Line data Source code
1 : /* SPDX-License-Identifier: GPL-2.0-only */
2 : /*
3 : * syscalls.h - Linux syscall interfaces (non-arch-specific)
4 : *
5 : * Copyright (c) 2004 Randy Dunlap
6 : * Copyright (c) 2004 Open Source Development Labs
7 : */
8 :
9 : #ifndef _LINUX_SYSCALLS_H
10 : #define _LINUX_SYSCALLS_H
11 :
12 : struct __aio_sigset;
13 : struct epoll_event;
14 : struct iattr;
15 : struct inode;
16 : struct iocb;
17 : struct io_event;
18 : struct iovec;
19 : struct __kernel_old_itimerval;
20 : struct kexec_segment;
21 : struct linux_dirent;
22 : struct linux_dirent64;
23 : struct list_head;
24 : struct mmap_arg_struct;
25 : struct msgbuf;
26 : struct user_msghdr;
27 : struct mmsghdr;
28 : struct msqid_ds;
29 : struct new_utsname;
30 : struct nfsctl_arg;
31 : struct __old_kernel_stat;
32 : struct oldold_utsname;
33 : struct old_utsname;
34 : struct pollfd;
35 : struct rlimit;
36 : struct rlimit64;
37 : struct rusage;
38 : struct sched_param;
39 : struct sched_attr;
40 : struct sel_arg_struct;
41 : struct semaphore;
42 : struct sembuf;
43 : struct shmid_ds;
44 : struct sockaddr;
45 : struct stat;
46 : struct stat64;
47 : struct statfs;
48 : struct statfs64;
49 : struct statx;
50 : struct sysinfo;
51 : struct timespec;
52 : struct __kernel_old_timeval;
53 : struct __kernel_timex;
54 : struct timezone;
55 : struct tms;
56 : struct utimbuf;
57 : struct mq_attr;
58 : struct compat_stat;
59 : struct old_timeval32;
60 : struct robust_list_head;
61 : struct futex_waitv;
62 : struct getcpu_cache;
63 : struct old_linux_dirent;
64 : struct perf_event_attr;
65 : struct file_handle;
66 : struct sigaltstack;
67 : struct rseq;
68 : union bpf_attr;
69 : struct io_uring_params;
70 : struct clone_args;
71 : struct open_how;
72 : struct mount_attr;
73 : struct landlock_ruleset_attr;
74 : enum landlock_rule_type;
75 : struct cachestat_range;
76 : struct cachestat;
77 :
78 : #include <linux/types.h>
79 : #include <linux/aio_abi.h>
80 : #include <linux/capability.h>
81 : #include <linux/signal.h>
82 : #include <linux/list.h>
83 : #include <linux/bug.h>
84 : #include <linux/sem.h>
85 : #include <asm/siginfo.h>
86 : #include <linux/unistd.h>
87 : #include <linux/quota.h>
88 : #include <linux/key.h>
89 : #include <linux/personality.h>
90 : #include <trace/syscall.h>
91 :
92 : #ifdef CONFIG_ARCH_HAS_SYSCALL_WRAPPER
93 : /*
94 : * It may be useful for an architecture to override the definitions of the
95 : * SYSCALL_DEFINE0() and __SYSCALL_DEFINEx() macros, in particular to use a
96 : * different calling convention for syscalls. To allow for that, the prototypes
97 : * for the sys_*() functions below will *not* be included if
98 : * CONFIG_ARCH_HAS_SYSCALL_WRAPPER is enabled.
99 : */
100 : #include <asm/syscall_wrapper.h>
101 : #endif /* CONFIG_ARCH_HAS_SYSCALL_WRAPPER */
102 :
103 : /*
104 : * __MAP - apply a macro to syscall arguments
105 : * __MAP(n, m, t1, a1, t2, a2, ..., tn, an) will expand to
106 : * m(t1, a1), m(t2, a2), ..., m(tn, an)
107 : * The first argument must be equal to the amount of type/name
108 : * pairs given. Note that this list of pairs (i.e. the arguments
109 : * of __MAP starting at the third one) is in the same format as
110 : * for SYSCALL_DEFINE<n>/COMPAT_SYSCALL_DEFINE<n>
111 : */
112 : #define __MAP0(m,...)
113 : #define __MAP1(m,t,a,...) m(t,a)
114 : #define __MAP2(m,t,a,...) m(t,a), __MAP1(m,__VA_ARGS__)
115 : #define __MAP3(m,t,a,...) m(t,a), __MAP2(m,__VA_ARGS__)
116 : #define __MAP4(m,t,a,...) m(t,a), __MAP3(m,__VA_ARGS__)
117 : #define __MAP5(m,t,a,...) m(t,a), __MAP4(m,__VA_ARGS__)
118 : #define __MAP6(m,t,a,...) m(t,a), __MAP5(m,__VA_ARGS__)
119 : #define __MAP(n,...) __MAP##n(__VA_ARGS__)
120 :
121 : #define __SC_DECL(t, a) t a
122 : #define __TYPE_AS(t, v) __same_type((__force t)0, v)
123 : #define __TYPE_IS_L(t) (__TYPE_AS(t, 0L))
124 : #define __TYPE_IS_UL(t) (__TYPE_AS(t, 0UL))
125 : #define __TYPE_IS_LL(t) (__TYPE_AS(t, 0LL) || __TYPE_AS(t, 0ULL))
126 : #define __SC_LONG(t, a) __typeof(__builtin_choose_expr(__TYPE_IS_LL(t), 0LL, 0L)) a
127 : #define __SC_CAST(t, a) (__force t) a
128 : #define __SC_ARGS(t, a) a
129 : #define __SC_TEST(t, a) (void)BUILD_BUG_ON_ZERO(!__TYPE_IS_LL(t) && sizeof(t) > sizeof(long))
130 :
131 : #ifdef CONFIG_FTRACE_SYSCALLS
132 : #define __SC_STR_ADECL(t, a) #a
133 : #define __SC_STR_TDECL(t, a) #t
134 :
135 : extern struct trace_event_class event_class_syscall_enter;
136 : extern struct trace_event_class event_class_syscall_exit;
137 : extern struct trace_event_functions enter_syscall_print_funcs;
138 : extern struct trace_event_functions exit_syscall_print_funcs;
139 :
140 : #define SYSCALL_TRACE_ENTER_EVENT(sname) \
141 : static struct syscall_metadata __syscall_meta_##sname; \
142 : static struct trace_event_call __used \
143 : event_enter_##sname = { \
144 : .class = &event_class_syscall_enter, \
145 : { \
146 : .name = "sys_enter"#sname, \
147 : }, \
148 : .event.funcs = &enter_syscall_print_funcs, \
149 : .data = (void *)&__syscall_meta_##sname,\
150 : .flags = TRACE_EVENT_FL_CAP_ANY, \
151 : }; \
152 : static struct trace_event_call __used \
153 : __section("_ftrace_events") \
154 : *__event_enter_##sname = &event_enter_##sname;
155 :
156 : #define SYSCALL_TRACE_EXIT_EVENT(sname) \
157 : static struct syscall_metadata __syscall_meta_##sname; \
158 : static struct trace_event_call __used \
159 : event_exit_##sname = { \
160 : .class = &event_class_syscall_exit, \
161 : { \
162 : .name = "sys_exit"#sname, \
163 : }, \
164 : .event.funcs = &exit_syscall_print_funcs, \
165 : .data = (void *)&__syscall_meta_##sname,\
166 : .flags = TRACE_EVENT_FL_CAP_ANY, \
167 : }; \
168 : static struct trace_event_call __used \
169 : __section("_ftrace_events") \
170 : *__event_exit_##sname = &event_exit_##sname;
171 :
172 : #define SYSCALL_METADATA(sname, nb, ...) \
173 : static const char *types_##sname[] = { \
174 : __MAP(nb,__SC_STR_TDECL,__VA_ARGS__) \
175 : }; \
176 : static const char *args_##sname[] = { \
177 : __MAP(nb,__SC_STR_ADECL,__VA_ARGS__) \
178 : }; \
179 : SYSCALL_TRACE_ENTER_EVENT(sname); \
180 : SYSCALL_TRACE_EXIT_EVENT(sname); \
181 : static struct syscall_metadata __used \
182 : __syscall_meta_##sname = { \
183 : .name = "sys"#sname, \
184 : .syscall_nr = -1, /* Filled in at boot */ \
185 : .nb_args = nb, \
186 : .types = nb ? types_##sname : NULL, \
187 : .args = nb ? args_##sname : NULL, \
188 : .enter_event = &event_enter_##sname, \
189 : .exit_event = &event_exit_##sname, \
190 : .enter_fields = LIST_HEAD_INIT(__syscall_meta_##sname.enter_fields), \
191 : }; \
192 : static struct syscall_metadata __used \
193 : __section("__syscalls_metadata") \
194 : *__p_syscall_meta_##sname = &__syscall_meta_##sname;
195 :
196 : static inline int is_syscall_trace_event(struct trace_event_call *tp_event)
197 : {
198 : return tp_event->class == &event_class_syscall_enter ||
199 : tp_event->class == &event_class_syscall_exit;
200 : }
201 :
202 : #else
203 : #define SYSCALL_METADATA(sname, nb, ...)
