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
;
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_pgetevents(aio_context_t ctx_id
,
303 struct io_event __user
*events
,
304 struct __kernel_timespec __user
*timeout
,
305 const struct __aio_sigset
*sig
);
306 asmlinkage
long sys_io_pgetevents_time32(aio_context_t ctx_id
,
309 struct io_event __user
*events
,
310 struct old_timespec32 __user
*timeout
,
311 const struct __aio_sigset
*sig
);
314 asmlinkage
long sys_setxattr(const char __user
*path
, const char __user
*name
,
315 const void __user
*value
, size_t size
, int flags
);
316 asmlinkage
long sys_lsetxattr(const char __user
*path
, const char __user
*name
,
317 const void __user
*value
, size_t size
, int flags
);
318 asmlinkage
long sys_fsetxattr(int fd
, const char __user
*name
,
319 const void __user
*value
, size_t size
, int flags
);
320 asmlinkage
long sys_getxattr(const char __user
*path
, const char __user
*name
,
321 void __user
*value
, size_t size
);
322 asmlinkage
long sys_lgetxattr(const char __user
*path
, const char __user
*name
,
323 void __user
*value
, size_t size
);
324 asmlinkage
long sys_fgetxattr(int fd
, const char __user
*name
,
325 void __user
*value
, size_t size
);
326 asmlinkage
long sys_listxattr(const char __user
*path
, char __user
*list
,
328 asmlinkage
long sys_llistxattr(const char __user
*path
, char __user
*list
,
330 asmlinkage
long sys_flistxattr(int fd
, char __user
*list
, size_t size
);
331 asmlinkage
long sys_removexattr(const char __user
*path
,
332 const char __user
*name
);
333 asmlinkage
long sys_lremovexattr(const char __user
*path
,
334 const char __user
*name
);
335 asmlinkage
long sys_fremovexattr(int fd
, const char __user
*name
);
338 asmlinkage
long sys_getcwd(char __user
*buf
, unsigned long size
);
341 asmlinkage
long sys_lookup_dcookie(u64 cookie64
, char __user
*buf
, size_t len
);
344 asmlinkage
long sys_eventfd2(unsigned int count
, int flags
);
347 asmlinkage
long sys_epoll_create1(int flags
);
348 asmlinkage
long sys_epoll_ctl(int epfd
, int op
, int fd
,
349 struct epoll_event __user
*event
);
350 asmlinkage
long sys_epoll_pwait(int epfd
, struct epoll_event __user
*events
,
351 int maxevents
, int timeout
,
352 const sigset_t __user
*sigmask
,
356 asmlinkage
long sys_dup(unsigned int fildes
);
357 asmlinkage
long sys_dup3(unsigned int oldfd
, unsigned int newfd
, int flags
);
358 asmlinkage
long sys_fcntl(unsigned int fd
, unsigned int cmd
, unsigned long arg
);
359 #if BITS_PER_LONG == 32
360 asmlinkage
long sys_fcntl64(unsigned int fd
,
361 unsigned int cmd
, unsigned long arg
);
364 /* fs/inotify_user.c */
365 asmlinkage
long sys_inotify_init1(int flags
);
366 asmlinkage
long sys_inotify_add_watch(int fd
, const char __user
*path
,
368 asmlinkage
long sys_inotify_rm_watch(int fd
, __s32 wd
);
371 asmlinkage
long sys_ioctl(unsigned int fd
, unsigned int cmd
,
375 asmlinkage
long sys_ioprio_set(int which
, int who
, int ioprio
);
376 asmlinkage
long sys_ioprio_get(int which
, int who
);
379 asmlinkage
long sys_flock(unsigned int fd
, unsigned int cmd
);
382 asmlinkage
long sys_mknodat(int dfd
, const char __user
* filename
, umode_t mode
,
384 asmlinkage
long sys_mkdirat(int dfd
, const char __user
* pathname
, umode_t mode
);
385 asmlinkage
long sys_unlinkat(int dfd
, const char __user
* pathname
, int flag
);
386 asmlinkage
long sys_symlinkat(const char __user
* oldname
,
387 int newdfd
, const char __user
* newname
);
388 asmlinkage
long sys_linkat(int olddfd
, const char __user
*oldname
,
389 int newdfd
, const char __user
*newname
, int flags
);
390 asmlinkage
long sys_renameat(int olddfd
, const char __user
* oldname
,
391 int newdfd
, const char __user
* newname
);
394 asmlinkage
long sys_umount(char __user
*name
, int flags
);
395 asmlinkage
long sys_mount(char __user
*dev_name
, char __user
*dir_name
,
396 char __user
*type
, unsigned long flags
,
398 asmlinkage
long sys_pivot_root(const char __user
*new_root
,
399 const char __user
*put_old
);
404 asmlinkage
long sys_statfs(const char __user
* path
,
405 struct statfs __user
*buf
);
406 asmlinkage
long sys_statfs64(const char __user
*path
, size_t sz
,
407 struct statfs64 __user
*buf
);
408 asmlinkage
long sys_fstatfs(unsigned int fd
, struct statfs __user
*buf
);
409 asmlinkage
long sys_fstatfs64(unsigned int fd
, size_t sz
,
410 struct statfs64 __user
*buf
);
411 asmlinkage
long sys_truncate(const char __user
*path
, long length
);
412 asmlinkage
long sys_ftruncate(unsigned int fd
, unsigned long length
);
413 #if BITS_PER_LONG == 32
414 asmlinkage
long sys_truncate64(const char __user
*path
, loff_t length
);
415 asmlinkage
long sys_ftruncate64(unsigned int fd
, loff_t length
);
417 asmlinkage
long sys_fallocate(int fd
, int mode
, loff_t offset
, loff_t len
);
418 asmlinkage
long sys_faccessat(int dfd
, const char __user
*filename
, int mode
);
419 asmlinkage
long sys_chdir(const char __user
*filename
);
420 asmlinkage
long sys_fchdir(unsigned int fd
);
421 asmlinkage
long sys_chroot(const char __user
*filename
);
422 asmlinkage
long sys_fchmod(unsigned int fd
, umode_t mode
);
423 asmlinkage
long sys_fchmodat(int dfd
, const char __user
* filename
,
425 asmlinkage
long sys_fchownat(int dfd
