2 * syscalls.h - Linux syscall interfaces (non-arch-specific)
4 * Copyright (c) 2004 Randy Dunlap
5 * Copyright (c) 2004 Open Source Development Labs
7 * This file is released under the GPLv2.
8 * See the file COPYING for more details.
11 #ifndef _LINUX_SYSCALLS_H
12 #define _LINUX_SYSCALLS_H
25 struct linux_dirent64
;
27 struct mmap_arg_struct
;
34 struct __old_kernel_stat
;
35 struct oldold_utsname
;
43 struct sel_arg_struct
;
57 struct __kernel_timex
;
64 struct robust_list_head
;
66 struct old_linux_dirent
;
67 struct perf_event_attr
;
73 #include <linux/types.h>
74 #include <linux/aio_abi.h>
75 #include <linux/capability.h>
76 #include <linux/signal.h>
77 #include <linux/list.h>
78 #include <linux/bug.h>
79 #include <linux/sem.h>
80 #include <asm/siginfo.h>
81 #include <linux/unistd.h>
82 #include <linux/quota.h>
83 #include <linux/key.h>
84 #include <linux/personality.h>
85 #include <trace/syscall.h>
87 #ifdef CONFIG_ARCH_HAS_SYSCALL_WRAPPER
89 * It may be useful for an architecture to override the definitions of the
90 * SYSCALL_DEFINE0() and __SYSCALL_DEFINEx() macros, in particular to use a
91 * different calling convention for syscalls. To allow for that, the prototypes
92 * for the sys_*() functions below will *not* be included if
93 * CONFIG_ARCH_HAS_SYSCALL_WRAPPER is enabled.
95 #include <asm/syscall_wrapper.h>
96 #endif /* CONFIG_ARCH_HAS_SYSCALL_WRAPPER */
99 * __MAP - apply a macro to syscall arguments
100 * __MAP(n, m, t1, a1, t2, a2, ..., tn, an) will expand to
101 * m(t1, a1), m(t2, a2), ..., m(tn, an)
102 * The first argument must be equal to the amount of type/name
103 * pairs given. Note that this list of pairs (i.e. the arguments
104 * of __MAP starting at the third one) is in the same format as
105 * for SYSCALL_DEFINE<n>/COMPAT_SYSCALL_DEFINE<n>
107 #define __MAP0(m,...)
108 #define __MAP1(m,t,a,...) m(t,a)
109 #define __MAP2(m,t,a,...) m(t,a), __MAP1(m,__VA_ARGS__)
110 #define __MAP3(m,t,a,...) m(t,a), __MAP2(m,__VA_ARGS__)
111 #define __MAP4(m,t,a,...) m(t,a), __MAP3(m,__VA_ARGS__)
112 #define __MAP5(m,t,a,...) m(t,a), __MAP4(m,__VA_ARGS__)
113 #define __MAP6(m,t,a,...) m(t,a), __MAP5(m,__VA_ARGS__)
114 #define __MAP(n,...) __MAP##n(__VA_ARGS__)
116 #define __SC_DECL(t, a) t a
117 #define __TYPE_AS(t, v) __same_type((__force t)0, v)
118 #define __TYPE_IS_L(t) (__TYPE_AS(t, 0L))
119 #define __TYPE_IS_UL(t) (__TYPE_AS(t, 0UL))
120 #define __TYPE_IS_LL(t) (__TYPE_AS(t, 0LL) || __TYPE_AS(t, 0ULL))
121 #define __SC_LONG(t, a) __typeof(__builtin_choose_expr(__TYPE_IS_LL(t), 0LL, 0L)) a
122 #define __SC_CAST(t, a) (__force t) a
123 #define __SC_ARGS(t, a) a
124 #define __SC_TEST(t, a) (void)BUILD_BUG_ON_ZERO(!__TYPE_IS_LL(t) && sizeof(t) > sizeof(long))
126 #ifdef CONFIG_FTRACE_SYSCALLS
127 #define __SC_STR_ADECL(t, a) #a
128 #define __SC_STR_TDECL(t, a) #t
130 extern struct trace_event_class event_class_syscall_enter
;
131 extern struct trace_event_class event_class_syscall_exit
;
132 extern struct trace_event_functions enter_syscall_print_funcs
;
133 extern struct trace_event_functions exit_syscall_print_funcs
;
135 #define SYSCALL_TRACE_ENTER_EVENT(sname) \
136 static struct syscall_metadata __syscall_meta_##sname; \
137 static struct trace_event_call __used \
138 event_enter_##sname = { \
139 .class = &event_class_syscall_enter, \
141 .name = "sys_enter"#sname, \
143 .event.funcs = &enter_syscall_print_funcs, \
144 .data = (void *)&__syscall_meta_##sname,\
145 .flags = TRACE_EVENT_FL_CAP_ANY, \
147 static struct trace_event_call __used \
148 __attribute__((section("_ftrace_events"))) \
149 *__event_enter_##sname = &event_enter_##sname;
151 #define SYSCALL_TRACE_EXIT_EVENT(sname) \
152 static struct syscall_metadata __syscall_meta_##sname; \
153 static struct trace_event_call __used \
154 event_exit_##sname = { \
155 .class = &event_class_syscall_exit, \
157 .name = "sys_exit"#sname, \
159 .event.funcs = &exit_syscall_print_funcs, \
160 .data = (void *)&__syscall_meta_##sname,\
161 .flags = TRACE_EVENT_FL_CAP_ANY, \
163 static struct trace_event_call __used \
164 __attribute__((section("_ftrace_events"))) \
165 *__event_exit_##sname = &event_exit_##sname;
167 #define SYSCALL_METADATA(sname, nb, ...) \
168 static const char *types_##sname[] = { \
169 __MAP(nb,__SC_STR_TDECL,__VA_ARGS__) \
171 static const char *args_##sname[] = { \
172 __MAP(nb,__SC_STR_ADECL,__VA_ARGS__) \
174 SYSCALL_TRACE_ENTER_EVENT(sname); \
175 SYSCALL_TRACE_EXIT_EVENT(sname); \
176 static struct syscall_metadata __used \
177 __syscall_meta_##sname = { \
178 .name = "sys"#sname, \
179 .syscall_nr = -1, /* Filled in at boot */ \
181 .types = nb ? types_##sname : NULL, \
182 .args = nb ? args_##sname : NULL, \
183 .enter_event = &event_enter_##sname, \
184 .exit_event = &event_exit_##sname, \
185 .enter_fields = LIST_HEAD_INIT(__syscall_meta_##sname.enter_fields), \
187 static struct syscall_metadata __used \
188 __attribute__((section("__syscalls_metadata"))) \
189 *__p_syscall_meta_##sname = &__syscall_meta_##sname;
191 static inline int is_syscall_trace_event(struct trace_event_call
*tp_event
)
193 return tp_event
->class == &event_class_syscall_enter
||
194 tp_event
->class == &event_class_syscall_exit
;
198 #define SYSCALL_METADATA(sname, nb, ...)
200 static inline int is_syscall_trace_event(struct trace_event_call
*tp_event
)
206 #ifndef SYSCALL_DEFINE0
207 #define SYSCALL_DEFINE0(sname) \
208 SYSCALL_METADATA(_##sname, 0); \
209 asmlinkage long sys_##sname(void); \
210 ALLOW_ERROR_INJECTION(sys_##sname, ERRNO); \
211 asmlinkage long sys_##sname(void)
212 #endif /* SYSCALL_DEFINE0 */
214 #define SYSCALL_DEFINE1(name, ...) SYSCALL_DEFINEx(1, _##name, __VA_ARGS__)
215 #define SYSCALL_DEFINE2(name, ...) SYSCALL_DEFINEx(2, _##name, __VA_ARGS__)
216 #define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__)
217 #define SYSCALL_DEFINE4(name, ...) SYSCALL_DEFINEx(4, _##name, __VA_ARGS__)
218 #define SYSCALL_DEFINE5(name, ...) SYSCALL_DEFINEx(5, _##name, __VA_ARGS__)
219 #define SYSCALL_DEFINE6(name, ...) SYSCALL_DEFINEx(6, _##name, __VA_ARGS__)
221 #define SYSCALL_DEFINE_MAXARGS 6
223 #define SYSCALL_DEFINEx(x, sname, ...) \
224 SYSCALL_METADATA(sname, x, __VA_ARGS__) \
225 __SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
227 #define __PROTECT(...) asmlinkage_protect(__VA_ARGS__)
230 * The asmlinkage stub is aliased to a function named __se_sys_*() which
231 * sign-extends 32-bit ints to longs whenever needed. The actual work is
232 * done within __do_sys_*().
