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
is_syscall_trace_event(struct trace_event_call * tp_event)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
is_syscall_trace_event(struct trace_event_call * tp_event)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 * These syscall function prototypes are kept in the same order as
288 * include/uapi/asm-generic/unistd.h. Architecture specific entries go below,
289 * followed by deprecated or obsolete system calls.
290 *
291 * Please note that these prototypes here are only provided for information
292 * purposes, for static analysis, and for linking from the syscall table.
293 * These functions should not be called elsewhere from kernel code.
294 *
295 * As the syscall calling convention may be different from the default
296 * for architectures overriding the syscall calling convention, do not
297 * include the prototypes if CONFIG_ARCH_HAS_SYSCALL_WRAPPER is enabled.
298 */
299 #ifndef CONFIG_ARCH_HAS_SYSCALL_WRAPPER
300 asmlinkage long sys_io_setup(unsigned nr_reqs, aio_context_t __user *ctx);
301 asmlinkage long sys_io_destroy(aio_context_t ctx);
302 asmlinkage long sys_io_submit(aio_context_t, long,
303 struct iocb __user * __user *);
304 asmlinkage long sys_io_cancel(aio_context_t ctx_id, struct iocb __user *iocb,
305 struct io_event __user *result);
306 asmlinkage long sys_io_getevents(aio_context_t ctx_id,
307 long min_nr,
308 long nr,
309 struct io_event __user *events,
310 struct __kernel_timespec __user *timeout);
311 asmlinkage long sys_io_getevents_time32(__u32 ctx_id,
312 __s32 min_nr,
313 __s32 nr,
314 struct io_event __user *events,
315 struct old_timespec32 __user *timeout);
316 asmlinkage long sys_io_pgetevents(aio_context_t ctx_id,
317 long min_nr,
318 long nr,
319 struct io_event __user *events,
320 struct __kernel_timespec __user *timeout,
321 const struct __aio_sigset *sig);
322 asmlinkage long sys_io_pgetevents_time32(aio_context_t ctx_id,
323 long min_nr,
324 long nr,
325 struct io_event __user *events,
326 struct old_timespec32 __user *timeout,
327 const struct __aio_sigset *sig);
328 asmlinkage long sys_io_uring_setup(u32 entries,
329 struct io_uring_params __user *p);
330 asmlinkage long sys_io_uring_enter(unsigned int fd, u32 to_submit,
331 u32 min_complete, u32 flags,
332 const void __user *argp, size_t argsz);
333 asmlinkage long sys_io_uring_register(unsigned int fd, unsigned int op,
334 void __user *arg, unsigned int nr_args);
335 asmlinkage long sys_setxattr(const char __user *path, const char __user *name,
336 const void __user *value, size_t size, int flags);
337 asmlinkage long sys_lsetxattr(const char __user *path, const char __user *name,
338 const void __user *value, size_t size, int flags);
339 asmlinkage long sys_fsetxattr(int fd, const char __user *name,
340 const void __user *value, size_t size, int flags);
341 asmlinkage long sys_getxattr(const char __user *path, const char __user *name,
342 void __user *value, size_t size);
343 asmlinkage long sys_lgetxattr(const char __user *path, const char __user *name,
344 void __user *value, size_t size);
345 asmlinkage long sys_fgetxattr(int fd, const char __user *name,
346 void __user *value, size_t size);
347 asmlinkage long sys_listxattr(const char __user *path, char __user *list,
348 size_t size);
349 asmlinkage long sys_llistxattr(const char __user *path, char __user *list,
350 size_t size);
351 asmlinkage long sys_flistxattr(int fd, char __user *list, size_t size);
352 asmlinkage long sys_removexattr(const char __user *path,
353 const char __user *name);
354 asmlinkage long sys_lremovexattr(const char __user *path,
355 const char __user *name);
356 asmlinkage long sys_fremovexattr(int fd, const char __user *name);