, const char __user
*filename
, uid_t user
,
426 gid_t group
, int flag
);
427 asmlinkage
long sys_fchown(unsigned int fd
, uid_t user
, gid_t group
);
428 asmlinkage
long sys_openat(int dfd
, const char __user
*filename
, int flags
,
430 asmlinkage
long sys_close(unsigned int fd
);
431 asmlinkage
long sys_vhangup(void);
434 asmlinkage
long sys_pipe2(int __user
*fildes
, int flags
);
437 asmlinkage
long sys_quotactl(unsigned int cmd
, const char __user
*special
,
438 qid_t id
, void __user
*addr
);
441 asmlinkage
long sys_getdents64(unsigned int fd
,
442 struct linux_dirent64 __user
*dirent
,
445 /* fs/read_write.c */
446 asmlinkage
long sys_llseek(unsigned int fd
, unsigned long offset_high
,
447 unsigned long offset_low
, loff_t __user
*result
,
448 unsigned int whence
);
449 asmlinkage
long sys_lseek(unsigned int fd
, off_t offset
,
450 unsigned int whence
);
451 asmlinkage
long sys_read(unsigned int fd
, char __user
*buf
, size_t count
);
452 asmlinkage
long sys_write(unsigned int fd
, const char __user
*buf
,
454 asmlinkage
long sys_readv(unsigned long fd
,
455 const struct iovec __user
*vec
,
457 asmlinkage
long sys_writev(unsigned long fd
,
458 const struct iovec __user
*vec
,
460 asmlinkage
long sys_pread64(unsigned int fd
, char __user
*buf
,
461 size_t count
, loff_t pos
);
462 asmlinkage
long sys_pwrite64(unsigned int fd
, const char __user
*buf
,
463 size_t count
, loff_t pos
);
464 asmlinkage
long sys_preadv(unsigned long fd
, const struct iovec __user
*vec
,
465 unsigned long vlen
, unsigned long pos_l
, unsigned long pos_h
);
466 asmlinkage
long sys_pwritev(unsigned long fd
, const struct iovec __user
*vec
,
467 unsigned long vlen
, unsigned long pos_l
, unsigned long pos_h
);
470 asmlinkage
long sys_sendfile64(int out_fd
, int in_fd
,
471 loff_t __user
*offset
, size_t count
);
474 asmlinkage
long sys_pselect6(int, fd_set __user
*, fd_set __user
*,
475 fd_set __user
*, struct __kernel_timespec __user
*,
477 asmlinkage
long sys_pselect6_time32(int, fd_set __user
*, fd_set __user
*,
478 fd_set __user
*, struct old_timespec32 __user
*,
480 asmlinkage
long sys_ppoll(struct pollfd __user
*, unsigned int,
481 struct __kernel_timespec __user
*, const sigset_t __user
*,
483 asmlinkage
long sys_ppoll_time32(struct pollfd __user
*, unsigned int,
484 struct old_timespec32 __user
*, const sigset_t __user
*,
488 asmlinkage
long sys_signalfd4(int ufd
, sigset_t __user
*user_mask
, size_t sizemask
, int flags
);
491 asmlinkage
long sys_vmsplice(int fd
, const struct iovec __user
*iov
,
492 unsigned long nr_segs
, unsigned int flags
);
493 asmlinkage
long sys_splice(int fd_in
, loff_t __user
*off_in
,
494 int fd_out
, loff_t __user
*off_out
,
495 size_t len
, unsigned int flags
);
496 asmlinkage
long sys_tee(int fdin
, int fdout
, size_t len
, unsigned int flags
);
499 asmlinkage
long sys_readlinkat(int dfd
, const char __user
*path
, char __user
*buf
,
501 asmlinkage
long sys_newfstatat(int dfd
, const char __user
*filename
,
502 struct stat __user
*statbuf
, int flag
);
503 asmlinkage
long sys_newfstat(unsigned int fd
, struct stat __user
*statbuf
);
504 #if defined(__ARCH_WANT_STAT64) || defined(__ARCH_WANT_COMPAT_STAT64)
505 asmlinkage
long sys_fstat64(unsigned long fd
, struct stat64 __user
*statbuf
);
506 asmlinkage
long sys_fstatat64(int dfd
, const char __user
*filename
,
507 struct stat64 __user
*statbuf
, int flag
);
511 asmlinkage
long sys_sync(void);
512 asmlinkage
long sys_fsync(unsigned int fd
);
513 asmlinkage
long sys_fdatasync(unsigned int fd
);
514 asmlinkage
long sys_sync_file_range2(int fd
, unsigned int flags
,
515 loff_t offset
, loff_t nbytes
);
516 asmlinkage
long sys_sync_file_range(int fd
, loff_t offset
, loff_t nbytes
,
520 asmlinkage
long sys_timerfd_create(int clockid
, int flags
);
521 asmlinkage
long sys_timerfd_settime(int ufd
, int flags
,
522 const struct __kernel_itimerspec __user
*utmr
,
523 struct __kernel_itimerspec __user
*otmr
);
524 asmlinkage
long sys_timerfd_gettime(int ufd
, struct __kernel_itimerspec __user
*otmr
);
527 asmlinkage
long sys_utimensat(int dfd
, const char __user
*filename
,
528 struct __kernel_timespec __user
*utimes
,
532 asmlinkage
long sys_acct(const char __user
*name
);
534 /* kernel/capability.c */
535 asmlinkage
long sys_capget(cap_user_header_t header
,
536 cap_user_data_t dataptr
);
537 asmlinkage
long sys_capset(cap_user_header_t header
,
538 const cap_user_data_t data
);
540 /* kernel/exec_domain.c */
541 asmlinkage
long sys_personality(unsigned int personality
);
544 asmlinkage
long sys_exit(int error_code
);
545 asmlinkage
long sys_exit_group(int error_code
);
546 asmlinkage
long sys_waitid(int which
, pid_t pid
,
547 struct siginfo __user
*infop
,
548 int options
, struct rusage __user
*ru
);
551 asmlinkage
long sys_set_tid_address(int __user
*tidptr
);
552 asmlinkage
long sys_unshare(unsigned long unshare_flags
);
555 asmlinkage
long sys_futex(u32 __user
*uaddr
, int op
, u32 val
,
556 struct __kernel_timespec __user
*utime
, u32 __user
*uaddr2
,
558 asmlinkage
long sys_get_robust_list(int pid
,
559 struct robust_list_head __user
* __user
*head_ptr
,
560 size_t __user
*len_ptr
);
561 asmlinkage
long sys_set_robust_list(struct robust_list_head __user