234 #ifndef __SYSCALL_DEFINEx
235 #define __SYSCALL_DEFINEx(x, name, ...) \
237 __diag_ignore(GCC, 8, "-Wattribute-alias", \
238 "Type aliasing is used to sanitize syscall arguments");\
239 asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \
240 __attribute__((alias(__stringify(__se_sys##name)))); \
241 ALLOW_ERROR_INJECTION(sys##name, ERRNO); \
242 static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));\
243 asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \
244 asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
246 long ret = __do_sys##name(__MAP(x,__SC_CAST,__VA_ARGS__));\
247 __MAP(x,__SC_TEST,__VA_ARGS__); \
248 __PROTECT(x, ret,__MAP(x,__SC_ARGS,__VA_ARGS__)); \
252 static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))
253 #endif /* __SYSCALL_DEFINEx */
256 * Called before coming back to user-mode. Returning to user-mode with an
257 * address limit different than USER_DS can allow to overwrite kernel memory.
259 static inline void addr_limit_user_check(void)
262 if (!test_thread_flag(TIF_FSCHECK
))
266 if (CHECK_DATA_CORRUPTION(!segment_eq(get_fs(), USER_DS
),
267 "Invalid address limit on user-mode return"))
268 force_sig(SIGKILL
, current
);
271 clear_thread_flag(TIF_FSCHECK
);
276 * These syscall function prototypes are kept in the same order as
277 * include/uapi/asm-generic/unistd.h. Architecture specific entries go below,
278 * followed by deprecated or obsolete system calls.
280 * Please note that these prototypes here are only provided for information
281 * purposes, for static analysis, and for linking from the syscall table.
282 * These functions should not be called elsewhere from kernel code.
284 * As the syscall calling convention may be different from the default
285 * for architectures overriding the syscall calling convention, do not
286 * include the prototypes if CONFIG_ARCH_HAS_SYSCALL_WRAPPER is enabled.
288 #ifndef CONFIG_ARCH_HAS_SYSCALL_WRAPPER
289 asmlinkage
long sys_io_setup(unsigned nr_reqs
, aio_context_t __user
*ctx
);
290 asmlinkage
long sys_io_destroy(aio_context_t ctx
);
291 asmlinkage
long sys_io_submit(aio_context_t
, long,
292 struct iocb __user
* __user
*);
293 asmlinkage
long sys_io_cancel(aio_context_t ctx_id
, struct iocb __user
*iocb
,
294 struct io_event __user
*result
);
295 asmlinkage
long sys_io_getevents(aio_context_t ctx_id
,
298 struct io_event __user
*events
,
299 struct __kernel_timespec __user
*timeout
);
300 asmlinkage
long sys_io_getevents_time32(__u32 ctx_id
,
303 struct io_event __user
*events
,
304 struct old_timespec32 __user
*timeout
);
305 asmlinkage
long sys_io_pgetevents(aio_context_t ctx_id
,
308 struct io_event __user
*events
,
309 struct __kernel_timespec __user
*timeout
,
310 const struct __aio_sigset
*sig
);
311 asmlinkage
long sys_io_pgetevents_time32(aio_context_t ctx_id
,
314 struct io_event __user
*events
,
315 struct old_timespec32 __user
*timeout
,
316 const struct __aio_sigset
*sig
);
319 asmlinkage
long sys_setxattr(const char __user
*path
, const char __user
*name
,
320 const void __user
*value
, size_t size
, int flags
);
321 asmlinkage
long sys_lsetxattr(const char __user
*path
, const char __user
*name
,
322 const void __user
*value
, size_t size
, int flags
);
323 asmlinkage
long sys_fsetxattr(int fd
, const char __user
*name
,
324 const void __user
*value
, size_t size
, int flags
);
325 asmlinkage
long sys_getxattr(const char __user
*path
, const char __user
*name
,
326 void __user
*value
, size_t size
);
327 asmlinkage
long sys_lgetxattr(const char __user
*path
, const char __user
*name
,
328 void __user
*value
, size_t size
);
329 asmlinkage
long sys_fgetxattr(int fd
, const char __user
*name
,
330 void __user
*value
, size_t size
);
331 asmlinkage
long sys_listxattr(const char __user
*path
, char __user
*list
,
333 asmlinkage
long sys_llistxattr(const char __user
*path
, char __user
*list
,
335 asmlinkage
long sys_flistxattr(int fd
, char __user
*list
, size_t size
);
336 asmlinkage
long sys_removexattr(const char __user
*path
,
337 const char __user
*name
);
338 asmlinkage
long sys_lremovexattr(const char __user
*path
,
339 const char __user
*name
);
340 asmlinkage
long sys_fremovexattr(int fd
, const char __user
*name
);
343 asmlinkage
long sys_getcwd(char __user
*buf
, unsigned long size
);
346 asmlinkage
long sys_lookup_dcookie(u64 cookie64
, char __user
*buf
, size_t len
);
349 asmlinkage
long sys_eventfd2(unsigned int count
, int flags
);
352 asmlinkage
long sys_epoll_create1(int flags
);
353 asmlinkage
long sys_epoll_ctl(int epfd
, int op
, int fd
,
354 struct epoll_event __user
*event
);
355 asmlinkage
long sys_epoll_pwait(int epfd
, struct epoll_event __user
*events
,
356 int maxevents
, int timeout
,
357 const sigset_t __user
*sigmask
,
361 asmlinkage
long sys_dup(unsigned int fildes
);
362 asmlinkage
long sys_dup3(unsigned int oldfd
, unsigned int newfd
, int flags
);
363 asmlinkage
long sys_fcntl(unsigned int fd
, unsigned int cmd
, unsigned long arg
);
364 #if BITS_PER_LONG == 32
365 asmlinkage
long sys_fcntl64(unsigned int fd
,
366 unsigned int cmd
, unsigned long arg
);
369 /* fs/inotify_user.c */
370 asmlinkage
long sys_inotify_init1(int flags
);
371 asmlinkage
long sys_inotify_add_watch(int fd
, const char __user
*path
,
373 asmlinkage
long sys_inotify_rm_watch(int fd
, __s32 wd
);
376 asmlinkage
long sys_ioctl(unsigned int fd
, unsigned int cmd
,
380 asmlinkage
long sys_ioprio_set(int which
, int who
, int ioprio
);
381 asmlinkage
long sys_ioprio_get(int which
, int who
);
384 asmlinkage
long sys_flock(unsigned int fd
, unsigned int cmd
);
387 asmlinkage
long sys_mknodat(int dfd
, const char __user
* filename
, umode_t mode
,
389 asmlinkage
long sys_mkdirat(int dfd
, const char __user
* pathname
, umode_t mode
);
390 asmlinkage
long sys_unlinkat(int dfd
, const char __user
* pathname
, int flag
);
391 asmlinkage
long sys_symlinkat(const char __user
* oldname
,
392 int newdfd
, const char __user
* newname
);
393 asmlinkage
long sys_linkat(int olddfd
, const char __user
*oldname
,
394 int newdfd
, const char __user
*newname
, int flags
);
395 asmlinkage
long sys_renameat(int olddfd
, const char __user
* oldname
,
396 int newdfd
, const char __user
* newname
);
399 asmlinkage
long sys_umount(char __user
*name
, int flags
);
400 asmlinkage
long sys_mount(char __user
*dev_name
, char __user
*dir_name
,
401 char __user
*type
, unsigned long flags
,
403 asmlinkage
long sys_pivot_root(const char __user
*new_root
,
404 const char __user
*put_old
);
409 asmlinkage
long sys_statfs(const char __user
* path
,
410 struct statfs __user
*buf
);
411 asmlinkage
long sys_statfs64(const char __user
*path
, size_t sz
,
412 struct statfs64 __user
*buf
);
413 asmlinkage
long sys_fstatfs(unsigned int fd
, struct statfs __user
*buf
);
414 asmlinkage
long sys_fstatfs64(unsigned int fd
, size_t sz
,
415 struct statfs64 __user
*buf
);
416 asmlinkage
long sys_truncate(const char __user
*path
, long length
);
417 asmlinkage