357 asmlinkage long sys_getcwd(char __user *buf, unsigned long size);
358 asmlinkage long sys_lookup_dcookie(u64 cookie64, char __user *buf, size_t len);
359 asmlinkage long sys_eventfd2(unsigned int count, int flags);
360 asmlinkage long sys_epoll_create1(int flags);
361 asmlinkage long sys_epoll_ctl(int epfd, int op, int fd,
362 struct epoll_event __user *event);
363 asmlinkage long sys_epoll_pwait(int epfd, struct epoll_event __user *events,
364 int maxevents, int timeout,
365 const sigset_t __user *sigmask,
366 size_t sigsetsize);
367 asmlinkage long sys_epoll_pwait2(int epfd, struct epoll_event __user *events,
368 int maxevents,
369 const struct __kernel_timespec __user *timeout,
370 const sigset_t __user *sigmask,
371 size_t sigsetsize);
372 asmlinkage long sys_dup(unsigned int fildes);
373 asmlinkage long sys_dup3(unsigned int oldfd, unsigned int newfd, int flags);
374 asmlinkage long sys_fcntl(unsigned int fd, unsigned int cmd, unsigned long arg);
375 #if BITS_PER_LONG == 32
376 asmlinkage long sys_fcntl64(unsigned int fd,
377 unsigned int cmd, unsigned long arg);
378 #endif
379 asmlinkage long sys_inotify_init1(int flags);
380 asmlinkage long sys_inotify_add_watch(int fd, const char __user *path,
381 u32 mask);
382 asmlinkage long sys_inotify_rm_watch(int fd, __s32 wd);
383 asmlinkage long sys_ioctl(unsigned int fd, unsigned int cmd,
384 unsigned long arg);
385 asmlinkage long sys_ioprio_set(int which, int who, int ioprio);
386 asmlinkage long sys_ioprio_get(int which, int who);
387 asmlinkage long sys_flock(unsigned int fd, unsigned int cmd);
388 asmlinkage long sys_mknodat(int dfd, const char __user * filename, umode_t mode,
389 unsigned dev);
390 asmlinkage long sys_mkdirat(int dfd, const char __user * pathname, umode_t mode);
391 asmlinkage long sys_unlinkat(int dfd, const char __user * pathname, int flag);
392 asmlinkage long sys_symlinkat(const char __user * oldname,
393 int newdfd, const char __user * newname);
394 asmlinkage long sys_linkat(int olddfd, const char __user *oldname,
395 int newdfd, const char __user *newname, int flags);
396 asmlinkage long sys_renameat(int olddfd, const char __user * oldname,
397 int newdfd, const char __user * newname);
398 asmlinkage long sys_umount(char __user *name, int flags);
399 asmlinkage long sys_mount(char __user *dev_name, char __user *dir_name,
400 char __user *type, unsigned long flags,
401 void __user *data);
402 asmlinkage long sys_pivot_root(const char __user *new_root,
403 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);
416 #endif
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_faccessat2(int dfd, const char __user *filename, int mode,
420 int flags);
421 asmlinkage long sys_chdir(const char __user *filename);
422 asmlinkage long sys_fchdir(unsigned int fd);
423 asmlinkage long sys_chroot(const char __user *filename);
424 asmlinkage long sys_fchmod(unsigned int fd, umode_t mode);
425 asmlinkage long sys_fchmodat(int dfd, const char __user *filename,
426 umode_t mode);
427 asmlinkage long sys_fchmodat2(int dfd, const char __user *filename,
428 umode_t mode, unsigned int flags);
429 asmlinkage long sys_fchownat(int dfd, const char __user *filename, uid_t user,
430 gid_t group, int flag);
431 asmlinkage long sys_fchown(unsigned int fd, uid_t user, gid_t group);
432 asmlinkage long sys_openat(int dfd, const char __user *filename, int flags,
433 umode_t mode);
434 asmlinkage long sys_openat2(int dfd, const char __user *filename,
435 struct open_how *how, size_t size);
436 asmlinkage long sys_close(unsigned int fd);
437 asmlinkage long sys_close_range(unsigned int fd, unsigned int max_fd,
438 unsigned int flags);
439 asmlinkage long sys_vhangup(void);
440 asmlinkage long sys_pipe2(int __user *fildes, int flags);