*head
,
564 /* kernel/hrtimer.c */
565 asmlinkage
long sys_nanosleep(struct __kernel_timespec __user
*rqtp
,
566 struct __kernel_timespec __user
*rmtp
);
568 /* kernel/itimer.c */
569 asmlinkage
long sys_getitimer(int which
, struct itimerval __user
*value
);
570 asmlinkage
long sys_setitimer(int which
,
571 struct itimerval __user
*value
,
572 struct itimerval __user
*ovalue
);
575 asmlinkage
long sys_kexec_load(unsigned long entry
, unsigned long nr_segments
,
576 struct kexec_segment __user
*segments
,
577 unsigned long flags
);
579 /* kernel/module.c */
580 asmlinkage
long sys_init_module(void __user
*umod
, unsigned long len
,
581 const char __user
*uargs
);
582 asmlinkage
long sys_delete_module(const char __user
*name_user
,
585 /* kernel/posix-timers.c */
586 asmlinkage
long sys_timer_create(clockid_t which_clock
,
587 struct sigevent __user
*timer_event_spec
,
588 timer_t __user
* created_timer_id
);
589 asmlinkage
long sys_timer_gettime(timer_t timer_id
,
590 struct __kernel_itimerspec __user
*setting
);
591 asmlinkage
long sys_timer_getoverrun(timer_t timer_id
);
592 asmlinkage
long sys_timer_settime(timer_t timer_id
, int flags
,
593 const struct __kernel_itimerspec __user
*new_setting
,
594 struct itimerspec __user
*old_setting
);
595 asmlinkage
long sys_timer_delete(timer_t timer_id
);
596 asmlinkage
long sys_clock_settime(clockid_t which_clock
,
597 const struct __kernel_timespec __user
*tp
);
598 asmlinkage
long sys_clock_gettime(clockid_t which_clock
,
599 struct __kernel_timespec __user
*tp
);
600 asmlinkage
long sys_clock_getres(clockid_t which_clock
,
601 struct __kernel_timespec __user
*tp
);
602 asmlinkage
long sys_clock_nanosleep(clockid_t which_clock
, int flags
,
603 const struct __kernel_timespec __user
*rqtp
,
604 struct __kernel_timespec __user
*rmtp
);
606 /* kernel/printk.c */
607 asmlinkage
long sys_syslog(int type
, char __user
*buf
, int len
);
609 /* kernel/ptrace.c */
610 asmlinkage
long sys_ptrace(long request
, long pid
, unsigned long addr
,
612 /* kernel/sched/core.c */
614 asmlinkage
long sys_sched_setparam(pid_t pid
,
615 struct sched_param __user
*param
);
616 asmlinkage
long sys_sched_setscheduler(pid_t pid
, int policy
,
617 struct sched_param __user
*param
);
618 asmlinkage
long sys_sched_getscheduler(pid_t pid
);
619 asmlinkage
long sys_sched_getparam(pid_t pid
,
620 struct sched_param __user
*param
);
621 asmlinkage
long sys_sched_setaffinity(pid_t pid
, unsigned int len
,
622 unsigned long __user
*user_mask_ptr
);
623 asmlinkage
long sys_sched_getaffinity(pid_t pid
, unsigned int len
,
624 unsigned long __user
*user_mask_ptr
);
625 asmlinkage
long sys_sched_yield(void);
626 asmlinkage
long sys_sched_get_priority_max(int policy
);
627 asmlinkage
long sys_sched_get_priority_min(int policy
);
628 asmlinkage
long sys_sched_rr_get_interval(pid_t pid
,
629 struct __kernel_timespec __user
*interval
);
631 /* kernel/signal.c */
632 asmlinkage
long sys_restart_syscall(void);
633 asmlinkage
long sys_kill(pid_t pid
, int sig
);
634 asmlinkage
long sys_tkill(pid_t pid
, int sig
);
635 asmlinkage
long sys_tgkill(pid_t tgid
, pid_t pid
, int sig
);
636 asmlinkage
long sys_sigaltstack(const struct sigaltstack __user
*uss
,
637 struct sigaltstack __user
*uoss
);
638 asmlinkage
long sys_rt_sigsuspend(sigset_t __user
*unewset
, size_t sigsetsize
);
639 #ifndef CONFIG_ODD_RT_SIGACTION
640 asmlinkage
long sys_rt_sigaction(int,
641 const struct sigaction __user
*,
642 struct sigaction __user
*,
645 asmlinkage
long sys_rt_sigprocmask(int how
, sigset_t __user
*set
,
646 sigset_t __user
*oset
, size_t sigsetsize
);
647 asmlinkage
long sys_rt_sigpending(sigset_t __user
*set
, size_t sigsetsize
);
648 asmlinkage
long sys_rt_sigtimedwait(const sigset_t __user
*uthese
,
649 siginfo_t __user
*uinfo
,
650 const struct __kernel_timespec __user
*uts
,
652 asmlinkage
long sys_rt_sigtimedwait_time32(const sigset_t __user
*uthese
,
653 siginfo_t __user
*uinfo
,
654 const struct old_timespec32 __user
*uts
,
656 asmlinkage
long sys_rt_sigqueueinfo(pid_t pid
, int sig
, siginfo_t __user
*uinfo
);
659 asmlinkage
long sys_setpriority(int which
, int who
, int niceval
);
660 asmlinkage
long sys_getpriority(int which
, int who
);
661 asmlinkage
long sys_reboot(int magic1
, int magic2
, unsigned int cmd
,
663 asmlinkage
long sys_setregid(gid_t rgid
, gid_t egid
);
664 asmlinkage
long sys_setgid(gid_t gid
);
665 asmlinkage
long sys_setreuid(uid_t ruid
, uid_t euid
);
666 asmlinkage
long sys_setuid(uid_t uid
);
667 asmlinkage
long sys_setresuid(uid_t ruid
, uid_t euid
, uid_t suid
);
668 asmlinkage
long sys_getresuid(uid_t __user
*ruid
, uid_t __user
*euid
, uid_t __user
*suid
);
669 asmlinkage
long sys_setresgid(gid_t rgid
, gid_t egid
, gid_t sgid
);
670 asmlinkage
long sys_getresgid(gid_t __user
*rgid
, gid_t __user
*egid
, gid_t __user
*sgid
);
671 asmlinkage
long sys_setfsuid(uid_t uid
);
672 asmlinkage
long sys_setfsgid(gid_t gid
);
673 asmlinkage
long sys_times(struct tms __user
*tbuf
);
674 asmlinkage
long sys_setpgid(pid_t pid
, pid_t pgid
);
675 asmlinkage
long sys_getpgid(pid_t pid
);
676 asmlinkage
long sys_getsid(pid_t pid
);
677 asmlinkage
long sys_setsid(void);
678 asmlinkage
long sys_getgroups(int gidsetsize