long sys_ftruncate(unsigned int fd
, unsigned long length
);
418 #if BITS_PER_LONG == 32
419 asmlinkage
long sys_truncate64(const char __user
*path
, loff_t length
);
420 asmlinkage
long sys_ftruncate64(unsigned int fd
, loff_t length
);
422 asmlinkage
long sys_fallocate(int fd
, int mode
, loff_t offset
, loff_t len
);
423 asmlinkage
long sys_faccessat(int dfd
, const char __user
*filename
, int mode
);
424 asmlinkage
long sys_chdir(const char __user
*filename
);
425 asmlinkage
long sys_fchdir(unsigned int fd
);
426 asmlinkage
long sys_chroot(const char __user
*filename
);
427 asmlinkage
long sys_fchmod(unsigned int fd
, umode_t mode
);
428 asmlinkage
long sys_fchmodat(int dfd
, const char __user
* filename
,
430 asmlinkage
long sys_fchownat(int dfd
, const char __user
*filename
, uid_t user
,
431 gid_t group
, int flag
);
432 asmlinkage
long sys_fchown(unsigned int fd
, uid_t user
, gid_t group
);
433 asmlinkage
long sys_openat(int dfd
, const char __user
*filename
, int flags
,
435 asmlinkage
long sys_close(unsigned int fd
);
436 asmlinkage
long sys_vhangup(void);
439 asmlinkage
long sys_pipe2(int __user
*fildes
, int flags
);
442 asmlinkage
long sys_quotactl(unsigned int cmd
, const char __user
*special
,
443 qid_t id
, void __user
*addr
);
446 asmlinkage
long sys_getdents64(unsigned int fd
,
447 struct linux_dirent64 __user
*dirent
,
450 /* fs/read_write.c */
451 asmlinkage
long sys_llseek(unsigned int fd
, unsigned long offset_high
,
452 unsigned long offset_low
, loff_t __user
*result
,
453 unsigned int whence
);
454 asmlinkage
long sys_lseek(unsigned int fd
, off_t offset
,
455 unsigned int whence
);
456 asmlinkage
long sys_read(unsigned int fd
, char __user
*buf
, size_t count
);
457 asmlinkage
long sys_write(unsigned int fd
, const char __user
*buf
,
459 asmlinkage
long sys_readv(unsigned long fd
,
460 const struct iovec __user
*vec
,
462 asmlinkage
long sys_writev(unsigned long fd
,
463 const struct iovec __user
*vec
,
465 asmlinkage
long sys_pread64(unsigned int fd
, char __user
*buf
,
466 size_t count
, loff_t pos
);
467 asmlinkage
long sys_pwrite64(unsigned int fd
, const char __user
*buf
,
468 size_t count
, loff_t pos
);
469 asmlinkage
long sys_preadv(unsigned long fd
, const struct iovec __user
*vec
,
470 unsigned long vlen
, unsigned long pos_l
, unsigned long pos_h
);
471 asmlinkage
long sys_pwritev(unsigned long fd
, const struct iovec __user
*vec
,
472 unsigned long vlen
, unsigned long pos_l
, unsigned long pos_h
);
475 asmlinkage
long sys_sendfile64(int out_fd
, int in_fd
,
476 loff_t __user
*offset
, size_t count
);
479 asmlinkage
long sys_pselect6(int, fd_set __user
*, fd_set __user
*,
480 fd_set __user
*, struct __kernel_timespec __user
*,
482 asmlinkage
long sys_pselect6_time32(int, fd_set __user
*, fd_set __user
*,
483 fd_set __user
*, struct old_timespec32 __user
*,
485 asmlinkage
long sys_ppoll(struct pollfd __user
*, unsigned int,
486 struct __kernel_timespec __user
*, const sigset_t __user
*,
488 asmlinkage
long sys_ppoll_time32(struct pollfd __user
*, unsigned int,
489 struct old_timespec32 __user
*, const sigset_t __user
*,
493 asmlinkage
long sys_signalfd4(int ufd
, sigset_t __user
*user_mask
, size_t sizemask
, int flags
);
496 asmlinkage
long sys_vmsplice(int fd
, const struct iovec __user
*iov
,
497 unsigned long nr_segs
, unsigned int flags
);
498 asmlinkage
long sys_splice(int fd_in
, loff_t __user
*off_in
,
499 int fd_out
, loff_t __user
*off_out
,
500 size_t len
, unsigned int flags
);
501 asmlinkage
long sys_tee(int fdin
, int fdout
, size_t len
, unsigned int flags
);
504 asmlinkage
long sys_readlinkat(int dfd
, const char __user
*path
, char __user
*buf
,
506 asmlinkage
long sys_newfstatat(int dfd
, const char __user
*filename
,
507 struct stat __user
*statbuf
, int flag
);
508 asmlinkage
long sys_newfstat(unsigned int fd
, struct stat __user
*statbuf
);
509 #if defined(__ARCH_WANT_STAT64) || defined(__ARCH_WANT_COMPAT_STAT64)
510 asmlinkage
long sys_fstat64(unsigned long fd
, struct stat64 __user
*statbuf
);
511 asmlinkage
long sys_fstatat64(int dfd
, const char __user
*filename
,
512 struct stat64 __user
*statbuf
, int flag
);
516 asmlinkage
long sys_sync(void);
517 asmlinkage
long sys_fsync(unsigned int fd
);
518 asmlinkage
long sys_fdatasync(unsigned int fd
);
519 asmlinkage
long sys_sync_file_range2(int fd
, unsigned int flags
,
520 loff_t offset
, loff_t nbytes
);
521 asmlinkage
long sys_sync_file_range(int fd
, loff_t offset
, loff_t nbytes
,
525 asmlinkage
long sys_timerfd_create(int clockid
, int flags
);
526 asmlinkage
long sys_timerfd_settime(int ufd
, int flags
,
527 const struct __kernel_itimerspec __user
*utmr
,
528 struct __kernel_itimerspec __user
*otmr
);
529 asmlinkage
long sys_timerfd_gettime(int ufd
, struct __kernel_itimerspec __user
*otmr
);
530 asmlinkage
long sys_timerfd_gettime32(int ufd
,
531 struct old_itimerspec32 __user
*otmr
);
532 asmlinkage
long sys_timerfd_settime32(int ufd
, int flags
,
533 const struct old_itimerspec32 __user
*utmr
,
534 struct old_itimerspec32 __user
*otmr
);
537 asmlinkage
long sys_utimensat(int dfd
, const char __user
*filename
,
538 struct __kernel_timespec __user
*utimes
,
540 asmlinkage
long sys_utimensat_time32(unsigned int dfd
,
541 const char __user
*filename
,
542 struct old_timespec32 __user
*t
, int flags
);
545 asmlinkage
long sys_acct(const char __user
*name
);
547 /* kernel/capability.c */
548 asmlinkage
long sys_capget(cap_user_header_t header
,
549 cap_user_data_t dataptr
);
550 asmlinkage
long sys_capset(cap_user_header_t header
,
551 const cap_user_data_t data
);
553 /* kernel/exec_domain.c */
554 asmlinkage
long sys_personality(unsigned int personality
);
557 asmlinkage
long sys_exit(int error_code
);
558 asmlinkage
long sys_exit_group(int error_code
);
559 asmlinkage
long sys_waitid(int which
, pid_t pid
,
560 struct siginfo __user
*infop
,
561 int options
, struct rusage __user
*ru
);
564 asmlinkage
long sys_set_tid_address(int __user
*tidptr
);
565 asmlinkage
long sys_unshare(unsigned long unshare_flags
);
568 asmlinkage
long sys_futex(u32 __user
*uaddr
, int op
, u32 val
,
569 struct __kernel_timespec __user
*utime
, u32 __user
*uaddr2
,
571 asmlinkage
long sys_futex_time32(u32 __user
*uaddr
, int op
, u32 val
,
572 struct old_timespec32 __user
*utime
, u32 __user
*uaddr2
,
574 asmlinkage
long sys_get_robust_list(int pid
,
575 struct robust_list_head __user
* __user
*head_ptr
,
576 size_t __user
*len_ptr
);
577 asmlinkage
long sys_set_robust_list(struct robust_list_head __user
*head
,
580 /* kernel/hrtimer.c */
581 asmlinkage
long sys_nanosleep(struct __kernel_timespec __user
*rqtp
,
582 struct __kernel_timespec __user
*rmtp
);
583 asmlinkage
long sys_nanosleep_time32(struct old_timespec32 __user
*rqtp
,
584 struct old_timespec32 __user
*rmtp
);
586 /* kernel/itimer.c */
587 asmlinkage
long sys_getitimer(int which
, struct itimerval __user
*value
);
588 asmlinkage
long sys_setitimer(int which
,
589 struct itimerval __user
*value
,