204 :
205 : static inline int is_syscall_trace_event(struct trace_event_call *tp_event)
206 : {
207 : return 0;
208 : }
209 : #endif
210 :
211 : #ifndef SYSCALL_DEFINE0
212 : #define SYSCALL_DEFINE0(sname) \
213 : SYSCALL_METADATA(_##sname, 0); \
214 : asmlinkage long sys_##sname(void); \
215 : ALLOW_ERROR_INJECTION(sys_##sname, ERRNO); \
216 : asmlinkage long sys_##sname(void)
217 : #endif /* SYSCALL_DEFINE0 */
218 :
219 : #define SYSCALL_DEFINE1(name, ...) SYSCALL_DEFINEx(1, _##name, __VA_ARGS__)
220 : #define SYSCALL_DEFINE2(name, ...) SYSCALL_DEFINEx(2, _##name, __VA_ARGS__)
221 : #define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__)
222 : #define SYSCALL_DEFINE4(name, ...) SYSCALL_DEFINEx(4, _##name, __VA_ARGS__)
223 : #define SYSCALL_DEFINE5(name, ...) SYSCALL_DEFINEx(5, _##name, __VA_ARGS__)
224 : #define SYSCALL_DEFINE6(name, ...) SYSCALL_DEFINEx(6, _##name, __VA_ARGS__)
225 :
226 : #define SYSCALL_DEFINE_MAXARGS 6
227 :
228 : #define SYSCALL_DEFINEx(x, sname, ...) \
229 : SYSCALL_METADATA(sname, x, __VA_ARGS__) \
230 : __SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
231 :
232 : #define __PROTECT(...) asmlinkage_protect(__VA_ARGS__)
233 :
234 : /*
235 : * The asmlinkage stub is aliased to a function named __se_sys_*() which
236 : * sign-extends 32-bit ints to longs whenever needed. The actual work is
237 : * done within __do_sys_*().
238 : */
239 : #ifndef __SYSCALL_DEFINEx
240 : #define __SYSCALL_DEFINEx(x, name, ...) \
241 : __diag_push(); \
242 : __diag_ignore(GCC, 8, "-Wattribute-alias", \
243 : "Type aliasing is used to sanitize syscall arguments");\
244 : asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \
245 : __attribute__((alias(__stringify(__se_sys##name)))); \
246 : ALLOW_ERROR_INJECTION(sys##name, ERRNO); \
247 : static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));\
248 : asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \
249 : asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
250 : { \
251 : long ret = __do_sys##name(__MAP(x,__SC_CAST,__VA_ARGS__));\
252 : __MAP(x,__SC_TEST,__VA_ARGS__); \
253 : __PROTECT(x, ret,__MAP(x,__SC_ARGS,__VA_ARGS__)); \
254 : return ret; \
255 : } \
256 : __diag_pop(); \
257 : static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))
258 : #endif /* __SYSCALL_DEFINEx */
259 :
260 : /* For split 64-bit arguments on 32-bit architectures */
261 : #ifdef __LITTLE_ENDIAN
262 : #define SC_ARG64(name) u32, name##_lo, u32, name##_hi
263 : #else
264 : #define SC_ARG64(name) u32, name##_hi, u32, name##_lo
265 : #endif
266 : #define SC_VAL64(type, name) ((type) name##_hi << 32 | name##_lo)
267 :
268 : #ifdef CONFIG_COMPAT
269 : #define SYSCALL32_DEFINE0 COMPAT_SYSCALL_DEFINE0
270 : #define SYSCALL32_DEFINE1 COMPAT_SYSCALL_DEFINE1
271 : #define SYSCALL32_DEFINE2 COMPAT_SYSCALL_DEFINE2
272 : #define SYSCALL32_DEFINE3 COMPAT_SYSCALL_DEFINE3
273 : #define SYSCALL32_DEFINE4 COMPAT_SYSCALL_DEFINE4
274 : #define SYSCALL32_DEFINE5 COMPAT_SYSCALL_DEFINE5
275 : #define SYSCALL32_DEFINE6 COMPAT_SYSCALL_DEFINE6
276 : #else
277 : #define SYSCALL32_DEFINE0 SYSCALL_DEFINE0
278 : #define SYSCALL32_DEFINE1 SYSCALL_DEFINE1
279 : #define SYSCALL32_DEFINE2 SYSCALL_DEFINE2
280 : #define SYSCALL32_DEFINE3 SYSCALL_DEFINE3
281 : #define SYSCALL32_DEFINE4 SYSCALL_DEFINE4
282 : #define SYSCALL32_DEFINE5 SYSCALL_DEFINE5
283 : #define SYSCALL32_DEFINE6 SYSCALL_DEFINE6
284 : #endif
285 :
286 : /*
287 : * Called before coming back to user-mode. Returning to user-mode with an
288 : * address limit different than USER_DS can allow to overwrite kernel memory.
289 : */
290 : static inline void addr_limit_user_check(void)
291 : {
292 : #ifdef TIF_FSCHECK
293 : if (!test_thread_flag(TIF_FSCHECK))
294 : return;
295 : #endif
296 :
297 : #ifdef TIF_FSCHECK
298 : clear_thread_flag(TIF_FSCHECK);
299 : #endif
300 : }
301 :
302 : /*
303 : * These syscall function prototypes are kept in the same order as
304 : * include/uapi/asm-generic/unistd.h. Architecture specific entries go below,
305 : * followed by deprecated or obsolete system calls.
306 : *
307 : * Please note that these prototypes here are only provided for information
308 : * purposes, for static analysis, and for linking from the syscall table.
309 : * These functions should not be called elsewhere from kernel code.
310 : *
311 : * As the syscall calling convention may be different from the default
312 : * for architectures overriding the syscall calling convention, do not
313 : * include the prototypes if CONFIG_ARCH_HAS_SYSCALL_WRAPPER is enabled.
314 : */
315 : #ifndef CONFIG_ARCH_HAS_SYSCALL_WRAPPER
316 : asmlinkage long sys_io_setup(unsigned nr_reqs, aio_context_t __user *ctx);
317 : asmlinkage long sys_io_destroy(aio_context_t ctx);
318 : asmlinkage long sys_io_submit(aio_context_t, long,
319 : struct iocb __user * __user *);
320 : asmlinkage long sys_io_cancel(aio_context_t ctx_id, struct iocb __user *iocb,
321 : struct io_event __user *result);
322 : asmlinkage long sys_io_getevents(aio_context_t ctx_id,
323 : long min_nr,
324 : long nr,
325 : struct io_event __user *events,
326 : struct __kernel_timespec __user *timeout);
327 : asmlinkage long sys_io_getevents_time32(__u32 ctx_id,
328 : __s32 min_nr,
329 : __s32 nr,
330 : struct io_event __user *events,
331 : struct old_timespec32 __user *timeout);
332 : asmlinkage long sys_io_pgetevents(aio_context_t ctx_id,
333 : long min_nr,
334 : long nr,
335 : struct io_event __user *events,
336 : struct __kernel_timespec __user *timeout,
337 : const struct __aio_sigset *sig);
338 : asmlinkage long sys_io_pgetevents_time32(aio_context_t ctx_id,
339 : long min_nr,
340 : long nr,
341 : struct io_event __user *events,
342 : struct old_timespec32 __user *timeout,
343 : const struct __aio_sigset *sig);
344 : asmlinkage long sys_io_uring_setup(u32 entries,
345 : struct io_uring_params __user *p);
346 : asmlinkage long sys_io_uring_enter(unsigned int fd, u32 to_submit,
347 : u32 min_complete, u32 flags,
348 : const void __user *argp, size_t argsz);
349 : asmlinkage long sys_io_uring_register(unsigned int fd, unsigned int op,
350 : void __user *arg, unsigned int nr_args);
351 : asmlinkage long sys_setxattr(const char __user *path, const char __user *name,
352 : const void __user *value, size_t size, int flags);
353 : asmlinkage long sys_lsetxattr(const char __user *path, const char __user *name,
354 : const void __user *value, size_t size, int flags);
355 : asmlinkage long sys_fsetxattr(int fd, const char __user *name,
356 : const void __user *value, size_t size, int flags);
357 : asmlinkage long sys_getxattr(const char __user *path, const char __user *name,
358 : void __user *value, size_t size);
359 : asmlinkage long sys_lgetxattr(const char __user *path, const char __user *name,
360 : void __user *value, size_t size);
361 : asmlinkage long sys_fgetxattr(int fd, const char __user *name,
362 : void __user *value, size_t size);
363 : asmlinkage long sys_listxattr(const char __user *path, char __user *list,
364 : size_t size);
365 : asmlinkage long sys_llistxattr(const char __user *path, char __user *list,
366 : size_t size);
367 : asmlinkage long sys_flistxattr(int fd, char __user *list, size_t size);
368 : asmlinkage long sys_removexattr(const char __user *path,
369 : const char __user *name);
370 : asmlinkage long sys_lremovexattr(const char __user *path,
371 : const char __user *name);
372 : asmlinkage long sys_fremovexattr(int fd, const char __user *name);
373 : asmlinkage long sys_getcwd(char __user *buf, unsigned long size);
374 : asmlinkage long sys_lookup_dcookie(u64 cookie64, char __user *buf, size_t len);
375 : asmlinkage long sys_eventfd2(unsigned int count, int flags);