, gid_t __user
*grouplist
);
679 asmlinkage
long sys_setgroups(int gidsetsize
, gid_t __user
*grouplist
);
680 asmlinkage
long sys_newuname(struct new_utsname __user
*name
);
681 asmlinkage
long sys_sethostname(char __user
*name
, int len
);
682 asmlinkage
long sys_setdomainname(char __user
*name
, int len
);
683 asmlinkage
long sys_getrlimit(unsigned int resource
,
684 struct rlimit __user
*rlim
);
685 asmlinkage
long sys_setrlimit(unsigned int resource
,
686 struct rlimit __user
*rlim
);
687 asmlinkage
long sys_getrusage(int who
, struct rusage __user
*ru
);
688 asmlinkage
long sys_umask(int mask
);
689 asmlinkage
long sys_prctl(int option
, unsigned long arg2
, unsigned long arg3
,
690 unsigned long arg4
, unsigned long arg5
);
691 asmlinkage
long sys_getcpu(unsigned __user
*cpu
, unsigned __user
*node
, struct getcpu_cache __user
*cache
);
694 asmlinkage
long sys_gettimeofday(struct timeval __user
*tv
,
695 struct timezone __user
*tz
);
696 asmlinkage
long sys_settimeofday(struct timeval __user
*tv
,
697 struct timezone __user
*tz
);
698 asmlinkage
long sys_adjtimex(struct timex __user
*txc_p
);
701 asmlinkage
long sys_getpid(void);
702 asmlinkage
long sys_getppid(void);
703 asmlinkage
long sys_getuid(void);
704 asmlinkage
long sys_geteuid(void);
705 asmlinkage
long sys_getgid(void);
706 asmlinkage
long sys_getegid(void);
707 asmlinkage
long sys_gettid(void);
708 asmlinkage
long sys_sysinfo(struct sysinfo __user
*info
);
711 asmlinkage
long sys_mq_open(const char __user
*name
, int oflag
, umode_t mode
, struct mq_attr __user
*attr
);
712 asmlinkage
long sys_mq_unlink(const char __user
*name
);
713 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
);
714 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
);
715 asmlinkage
long sys_mq_notify(mqd_t mqdes
, const struct sigevent __user
*notification
);
716 asmlinkage
long sys_mq_getsetattr(mqd_t mqdes
, const struct mq_attr __user
*mqstat
, struct mq_attr __user
*omqstat
);
719 asmlinkage
long sys_msgget(key_t key
, int msgflg
);
720 asmlinkage
long sys_msgctl(int msqid
, int cmd
, struct msqid_ds __user
*buf
);
721 asmlinkage
long sys_msgrcv(int msqid
, struct msgbuf __user
*msgp
,
722 size_t msgsz
, long msgtyp
, int msgflg
);
723 asmlinkage
long sys_msgsnd(int msqid
, struct msgbuf __user
*msgp
,
724 size_t msgsz
, int msgflg
);
727 asmlinkage
long sys_semget(key_t key
, int nsems
, int semflg
);
728 asmlinkage
long sys_semctl(int semid
, int semnum
, int cmd
, unsigned long arg
);
729 asmlinkage
long sys_semtimedop(int semid
, struct sembuf __user
*sops
,
731 const struct __kernel_timespec __user
*timeout
);
732 asmlinkage
long sys_semop(int semid
, struct sembuf __user
*sops
,
736 asmlinkage
long sys_shmget(key_t key
, size_t size
, int flag
);
737 asmlinkage
long sys_shmctl(int shmid
, int cmd
, struct shmid_ds __user
*buf
);
738 asmlinkage
long sys_shmat(int shmid
, char __user
*shmaddr
, int shmflg
);
739 asmlinkage
long sys_shmdt(char __user
*shmaddr
);
742 asmlinkage
long sys_socket(int, int, int);
743 asmlinkage
long sys_socketpair(int, int, int, int __user
*);
744 asmlinkage
long sys_bind(int, struct sockaddr __user
*, int);
745 asmlinkage
long sys_listen(int, int);
746 asmlinkage
long sys_accept(int, struct sockaddr __user
*, int __user
*);
747 asmlinkage
long sys_connect(int, struct sockaddr __user
*, int);
748 asmlinkage
long sys_getsockname(int, struct sockaddr __user
*, int __user
*);
749 asmlinkage
long sys_getpeername(int, struct sockaddr __user
*, int __user
*);
750 asmlinkage
long sys_sendto(int, void __user
*, size_t, unsigned,
751 struct sockaddr __user
*, int);
752 asmlinkage
long sys_recvfrom(int, void __user
*, size_t, unsigned,
753 struct sockaddr __user
*, int __user
*);
754 asmlinkage
long sys_setsockopt(int fd
, int level
, int optname
,
755 char __user
*optval
, int optlen
);
756 asmlinkage
long sys_getsockopt(int fd
, int level
, int optname
,
757 char __user
*optval
, int __user
*optlen
);
758 asmlinkage
long sys_shutdown(int, int);
759 asmlinkage
long sys_sendmsg(int fd
, struct user_msghdr __user
*msg
, unsigned flags
);
760 asmlinkage
long sys_recvmsg(int fd
, struct user_msghdr __user
*msg
, unsigned flags
);
763 asmlinkage
long sys_readahead(int fd
, loff_t offset
, size_t count
);
765 /* mm/nommu.c, also with MMU */
766 asmlinkage
long sys_brk(unsigned long brk
);
767 asmlinkage
long sys_munmap(unsigned long addr
, size_t len
);
768 asmlinkage
long sys_mremap(unsigned long addr
,
769 unsigned long old_len
, unsigned long new_len
,
770 unsigned long flags
, unsigned long new_addr
);
772 /* security/keys/keyctl.c */
773 asmlinkage
long sys_add_key(const char __user
*_type
,
774 const char __user
*_description
,
775 const void __user
*_payload
,
777 key_serial_t destringid
);
778 asmlinkage
long sys_request_key(const char __user
*_type
,
779 const char __user
*_description
,
780 const char __user
*_callout_info
,
781 key_serial_t destringid
);
782 asmlinkage
long sys_keyctl(int cmd
, unsigned long arg2
, unsigned long arg3
,
783 unsigned long arg4
, unsigned long arg5
);
785 /* arch/example/kernel/sys_example.c */
786 #ifdef CONFIG_CLONE_BACKWARDS
787 asmlinkage
long sys_clone(unsigned long, unsigned long, int __user
*, unsigned long,