590 struct itimerval __user
*ovalue
);
593 asmlinkage
long sys_kexec_load(unsigned long entry
, unsigned long nr_segments
,
594 struct kexec_segment __user
*segments
,
595 unsigned long flags
);
597 /* kernel/module.c */
598 asmlinkage
long sys_init_module(void __user
*umod
, unsigned long len
,
599 const char __user
*uargs
);
600 asmlinkage
long sys_delete_module(const char __user
*name_user
,
603 /* kernel/posix-timers.c */
604 asmlinkage
long sys_timer_create(clockid_t which_clock
,
605 struct sigevent __user
*timer_event_spec
,
606 timer_t __user
* created_timer_id
);
607 asmlinkage
long sys_timer_gettime(timer_t timer_id
,
608 struct __kernel_itimerspec __user
*setting
);
609 asmlinkage
long sys_timer_getoverrun(timer_t timer_id
);
610 asmlinkage
long sys_timer_settime(timer_t timer_id
, int flags
,
611 const struct __kernel_itimerspec __user
*new_setting
,
612 struct __kernel_itimerspec __user
*old_setting
);
613 asmlinkage
long sys_timer_delete(timer_t timer_id
);
614 asmlinkage
long sys_clock_settime(clockid_t which_clock
,
615 const struct __kernel_timespec __user
*tp
);
616 asmlinkage
long sys_clock_gettime(clockid_t which_clock
,
617 struct __kernel_timespec __user
*tp
);
618 asmlinkage
long sys_clock_getres(clockid_t which_clock
,
619 struct __kernel_timespec __user
*tp
);
620 asmlinkage
long sys_clock_nanosleep(clockid_t which_clock
, int flags
,
621 const struct __kernel_timespec __user
*rqtp
,
622 struct __kernel_timespec __user
*rmtp
);
623 asmlinkage
long sys_timer_gettime32(timer_t timer_id
,
624 struct old_itimerspec32 __user
*setting
);
625 asmlinkage
long sys_timer_settime32(timer_t timer_id
, int flags
,
626 struct old_itimerspec32 __user
*new,
627 struct old_itimerspec32 __user
*old
);
628 asmlinkage
long sys_clock_settime32(clockid_t which_clock
,
629 struct old_timespec32 __user
*tp
);
630 asmlinkage
long sys_clock_gettime32(clockid_t which_clock
,
631 struct old_timespec32 __user
*tp
);
632 asmlinkage
long sys_clock_getres_time32(clockid_t which_clock
,
633 struct old_timespec32 __user
*tp
);
634 asmlinkage
long sys_clock_nanosleep_time32(clockid_t which_clock
, int flags
,
635 struct old_timespec32 __user
*rqtp
,
636 struct old_timespec32 __user
*rmtp
);
638 /* kernel/printk.c */
639 asmlinkage
long sys_syslog(int type
, char __user
*buf
, int len
);
641 /* kernel/ptrace.c */
642 asmlinkage
long sys_ptrace(long request
, long pid
, unsigned long addr
,
644 /* kernel/sched/core.c */
646 asmlinkage
long sys_sched_setparam(pid_t pid
,
647 struct sched_param __user
*param
);
648 asmlinkage
long sys_sched_setscheduler(pid_t pid
, int policy
,
649 struct sched_param __user
*param
);
650 asmlinkage
long sys_sched_getscheduler(pid_t pid
);
651 asmlinkage
long sys_sched_getparam(pid_t pid
,
652 struct sched_param __user
*param
);
653 asmlinkage
long sys_sched_setaffinity(pid_t pid
, unsigned int len
,
654 unsigned long __user
*user_mask_ptr
);
655 asmlinkage
long sys_sched_getaffinity(pid_t pid
, unsigned int len
,
656 unsigned long __user
*user_mask_ptr
);
657 asmlinkage
long sys_sched_yield(void);
658 asmlinkage
long sys_sched_get_priority_max(int policy
);
659 asmlinkage
long sys_sched_get_priority_min(int policy
);
660 asmlinkage
long sys_sched_rr_get_interval(pid_t pid
,
661 struct __kernel_timespec __user
*interval
);
662 asmlinkage
long sys_sched_rr_get_interval_time32(pid_t pid
,
663 struct old_timespec32 __user
*interval
);
665 /* kernel/signal.c */
666 asmlinkage
long sys_restart_syscall(void);
667 asmlinkage
long sys_kill(pid_t pid
, int sig
);
668 asmlinkage
long sys_tkill(pid_t pid
, int sig
);
669 asmlinkage
long sys_tgkill(pid_t tgid
, pid_t pid
, int sig
);
670 asmlinkage
long sys_sigaltstack(const struct sigaltstack __user
*uss
,
671 struct sigaltstack __user
*uoss
);
672 asmlinkage
long sys_rt_sigsuspend(sigset_t __user
*unewset
, size_t sigsetsize
);
673 #ifndef CONFIG_ODD_RT_SIGACTION
674 asmlinkage
long sys_rt_sigaction(int,
675 const struct sigaction __user
*,
676 struct sigaction __user
*,
679 asmlinkage
long sys_rt_sigprocmask(int how
, sigset_t __user
*set
,
680 sigset_t __user
*oset
, size_t sigsetsize
);
681 asmlinkage
long sys_rt_sigpending(sigset_t __user
*set
, size_t sigsetsize
);
682 asmlinkage
long sys_rt_sigtimedwait(const sigset_t __user
*uthese
,
683 siginfo_t __user
*uinfo
,
684 const struct __kernel_timespec __user
*uts
,
686 asmlinkage
long sys_rt_sigtimedwait_time32(const sigset_t __user
*uthese
,
687 siginfo_t __user
*uinfo
,
688 const struct old_timespec32 __user
*uts
,
690 asmlinkage
long sys_rt_sigqueueinfo(pid_t pid
, int sig
, siginfo_t __user
*uinfo
);
693 asmlinkage
long sys_setpriority(int which
, int who
, int niceval
);
694 asmlinkage
long sys_getpriority(int which
, int who
);
695 asmlinkage
long sys_reboot(int magic1
, int magic2
, unsigned int cmd
,
697 asmlinkage
long sys_setregid(gid_t rgid
, gid_t egid
);
698 asmlinkage
long sys_setgid(gid_t gid
);
699 asmlinkage
long sys_setreuid(uid_t ruid
, uid_t euid
);
700 asmlinkage
long sys_setuid(uid_t uid
);
701 asmlinkage
long sys_setresuid(uid_t ruid
, uid_t euid
, uid_t suid
);
702 asmlinkage
long sys_getresuid(uid_t __user
*ruid
, uid_t __user
*euid
, uid_t __user
*suid
);
703 asmlinkage
long sys_setresgid(gid_t rgid
, gid_t egid
, gid_t sgid
);
704 asmlinkage
long sys_getresgid(gid_t __user
*rgid
, gid_t __user
*egid
, gid_t __user
*sgid
);
705 asmlinkage
long sys_setfsuid(uid_t uid
);
706 asmlinkage
long sys_setfsgid(gid_t gid
);
707 asmlinkage
long sys_times(struct tms __user
*tbuf
);
708 asmlinkage
long sys_setpgid(pid_t pid
, pid_t pgid
);
709 asmlinkage
long sys_getpgid(pid_t pid
);
710 asmlinkage
long sys_getsid(pid_t pid
);
711 asmlinkage
long sys_setsid(void);
712 asmlinkage
long sys_getgroups(int gidsetsize
, gid_t __user
*grouplist
);
713 asmlinkage
long sys_setgroups(int gidsetsize
, gid_t __user
*grouplist
);
714 asmlinkage
long sys_newuname(struct new_utsname __user
*name
);
715 asmlinkage
long sys_sethostname(char __user
*name
, int len
);
716 asmlinkage
long sys_setdomainname(char __user
*name
, int len
);
717 asmlinkage
long sys_getrlimit(unsigned int resource
,
718 struct rlimit __user
*rlim
);
719 asmlinkage
long sys_setrlimit(unsigned int resource
,
720 struct rlimit __user
*rlim
);
721 asmlinkage
long sys_getrusage(int who
, struct rusage __user
*ru
);
722 asmlinkage
long sys_umask(int mask
);
723 asmlinkage
long sys_prctl(int option
, unsigned long arg2
, unsigned long arg3
,
724 unsigned long arg4
, unsigned long arg5
);
725 asmlinkage
long sys_getcpu(unsigned __user
*cpu
, unsigned __user
*node
, struct getcpu_cache __user
*cache
);
728 asmlinkage
long sys_gettimeofday(struct timeval __user
*tv
,
729 struct timezone __user
*tz
);
730 asmlinkage
long sys_settimeofday(struct timeval __user
*tv
,
731 struct timezone __user
*tz
);
732 asmlinkage
long sys_adjtimex(struct __kernel_timex __user
*txc_p
);
733 asmlinkage
long sys_adjtimex_time32(struct old_timex32 __user
*txc_p
);
736 asmlinkage
long sys_getpid(void);