376 : asmlinkage long sys_epoll_create1(int flags);
377 : asmlinkage long sys_epoll_ctl(int epfd, int op, int fd,
378 : struct epoll_event __user *event);
379 : asmlinkage long sys_epoll_pwait(int epfd, struct epoll_event __user *events,
380 : int maxevents, int timeout,
381 : const sigset_t __user *sigmask,
382 : size_t sigsetsize);
383 : asmlinkage long sys_epoll_pwait2(int epfd, struct epoll_event __user *events,
384 : int maxevents,
385 : const struct __kernel_timespec __user *timeout,
386 : const sigset_t __user *sigmask,
387 : size_t sigsetsize);
388 : asmlinkage long sys_dup(unsigned int fildes);
389 : asmlinkage long sys_dup3(unsigned int oldfd, unsigned int newfd, int flags);
390 : asmlinkage long sys_fcntl(unsigned int fd, unsigned int cmd, unsigned long arg);
391 : #if BITS_PER_LONG == 32
392 : asmlinkage long sys_fcntl64(unsigned int fd,
393 : unsigned int cmd, unsigned long arg);
394 : #endif
395 : asmlinkage long sys_inotify_init1(int flags);
396 : asmlinkage long sys_inotify_add_watch(int fd, const char __user *path,
397 : u32 mask);
398 : asmlinkage long sys_inotify_rm_watch(int fd, __s32 wd);
399 : asmlinkage long sys_ioctl(unsigned int fd, unsigned int cmd,
400 : unsigned long arg);
401 : asmlinkage long sys_ioprio_set(int which, int who, int ioprio);
402 : asmlinkage long sys_ioprio_get(int which, int who);
403 : asmlinkage long sys_flock(unsigned int fd, unsigned int cmd);
404 : asmlinkage long sys_mknodat(int dfd, const char __user * filename, umode_t mode,
405 : unsigned dev);
406 : asmlinkage long sys_mkdirat(int dfd, const char __user * pathname, umode_t mode);
407 : asmlinkage long sys_unlinkat(int dfd, const char __user * pathname, int flag);
408 : asmlinkage long sys_symlinkat(const char __user * oldname,
409 : int newdfd, const char __user * newname);
410 : asmlinkage long sys_linkat(int olddfd, const char __user *oldname,
411 : int newdfd, const char __user *newname, int flags);
412 : asmlinkage long sys_renameat(int olddfd, const char __user * oldname,
413 : int newdfd, const char __user * newname);
414 : asmlinkage long sys_umount(char __user *name, int flags);
415 : asmlinkage long sys_mount(char __user *dev_name, char __user *dir_name,
416 : char __user *type, unsigned long flags,
417 : void __user *data);
418 : asmlinkage long sys_pivot_root(const char __user *new_root,
419 : const char __user *put_old);
420 : asmlinkage long sys_statfs(const char __user * path,
421 : struct statfs __user *buf);
422 : asmlinkage long sys_statfs64(const char __user *path, size_t sz,
423 : struct statfs64 __user *buf);
424 : asmlinkage long sys_fstatfs(unsigned int fd, struct statfs __user *buf);
425 : asmlinkage long sys_fstatfs64(unsigned int fd, size_t sz,
426 : struct statfs64 __user *buf);
427 : asmlinkage long sys_truncate(const char __user *path, long length);
428 : asmlinkage long sys_ftruncate(unsigned int fd, unsigned long length);
429 : #if BITS_PER_LONG == 32
430 : asmlinkage long sys_truncate64(const char __user *path, loff_t length);
431 : asmlinkage long sys_ftruncate64(unsigned int fd, loff_t length);
432 : #endif
433 : asmlinkage long sys_fallocate(int fd, int mode, loff_t offset, loff_t len);
434 : asmlinkage long sys_faccessat(int dfd, const char __user *filename, int mode);
435 : asmlinkage long sys_faccessat2(int dfd, const char __user *filename, int mode,
436 : int flags);
437 : asmlinkage long sys_chdir(const char __user *filename);
438 : asmlinkage long sys_fchdir(unsigned int fd);
439 : asmlinkage long sys_chroot(const char __user *filename);
440 : asmlinkage long sys_fchmod(unsigned int fd, umode_t mode);
441 : asmlinkage long sys_fchmodat(int dfd, const char __user * filename,
442 : umode_t mode);
443 : asmlinkage long sys_fchownat(int dfd, const char __user *filename, uid_t user,
444 : gid_t group, int flag);
445 : asmlinkage long sys_fchown(unsigned int fd, uid_t user, gid_t group);
446 : asmlinkage long sys_openat(int dfd, const char __user *filename, int flags,
447 : umode_t mode);
448 : asmlinkage long sys_openat2(int dfd, const char __user *filename,
449 : struct open_how *how, size_t size);
450 : asmlinkage long sys_close(unsigned int fd);
451 : asmlinkage long sys_close_range(unsigned int fd, unsigned int max_fd,
452 : unsigned int flags);
453 : asmlinkage long sys_vhangup(void);
454 : asmlinkage long sys_pipe2(int __user *fildes, int flags);
455 : asmlinkage long sys_quotactl(unsigned int cmd, const char __user *special,
456 : qid_t id, void __user *addr);
457 : asmlinkage long sys_quotactl_fd(unsigned int fd, unsigned int cmd, qid_t id,
458 : void __user *addr);
459 : asmlinkage long sys_getdents64(unsigned int fd,
460 : struct linux_dirent64 __user *dirent,
461 : unsigned int count);
462 : asmlinkage long sys_llseek(unsigned int fd, unsigned long offset_high,
463 : unsigned long offset_low, loff_t __user *result,
464 : unsigned int whence);
465 : asmlinkage long sys_lseek(unsigned int fd, off_t offset,
466 : unsigned int whence);
467 : asmlinkage long sys_read(unsigned int fd, char __user *buf, size_t count);
468 : asmlinkage long sys_write(unsigned int fd, const char __user *buf,
469 : size_t count);
470 : asmlinkage long sys_readv(unsigned long fd,
471 : const struct iovec __user *vec,
472 : unsigned long vlen);
473 : asmlinkage long sys_writev(unsigned long fd,
474 : const struct iovec __user *vec,
475 : unsigned long vlen);
476 : asmlinkage long sys_pread64(unsigned int fd, char __user *buf,
477 : size_t count, loff_t pos);
478 : asmlinkage long sys_pwrite64(unsigned int fd, const char __user *buf,
479 : size_t count, loff_t pos);
480 : asmlinkage long sys_preadv(unsigned long fd, const struct iovec __user *vec,
481 : unsigned long vlen, unsigned long pos_l, unsigned long pos_h);
482 : asmlinkage long sys_pwritev(unsigned long fd, const struct iovec __user *vec,
483 : unsigned long vlen, unsigned long pos_l, unsigned long pos_h);
484 : asmlinkage long sys_sendfile64(int out_fd, int in_fd,
485 : loff_t __user *offset, size_t count);
486 : asmlinkage long sys_pselect6(int, fd_set __user *, fd_set __user *,
487 : fd_set __user *, struct __kernel_timespec __user *,
488 : void __user *);
489 : asmlinkage long sys_pselect6_time32(int, fd_set __user *, fd_set __user *,
490 : fd_set __user *, struct old_timespec32 __user *,
491 : void __user *);
492 : asmlinkage long sys_ppoll(struct pollfd __user *, unsigned int,
493 : struct __kernel_timespec __user *, const sigset_t __user *,
494 : size_t);
495 : asmlinkage long sys_ppoll_time32(struct pollfd __user *, unsigned int,
496 : struct old_timespec32 __user *, const sigset_t __user *,
497 : size_t);
498 : asmlinkage long sys_signalfd4(int ufd, sigset_t __user *user_mask, size_t sizemask, int flags);
499 : asmlinkage long sys_vmsplice(int fd, const struct iovec __user *iov,
500 : unsigned long nr_segs, unsigned int flags);
501 : asmlinkage long sys_splice(int fd_in, loff_t __user *off_in,
502 : int fd_out, loff_t __user *off_out,
503 : size_t len, unsigned int flags);
504 : asmlinkage long sys_tee(int fdin, int fdout, size_t len, unsigned int flags);
505 : asmlinkage long sys_readlinkat(int dfd, const char __user *path, char __user *buf,
506 : int bufsiz);
507 : asmlinkage long sys_newfstatat(int dfd, const char __user *filename,
508 : struct stat __user *statbuf, int flag);
509 : asmlinkage long sys_newfstat(unsigned int fd, struct stat __user *statbuf);
510 : #if defined(__ARCH_WANT_STAT64) || defined(__ARCH_WANT_COMPAT_STAT64)
511 : asmlinkage long sys_fstat64(unsigned long fd, struct stat64 __user *statbuf);
512 : asmlinkage long sys_fstatat64(int dfd, const char __user *filename,
513 : struct stat64 __user *statbuf, int flag);
514 : #endif