790 #ifdef CONFIG_CLONE_BACKWARDS3
791 asmlinkage
long sys_clone(unsigned long, unsigned long, int, int __user
*,
792 int __user
*, unsigned long);
794 asmlinkage
long sys_clone(unsigned long, unsigned long, int __user
*,
795 int __user
*, unsigned long);
798 asmlinkage
long sys_execve(const char __user
*filename
,
799 const char __user
*const __user
*argv
,
800 const char __user
*const __user
*envp
);
803 asmlinkage
long sys_fadvise64_64(int fd
, loff_t offset
, loff_t len
, int advice
);
805 /* mm/, CONFIG_MMU only */
806 asmlinkage
long sys_swapon(const char __user
*specialfile
, int swap_flags
);
807 asmlinkage
long sys_swapoff(const char __user
*specialfile
);
808 asmlinkage
long sys_mprotect(unsigned long start
, size_t len
,
810 asmlinkage
long sys_msync(unsigned long start
, size_t len
, int flags
);
811 asmlinkage
long sys_mlock(unsigned long start
, size_t len
);
812 asmlinkage
long sys_munlock(unsigned long start
, size_t len
);
813 asmlinkage
long sys_mlockall(int flags
);
814 asmlinkage
long sys_munlockall(void);
815 asmlinkage
long sys_mincore(unsigned long start
, size_t len
,
816 unsigned char __user
* vec
);
817 asmlinkage
long sys_madvise(unsigned long start
, size_t len
, int behavior
);
818 asmlinkage
long sys_remap_file_pages(unsigned long start
, unsigned long size
,
819 unsigned long prot
, unsigned long pgoff
,
820 unsigned long flags
);
821 asmlinkage
long sys_mbind(unsigned long start
, unsigned long len
,
823 const unsigned long __user
*nmask
,
824 unsigned long maxnode
,
826 asmlinkage
long sys_get_mempolicy(int __user
*policy
,
827 unsigned long __user
*nmask
,
828 unsigned long maxnode
,
829 unsigned long addr
, unsigned long flags
);
830 asmlinkage
long sys_set_mempolicy(int mode
, const unsigned long __user
*nmask
,
831 unsigned long maxnode
);
832 asmlinkage
long sys_migrate_pages(pid_t pid
, unsigned long maxnode
,
833 const unsigned long __user
*from
,
834 const unsigned long __user
*to
);
835 asmlinkage
long sys_move_pages(pid_t pid
, unsigned long nr_pages
,
836 const void __user
* __user
*pages
,
837 const int __user
*nodes
,
841 asmlinkage
long sys_rt_tgsigqueueinfo(pid_t tgid
, pid_t pid
, int sig
,
842 siginfo_t __user
*uinfo
);
843 asmlinkage
long sys_perf_event_open(
844 struct perf_event_attr __user
*attr_uptr
,
845 pid_t pid
, int cpu
, int group_fd
, unsigned long flags
);
846 asmlinkage
long sys_accept4(int, struct sockaddr __user
*, int __user
*, int);
847 asmlinkage
long sys_recvmmsg(int fd
, struct mmsghdr __user
*msg
,
848 unsigned int vlen
, unsigned flags
,
849 struct __kernel_timespec __user
*timeout
);
850 asmlinkage
long sys_recvmmsg_time32(int fd
, struct mmsghdr __user
*msg
,
851 unsigned int vlen
, unsigned flags
,
852 struct old_timespec32 __user
*timeout
);
854 asmlinkage
long sys_wait4(pid_t pid
, int __user
*stat_addr
,
855 int options
, struct rusage __user
*ru
);
856 asmlinkage
long sys_prlimit64(pid_t pid
, unsigned int resource
,
857 const struct rlimit64 __user
*new_rlim
,
858 struct rlimit64 __user
*old_rlim
);
859 asmlinkage
long sys_fanotify_init(unsigned int flags
, unsigned int event_f_flags
);
860 asmlinkage
long sys_fanotify_mark(int fanotify_fd
, unsigned int flags
,
862 const char __user
*pathname
);
863 asmlinkage
long sys_name_to_handle_at(int dfd
, const char __user
*name
,
864 struct file_handle __user
*handle
,
865 int __user
*mnt_id
, int flag
);
866 asmlinkage
long sys_open_by_handle_at(int mountdirfd
,
867 struct file_handle __user
*handle
,
869 asmlinkage
long sys_clock_adjtime(clockid_t which_clock
,
870 struct timex __user
*tx
);
871 asmlinkage
long sys_syncfs(int fd
);
872 asmlinkage
long sys_setns(int fd
, int nstype
);
873 asmlinkage
long sys_sendmmsg(int fd
, struct mmsghdr __user
*msg
,
874 unsigned int vlen
, unsigned flags
);
875 asmlinkage
long sys_process_vm_readv(pid_t pid
,
876 const struct iovec __user
*lvec
,
877 unsigned long liovcnt
,
878 const struct iovec __user
*rvec
,
879 unsigned long riovcnt
,
880 unsigned long flags
);
881 asmlinkage
long sys_process_vm_writev(pid_t pid
,
882 const struct iovec __user
*lvec
,
883 unsigned long liovcnt
,
884 const struct iovec __user
*rvec
,
885 unsigned long riovcnt
,
886 unsigned long flags
);
887 asmlinkage
long sys_kcmp(pid_t pid1
, pid_t pid2
, int type
,
888 unsigned long idx1
, unsigned long idx2
);
889 asmlinkage
long sys_finit_module(int fd
, const char __user
*uargs
, int flags
);
890 asmlinkage
long sys_sched_setattr(pid_t pid
,
891 struct sched_attr __user
*attr
,
893 asmlinkage
long sys_sched_getattr(pid_t pid
,
894 struct sched_attr __user
*attr
,
897 asmlinkage
long sys_renameat2(int olddfd
, const char __user
*oldname
,
898 int newdfd
, const char __user
*newname
,
900 asmlinkage
long sys_seccomp(unsigned int op
, unsigned int flags
,
902 asmlinkage
long sys_getrandom(char __user
*buf
, size_t count
,
904 asmlinkage
long sys_memfd_create(const char __user
*uname_ptr
, unsigned int flags
);
905 asmlinkage
long sys_bpf(int cmd
, union bpf_attr
*attr
, unsigned int size
);
906 asmlinkage
long sys_execveat(int dfd
, const char __user
*filename
,
907 const char __user
*const __user
*argv
,
908 const char __user
*const __user
*envp
, int flags
);
909 asmlinkage
long sys_userfaultfd(int flags