737 asmlinkage
long sys_getppid(void);
738 asmlinkage
long sys_getuid(void);
739 asmlinkage
long sys_geteuid(void);
740 asmlinkage
long sys_getgid(void);
741 asmlinkage
long sys_getegid(void);
742 asmlinkage
long sys_gettid(void);
743 asmlinkage
long sys_sysinfo(struct sysinfo __user
*info
);
746 asmlinkage
long sys_mq_open(const char __user
*name
, int oflag
, umode_t mode
, struct mq_attr __user
*attr
);
747 asmlinkage
long sys_mq_unlink(const char __user
*name
);
748 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
);
749 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
);
750 asmlinkage
long sys_mq_notify(mqd_t mqdes
, const struct sigevent __user
*notification
);
751 asmlinkage
long sys_mq_getsetattr(mqd_t mqdes
, const struct mq_attr __user
*mqstat
, struct mq_attr __user
*omqstat
);
752 asmlinkage
long sys_mq_timedreceive_time32(mqd_t mqdes
,
753 char __user
*u_msg_ptr
,
754 unsigned int msg_len
, unsigned int __user
*u_msg_prio
,
755 const struct old_timespec32 __user
*u_abs_timeout
);
756 asmlinkage
long sys_mq_timedsend_time32(mqd_t mqdes
,
757 const char __user
*u_msg_ptr
,
758 unsigned int msg_len
, unsigned int msg_prio
,
759 const struct old_timespec32 __user
*u_abs_timeout
);
762 asmlinkage
long sys_msgget(key_t key
, int msgflg
);
763 asmlinkage
long sys_old_msgctl(int msqid
, int cmd
, struct msqid_ds __user
*buf
);
764 asmlinkage
long sys_msgctl(int msqid
, int cmd
, struct msqid_ds __user
*buf
);
765 asmlinkage
long sys_msgrcv(int msqid
, struct msgbuf __user
*msgp
,
766 size_t msgsz
, long msgtyp
, int msgflg
);
767 asmlinkage
long sys_msgsnd(int msqid
, struct msgbuf __user
*msgp
,
768 size_t msgsz
, int msgflg
);
771 asmlinkage
long sys_semget(key_t key
, int nsems
, int semflg
);
772 asmlinkage
long sys_semctl(int semid
, int semnum
, int cmd
, unsigned long arg
);
773 asmlinkage
long sys_old_semctl(int semid
, int semnum
, int cmd
, unsigned long arg
);
774 asmlinkage
long sys_semtimedop(int semid
, struct sembuf __user
*sops
,
776 const struct __kernel_timespec __user
*timeout
);
777 asmlinkage
long sys_semtimedop_time32(int semid
, struct sembuf __user
*sops
,
779 const struct old_timespec32 __user
*timeout
);
780 asmlinkage
long sys_semop(int semid
, struct sembuf __user
*sops
,
784 asmlinkage
long sys_shmget(key_t key
, size_t size
, int flag
);
785 asmlinkage
long sys_old_shmctl(int shmid
, int cmd
, struct shmid_ds __user
*buf
);
786 asmlinkage
long sys_shmctl(int shmid
, int cmd
, struct shmid_ds __user
*buf
);
787 asmlinkage
long sys_shmat(int shmid
, char __user
*shmaddr
, int shmflg
);
788 asmlinkage
long sys_shmdt(char __user
*shmaddr
);
791 asmlinkage
long sys_socket(int, int, int);
792 asmlinkage
long sys_socketpair(int, int, int, int __user
*);
793 asmlinkage
long sys_bind(int, struct sockaddr __user
*, int);
794 asmlinkage
long sys_listen(int, int);
795 asmlinkage
long sys_accept(int, struct sockaddr __user
*, int __user
*);
796 asmlinkage
long sys_connect(int, struct sockaddr __user
*, int);
797 asmlinkage
long sys_getsockname(int, struct sockaddr __user
*, int __user
*);
798 asmlinkage
long sys_getpeername(int, struct sockaddr __user
*, int __user
*);
799 asmlinkage
long sys_sendto(int, void __user
*, size_t, unsigned,
800 struct sockaddr __user
*, int);
801 asmlinkage
long sys_recvfrom(int, void __user
*, size_t, unsigned,
802 struct sockaddr __user
*, int __user
*);
803 asmlinkage
long sys_setsockopt(int fd
, int level
, int optname
,
804 char __user
*optval
, int optlen
);
805 asmlinkage
long sys_getsockopt(int fd
, int level
, int optname
,
806 char __user
*optval
, int __user
*optlen
);
807 asmlinkage
long sys_shutdown(int, int);
808 asmlinkage
long sys_sendmsg(int fd
, struct user_msghdr __user
*msg
, unsigned flags
);
809 asmlinkage
long sys_recvmsg(int fd
, struct user_msghdr __user
*msg
, unsigned flags
);
812 asmlinkage
long sys_readahead(int fd
, loff_t offset
, size_t count
);
814 /* mm/nommu.c, also with MMU */
815 asmlinkage
long sys_brk(unsigned long brk
);
816 asmlinkage
long sys_munmap(unsigned long addr
, size_t len
);
817 asmlinkage
long sys_mremap(unsigned long addr
,
818 unsigned long old_len
, unsigned long new_len
,
819 unsigned long flags
, unsigned long new_addr
);
821 /* security/keys/keyctl.c */
822 asmlinkage
long sys_add_key(const char __user
*_type
,
823 const char __user
*_description
,
824 const void __user
*_payload
,
826 key_serial_t destringid
);
827 asmlinkage
long sys_request_key(const char __user
*_type
,
828 const char __user
*_description
,
829 const char __user
*_callout_info
,
830 key_serial_t destringid
);
831 asmlinkage
long sys_keyctl(int cmd
, unsigned long arg2
, unsigned long arg3
,
832 unsigned long arg4
, unsigned long arg5
);
834 /* arch/example/kernel/sys_example.c */
835 #ifdef CONFIG_CLONE_BACKWARDS
836 asmlinkage
long sys_clone(unsigned long, unsigned long, int __user
*, unsigned long,
839 #ifdef CONFIG_CLONE_BACKWARDS3
840 asmlinkage
long sys_clone(unsigned long, unsigned long, int, int __user
*,
841 int __user
*, unsigned long);
843 asmlinkage
long sys_clone(unsigned long, unsigned long, int __user
*,
844 int __user
*, unsigned long);
847 asmlinkage
long sys_execve(const char __user
*filename
,
848 const char __user
*const __user
*argv
,
849 const char __user
*const __user
*envp
);
852 asmlinkage
long sys_fadvise64_64(int fd
, loff_t offset
, loff_t len
, int advice
);
854 /* mm/, CONFIG_MMU only */
855 asmlinkage
long sys_swapon(const char __user
*specialfile
, int swap_flags
);
856 asmlinkage
long sys_swapoff(const char __user
*specialfile
);
857 asmlinkage
long sys_mprotect(unsigned long start
, size_t len
,
859 asmlinkage
long sys_msync(unsigned long start
, size_t len
, int flags
);
860 asmlinkage
long sys_mlock(unsigned long start
, size_t len
);
861 asmlinkage
long sys_munlock(unsigned long start
, size_t len
);
862 asmlinkage
long sys_mlockall(int flags
);
863 asmlinkage
long sys_munlockall(void);
864 asmlinkage
long sys_mincore(unsigned long start
, size_t len
,
865 unsigned char __user
* vec
);
866 asmlinkage
long sys_madvise(unsigned long start
, size_t len
, int behavior
);
867 asmlinkage
long sys_remap_file_pages(unsigned long start
, unsigned long size
,
868 unsigned long prot
, unsigned long pgoff
,
869 unsigned long flags
);
870 asmlinkage
long sys_mbind(unsigned long start
, unsigned long len
,
872 const unsigned long __user
*nmask
,
873 unsigned long maxnode
,
875 asmlinkage
long sys_get_mempolicy(int __user
*policy
,
876 unsigned long __user
*nmask
,
877 unsigned long maxnode
,
878 unsigned long addr
, unsigned long flags
);
879 asmlinkage
long sys_set_mempolicy(int mode
, const unsigned long __user
*nmask
,
880 unsigned long maxnode
);
881 asmlinkage
long sys_migrate_pages(pid_t pid
, unsigned long maxnode
,
882 const unsigned long __user
*from
,
883 const unsigned long __user
*to
);
884 asmlinkage
long sys_move_pages(pid_t pid
, unsigned long nr_pages
,
885 const void __user
* __user
*pages
,
886 const int __user