515 : asmlinkage long sys_sync(void);
516 : asmlinkage long sys_fsync(unsigned int fd);
517 : asmlinkage long sys_fdatasync(unsigned int fd);
518 : asmlinkage long sys_sync_file_range2(int fd, unsigned int flags,
519 : loff_t offset, loff_t nbytes);
520 : asmlinkage long sys_sync_file_range(int fd, loff_t offset, loff_t nbytes,
521 : unsigned int flags);
522 : asmlinkage long sys_timerfd_create(int clockid, int flags);
523 : asmlinkage long sys_timerfd_settime(int ufd, int flags,
524 : const struct __kernel_itimerspec __user *utmr,
525 : struct __kernel_itimerspec __user *otmr);
526 : asmlinkage long sys_timerfd_gettime(int ufd, struct __kernel_itimerspec __user *otmr);
527 : asmlinkage long sys_timerfd_gettime32(int ufd,
528 : struct old_itimerspec32 __user *otmr);
529 : asmlinkage long sys_timerfd_settime32(int ufd, int flags,
530 : const struct old_itimerspec32 __user *utmr,
531 : struct old_itimerspec32 __user *otmr);
532 : asmlinkage long sys_utimensat(int dfd, const char __user *filename,
533 : struct __kernel_timespec __user *utimes,
534 : int flags);
535 : asmlinkage long sys_utimensat_time32(unsigned int dfd,
536 : const char __user *filename,
537 : struct old_timespec32 __user *t, int flags);
538 : asmlinkage long sys_acct(const char __user *name);
539 : asmlinkage long sys_capget(cap_user_header_t header,
540 : cap_user_data_t dataptr);
541 : asmlinkage long sys_capset(cap_user_header_t header,
542 : const cap_user_data_t data);
543 : 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);
549 : asmlinkage long sys_set_tid_address(int __user *tidptr);
550 : asmlinkage long sys_unshare(unsigned long unshare_flags);
551 : asmlinkage long sys_futex(u32 __user *uaddr, int op, u32 val,
552 : const struct __kernel_timespec __user *utime,
553 : u32 __user *uaddr2, u32 val3);
554 : asmlinkage long sys_futex_time32(u32 __user *uaddr, int op, u32 val,
555 : const struct old_timespec32 __user *utime,
556 : u32 __user *uaddr2, u32 val3);
557 : asmlinkage long sys_get_robust_list(int pid,
558 : struct robust_list_head __user * __user *head_ptr,
559 : size_t __user *len_ptr);
560 : asmlinkage long sys_set_robust_list(struct robust_list_head __user *head,
561 : size_t len);
562 :
563 : asmlinkage long sys_futex_waitv(struct futex_waitv *waiters,
564 : unsigned int nr_futexes, unsigned int flags,
565 : struct __kernel_timespec __user *timeout, clockid_t clockid);
566 : asmlinkage long sys_nanosleep(struct __kernel_timespec __user *rqtp,
567 : struct __kernel_timespec __user *rmtp);
568 : asmlinkage long sys_nanosleep_time32(struct old_timespec32 __user *rqtp,
569 : struct old_timespec32 __user *rmtp);
570 : asmlinkage long sys_getitimer(int which, struct __kernel_old_itimerval __user *value);
571 : asmlinkage long sys_setitimer(int which,
572 : struct __kernel_old_itimerval __user *value,
573 : struct __kernel_old_itimerval __user *ovalue);
574 : asmlinkage long sys_kexec_load(unsigned long entry, unsigned long nr_segments,
575 : struct kexec_segment __user *segments,
576 : unsigned long flags);
577 : asmlinkage long sys_init_module(void __user *umod, unsigned long len,
578 : const char __user *uargs);
579 : asmlinkage long sys_delete_module(const char __user *name_user,
580 : unsigned int flags);
581 : asmlinkage long sys_timer_create(clockid_t which_clock,
582 : struct sigevent __user *timer_event_spec,
583 : timer_t __user * created_timer_id);
584 : asmlinkage long sys_timer_gettime(timer_t timer_id,
585 : struct __kernel_itimerspec __user *setting);
586 : asmlinkage long sys_timer_getoverrun(timer_t timer_id);
587 : asmlinkage long sys_timer_settime(timer_t timer_id, int flags,
588 : const struct __kernel_itimerspec __user *new_setting,
589 : struct __kernel_itimerspec __user *old_setting);
590 : asmlinkage long sys_timer_delete(timer_t timer_id);
591 : asmlinkage long sys_clock_settime(clockid_t which_clock,
592 : const struct __kernel_timespec __user *tp);
593 : asmlinkage long sys_clock_gettime(clockid_t which_clock,
594 : struct __kernel_timespec __user *tp);
595 : asmlinkage long sys_clock_getres(clockid_t which_clock,
596 : struct __kernel_timespec __user *tp);
597 : asmlinkage long sys_clock_nanosleep(clockid_t which_clock, int flags,
598 : const struct __kernel_timespec __user *rqtp,
599 : struct __kernel_timespec __user *rmtp);
600 : asmlinkage long sys_timer_gettime32(timer_t timer_id,
601 : struct old_itimerspec32 __user *setting);
602 : asmlinkage long sys_timer_settime32(timer_t timer_id, int flags,
603 : struct old_itimerspec32 __user *new,
604 : struct old_itimerspec32 __user *old);
605 : asmlinkage long sys_clock_settime32(clockid_t which_clock,
606 : struct old_timespec32 __user *tp);
607 : asmlinkage long sys_clock_gettime32(clockid_t which_clock,
608 : struct old_timespec32 __user *tp);
609 : asmlinkage long sys_clock_getres_time32(clockid_t which_clock,
610 : struct old_timespec32 __user *tp);
611 : asmlinkage long sys_clock_nanosleep_time32(clockid_t which_clock, int flags,
612 : struct old_timespec32 __user *rqtp,
613 : struct old_timespec32 __user *rmtp);
614 : asmlinkage long sys_syslog(int type, char __user *buf, int len);
615 : asmlinkage long sys_ptrace(long request, long pid, unsigned long addr,
616 : unsigned long data);
617 : asmlinkage long sys_sched_setparam(pid_t pid,
618 : struct sched_param __user *param);
619 : asmlinkage long sys_sched_setscheduler(pid_t pid, int policy,
620 : struct sched_param __user *param);
621 : asmlinkage long sys_sched_getscheduler(pid_t pid);
622 : asmlinkage long sys_sched_getparam(pid_t pid,
623 : struct sched_param __user *param);
624 : asmlinkage long sys_sched_setaffinity(pid_t pid, unsigned int len,
625 : unsigned long __user *user_mask_ptr);
626 : asmlinkage long sys_sched_getaffinity(pid_t pid, unsigned int len,
627 : unsigned long __user *user_mask_ptr);
628 : asmlinkage long sys_sched_yield(void);
629 : asmlinkage long sys_sched_get_priority_max(int policy);
630 : asmlinkage long sys_sched_get_priority_min(int policy);
631 : asmlinkage long sys_sched_rr_get_interval(pid_t pid,
632 : struct __kernel_timespec __user *interval);
633 : asmlinkage long sys_sched_rr_get_interval_time32(pid_t pid,
634 : struct old_timespec32 __user *interval);
635 : asmlinkage long sys_restart_syscall(void);
636 : asmlinkage long sys_kill(pid_t pid, int sig);
637 : asmlinkage long sys_tkill(pid_t pid, int sig);
638 : asmlinkage long sys_tgkill(pid_t tgid, pid_t pid, int sig);
639 : asmlinkage long sys_sigaltstack(const struct sigaltstack __user *uss,
640 : struct sigaltstack __user *uoss);
641 : asmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize);
642 : #ifndef CONFIG_ODD_RT_SIGACTION
643 : asmlinkage long sys_rt_sigaction(int,
644 : const struct sigaction __user *,
645 : struct sigaction __user *,
646 : size_t);
647 : #endif
648 : asmlinkage long sys_rt_sigprocmask(int how, sigset_t __user *set,
649 : sigset_t __user *oset, size_t sigsetsize);
650 : asmlinkage long sys_rt_sigpending(sigset_t __user *set, size_t sigsetsize);
651 : asmlinkage long sys_rt_sigtimedwait(const sigset_t __user *uthese,
652 : siginfo_t __user *uinfo,
653 : const struct __kernel_timespec __user *uts,
654 : size_t sigsetsize);
655 : asmlinkage long sys_rt_sigtimedwait_time32(const sigset_t __user *uthese,
656 : siginfo_t __user *uinfo,
657 : const struct old_timespec32 __user *uts,
658 : size_t sigsetsize);
659 : asmlinkage long sys_rt_sigqueueinfo(pid_t pid, int sig, siginfo_t __user *uinfo);
660 : asmlinkage long sys_setpriority(int which, int who, int niceval);
661 : asmlinkage long sys_getpriority(int which, int who);
662 : asmlinkage long sys_reboot(int magic1, int magic2, unsigned int cmd,
663 : void __user *arg);