);
910 asmlinkage
long sys_membarrier(int cmd
, int flags
);
911 asmlinkage
long sys_mlock2(unsigned long start
, size_t len
, int flags
);
912 asmlinkage
long sys_copy_file_range(int fd_in
, loff_t __user
*off_in
,
913 int fd_out
, loff_t __user
*off_out
,
914 size_t len
, unsigned int flags
);
915 asmlinkage
long sys_preadv2(unsigned long fd
, const struct iovec __user
*vec
,
916 unsigned long vlen
, unsigned long pos_l
, unsigned long pos_h
,
918 asmlinkage
long sys_pwritev2(unsigned long fd
, const struct iovec __user
*vec
,
919 unsigned long vlen
, unsigned long pos_l
, unsigned long pos_h
,
921 asmlinkage
long sys_pkey_mprotect(unsigned long start
, size_t len
,
922 unsigned long prot
, int pkey
);
923 asmlinkage
long sys_pkey_alloc(unsigned long flags
, unsigned long init_val
);
924 asmlinkage
long sys_pkey_free(int pkey
);
925 asmlinkage
long sys_statx(int dfd
, const char __user
*path
, unsigned flags
,
926 unsigned mask
, struct statx __user
*buffer
);
927 asmlinkage
long sys_rseq(struct rseq __user
*rseq
, uint32_t rseq_len
,
928 int flags
, uint32_t sig
);
931 * Architecture-specific system calls
934 /* arch/x86/kernel/ioport.c */
935 asmlinkage
long sys_ioperm(unsigned long from
, unsigned long num
, int on
);
937 /* pciconfig: alpha, arm, arm64, ia64, sparc */
938 asmlinkage
long sys_pciconfig_read(unsigned long bus
, unsigned long dfn
,
939 unsigned long off
, unsigned long len
,
941 asmlinkage
long sys_pciconfig_write(unsigned long bus
, unsigned long dfn
,
942 unsigned long off
, unsigned long len
,
944 asmlinkage
long sys_pciconfig_iobase(long which
, unsigned long bus
, unsigned long devfn
);
947 asmlinkage
long sys_spu_run(int fd
, __u32 __user
*unpc
,
948 __u32 __user
*ustatus
);
949 asmlinkage
long sys_spu_create(const char __user
*name
,
950 unsigned int flags
, umode_t mode
, int fd
);
954 * Deprecated system calls which are still defined in
955 * include/uapi/asm-generic/unistd.h and wanted by >= 1 arch
958 /* __ARCH_WANT_SYSCALL_NO_AT */
959 asmlinkage
long sys_open(const char __user
*filename
,
960 int flags
, umode_t mode
);
961 asmlinkage
long sys_link(const char __user
*oldname
,
962 const char __user
*newname
);
963 asmlinkage
long sys_unlink(const char __user
*pathname
);
964 asmlinkage
long sys_mknod(const char __user
*filename
, umode_t mode
,
966 asmlinkage
long sys_chmod(const char __user
*filename
, umode_t mode
);
967 asmlinkage
long sys_chown(const char __user
*filename
,
968 uid_t user
, gid_t group
);
969 asmlinkage
long sys_mkdir(const char __user
*pathname
, umode_t mode
);
970 asmlinkage
long sys_rmdir(const char __user
*pathname
);
971 asmlinkage
long sys_lchown(const char __user
*filename
,
972 uid_t user
, gid_t group
);
973 asmlinkage
long sys_access(const char __user
*filename
, int mode
);
974 asmlinkage
long sys_rename(const char __user
*oldname
,
975 const char __user
*newname
);
976 asmlinkage
long sys_symlink(const char __user
*old
, const char __user
*new);
977 #if defined(__ARCH_WANT_STAT64) || defined(__ARCH_WANT_COMPAT_STAT64)
978 asmlinkage
long sys_stat64(const char __user
*filename
,
979 struct stat64 __user
*statbuf
);
980 asmlinkage
long sys_lstat64(const char __user
*filename
,
981 struct stat64 __user
*statbuf
);
984 /* __ARCH_WANT_SYSCALL_NO_FLAGS */
985 asmlinkage
long sys_pipe(int __user
*fildes
);
986 asmlinkage
long sys_dup2(unsigned int oldfd
, unsigned int newfd
);
987 asmlinkage
long sys_epoll_create(int size
);
988 asmlinkage
long sys_inotify_init(void);
989 asmlinkage
long sys_eventfd(unsigned int count
);
990 asmlinkage
long sys_signalfd(int ufd
, sigset_t __user
*user_mask
, size_t sizemask
);
992 /* __ARCH_WANT_SYSCALL_OFF_T */
993 asmlinkage
long sys_sendfile(int out_fd
, int in_fd
,
994 off_t __user
*offset
, size_t count
);
995 asmlinkage
long sys_newstat(const char __user
*filename
,
996 struct stat __user
*statbuf
);
997 asmlinkage
long sys_newlstat(const char __user
*filename
,
998 struct stat __user
*statbuf
);
999 asmlinkage
long sys_fadvise64(int fd
, loff_t offset
, size_t len
, int advice
);
1001 /* __ARCH_WANT_SYSCALL_DEPRECATED */
1002 asmlinkage
long sys_alarm(unsigned int seconds
);
1003 asmlinkage
long sys_getpgrp(void);
1004 asmlinkage
long sys_pause(void);
1005 asmlinkage
long sys_time(time_t __user
*tloc
);
1006 #ifdef __ARCH_WANT_SYS_UTIME
1007 asmlinkage
long sys_utime(char __user
*filename
,
1008 struct utimbuf __user
*times
);
1009 asmlinkage
long sys_utimes(char __user
*filename
,
1010 struct timeval __user
*utimes
);
1011 asmlinkage
long sys_futimesat(int dfd
, const char __user
*filename
,
1012 struct timeval __user
*utimes
);
1014 asmlinkage
long sys_creat(const char __user
*pathname
, umode_t mode
);
1015 asmlinkage
long sys_getdents(unsigned int fd
,
1016 struct linux_dirent __user
*dirent
,
1017 unsigned int count
);
1018 asmlinkage
long sys_select(int n
, fd_set __user
*inp
, fd_set __user
*outp
,
1019 fd_set __user
*exp
, struct timeval __user
*tvp
);
1020 asmlinkage
long sys_poll(struct pollfd __user
*ufds
, unsigned int nfds
,
1022 asmlinkage
long sys_epoll_wait(int epfd
, struct epoll_event __user
*events
,
1023 int maxevents
, int timeout
);
1024 asmlinkage
long sys_ustat(unsigned dev
, struct ustat __user