*nodes
,
890 asmlinkage
long sys_rt_tgsigqueueinfo(pid_t tgid
, pid_t pid
, int sig
,
891 siginfo_t __user
*uinfo
);
892 asmlinkage
long sys_perf_event_open(
893 struct perf_event_attr __user
*attr_uptr
,
894 pid_t pid
, int cpu
, int group_fd
, unsigned long flags
);
895 asmlinkage
long sys_accept4(int, struct sockaddr __user
*, int __user
*, int);
896 asmlinkage
long sys_recvmmsg(int fd
, struct mmsghdr __user
*msg
,
897 unsigned int vlen
, unsigned flags
,
898 struct __kernel_timespec __user
*timeout
);
899 asmlinkage
long sys_recvmmsg_time32(int fd
, struct mmsghdr __user
*msg
,
900 unsigned int vlen
, unsigned flags
,
901 struct old_timespec32 __user
*timeout
);
903 asmlinkage
long sys_wait4(pid_t pid
, int __user
*stat_addr
,
904 int options
, struct rusage __user
*ru
);
905 asmlinkage
long sys_prlimit64(pid_t pid
, unsigned int resource
,
906 const struct rlimit64 __user
*new_rlim
,
907 struct rlimit64 __user
*old_rlim
);
908 asmlinkage
long sys_fanotify_init(unsigned int flags
, unsigned int event_f_flags
);
909 asmlinkage
long sys_fanotify_mark(int fanotify_fd
, unsigned int flags
,
911 const char __user
*pathname
);
912 asmlinkage
long sys_name_to_handle_at(int dfd
, const char __user
*name
,
913 struct file_handle __user
*handle
,
914 int __user
*mnt_id
, int flag
);
915 asmlinkage
long sys_open_by_handle_at(int mountdirfd
,
916 struct file_handle __user
*handle
,
918 asmlinkage
long sys_clock_adjtime(clockid_t which_clock
,
919 struct __kernel_timex __user
*tx
);
920 asmlinkage
long sys_clock_adjtime32(clockid_t which_clock
,
921 struct old_timex32 __user
*tx
);
922 asmlinkage
long sys_syncfs(int fd
);
923 asmlinkage
long sys_setns(int fd
, int nstype
);
924 asmlinkage
long sys_sendmmsg(int fd
, struct mmsghdr __user
*msg
,
925 unsigned int vlen
, unsigned flags
);
926 asmlinkage
long sys_process_vm_readv(pid_t pid
,
927 const struct iovec __user
*lvec
,
928 unsigned long liovcnt
,
929 const struct iovec __user
*rvec
,
930 unsigned long riovcnt
,
931 unsigned long flags
);
932 asmlinkage
long sys_process_vm_writev(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_kcmp(pid_t pid1
, pid_t pid2
, int type
,
939 unsigned long idx1
, unsigned long idx2
);
940 asmlinkage
long sys_finit_module(int fd
, const char __user
*uargs
, int flags
);
941 asmlinkage
long sys_sched_setattr(pid_t pid
,
942 struct sched_attr __user
*attr
,
944 asmlinkage
long sys_sched_getattr(pid_t pid
,
945 struct sched_attr __user
*attr
,
948 asmlinkage
long sys_renameat2(int olddfd
, const char __user
*oldname
,
949 int newdfd
, const char __user
*newname
,
951 asmlinkage
long sys_seccomp(unsigned int op
, unsigned int flags
,
953 asmlinkage
long sys_getrandom(char __user
*buf
, size_t count
,
955 asmlinkage
long sys_memfd_create(const char __user
*uname_ptr
, unsigned int flags
);
956 asmlinkage
long sys_bpf(int cmd
, union bpf_attr
*attr
, unsigned int size
);
957 asmlinkage
long sys_execveat(int dfd
, const char __user
*filename
,
958 const char __user
*const __user
*argv
,
959 const char __user
*const __user
*envp
, int flags
);
960 asmlinkage
long sys_userfaultfd(int flags
);
961 asmlinkage
long sys_membarrier(int cmd
, int flags
);
962 asmlinkage
long sys_mlock2(unsigned long start
, size_t len
, int flags
);
963 asmlinkage
long sys_copy_file_range(int fd_in
, loff_t __user
*off_in
,
964 int fd_out
, loff_t __user
*off_out
,
965 size_t len
, unsigned int flags
);
966 asmlinkage
long sys_preadv2(unsigned long fd
, const struct iovec __user
*vec
,
967 unsigned long vlen
, unsigned long pos_l
, unsigned long pos_h
,
969 asmlinkage
long sys_pwritev2(unsigned long fd
, const struct iovec __user
*vec
,
970 unsigned long vlen
, unsigned long pos_l
, unsigned long pos_h
,
972 asmlinkage
long sys_pkey_mprotect(unsigned long start
, size_t len
,
973 unsigned long prot
, int pkey
);
974 asmlinkage
long sys_pkey_alloc(unsigned long flags
, unsigned long init_val
);
975 asmlinkage
long sys_pkey_free(int pkey
);
976 asmlinkage
long sys_statx(int dfd
, const char __user
*path
, unsigned flags
,
977 unsigned mask
, struct statx __user
*buffer
);
978 asmlinkage
long sys_rseq(struct rseq __user
*rseq
, uint32_t rseq_len
,
979 int flags
, uint32_t sig
);
982 * Architecture-specific system calls
985 /* arch/x86/kernel/ioport.c */
986 asmlinkage
long sys_ioperm(unsigned long from
, unsigned long num
, int on
);
988 /* pciconfig: alpha, arm, arm64, ia64, sparc */
989 asmlinkage
long sys_pciconfig_read(unsigned long bus
, unsigned long dfn
,
990 unsigned long off
, unsigned long len
,
992 asmlinkage
long sys_pciconfig_write(unsigned long bus
, unsigned long dfn
,
993 unsigned long off
, unsigned long len
,
995 asmlinkage
long sys_pciconfig_iobase(long which
, unsigned long bus
, unsigned long devfn
);
998 asmlinkage
long sys_spu_run(int fd
, __u32 __user
*unpc
,
999 __u32 __user
*ustatus
);
1000 asmlinkage
long sys_spu_create(const char __user
*name
,
1001 unsigned int flags
, umode_t mode
, int fd
);
1005 * Deprecated system calls which are still defined in
1006 * include/uapi/asm-generic/unistd.h and wanted by >= 1 arch
1009 /* __ARCH_WANT_SYSCALL_NO_AT */
1010 asmlinkage
long sys_open(const char __user
*filename
,
1011 int flags
, umode_t mode
);
1012 asmlinkage
long sys_link(const char __user
*oldname
,
1013 const char __user
*newname
);
1014 asmlinkage
long sys_unlink(const char __user
*pathname
);
1015 asmlinkage
long sys_mknod(const char __user
*filename
, umode_t mode
,
1017 asmlinkage
long sys_chmod(const char __user
*filename
, umode_t mode
);
1018 asmlinkage
long sys_chown(const char __user
*filename
,
1019 uid_t user
, gid_t group
);
1020 asmlinkage
long sys_mkdir(const char __user
*pathname
, umode_t mode
);
1021 asmlinkage
long sys_rmdir(const char __user
*pathname
);
1022 asmlinkage
long sys_lchown(const char __user
*filename
,
1023 uid_t user
, gid_t group
);
1024 asmlinkage
long sys_access(const char __user
*filename
, int mode
);
1025 asmlinkage
long sys_rename(const char __user
*oldname
,
1026 const char __user
*newname
);
1027 asmlinkage
long sys_symlink(const char __user
*old
, const char __user
*new);
1028 #if defined(__ARCH_WANT_STAT64) || defined(__ARCH_WANT_COMPAT_STAT64)
1029 asmlinkage
long sys_stat64(const char __user
*filename
,
1030 struct stat64 __user
*statbuf
);
1031 asmlinkage
long sys_lstat64(const char __user
*filename
,
1032 struct stat64 __user
*statbuf
);
1035 /* __ARCH_WANT_SYSCALL_NO_FLAGS */
1036 asmlinkage
long sys_pipe(int __user
*fildes
);
1037 asmlinkage
long sys_dup2(unsigned int oldfd
, unsigned int newfd
);
1038 asmlinkage
long sys_epoll_create(int size
);
1039 asmlinkage
long sys_inotify_init(void);
1040 asmlinkage
long sys_eventfd(unsigned int count
);
1041 asmlinkage
long sys_signalfd(int ufd
, sigset_t __user
*user_mask
, size_t sizemask
);
1043 /* __ARCH_WANT_SYSCALL_OFF_T */
1044 asmlinkage
long sys_sendfile(int out_fd
, int in_fd
,
1045 off_t __user
*offset
, size_t count
);
1046 asmlinkage
long sys_newstat(const char __user