664 : asmlinkage long sys_setregid(gid_t rgid, gid_t egid);
665 : asmlinkage long sys_setgid(gid_t gid);
666 : asmlinkage long sys_setreuid(uid_t ruid, uid_t euid);
667 : asmlinkage long sys_setuid(uid_t uid);
668 : asmlinkage long sys_setresuid(uid_t ruid, uid_t euid, uid_t suid);
669 : asmlinkage long sys_getresuid(uid_t __user *ruid, uid_t __user *euid, uid_t __user *suid);
670 : asmlinkage long sys_setresgid(gid_t rgid, gid_t egid, gid_t sgid);
671 : asmlinkage long sys_getresgid(gid_t __user *rgid, gid_t __user *egid, gid_t __user *sgid);
672 : asmlinkage long sys_setfsuid(uid_t uid);
673 : asmlinkage long sys_setfsgid(gid_t gid);
674 : asmlinkage long sys_times(struct tms __user *tbuf);
675 : asmlinkage long sys_setpgid(pid_t pid, pid_t pgid);
676 : asmlinkage long sys_getpgid(pid_t pid);
677 : asmlinkage long sys_getsid(pid_t pid);
678 : asmlinkage long sys_setsid(void);
679 : asmlinkage long sys_getgroups(int gidsetsize, gid_t __user *grouplist);
680 : asmlinkage long sys_setgroups(int gidsetsize, gid_t __user *grouplist);
681 : asmlinkage long sys_newuname(struct new_utsname __user *name);
682 : asmlinkage long sys_sethostname(char __user *name, int len);
683 : asmlinkage long sys_setdomainname(char __user *name, int len);
684 : asmlinkage long sys_getrlimit(unsigned int resource,
685 : struct rlimit __user *rlim);
686 : asmlinkage long sys_setrlimit(unsigned int resource,
687 : struct rlimit __user *rlim);
688 : asmlinkage long sys_getrusage(int who, struct rusage __user *ru);
689 : asmlinkage long sys_umask(int mask);
690 : asmlinkage long sys_prctl(int option, unsigned long arg2, unsigned long arg3,
691 : unsigned long arg4, unsigned long arg5);
692 : asmlinkage long sys_getcpu(unsigned __user *cpu, unsigned __user *node, struct getcpu_cache __user *cache);
693 : asmlinkage long sys_gettimeofday(struct __kernel_old_timeval __user *tv,
694 : struct timezone __user *tz);
695 : asmlinkage long sys_settimeofday(struct __kernel_old_timeval __user *tv,
696 : struct timezone __user *tz);
697 : asmlinkage long sys_adjtimex(struct __kernel_timex __user *txc_p);
698 : asmlinkage long sys_adjtimex_time32(struct old_timex32 __user *txc_p);
699 : asmlinkage long sys_getpid(void);
700 : asmlinkage long sys_getppid(void);
701 : asmlinkage long sys_getuid(void);
702 : asmlinkage long sys_geteuid(void);
703 : asmlinkage long sys_getgid(void);
704 : asmlinkage long sys_getegid(void);
705 : asmlinkage long sys_gettid(void);
706 : asmlinkage long sys_sysinfo(struct sysinfo __user *info);
707 : asmlinkage long sys_mq_open(const char __user *name, int oflag, umode_t mode, struct mq_attr __user *attr);
708 : asmlinkage long sys_mq_unlink(const char __user *name);
709 : 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);
710 : 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);
711 : asmlinkage long sys_mq_notify(mqd_t mqdes, const struct sigevent __user *notification);
712 : asmlinkage long sys_mq_getsetattr(mqd_t mqdes, const struct mq_attr __user *mqstat, struct mq_attr __user *omqstat);
713 : asmlinkage long sys_mq_timedreceive_time32(mqd_t mqdes,
714 : char __user *u_msg_ptr,
715 : unsigned int msg_len, unsigned int __user *u_msg_prio,
716 : const struct old_timespec32 __user *u_abs_timeout);
717 : asmlinkage long sys_mq_timedsend_time32(mqd_t mqdes,
718 : const char __user *u_msg_ptr,
719 : unsigned int msg_len, unsigned int msg_prio,
720 : const struct old_timespec32 __user *u_abs_timeout);
721 : asmlinkage long sys_msgget(key_t key, int msgflg);
722 : asmlinkage long sys_old_msgctl(int msqid, int cmd, struct msqid_ds __user *buf);
723 : asmlinkage long sys_msgctl(int msqid, int cmd, struct msqid_ds __user *buf);
724 : asmlinkage long sys_msgrcv(int msqid, struct msgbuf __user *msgp,
725 : size_t msgsz, long msgtyp, int msgflg);
726 : asmlinkage long sys_msgsnd(int msqid, struct msgbuf __user *msgp,
727 : size_t msgsz, int msgflg);
728 : asmlinkage long sys_semget(key_t key, int nsems, int semflg);
729 : asmlinkage long sys_semctl(int semid, int semnum, int cmd, unsigned long arg);
730 : asmlinkage long sys_old_semctl(int semid, int semnum, int cmd, unsigned long arg);
731 : asmlinkage long sys_semtimedop(int semid, struct sembuf __user *sops,
732 : unsigned nsops,
733 : const struct __kernel_timespec __user *timeout);
734 : asmlinkage long sys_semtimedop_time32(int semid, struct sembuf __user *sops,
735 : unsigned nsops,
736 : const struct old_timespec32 __user *timeout);
737 : asmlinkage long sys_semop(int semid, struct sembuf __user *sops,
738 : unsigned nsops);
739 : asmlinkage long sys_shmget(key_t key, size_t size, int flag);
740 : asmlinkage long sys_old_shmctl(int shmid, int cmd, struct shmid_ds __user *buf);
741 : asmlinkage long sys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf);
742 : asmlinkage long sys_shmat(int shmid, char __user *shmaddr, int shmflg);
743 : asmlinkage long sys_shmdt(char __user *shmaddr);
744 : asmlinkage long sys_socket(int, int, int);
745 : asmlinkage long sys_socketpair(int, int, int, int __user *);
746 : asmlinkage long sys_bind(int, struct sockaddr __user *, int);
747 : asmlinkage long sys_listen(int, int);
748 : asmlinkage long sys_accept(int, struct sockaddr __user *, int __user *);
749 : asmlinkage long sys_connect(int, struct sockaddr __user *, int);
750 : asmlinkage long sys_getsockname(int, struct sockaddr __user *, int __user *);
751 : asmlinkage long sys_getpeername(int, struct sockaddr __user *, int __user *);
752 : asmlinkage long sys_sendto(int, void __user *, size_t, unsigned,
753 : struct sockaddr __user *, int);
754 : asmlinkage long sys_recvfrom(int, void __user *, size_t, unsigned,
755 : struct sockaddr __user *, int __user *);
756 : asmlinkage long sys_setsockopt(int fd, int level, int optname,
757 : char __user *optval, int optlen);
758 : asmlinkage long sys_getsockopt(int fd, int level, int optname,
759 : char __user *optval, int __user *optlen);
760 : asmlinkage long sys_shutdown(int, int);
761 : asmlinkage long sys_sendmsg(int fd, struct user_msghdr __user *msg, unsigned flags);
762 : 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);
764 : asmlinkage long sys_brk(unsigned long brk);
765 : asmlinkage long sys_munmap(unsigned long addr, size_t len);
766 : asmlinkage long sys_mremap(unsigned long addr,
767 : unsigned long old_len, unsigned long new_len,
768 : unsigned long flags, unsigned long new_addr);
769 : asmlinkage long sys_add_key(const char __user *_type,
770 : const char __user *_description,
771 : const void __user *_payload,
772 : size_t plen,
773 : key_serial_t destringid);
774 : asmlinkage long sys_request_key(const char __user *_type,
775 : const char __user *_description,
776 : const char __user *_callout_info,
777 : key_serial_t destringid);
778 : asmlinkage long sys_keyctl(int cmd, unsigned long arg2, unsigned long arg3,
779 : unsigned long arg4, unsigned long arg5);
780 : #ifdef CONFIG_CLONE_BACKWARDS
781 : asmlinkage long sys_clone(unsigned long, unsigned long, int __user *, unsigned long,
782 : int __user *);
783 : #else
784 : #ifdef CONFIG_CLONE_BACKWARDS3
785 : asmlinkage long sys_clone(unsigned long, unsigned long, int, int __user *,
786 : int __user *, unsigned long);
787 : #else
788 : asmlinkage long sys_clone(unsigned long, unsigned long, int __user *,
789 : int __user *, unsigned long);
790 : #endif
791 : #endif
792 :
793 : asmlinkage long sys_clone3(struct clone_args __user *uargs, size_t size);
794 :
795 : asmlinkage long sys_execve(const char __user *filename,
796 : const char __user *const __user *argv,
797 : const char __user *const __user *envp);
798 : asmlinkage long sys_fadvise64_64(int fd, loff_t offset, loff_t len, int advice);