*ubuf
);
1025 asmlinkage
long sys_vfork(void);
1026 asmlinkage
long sys_recv(int, void __user
*, size_t, unsigned);
1027 asmlinkage
long sys_send(int, void __user
*, size_t, unsigned);
1028 asmlinkage
long sys_bdflush(int func
, long data
);
1029 asmlinkage
long sys_oldumount(char __user
*name
);
1030 asmlinkage
long sys_uselib(const char __user
*library
);
1031 asmlinkage
long sys_sysctl(struct __sysctl_args __user
*args
);
1032 asmlinkage
long sys_sysfs(int option
,
1033 unsigned long arg1
, unsigned long arg2
);
1034 asmlinkage
long sys_fork(void);
1036 /* obsolete: kernel/time/time.c */
1037 asmlinkage
long sys_stime(time_t __user
*tptr
);
1039 /* obsolete: kernel/signal.c */
1040 asmlinkage
long sys_sigpending(old_sigset_t __user
*uset
);
1041 asmlinkage
long sys_sigprocmask(int how
, old_sigset_t __user
*set
,
1042 old_sigset_t __user
*oset
);
1043 #ifdef CONFIG_OLD_SIGSUSPEND
1044 asmlinkage
long sys_sigsuspend(old_sigset_t mask
);
1047 #ifdef CONFIG_OLD_SIGSUSPEND3
1048 asmlinkage
long sys_sigsuspend(int unused1
, int unused2
, old_sigset_t mask
);
1051 #ifdef CONFIG_OLD_SIGACTION
1052 asmlinkage
long sys_sigaction(int, const struct old_sigaction __user
*,
1053 struct old_sigaction __user
*);
1055 asmlinkage
long sys_sgetmask(void);
1056 asmlinkage
long sys_ssetmask(int newmask
);
1057 asmlinkage
long sys_signal(int sig
, __sighandler_t handler
);
1059 /* obsolete: kernel/sched/core.c */
1060 asmlinkage
long sys_nice(int increment
);
1062 /* obsolete: kernel/kexec_file.c */
1063 asmlinkage
long sys_kexec_file_load(int kernel_fd
, int initrd_fd
,
1064 unsigned long cmdline_len
,
1065 const char __user
*cmdline_ptr
,
1066 unsigned long flags
);
1068 /* obsolete: kernel/exit.c */
1069 asmlinkage
long sys_waitpid(pid_t pid
, int __user
*stat_addr
, int options
);
1071 /* obsolete: kernel/uid16.c */
1072 #ifdef CONFIG_HAVE_UID16
1073 asmlinkage
long sys_chown16(const char __user
*filename
,
1074 old_uid_t user
, old_gid_t group
);
1075 asmlinkage
long sys_lchown16(const char __user
*filename
,
1076 old_uid_t user
, old_gid_t group
);
1077 asmlinkage
long sys_fchown16(unsigned int fd
, old_uid_t user
, old_gid_t group
);
1078 asmlinkage
long sys_setregid16(old_gid_t rgid
, old_gid_t egid
);
1079 asmlinkage
long sys_setgid16(old_gid_t gid
);
1080 asmlinkage
long sys_setreuid16(old_uid_t ruid
, old_uid_t euid
);
1081 asmlinkage
long sys_setuid16(old_uid_t uid
);
1082 asmlinkage
long sys_setresuid16(old_uid_t ruid
, old_uid_t euid
, old_uid_t suid
);
1083 asmlinkage
long sys_getresuid16(old_uid_t __user
*ruid
,
1084 old_uid_t __user
*euid
, old_uid_t __user
*suid
);
1085 asmlinkage
long sys_setresgid16(old_gid_t rgid
, old_gid_t egid
, old_gid_t sgid
);
1086 asmlinkage
long sys_getresgid16(old_gid_t __user
*rgid
,
1087 old_gid_t __user
*egid
, old_gid_t __user
*sgid
);
1088 asmlinkage
long sys_setfsuid16(old_uid_t uid
);
1089 asmlinkage
long sys_setfsgid16(old_gid_t gid
);
1090 asmlinkage
long sys_getgroups16(int gidsetsize
, old_gid_t __user
*grouplist
);
1091 asmlinkage
long sys_setgroups16(int gidsetsize
, old_gid_t __user
*grouplist
);
1092 asmlinkage
long sys_getuid16(void);
1093 asmlinkage
long sys_geteuid16(void);
1094 asmlinkage
long sys_getgid16(void);
1095 asmlinkage
long sys_getegid16(void);
1098 /* obsolete: net/socket.c */
1099 asmlinkage
long sys_socketcall(int call
, unsigned long __user
*args
);
1101 /* obsolete: fs/stat.c */
1102 asmlinkage
long sys_stat(const char __user
*filename
,
1103 struct __old_kernel_stat __user
*statbuf
);
1104 asmlinkage
long sys_lstat(const char __user
*filename
,
1105 struct __old_kernel_stat __user
*statbuf
);
1106 asmlinkage
long sys_fstat(unsigned int fd
,
1107 struct __old_kernel_stat __user
*statbuf
);
1108 asmlinkage
long sys_readlink(const char __user
*path
,
1109 char __user
*buf
, int bufsiz
);
1111 /* obsolete: fs/select.c */
1112 asmlinkage
long sys_old_select(struct sel_arg_struct __user
*arg
);
1114 /* obsolete: fs/readdir.c */
1115 asmlinkage
long sys_old_readdir(unsigned int, struct old_linux_dirent __user
*, unsigned int);
1117 /* obsolete: kernel/sys.c */
1118 asmlinkage
long sys_gethostname(char __user
*name
, int len
);
1119 asmlinkage
long sys_uname(struct old_utsname __user
*);
1120 asmlinkage
long sys_olduname(struct oldold_utsname __user
*);
1121 #ifdef __ARCH_WANT_SYS_OLD_GETRLIMIT
1122 asmlinkage
long sys_old_getrlimit(unsigned int resource
, struct rlimit __user
*rlim
);
1126 asmlinkage
long sys_ipc(unsigned int call
, int first
, unsigned long second
,
1127 unsigned long third
, void __user
*ptr
, long fifth
);
1130 asmlinkage
long sys_mmap_pgoff(unsigned long addr
, unsigned long len
,
1131 unsigned long prot
, unsigned long flags
,
1132 unsigned long fd
, unsigned long pgoff
);
1133 asmlinkage
long sys_old_mmap(struct mmap_arg_struct __user
*arg
);
1137 * Not a real system call, but a placeholder for syscalls which are
1138 * not implemented -- see kernel/sys_ni.c
1140 asmlinkage
long sys_ni_syscall(void);
1142 #endif /* CONFIG_ARCH_HAS_SYSCALL_WRAPPER */
1146 * Kernel code should not call syscalls (i.e., sys_xyzyyz()) directly.
1147 * Instead, use one of the functions which work equivalently, such as
1148 * the ksys_xyzyyz() functions prototyped below.