441 asmlinkage long sys_quotactl(unsigned int cmd, const char __user *special,
442 qid_t id, void __user *addr);
443 asmlinkage long sys_quotactl_fd(unsigned int fd, unsigned int cmd, qid_t id,
444 void __user *addr);
445 asmlinkage long sys_getdents64(unsigned int fd,
446 struct linux_dirent64 __user *dirent,
447 unsigned int count);
448 asmlinkage long sys_llseek(unsigned int fd, unsigned long offset_high,
449 unsigned long offset_low, loff_t __user *result,
450 unsigned int whence);
451 asmlinkage long sys_lseek(unsigned int fd, off_t offset,
452 unsigned int whence);
453 asmlinkage long sys_read(unsigned int fd, char __user *buf, size_t count);
454 asmlinkage long sys_write(unsigned int fd, const char __user *buf,
455 size_t count);
456 asmlinkage long sys_readv(unsigned long fd,
457 const struct iovec __user *vec,
458 unsigned long vlen);
459 asmlinkage long sys_writev(unsigned long fd,
460 const struct iovec __user *vec,
461 unsigned long vlen);
462 asmlinkage long sys_pread64(unsigned int fd, char __user *buf,
463 size_t count, loff_t pos);
464 asmlinkage long sys_pwrite64(unsigned int fd, const char __user *buf,
465 size_t count, loff_t pos);
466 asmlinkage long sys_preadv(unsigned long fd, const struct iovec __user *vec,
467 unsigned long vlen, unsigned long pos_l, unsigned long pos_h);
468 asmlinkage long sys_pwritev(unsigned long fd, const struct iovec __user *vec,
469 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);
472 asmlinkage long sys_pselect6(int, fd_set __user *, fd_set __user *,
473 fd_set __user *, struct __kernel_timespec __user *,
474 void __user *);
475 asmlinkage long sys_pselect6_time32(int, fd_set __user *, fd_set __user *,
476 fd_set __user *, struct old_timespec32 __user *,
477 void __user *);
478 asmlinkage long sys_ppoll(struct pollfd __user *, unsigned int,
479 struct __kernel_timespec __user *, const sigset_t __user *,
480 size_t);
481 asmlinkage long sys_ppoll_time32(struct pollfd __user *, unsigned int,
482 struct old_timespec32 __user *, const sigset_t __user *,
483 size_t);
484 asmlinkage long sys_signalfd4(int ufd, sigset_t __user *user_mask, size_t sizemask, int flags);
485 asmlinkage long sys_vmsplice(int fd, const struct iovec __user *iov,
486 unsigned long nr_segs, unsigned int flags);
487 asmlinkage long sys_splice(int fd_in, loff_t __user *off_in,
488 int fd_out, loff_t __user *off_out,
489 size_t len, unsigned int flags);
490 asmlinkage long sys_tee(int fdin, int fdout, size_t len, unsigned int flags);
491 asmlinkage long sys_readlinkat(int dfd, const char __user *path, char __user *buf,
492 int bufsiz);
493 asmlinkage long sys_newfstatat(int dfd, const char __user *filename,
494 struct stat __user *statbuf, int flag);
495 asmlinkage long sys_newfstat(unsigned int fd, struct stat __user *statbuf);
496 #if defined(__ARCH_WANT_STAT64) || defined(__ARCH_WANT_COMPAT_STAT64)
497 asmlinkage long sys_fstat64(unsigned long fd, struct stat64 __user *statbuf);
498 asmlinkage long sys_fstatat64(int dfd, const char __user *filename,
499 struct stat64 __user *statbuf, int flag);
500 #endif
501 asmlinkage long sys_sync(void);
502 asmlinkage long sys_fsync(unsigned int fd);
503 asmlinkage long sys_fdatasync(unsigned int fd);
504 asmlinkage long sys_sync_file_range2(int fd, unsigned int flags,
505 loff_t offset, loff_t nbytes);
506 asmlinkage long sys_sync_file_range(int fd, loff_t offset, loff_t nbytes,
507 unsigned int flags);
508 asmlinkage long sys_timerfd_create(int clockid, int flags);
509 asmlinkage long sys_timerfd_settime(int ufd, int flags,
510 const struct __kernel_itimerspec __user *utmr,
511 struct __kernel_itimerspec __user *otmr);
512 asmlinkage long sys_timerfd_gettime(int ufd, struct __kernel_itimerspec __user *otmr);
513 asmlinkage long sys_timerfd_gettime32(int ufd,