799 :
800 : /* CONFIG_MMU only */
801 : asmlinkage long sys_swapon(const char __user *specialfile, int swap_flags);
802 : asmlinkage long sys_swapoff(const char __user *specialfile);
803 : asmlinkage long sys_mprotect(unsigned long start, size_t len,
804 : unsigned long prot);
805 : asmlinkage long sys_msync(unsigned long start, size_t len, int flags);
806 : asmlinkage long sys_mlock(unsigned long start, size_t len);
807 : asmlinkage long sys_munlock(unsigned long start, size_t len);
808 : asmlinkage long sys_mlockall(int flags);
809 : asmlinkage long sys_munlockall(void);
810 : asmlinkage long sys_mincore(unsigned long start, size_t len,
811 : unsigned char __user * vec);
812 : asmlinkage long sys_madvise(unsigned long start, size_t len, int behavior);
813 : asmlinkage long sys_process_madvise(int pidfd, const struct iovec __user *vec,
814 : size_t vlen, int behavior, unsigned int flags);
815 : asmlinkage long sys_process_mrelease(int pidfd, unsigned int flags);
816 : asmlinkage long sys_remap_file_pages(unsigned long start, unsigned long size,
817 : unsigned long prot, unsigned long pgoff,
818 : unsigned long flags);
819 : asmlinkage long sys_mbind(unsigned long start, unsigned long len,
820 : unsigned long mode,
821 : const unsigned long __user *nmask,
822 : unsigned long maxnode,
823 : unsigned flags);
824 : asmlinkage long sys_get_mempolicy(int __user *policy,
825 : unsigned long __user *nmask,
826 : unsigned long maxnode,
827 : unsigned long addr, unsigned long flags);
828 : asmlinkage long sys_set_mempolicy(int mode, const unsigned long __user *nmask,
829 : unsigned long maxnode);
830 : asmlinkage long sys_migrate_pages(pid_t pid, unsigned long maxnode,
831 : const unsigned long __user *from,
832 : const unsigned long __user *to);
833 : asmlinkage long sys_move_pages(pid_t pid, unsigned long nr_pages,
834 : const void __user * __user *pages,
835 : const int __user *nodes,
836 : int __user *status,
837 : int flags);
838 : asmlinkage long sys_rt_tgsigqueueinfo(pid_t tgid, pid_t pid, int sig,
839 : siginfo_t __user *uinfo);
840 : asmlinkage long sys_perf_event_open(
841 : struct perf_event_attr __user *attr_uptr,
842 : pid_t pid, int cpu, int group_fd, unsigned long flags);
843 : asmlinkage long sys_accept4(int, struct sockaddr __user *, int __user *, int);
844 : asmlinkage long sys_recvmmsg(int fd, struct mmsghdr __user *msg,
845 : unsigned int vlen, unsigned flags,
846 : struct __kernel_timespec __user *timeout);
847 : asmlinkage long sys_recvmmsg_time32(int fd, struct mmsghdr __user *msg,
848 : unsigned int vlen, unsigned flags,
849 : struct old_timespec32 __user *timeout);
850 : asmlinkage long sys_wait4(pid_t pid, int __user *stat_addr,
851 : int options, struct rusage __user *ru);
852 : asmlinkage long sys_prlimit64(pid_t pid, unsigned int resource,
853 : const struct rlimit64 __user *new_rlim,
854 : struct rlimit64 __user *old_rlim);
855 : asmlinkage long sys_fanotify_init(unsigned int flags, unsigned int event_f_flags);
856 : asmlinkage long sys_fanotify_mark(int fanotify_fd, unsigned int flags,
857 : u64 mask, int fd,
858 : const char __user *pathname);
859 : asmlinkage long sys_name_to_handle_at(int dfd, const char __user *name,
860 : struct file_handle __user *handle,
861 : int __user *mnt_id, int flag);
862 : asmlinkage long sys_open_by_handle_at(int mountdirfd,
863 : struct file_handle __user *handle,
864 : int flags);
865 : asmlinkage long sys_clock_adjtime(clockid_t which_clock,
866 : struct __kernel_timex __user *tx);
867 : asmlinkage long sys_clock_adjtime32(clockid_t which_clock,
868 : struct old_timex32 __user *tx);
869 : asmlinkage long sys_syncfs(int fd);
870 : asmlinkage long sys_setns(int fd, int nstype);
871 : asmlinkage long sys_pidfd_open(pid_t pid, unsigned int flags);
872 : asmlinkage long sys_sendmmsg(int fd, struct mmsghdr __user *msg,
873 : unsigned int vlen, unsigned flags);
874 : asmlinkage long sys_process_vm_readv(pid_t pid,
875 : const struct iovec __user *lvec,
876 : unsigned long liovcnt,
877 : const struct iovec __user *rvec,
878 : unsigned long riovcnt,
879 : unsigned long flags);
880 : asmlinkage long sys_process_vm_writev(pid_t pid,
881 : const struct iovec __user *lvec,
882 : unsigned long liovcnt,
883 : const struct iovec __user *rvec,
884 : unsigned long riovcnt,
885 : unsigned long flags);
886 : asmlinkage long sys_kcmp(pid_t pid1, pid_t pid2, int type,
887 : unsigned long idx1, unsigned long idx2);
888 : asmlinkage long sys_finit_module(int fd, const char __user *uargs, int flags);
889 : asmlinkage long sys_sched_setattr(pid_t pid,
890 : struct sched_attr __user *attr,
891 : unsigned int flags);
892 : asmlinkage long sys_sched_getattr(pid_t pid,
893 : struct sched_attr __user *attr,
894 : unsigned int size,
895 : unsigned int flags);
896 : asmlinkage long sys_renameat2(int olddfd, const char __user *oldname,
897 : int newdfd, const char __user *newname,
898 : unsigned int flags);
899 : asmlinkage long sys_seccomp(unsigned int op, unsigned int flags,
900 : void __user *uargs);
901 : asmlinkage long sys_getrandom(char __user *buf, size_t count,
902 : unsigned int flags);
903 : asmlinkage long sys_memfd_create(const char __user *uname_ptr, unsigned int flags);
904 : asmlinkage long sys_bpf(int cmd, union bpf_attr *attr, unsigned int size);
905 : asmlinkage long sys_execveat(int dfd, const char __user *filename,
906 : const char __user *const __user *argv,
907 : const char __user *const __user *envp, int flags);
908 : asmlinkage long sys_userfaultfd(int flags);
909 : asmlinkage long sys_membarrier(int cmd, unsigned int flags, int cpu_id);
910 : asmlinkage long sys_mlock2(unsigned long start, size_t len, int flags);
911 : asmlinkage long sys_copy_file_range(int fd_in, loff_t __user *off_in,
912 : int fd_out, loff_t __user *off_out,
913 : size_t len, unsigned int flags);
914 : asmlinkage long sys_preadv2(unsigned long fd, const struct iovec __user *vec,
915 : unsigned long vlen, unsigned long pos_l, unsigned long pos_h,
916 : rwf_t flags);
917 : asmlinkage long sys_pwritev2(unsigned long fd, const struct iovec __user *vec,
918 : unsigned long vlen, unsigned long pos_l, unsigned long pos_h,
919 : rwf_t flags);
920 : asmlinkage long sys_pkey_mprotect(unsigned long start, size_t len,
921 : unsigned long prot, int pkey);
922 : asmlinkage long sys_pkey_alloc(unsigned long flags, unsigned long init_val);
923 : asmlinkage long sys_pkey_free(int pkey);
924 : asmlinkage long sys_statx(int dfd, const char __user *path, unsigned flags,
925 : unsigned mask, struct statx __user *buffer);
926 : asmlinkage long sys_rseq(struct rseq __user *rseq, uint32_t rseq_len,
927 : int flags, uint32_t sig);
928 : asmlinkage long sys_open_tree(int dfd, const char __user *path, unsigned flags);
929 : asmlinkage long sys_move_mount(int from_dfd, const char __user *from_path,
930 : int to_dfd, const char __user *to_path,
931 : unsigned int ms_flags);
932 : asmlinkage long sys_mount_setattr(int dfd, const char __user *path,
933 : unsigned int flags,
934 : struct mount_attr __user *uattr, size_t usize);
935 : asmlinkage long sys_fsopen(const char __user *fs_name, unsigned int flags);
936 : asmlinkage long sys_fsconfig(int fs_fd, unsigned int cmd, const char __user *key,
937 : const void __user *value, int aux);
938 : asmlinkage long sys_fsmount(int fs_fd, unsigned int flags, unsigned int ms_flags);
939 : asmlinkage long sys_fspick(int dfd, const char __user *path, unsigned int flags);
940 : asmlinkage long sys_pidfd_send_signal(int pidfd, int sig,
941 : siginfo_t __user *info,
942 : unsigned int flags);
943 : asmlinkage long sys_pidfd_getfd(int pidfd, int fd, unsigned int flags);