*filename
,
1047 struct stat __user
*statbuf
);
1048 asmlinkage
long sys_newlstat(const char __user
*filename
,
1049 struct stat __user
*statbuf
);
1050 asmlinkage
long sys_fadvise64(int fd
, loff_t offset
, size_t len
, int advice
);
1052 /* __ARCH_WANT_SYSCALL_DEPRECATED */
1053 asmlinkage
long sys_alarm(unsigned int seconds
);
1054 asmlinkage
long sys_getpgrp(void);
1055 asmlinkage
long sys_pause(void);
1056 asmlinkage
long sys_time(time_t __user
*tloc
);
1057 asmlinkage
long sys_time32(old_time32_t __user
*tloc
);
1058 #ifdef __ARCH_WANT_SYS_UTIME
1059 asmlinkage
long sys_utime(char __user
*filename
,
1060 struct utimbuf __user
*times
);
1061 asmlinkage
long sys_utimes(char __user
*filename
,
1062 struct timeval __user
*utimes
);
1063 asmlinkage
long sys_futimesat(int dfd
, const char __user
*filename
,
1064 struct timeval __user
*utimes
);
1066 asmlinkage
long sys_futimesat_time32(unsigned int dfd
,
1067 const char __user
*filename
,
1068 struct old_timeval32 __user
*t
);
1069 asmlinkage
long sys_utime32(const char __user
*filename
,
1070 struct old_utimbuf32 __user
*t
);
1071 asmlinkage
long sys_utimes_time32(const char __user
*filename
,
1072 struct old_timeval32 __user
*t
);
1073 asmlinkage
long sys_creat(const char __user
*pathname
, umode_t mode
);
1074 asmlinkage
long sys_getdents(unsigned int fd
,
1075 struct linux_dirent __user
*dirent
,
1076 unsigned int count
);
1077 asmlinkage
long sys_select(int n
, fd_set __user
*inp
, fd_set __user
*outp
,
1078 fd_set __user
*exp
, struct timeval __user
*tvp
);
1079 asmlinkage
long sys_poll(struct pollfd __user
*ufds
, unsigned int nfds
,
1081 asmlinkage
long sys_epoll_wait(int epfd
, struct epoll_event __user
*events
,
1082 int maxevents
, int timeout
);
1083 asmlinkage
long sys_ustat(unsigned dev
, struct ustat __user
*ubuf
);
1084 asmlinkage
long sys_vfork(void);
1085 asmlinkage
long sys_recv(int, void __user
*, size_t, unsigned);
1086 asmlinkage
long sys_send(int, void __user
*, size_t, unsigned);
1087 asmlinkage
long sys_bdflush(int func
, long data
);
1088 asmlinkage
long sys_oldumount(char __user
*name
);
1089 asmlinkage
long sys_uselib(const char __user
*library
);
1090 asmlinkage
long sys_sysctl(struct __sysctl_args __user
*args
);
1091 asmlinkage
long sys_sysfs(int option
,
1092 unsigned long arg1
, unsigned long arg2
);
1093 asmlinkage
long sys_fork(void);
1095 /* obsolete: kernel/time/time.c */
1096 asmlinkage
long sys_stime(time_t __user
*tptr
);
1097 asmlinkage
long sys_stime32(old_time32_t __user
*tptr
);
1099 /* obsolete: kernel/signal.c */
1100 asmlinkage
long sys_sigpending(old_sigset_t __user
*uset
);
1101 asmlinkage
long sys_sigprocmask(int how
, old_sigset_t __user
*set
,
1102 old_sigset_t __user
*oset
);
1103 #ifdef CONFIG_OLD_SIGSUSPEND
1104 asmlinkage
long sys_sigsuspend(old_sigset_t mask
);
1107 #ifdef CONFIG_OLD_SIGSUSPEND3
1108 asmlinkage
long sys_sigsuspend(int unused1
, int unused2
, old_sigset_t mask
);
1111 #ifdef CONFIG_OLD_SIGACTION
1112 asmlinkage
long sys_sigaction(int, const struct old_sigaction __user
*,
1113 struct old_sigaction __user
*);
1115 asmlinkage
long sys_sgetmask(void);
1116 asmlinkage
long sys_ssetmask(int newmask
);
1117 asmlinkage
long sys_signal(int sig
, __sighandler_t handler
);
1119 /* obsolete: kernel/sched/core.c */
1120 asmlinkage
long sys_nice(int increment
);
1122 /* obsolete: kernel/kexec_file.c */
1123 asmlinkage
long sys_kexec_file_load(int kernel_fd
, int initrd_fd
,
1124 unsigned long cmdline_len
,
1125 const char __user
*cmdline_ptr
,
1126 unsigned long flags
);
1128 /* obsolete: kernel/exit.c */
1129 asmlinkage
long sys_waitpid(pid_t pid
, int __user
*stat_addr
, int options
);
1131 /* obsolete: kernel/uid16.c */
1132 #ifdef CONFIG_HAVE_UID16
1133 asmlinkage
long sys_chown16(const char __user
*filename
,
1134 old_uid_t user
, old_gid_t group
);
1135 asmlinkage
long sys_lchown16(const char __user
*filename
,
1136 old_uid_t user
, old_gid_t group
);
1137 asmlinkage
long sys_fchown16(unsigned int fd
, old_uid_t user
, old_gid_t group
);
1138 asmlinkage
long sys_setregid16(old_gid_t rgid
, old_gid_t egid
);
1139 asmlinkage
long sys_setgid16(old_gid_t gid
);
1140 asmlinkage
long sys_setreuid16(old_uid_t ruid
, old_uid_t euid
);
1141 asmlinkage
long sys_setuid16(old_uid_t uid
);
1142 asmlinkage
long sys_setresuid16(old_uid_t ruid
, old_uid_t euid
, old_uid_t suid
);
1143 asmlinkage
long sys_getresuid16(old_uid_t __user
*ruid
,
1144 old_uid_t __user
*euid
, old_uid_t __user
*suid
);
1145 asmlinkage
long sys_setresgid16(old_gid_t rgid
, old_gid_t egid
, old_gid_t sgid
);
1146 asmlinkage
long sys_getresgid16(old_gid_t __user
*rgid
,
1147 old_gid_t __user
*egid
, old_gid_t __user
*sgid
);
1148 asmlinkage
long sys_setfsuid16(old_uid_t uid
);
1149 asmlinkage
long sys_setfsgid16(old_gid_t gid
);
1150 asmlinkage
long sys_getgroups16(int gidsetsize
, old_gid_t __user
*grouplist
);
1151 asmlinkage
long sys_setgroups16(int gidsetsize
, old_gid_t __user
*grouplist
);
1152 asmlinkage
long sys_getuid16(void);
1153 asmlinkage
long sys_geteuid16(void);
1154 asmlinkage
long sys_getgid16(void);
1155 asmlinkage
long sys_getegid16(void);
1158 /* obsolete: net/socket.c */
1159 asmlinkage
long sys_socketcall(int call
, unsigned long __user
*args
);
1161 /* obsolete: fs/stat.c */
1162 asmlinkage
long sys_stat(const char __user
*filename
,
1163 struct __old_kernel_stat __user
*statbuf
);
1164 asmlinkage
long sys_lstat(const char __user
*filename
,
1165 struct __old_kernel_stat __user
*statbuf
);
1166 asmlinkage
long sys_fstat(unsigned int fd
,
1167 struct __old_kernel_stat __user
*statbuf
);
1168 asmlinkage
long sys_readlink(const char __user
*path
,
1169 char __user
*buf
, int bufsiz
);
1171 /* obsolete: fs/select.c */
1172 asmlinkage
long sys_old_select(struct sel_arg_struct __user
*arg
);
1174 /* obsolete: fs/readdir.c */
1175 asmlinkage
long sys_old_readdir(unsigned int, struct old_linux_dirent __user
*, unsigned int);
1177 /* obsolete: kernel/sys.c */
1178 asmlinkage
long sys_gethostname(char __user
*name
, int len
);
1179 asmlinkage
long sys_uname(struct old_utsname __user
*);
1180 asmlinkage
long sys_olduname(struct oldold_utsname __user
*);
1181 #ifdef __ARCH_WANT_SYS_OLD_GETRLIMIT
1182 asmlinkage
long sys_old_getrlimit(unsigned int resource
, struct rlimit __user
*rlim
);
1186 asmlinkage
long sys_ipc(unsigned int call
, int first
, unsigned long second
,
1187 unsigned long third
, void __user
*ptr
, long fifth
);
1190 asmlinkage
long sys_mmap_pgoff(unsigned long addr
, unsigned long len
,
1191 unsigned long prot
, unsigned long flags
,
1192 unsigned long fd
, unsigned long pgoff
);
1193 asmlinkage
long sys_old_mmap(struct mmap_arg_struct __user
*arg
);
1197 * Not a real system call, but a placeholder for syscalls which are
1198 * not implemented -- see kernel/sys_ni.c
1200 asmlinkage
long sys_ni_syscall(void);
1202 #endif /* CONFIG_ARCH_HAS_SYSCALL_WRAPPER */
1206 * Kernel code should not call syscalls (i.e., sys_xyzyyz()) directly.