514 struct old_itimerspec32 __user *otmr);
515 asmlinkage long sys_timerfd_settime32(int ufd, int flags,
516 const struct old_itimerspec32 __user *utmr,
517 struct old_itimerspec32 __user *otmr);
518 asmlinkage long sys_utimensat(int dfd, const char __user *filename,
519 struct __kernel_timespec __user *utimes,
520 int flags);
521 asmlinkage long sys_utimensat_time32(unsigned int dfd,
522 const char __user *filename,
523 struct old_timespec32 __user *t, int flags);
524 asmlinkage long sys_acct(const char __user *name);
525 asmlinkage long sys_capget(cap_user_header_t header,
526 cap_user_data_t dataptr);
527 asmlinkage long sys_capset(cap_user_header_t header,
528 const cap_user_data_t data);
529 asmlinkage long sys_personality(unsigned int personality);
530 asmlinkage long sys_exit(int error_code);
531 asmlinkage long sys_exit_group(int error_code);
532 asmlinkage long sys_waitid(int which, pid_t pid,
533 struct siginfo __user *infop,
534 int options, struct rusage __user *ru);
535 asmlinkage long sys_set_tid_address(int __user *tidptr);
536 asmlinkage long sys_unshare(unsigned long unshare_flags);
537 asmlinkage long sys_futex(u32 __user *uaddr, int op, u32 val,
538 const struct __kernel_timespec __user *utime,
539 u32 __user *uaddr2, u32 val3);
540 asmlinkage long sys_futex_time32(u32 __user *uaddr, int op, u32 val,
541 const struct old_timespec32 __user *utime,
542 u32 __user *uaddr2, u32 val3);
543 asmlinkage long sys_get_robust_list(int pid,
544 struct robust_list_head __user * __user *head_ptr,
545 size_t __user *len_ptr);
546 asmlinkage long sys_set_robust_list(struct robust_list_head __user *head,
547 size_t len);
548
549 asmlinkage long sys_futex_waitv(struct futex_waitv *waiters,
550 unsigned int nr_futexes, unsigned int flags,
551 struct __kernel_timespec __user *timeout, clockid_t clockid);
552 asmlinkage long sys_nanosleep(struct __kernel_timespec __user *rqtp,
553 struct __kernel_timespec __user *rmtp);
554 asmlinkage long sys_nanosleep_time32(struct old_timespec32 __user *rqtp,
555 struct old_timespec32 __user *rmtp);
556 asmlinkage long sys_getitimer(int which, struct __kernel_old_itimerval __user *value);
557 asmlinkage long sys_setitimer(int which,
558 struct __kernel_old_itimerval __user *value,
559 struct __kernel_old_itimerval __user *ovalue);
560 asmlinkage long sys_kexec_load(unsigned long entry, unsigned long nr_segments,
561 struct kexec_segment __user *segments,
562 unsigned long flags);
563 asmlinkage long sys_init_module(void __user *umod, unsigned long len,
564 const char __user *uargs);
565 asmlinkage long sys_delete_module(const char __user *name_user,
566 unsigned int flags);
567 asmlinkage long sys_timer_create(clockid_t which_clock,
568 struct sigevent __user *timer_event_spec,
569 timer_t __user * created_timer_id);
570 asmlinkage long sys_timer_gettime(timer_t timer_id,
571 struct __kernel_itimerspec __user *setting);
572 asmlinkage long sys_timer_getoverrun(timer_t timer_id);
573 asmlinkage long sys_timer_settime(timer_t timer_id, int flags,
574 const struct __kernel_itimerspec __user *new_setting,
575 struct __kernel_itimerspec __user *old_setting);
576 asmlinkage long sys_timer_delete(timer_t timer_id);
577 asmlinkage long sys_clock_settime(clockid_t which_clock,
578 const struct __kernel_timespec __user *tp);
579 asmlinkage long sys_clock_gettime(clockid_t which_clock,
580 struct __kernel_timespec __user *tp);
581 asmlinkage long sys_clock_getres(clockid_t which_clock,
582 struct __kernel_timespec __user *tp);
583 asmlinkage long sys_clock_nanosleep(clockid_t which_clock, int flags,
584 const struct __kernel_timespec __user *rqtp,
585 struct __kernel_timespec __user *rmtp);
586 asmlinkage long sys_timer_gettime32(timer_t timer_id,