944 : asmlinkage long sys_landlock_create_ruleset(const struct landlock_ruleset_attr __user *attr,
945 : size_t size, __u32 flags);
946 : asmlinkage long sys_landlock_add_rule(int ruleset_fd, enum landlock_rule_type rule_type,
947 : const void __user *rule_attr, __u32 flags);
948 : asmlinkage long sys_landlock_restrict_self(int ruleset_fd, __u32 flags);
949 : asmlinkage long sys_memfd_secret(unsigned int flags);
950 : asmlinkage long sys_set_mempolicy_home_node(unsigned long start, unsigned long len,
951 : unsigned long home_node,
952 : unsigned long flags);
953 : asmlinkage long sys_cachestat(unsigned int fd,
954 : struct cachestat_range __user *cstat_range,
955 : struct cachestat __user *cstat, unsigned int flags);
956 :
957 : /*
958 : * Architecture-specific system calls
959 : */
960 :
961 : /* x86 */
962 : asmlinkage long sys_ioperm(unsigned long from, unsigned long num, int on);
963 :
964 : /* pciconfig: alpha, arm, arm64, ia64, sparc */
965 : asmlinkage long sys_pciconfig_read(unsigned long bus, unsigned long dfn,
966 : unsigned long off, unsigned long len,
967 : void __user *buf);
968 : asmlinkage long sys_pciconfig_write(unsigned long bus, unsigned long dfn,
969 : unsigned long off, unsigned long len,
970 : void __user *buf);
971 : asmlinkage long sys_pciconfig_iobase(long which, unsigned long bus, unsigned long devfn);
972 :
973 : /* powerpc */
974 : asmlinkage long sys_spu_run(int fd, __u32 __user *unpc,
975 : __u32 __user *ustatus);
976 : asmlinkage long sys_spu_create(const char __user *name,
977 : unsigned int flags, umode_t mode, int fd);
978 :
979 :
980 : /*
981 : * Deprecated system calls which are still defined in
982 : * include/uapi/asm-generic/unistd.h and wanted by >= 1 arch
983 : */
984 :
985 : /* __ARCH_WANT_SYSCALL_NO_AT */
986 : asmlinkage long sys_open(const char __user *filename,
987 : int flags, umode_t mode);
988 : asmlinkage long sys_link(const char __user *oldname,
989 : const char __user *newname);
990 : asmlinkage long sys_unlink(const char __user *pathname);
991 : asmlinkage long sys_mknod(const char __user *filename, umode_t mode,
992 : unsigned dev);
993 : asmlinkage long sys_chmod(const char __user *filename, umode_t mode);
994 : asmlinkage long sys_chown(const char __user *filename,
995 : uid_t user, gid_t group);
996 : asmlinkage long sys_mkdir(const char __user *pathname, umode_t mode);
997 : asmlinkage long sys_rmdir(const char __user *pathname);
998 : asmlinkage long sys_lchown(const char __user *filename,
999 : uid_t user, gid_t group);
1000 : asmlinkage long sys_access(const char __user *filename, int mode);
1001 : asmlinkage long sys_rename(const char __user *oldname,
1002 : const char __user *newname);
1003 : asmlinkage long sys_symlink(const char __user *old, const char __user *new);
1004 : #if defined(__ARCH_WANT_STAT64) || defined(__ARCH_WANT_COMPAT_STAT64)
1005 : asmlinkage long sys_stat64(const char __user *filename,
1006 : struct stat64 __user *statbuf);
1007 : asmlinkage long sys_lstat64(const char __user *filename,
1008 : struct stat64 __user *statbuf);
1009 : #endif
1010 :
1011 : /* __ARCH_WANT_SYSCALL_NO_FLAGS */
1012 : asmlinkage long sys_pipe(int __user *fildes);
1013 : asmlinkage long sys_dup2(unsigned int oldfd, unsigned int newfd);
1014 : asmlinkage long sys_epoll_create(int size);
1015 : asmlinkage long sys_inotify_init(void);
1016 : asmlinkage long sys_eventfd(unsigned int count);
1017 : asmlinkage long sys_signalfd(int ufd, sigset_t __user *user_mask, size_t sizemask);
1018 :
1019 : /* __ARCH_WANT_SYSCALL_OFF_T */
1020 : asmlinkage long sys_sendfile(int out_fd, int in_fd,
1021 : off_t __user *offset, size_t count);
1022 : asmlinkage long sys_newstat(const char __user *filename,
1023 : struct stat __user *statbuf);
1024 : asmlinkage long sys_newlstat(const char __user *filename,
1025 : struct stat __user *statbuf);
1026 : asmlinkage long sys_fadvise64(int fd, loff_t offset, size_t len, int advice);
1027 :
1028 : /* __ARCH_WANT_SYSCALL_DEPRECATED */
1029 : asmlinkage long sys_alarm(unsigned int seconds);
1030 : asmlinkage long sys_getpgrp(void);
1031 : asmlinkage long sys_pause(void);
1032 : asmlinkage long sys_time(__kernel_old_time_t __user *tloc);
1033 : asmlinkage long sys_time32(old_time32_t __user *tloc);
1034 : #ifdef __ARCH_WANT_SYS_UTIME
1035 : asmlinkage long sys_utime(char __user *filename,
1036 : struct utimbuf __user *times);
1037 : asmlinkage long sys_utimes(char __user *filename,
1038 : struct __kernel_old_timeval __user *utimes);
1039 : asmlinkage long sys_futimesat(int dfd, const char __user *filename,
1040 : struct __kernel_old_timeval __user *utimes);
1041 : #endif
1042 : asmlinkage long sys_futimesat_time32(unsigned int dfd,
1043 : const char __user *filename,
1044 : struct old_timeval32 __user *t);
1045 : asmlinkage long sys_utime32(const char __user *filename,
1046 : struct old_utimbuf32 __user *t);
1047 : asmlinkage long sys_utimes_time32(const char __user *filename,
1048 : struct old_timeval32 __user *t);
1049 : asmlinkage long sys_creat(const char __user *pathname, umode_t mode);
1050 : asmlinkage long sys_getdents(unsigned int fd,
1051 : struct linux_dirent __user *dirent,
1052 : unsigned int count);
1053 : asmlinkage long sys_select(int n, fd_set __user *inp, fd_set __user *outp,
1054 : fd_set __user *exp, struct __kernel_old_timeval __user *tvp);
1055 : asmlinkage long sys_poll(struct pollfd __user *ufds, unsigned int nfds,
1056 : int timeout);
1057 : asmlinkage long sys_epoll_wait(int epfd, struct epoll_event __user *events,
1058 : int maxevents, int timeout);
1059 : asmlinkage long sys_ustat(unsigned dev, struct ustat __user *ubuf);
1060 : asmlinkage long sys_vfork(void);
1061 : asmlinkage long sys_recv(int, void __user *, size_t, unsigned);
1062 : asmlinkage long sys_send(int, void __user *, size_t, unsigned);
1063 : asmlinkage long sys_oldumount(char __user *name);
1064 : asmlinkage long sys_uselib(const char __user *library);
1065 : asmlinkage long sys_sysfs(int option,
1066 : unsigned long arg1, unsigned long arg2);
1067 : asmlinkage long sys_fork(void);
1068 :
1069 : /* obsolete */
1070 : asmlinkage long sys_stime(__kernel_old_time_t __user *tptr);
1071 : asmlinkage long sys_stime32(old_time32_t __user *tptr);
1072 :
1073 : /* obsolete */
1074 : asmlinkage long sys_sigpending(old_sigset_t __user *uset);
1075 : asmlinkage long sys_sigprocmask(int how, old_sigset_t __user *set,
1076 : old_sigset_t __user *oset);
1077 : #ifdef CONFIG_OLD_SIGSUSPEND
1078 : asmlinkage long sys_sigsuspend(old_sigset_t mask);
1079 : #endif
1080 :
1081 : #ifdef CONFIG_OLD_SIGSUSPEND3
1082 : asmlinkage long sys_sigsuspend(int unused1, int unused2, old_sigset_t mask);
1083 : #endif
1084 :
1085 : #ifdef CONFIG_OLD_SIGACTION
1086 : asmlinkage long sys_sigaction(int, const struct old_sigaction __user *,
1087 : struct old_sigaction __user *);
1088 : #endif
1089 : asmlinkage long sys_sgetmask(void);
1090 : asmlinkage long sys_ssetmask(int newmask);
1091 : asmlinkage long sys_signal(int sig, __sighandler_t handler);
1092 :
1093 : /* obsolete */
1094 : asmlinkage long sys_nice(int increment);
1095 :
1096 : /* obsolete */
1097 : asmlinkage long sys_kexec_file_load(int kernel_fd, int initrd_fd,
1098 : unsigned long cmdline_len,
1099 : const char __user *cmdline_ptr,
1100 : unsigned long flags);
1101 :
1102 : /* obsolete */
1103 : asmlinkage long sys_waitpid(pid_t pid, int __user *stat_addr, int options);
1104 :
1105 : /* obsolete */
1106 : #ifdef CONFIG_HAVE_UID16
1107 : asmlinkage long sys_chown16(const char __user *filename,
1108 : old_uid_t user, old_gid_t group);
1109 : asmlinkage long sys_lchown16(const char __user *filename,
1110 : old_uid_t user, old_gid_t group);