1207 * Instead, use one of the functions which work equivalently, such as
1208 * the ksys_xyzyyz() functions prototyped below.
1211 int ksys_mount(char __user
*dev_name
, char __user
*dir_name
, char __user
*type
,
1212 unsigned long flags
, void __user
*data
);
1213 int ksys_umount(char __user
*name
, int flags
);
1214 int ksys_dup(unsigned int fildes
);
1215 int ksys_chroot(const char __user
*filename
);
1216 ssize_t
ksys_write(unsigned int fd
, const char __user
*buf
, size_t count
);
1217 int ksys_chdir(const char __user
*filename
);
1218 int ksys_fchmod(unsigned int fd
, umode_t mode
);
1219 int ksys_fchown(unsigned int fd
, uid_t user
, gid_t group
);
1220 int ksys_getdents64(unsigned int fd
, struct linux_dirent64 __user
*dirent
,
1221 unsigned int count
);
1222 int ksys_ioctl(unsigned int fd
, unsigned int cmd
, unsigned long arg
);
1223 off_t
ksys_lseek(unsigned int fd
, off_t offset
, unsigned int whence
);
1224 ssize_t
ksys_read(unsigned int fd
, char __user
*buf
, size_t count
);
1225 void ksys_sync(void);
1226 int ksys_unshare(unsigned long unshare_flags
);
1227 int ksys_setsid(void);
1228 int ksys_sync_file_range(int fd
, loff_t offset
, loff_t nbytes
,
1229 unsigned int flags
);
1230 ssize_t
ksys_pread64(unsigned int fd
, char __user
*buf
, size_t count
,
1232 ssize_t
ksys_pwrite64(unsigned int fd
, const char __user
*buf
,
1233 size_t count
, loff_t pos
);
1234 int ksys_fallocate(int fd
, int mode
, loff_t offset
, loff_t len
);
1235 #ifdef CONFIG_ADVISE_SYSCALLS
1236 int ksys_fadvise64_64(int fd
, loff_t offset
, loff_t len
, int advice
);
1238 static inline int ksys_fadvise64_64(int fd
, loff_t offset
, loff_t len
,
1244 unsigned long ksys_mmap_pgoff(unsigned long addr
, unsigned long len
,
1245 unsigned long prot
, unsigned long flags
,
1246 unsigned long fd
, unsigned long pgoff
);
1247 ssize_t
ksys_readahead(int fd
, loff_t offset
, size_t count
);
1248 int ksys_ipc(unsigned int call
, int first
, unsigned long second
,
1249 unsigned long third
, void __user
* ptr
, long fifth
);
1250 int compat_ksys_ipc(u32 call
, int first
, int second
,
1251 u32 third
, u32 ptr
, u32 fifth
);
1254 * The following kernel syscall equivalents are just wrappers to fs-internal
1255 * functions. Therefore, provide stubs to be inlined at the callsites.
1257 extern long do_unlinkat(int dfd
, struct filename
*name
);
1259 static inline long ksys_unlink(const char __user
*pathname
)
1261 return do_unlinkat(AT_FDCWD
, getname(pathname
));
1264 extern long do_rmdir(int dfd
, const char __user
*pathname
);
1266 static inline long ksys_rmdir(const char __user
*pathname
)
1268 return do_rmdir(AT_FDCWD
, pathname
);
1271 extern long do_mkdirat(int dfd
, const char __user
*pathname
, umode_t mode
);
1273 static inline long ksys_mkdir(const char __user
*pathname
, umode_t mode
)
1275 return do_mkdirat(AT_FDCWD
, pathname
, mode
);
1278 extern long do_symlinkat(const char __user
*oldname
, int newdfd
,
1279 const char __user
*newname
);
1281 static inline long ksys_symlink(const char __user
*oldname
,
1282 const char __user
*newname
)
1284 return do_symlinkat(oldname
, AT_FDCWD
, newname
);
1287 extern long do_mknodat(int dfd
, const char __user
*filename
, umode_t mode
,
1290 static inline long ksys_mknod(const char __user
*filename
, umode_t mode
,
1293 return do_mknodat(AT_FDCWD
, filename
, mode
, dev
);
1296 extern int do_linkat(int olddfd
, const char __user
*oldname
, int newdfd
,
1297 const char __user
*newname
, int flags
);
1299 static inline long ksys_link(const char __user
*oldname
,
1300 const char __user
*newname
)
1302 return do_linkat(AT_FDCWD
, oldname
, AT_FDCWD
, newname
, 0);
1305 extern int do_fchmodat(int dfd
, const char __user
*filename
, umode_t mode
);
1307 static inline int ksys_chmod(const char __user
*filename
, umode_t mode
)
1309 return do_fchmodat(AT_FDCWD
, filename
, mode
);
1312 extern long do_faccessat(int dfd
, const char __user
*filename
, int mode
);
1314 static inline long ksys_access(const char __user
*filename
, int mode
)
1316 return do_faccessat(AT_FDCWD
, filename
, mode
);
1319 extern int do_fchownat(int dfd
, const char __user
*filename
, uid_t user
,
1320 gid_t group
, int flag
);
1322 static inline long ksys_chown(const char __user
*filename
, uid_t user
,
1325 return do_fchownat(AT_FDCWD
, filename
, user
, group
, 0);
1328 static inline long ksys_lchown(const char __user
*filename
, uid_t user
,
1331 return do_fchownat(AT_FDCWD
, filename
, user
, group
,
1332 AT_SYMLINK_NOFOLLOW
);
1335 extern long do_sys_ftruncate(unsigned int fd
, loff_t length
, int small
);
1337 static inline long ksys_ftruncate(unsigned int fd
, unsigned long length
)
1339 return do_sys_ftruncate(fd
, length
, 1);
1342 extern int __close_fd(struct files_struct
*files
, unsigned int fd
);
1345 * In contrast to sys_close(), this stub does not check whether the syscall
1346 * should or should not be restarted, but returns the raw error codes from
1349 static inline int ksys_close(unsigned int fd
)
1351 return __close_fd(current
->files
, fd
);
1354 extern long do_sys_open(int dfd
, const char __user
*filename
, int flags
,
1357 static inline long ksys_open(const char __user
*filename
, int flags
,
1360 if (force_o_largefile())
1361 flags
|= O_LARGEFILE
;
1362 return do_sys_open(AT_FDCWD
, filename
, flags
, mode
);
1365 extern long do_sys_truncate(const char __user
*pathname
, loff_t length
);
1367 static inline long ksys_truncate(const char __user
*pathname
, loff_t length
)
1369 return do_sys_truncate(pathname
, length
);
1372 static inline unsigned int ksys_personality(unsigned int personality
)
1374 unsigned int old
= current
->personality
;
1376 if (personality
!= 0xffffffff)
1377 set_personality(personality
);