1151 int ksys_mount(char __user
*dev_name
, char __user
*dir_name
, char __user
*type
,
1152 unsigned long flags
, void __user
*data
);
1153 int ksys_umount(char __user
*name
, int flags
);
1154 int ksys_dup(unsigned int fildes
);
1155 int ksys_chroot(const char __user
*filename
);
1156 ssize_t
ksys_write(unsigned int fd
, const char __user
*buf
, size_t count
);
1157 int ksys_chdir(const char __user
*filename
);
1158 int ksys_fchmod(unsigned int fd
, umode_t mode
);
1159 int ksys_fchown(unsigned int fd
, uid_t user
, gid_t group
);
1160 int ksys_getdents64(unsigned int fd
, struct linux_dirent64 __user
*dirent
,
1161 unsigned int count
);
1162 int ksys_ioctl(unsigned int fd
, unsigned int cmd
, unsigned long arg
);
1163 off_t
ksys_lseek(unsigned int fd
, off_t offset
, unsigned int whence
);
1164 ssize_t
ksys_read(unsigned int fd
, char __user
*buf
, size_t count
);
1165 void ksys_sync(void);
1166 int ksys_unshare(unsigned long unshare_flags
);
1167 int ksys_setsid(void);
1168 int ksys_sync_file_range(int fd
, loff_t offset
, loff_t nbytes
,
1169 unsigned int flags
);
1170 ssize_t
ksys_pread64(unsigned int fd
, char __user
*buf
, size_t count
,
1172 ssize_t
ksys_pwrite64(unsigned int fd
, const char __user
*buf
,
1173 size_t count
, loff_t pos
);
1174 int ksys_fallocate(int fd
, int mode
, loff_t offset
, loff_t len
);
1175 #ifdef CONFIG_ADVISE_SYSCALLS
1176 int ksys_fadvise64_64(int fd
, loff_t offset
, loff_t len
, int advice
);
1178 static inline int ksys_fadvise64_64(int fd
, loff_t offset
, loff_t len
,
1184 unsigned long ksys_mmap_pgoff(unsigned long addr
, unsigned long len
,
1185 unsigned long prot
, unsigned long flags
,
1186 unsigned long fd
, unsigned long pgoff
);
1187 ssize_t
ksys_readahead(int fd
, loff_t offset
, size_t count
);
1188 int ksys_ipc(unsigned int call
, int first
, unsigned long second
,
1189 unsigned long third
, void __user
* ptr
, long fifth
);
1190 int compat_ksys_ipc(u32 call
, int first
, int second
,
1191 u32 third
, u32 ptr
, u32 fifth
);
1194 * The following kernel syscall equivalents are just wrappers to fs-internal
1195 * functions. Therefore, provide stubs to be inlined at the callsites.
1197 extern long do_unlinkat(int dfd
, struct filename
*name
);
1199 static inline long ksys_unlink(const char __user
*pathname
)
1201 return do_unlinkat(AT_FDCWD
, getname(pathname
));
1204 extern long do_rmdir(int dfd
, const char __user
*pathname
);
1206 static inline long ksys_rmdir(const char __user
*pathname
)
1208 return do_rmdir(AT_FDCWD
, pathname
);
1211 extern long do_mkdirat(int dfd
, const char __user
*pathname
, umode_t mode
);
1213 static inline long ksys_mkdir(const char __user
*pathname
, umode_t mode
)
1215 return do_mkdirat(AT_FDCWD
, pathname
, mode
);
1218 extern long do_symlinkat(const char __user
*oldname
, int newdfd
,
1219 const char __user
*newname
);
1221 static inline long ksys_symlink(const char __user
*oldname
,
1222 const char __user
*newname
)
1224 return do_symlinkat(oldname
, AT_FDCWD
, newname
);
1227 extern long do_mknodat(int dfd
, const char __user
*filename
, umode_t mode
,
1230 static inline long ksys_mknod(const char __user
*filename
, umode_t mode
,
1233 return do_mknodat(AT_FDCWD
, filename
, mode
, dev
);
1236 extern int do_linkat(int olddfd
, const char __user
*oldname
, int newdfd
,
1237 const char __user
*newname
, int flags
);
1239 static inline long ksys_link(const char __user
*oldname
,
1240 const char __user
*newname
)
1242 return do_linkat(AT_FDCWD
, oldname
, AT_FDCWD
, newname
, 0);
1245 extern int do_fchmodat(int dfd
, const char __user
*filename
, umode_t mode
);
1247 static inline int ksys_chmod(const char __user
*filename
, umode_t mode
)
1249 return do_fchmodat(AT_FDCWD
, filename
, mode
);
1252 extern long do_faccessat(int dfd
, const char __user
*filename
, int mode
);
1254 static inline long ksys_access(const char __user
*filename
, int mode
)
1256 return do_faccessat(AT_FDCWD
, filename
, mode
);
1259 extern int do_fchownat(int dfd
, const char __user
*filename
, uid_t user
,
1260 gid_t group
, int flag
);
1262 static inline long ksys_chown(const char __user
*filename
, uid_t user
,
1265 return do_fchownat(AT_FDCWD
, filename
, user
, group
, 0);
1268 static inline long ksys_lchown(const char __user
*filename
, uid_t user
,
1271 return do_fchownat(AT_FDCWD
, filename
, user
, group
,
1272 AT_SYMLINK_NOFOLLOW
);
1275 extern long do_sys_ftruncate(unsigned int fd
, loff_t length
, int small
);
1277 static inline long ksys_ftruncate(unsigned int fd
, unsigned long length
)
1279 return do_sys_ftruncate(fd
, length
, 1);
1282 extern int __close_fd(struct files_struct
*files
, unsigned int fd
);
1285 * In contrast to sys_close(), this stub does not check whether the syscall
1286 * should or should not be restarted, but returns the raw error codes from
1289 static inline int ksys_close(unsigned int fd
)
1291 return __close_fd(current
->files
, fd
);
1294 extern long do_sys_open(int dfd
, const char __user
*filename
, int flags
,
1297 static inline long ksys_open(const char __user
*filename
, int flags
,
1300 if (force_o_largefile())
1301 flags
|= O_LARGEFILE
;
1302 return do_sys_open(AT_FDCWD
, filename
, flags
, mode
);
1305 extern long do_sys_truncate(const char __user
*pathname
, loff_t length
);
1307 static inline long ksys_truncate(const char __user
*pathname
, loff_t length
)
1309 return do_sys_truncate(pathname
, length
);
1312 static inline unsigned int ksys_personality(unsigned int personality
)
1314 unsigned int old
= current
->personality
;
1316 if (personality
!= 0xffffffff)
1317 set_personality(personality
);