1111 : asmlinkage long sys_fchown16(unsigned int fd, old_uid_t user, old_gid_t group);
1112 : asmlinkage long sys_setregid16(old_gid_t rgid, old_gid_t egid);
1113 : asmlinkage long sys_setgid16(old_gid_t gid);
1114 : asmlinkage long sys_setreuid16(old_uid_t ruid, old_uid_t euid);
1115 : asmlinkage long sys_setuid16(old_uid_t uid);
1116 : asmlinkage long sys_setresuid16(old_uid_t ruid, old_uid_t euid, old_uid_t suid);
1117 : asmlinkage long sys_getresuid16(old_uid_t __user *ruid,
1118 : old_uid_t __user *euid, old_uid_t __user *suid);
1119 : asmlinkage long sys_setresgid16(old_gid_t rgid, old_gid_t egid, old_gid_t sgid);
1120 : asmlinkage long sys_getresgid16(old_gid_t __user *rgid,
1121 : old_gid_t __user *egid, old_gid_t __user *sgid);
1122 : asmlinkage long sys_setfsuid16(old_uid_t uid);
1123 : asmlinkage long sys_setfsgid16(old_gid_t gid);
1124 : asmlinkage long sys_getgroups16(int gidsetsize, old_gid_t __user *grouplist);
1125 : asmlinkage long sys_setgroups16(int gidsetsize, old_gid_t __user *grouplist);
1126 : asmlinkage long sys_getuid16(void);
1127 : asmlinkage long sys_geteuid16(void);
1128 : asmlinkage long sys_getgid16(void);
1129 : asmlinkage long sys_getegid16(void);
1130 : #endif
1131 :
1132 : /* obsolete */
1133 : asmlinkage long sys_socketcall(int call, unsigned long __user *args);
1134 :
1135 : /* obsolete */
1136 : asmlinkage long sys_stat(const char __user *filename,
1137 : struct __old_kernel_stat __user *statbuf);
1138 : asmlinkage long sys_lstat(const char __user *filename,
1139 : struct __old_kernel_stat __user *statbuf);
1140 : asmlinkage long sys_fstat(unsigned int fd,
1141 : struct __old_kernel_stat __user *statbuf);
1142 : asmlinkage long sys_readlink(const char __user *path,
1143 : char __user *buf, int bufsiz);
1144 :
1145 : /* obsolete */
1146 : asmlinkage long sys_old_select(struct sel_arg_struct __user *arg);
1147 :
1148 : /* obsolete */
1149 : asmlinkage long sys_old_readdir(unsigned int, struct old_linux_dirent __user *, unsigned int);
1150 :
1151 : /* obsolete */
1152 : asmlinkage long sys_gethostname(char __user *name, int len);
1153 : asmlinkage long sys_uname(struct old_utsname __user *);
1154 : asmlinkage long sys_olduname(struct oldold_utsname __user *);
1155 : #ifdef __ARCH_WANT_SYS_OLD_GETRLIMIT
1156 : asmlinkage long sys_old_getrlimit(unsigned int resource, struct rlimit __user *rlim);
1157 : #endif
1158 :
1159 : /* obsolete */
1160 : asmlinkage long sys_ipc(unsigned int call, int first, unsigned long second,
1161 : unsigned long third, void __user *ptr, long fifth);
1162 :
1163 : /* obsolete */
1164 : asmlinkage long sys_mmap_pgoff(unsigned long addr, unsigned long len,
1165 : unsigned long prot, unsigned long flags,
1166 : unsigned long fd, unsigned long pgoff);
1167 : asmlinkage long sys_old_mmap(struct mmap_arg_struct __user *arg);
1168 :
1169 :
1170 : /*
1171 : * Not a real system call, but a placeholder for syscalls which are
1172 : * not implemented -- see kernel/sys_ni.c
1173 : */
1174 : asmlinkage long sys_ni_syscall(void);
1175 :
1176 : #endif /* CONFIG_ARCH_HAS_SYSCALL_WRAPPER */
1177 :
1178 : asmlinkage long sys_ni_posix_timers(void);
1179 :
1180 : /*
1181 : * Kernel code should not call syscalls (i.e., sys_xyzyyz()) directly.
1182 : * Instead, use one of the functions which work equivalently, such as
1183 : * the ksys_xyzyyz() functions prototyped below.
1184 : */
1185 : ssize_t ksys_write(unsigned int fd, const char __user *buf, size_t count);
1186 : int ksys_fchown(unsigned int fd, uid_t user, gid_t group);
1187 : ssize_t ksys_read(unsigned int fd, char __user *buf, size_t count);
1188 : void ksys_sync(void);
1189 : int ksys_unshare(unsigned long unshare_flags);
1190 : int ksys_setsid(void);
1191 : int ksys_sync_file_range(int fd, loff_t offset, loff_t nbytes,
1192 : unsigned int flags);
1193 : ssize_t ksys_pread64(unsigned int fd, char __user *buf, size_t count,
1194 : loff_t pos);
1195 : ssize_t ksys_pwrite64(unsigned int fd, const char __user *buf,
1196 : size_t count, loff_t pos);
1197 : int ksys_fallocate(int fd, int mode, loff_t offset, loff_t len);
1198 : #ifdef CONFIG_ADVISE_SYSCALLS
1199 : int ksys_fadvise64_64(int fd, loff_t offset, loff_t len, int advice);
1200 : #else
1201 : static inline int ksys_fadvise64_64(int fd, loff_t offset, loff_t len,
1202 : int advice)
1203 : {
1204 : return -EINVAL;
1205 : }
1206 : #endif
1207 : unsigned long ksys_mmap_pgoff(unsigned long addr, unsigned long len,
1208 : unsigned long prot, unsigned long flags,
1209 : unsigned long fd, unsigned long pgoff);
1210 : ssize_t ksys_readahead(int fd, loff_t offset, size_t count);
1211 : int ksys_ipc(unsigned int call, int first, unsigned long second,
1212 : unsigned long third, void __user * ptr, long fifth);
1213 : int compat_ksys_ipc(u32 call, int first, int second,
1214 : u32 third, u32 ptr, u32 fifth);
1215 :
1216 : /*
1217 : * The following kernel syscall equivalents are just wrappers to fs-internal
1218 : * functions. Therefore, provide stubs to be inlined at the callsites.
1219 : */
1220 : extern int do_fchownat(int dfd, const char __user *filename, uid_t user,
1221 : gid_t group, int flag);
1222 :
1223 : static inline long ksys_chown(const char __user *filename, uid_t user,
1224 : gid_t group)
1225 : {
1226 0 : return do_fchownat(AT_FDCWD, filename, user, group, 0);
1227 : }
1228 :
1229 : static inline long ksys_lchown(const char __user *filename, uid_t user,
1230 : gid_t group)
1231 : {
1232 0 : return do_fchownat(AT_FDCWD, filename, user, group,
1233 : AT_SYMLINK_NOFOLLOW);
1234 : }
1235 :
1236 : extern long do_sys_ftruncate(unsigned int fd, loff_t length, int small);
1237 :
1238 : static inline long ksys_ftruncate(unsigned int fd, loff_t length)
1239 : {
1240 : return do_sys_ftruncate(fd, length, 1);
1241 : }
1242 :
1243 : extern long do_sys_truncate(const char __user *pathname, loff_t length);
1244 :
1245 : static inline long ksys_truncate(const char __user *pathname, loff_t length)
1246 : {
1247 : return do_sys_truncate(pathname, length);
1248 : }
1249 :
1250 : static inline unsigned int ksys_personality(unsigned int personality)
1251 : {
1252 : unsigned int old = current->personality;
1253 :
1254 : if (personality != 0xffffffff)
1255 : set_personality(personality);
1256 :
1257 : return old;
1258 : }
1259 :
1260 : /* for __ARCH_WANT_SYS_IPC */
1261 : long ksys_semtimedop(int semid, struct sembuf __user *tsops,
1262 : unsigned int nsops,
1263 : const struct __kernel_timespec __user *timeout);
1264 : long ksys_semget(key_t key, int nsems, int semflg);
1265 : long ksys_old_semctl(int semid, int semnum, int cmd, unsigned long arg);
1266 : long ksys_msgget(key_t key, int msgflg);
1267 : long ksys_old_msgctl(int msqid, int cmd, struct msqid_ds __user *buf);
1268 : long ksys_msgrcv(int msqid, struct msgbuf __user *msgp, size_t msgsz,
1269 : long msgtyp, int msgflg);
1270 : long ksys_msgsnd(int msqid, struct msgbuf __user *msgp, size_t msgsz,
1271 : int msgflg);
1272 : long ksys_shmget(key_t key, size_t size, int shmflg);
1273 : long ksys_shmdt(char __user *shmaddr);
1274 : long ksys_old_shmctl(int shmid, int cmd, struct shmid_ds __user *buf);
1275 : long compat_ksys_semtimedop(int semid, struct sembuf __user *tsems,
1276 : unsigned int nsops,
1277 : const struct old_timespec32 __user *timeout);
1278 : long __do_semtimedop(int semid, struct sembuf *tsems, unsigned int nsops,
1279 : const struct timespec64 *timeout,
1280 : struct ipc_namespace *ns);
1281 :
1282 : int __sys_getsockopt(int fd, int level, int optname, char __user *optval,
1283 : int __user *optlen);
1284 : int __sys_setsockopt(int fd, int level, int optname, char __user *optval,
1285 : int optlen);
1286 : #endif
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