 third
, u32 ptr
, u32 fifth
);
1315 * The following kernel syscall equivalents are just wrappers to fs-internal
1316 * functions. Therefore, provide stubs to be inlined at the callsites.
1318 extern int do_fchownat(int dfd
, const char __user
*filename
, uid_t user
,
1319 gid_t group
, int flag
);
1321 static inline long ksys_chown(const char __user
*filename
, uid_t user
,
1324 return do_fchownat(AT_FDCWD
, filename
, user
, group
, 0);
1327 static inline long ksys_lchown(const char __user
*filename
, uid_t user
,
1330 return do_fchownat(AT_FDCWD
, filename
, user
, group
,
1331 AT_SYMLINK_NOFOLLOW
);
1334 extern long do_sys_ftruncate(unsigned int fd
, loff_t length
, int small
);
1336 static inline long ksys_ftruncate(unsigned int fd
, loff_t length
)
1338 return do_sys_ftruncate(fd
, length
, 1);
1341 extern long do_sys_truncate(const char __user
*pathname
, loff_t length
);
1343 static inline long ksys_truncate(const char __user
*pathname
, loff_t length
)
1345 return do_sys_truncate(pathname
, length
);
1348 static inline unsigned int ksys_personality(unsigned int personality
)
1350 unsigned int old
= current
->personality
;
1352 if (personality
!= 0xffffffff)
1353 set_personality(personality
);
1358 /* for __ARCH_WANT_SYS_IPC */
1359 long ksys_semtimedop(int semid
, struct sembuf __user
*tsops
,
1361 const struct __kernel_timespec __user
*timeout
);
1362 long ksys_semget(key_t key
, int nsems
, int semflg
);
1363 long ksys_old_semctl(int semid
, int semnum
, int cmd
, unsigned long arg
);
1364 long ksys_msgget(key_t key
, int msgflg
);
1365 long ksys_old_msgctl(int msqid
, int cmd
, struct msqid_ds __user
*buf
);
1366 long ksys_msgrcv(int msqid
, struct msgbuf __user
*msgp
, size_t msgsz
,
1367 long msgtyp
, int msgflg
);
1368 long ksys_msgsnd(int msqid
, struct msgbuf __user
*msgp
, size_t msgsz
,
1370 long ksys_shmget(key_t key
, size_t size
, int shmflg
);
1371 long ksys_shmdt(char __user
*shmaddr
);
1372 long ksys_old_shmctl(int shmid
, int cmd
, struct shmid_ds __user
*buf
);
1373 long compat_ksys_semtimedop(int semid
, struct sembuf __user
*tsems
,
1375 const struct old_timespec32 __user
*timeout
);
1376 long __do_semtimedop(int semid
, struct sembuf
*tsems
, unsigned int nsops
,
1377 const struct timespec64
*timeout
,
1378 struct ipc_namespace
*ns
);
1380 int __sys_getsockopt(int fd
, int level
, int optname
, char __user
*optval
,
1381 int __user
*optlen
);
1382 int __sys_setsockopt(int fd
, int level
, int optname
, char __user
*optval
,