587 struct old_itimerspec32 __user *setting);
588 asmlinkage long sys_timer_settime32(timer_t timer_id, int flags,
589 struct old_itimerspec32 __user *new,
590 struct old_itimerspec32 __user *old);
591 asmlinkage long sys_clock_settime32(clockid_t which_clock,
592 struct old_timespec32 __user *tp);
593 asmlinkage long sys_clock_gettime32(clockid_t which_clock,
594 struct old_timespec32 __user *tp);
595 asmlinkage long sys_clock_getres_time32(clockid_t which_clock,
596 struct old_timespec32 __user *tp);
597 asmlinkage long sys_clock_nanosleep_time32(clockid_t which_clock, int flags,
598 struct old_timespec32 __user *rqtp,
599 struct old_timespec32 __user *rmtp);
600 asmlinkage long sys_syslog(int type, char __user *buf, int len);
601 asmlinkage long sys_ptrace(long request, long pid, unsigned long addr,
602 unsigned long data);
603 asmlinkage long sys_sched_setparam(pid_t pid,
604 struct sched_param __user *param);
605 asmlinkage long sys_sched_setscheduler(pid_t pid, int policy,
606 struct sched_param __user *param);
607 asmlinkage long sys_sched_getscheduler(pid_t pid);
608 asmlinkage long sys_sched_getparam(pid_t pid,
609 struct sched_param __user *param);
610 asmlinkage long sys_sched_setaffinity(pid_t pid, unsigned int len,
611 unsigned long __user *user_mask_ptr);
612 asmlinkage long sys_sched_getaffinity(pid_t pid, unsigned int len,
613 unsigned long __user *user_mask_ptr);
614 asmlinkage long sys_sched_yield(void);
615 asmlinkage long sys_sched_get_priority_max(int policy);
616 asmlinkage long sys_sched_get_priority_min(int policy);
617 asmlinkage long sys_sched_rr_get_interval(pid_t pid,
618 struct __kernel_timespec __user *interval);
619 asmlinkage long sys_sched_rr_get_interval_time32(pid_t pid,
620 struct old_timespec32 __user *interval);
621 asmlinkage long sys_restart_syscall(void);
622 asmlinkage long sys_kill(pid_t pid, int sig);
623 asmlinkage long sys_tkill(pid_t pid, int sig);
624 asmlinkage long sys_tgkill(pid_t tgid, pid_t pid, int sig);
625 asmlinkage long sys_sigaltstack(const struct sigaltstack __user *uss,
626 struct sigaltstack __user *uoss);
627 asmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize);
628 #ifndef CONFIG_ODD_RT_SIGACTION
629 asmlinkage long sys_rt_sigaction(int,
630 const struct sigaction __user *,
631 struct sigaction __user *,
632 size_t);
633 #endif
634 asmlinkage long sys_rt_sigprocmask(int how, sigset_t __user *set,
635 sigset_t __user *oset, size_t sigsetsize);
636 asmlinkage long sys_rt_sigpending(sigset_t __user *set, size_t sigsetsize);
637 asmlinkage long sys_rt_sigtimedwait(const sigset_t __user *uthese,
638 siginfo_t __user *uinfo,
639 const struct __kernel_timespec __user *uts,
640 size_t sigsetsize);
641 asmlinkage long sys_rt_sigtimedwait_time32(const sigset_t __user *uthese,
642 siginfo_t __user *uinfo,
643 const struct old_timespec32 __user *uts,
644 size_t sigsetsize);
645 asmlinkage long sys_rt_sigqueueinfo(pid_t pid, int sig, siginfo_t __user *uinfo);
646 asmlinkage long sys_setpriority(int which, int who, int niceval);
647 asmlinkage long sys_getpriority(int which, int who);
648 asmlinkage long sys_reboot(int magic1, int magic2, unsigned int cmd,
649 void __user *arg);
650 asmlinkage long sys_setregid(gid_t rgid, gid_t egid);
651 asmlinkage long sys_setgid(gid_t gid);
652 asmlinkage long sys_setreuid(uid_t ruid, uid_t euid);
653 asmlinkage long sys_setuid(uid_t uid);
654 asmlinkage long sys_setresuid(uid_t ruid, uid_t euid, uid_t suid);
655 asmlinkage long sys_getresuid(uid_t __user *ruid, uid_t __user *euid, uid_t __user *suid);
656 asmlinkage long sys_setresgid(gid_t rgid, gid_t egid, gid_t sgid);
657 asmlinkage long sys_getresgid(gid_t __user *rgid, gid_t __user *egid, gid_t __user *sgid);
658 asmlinkage long sys_setfsuid(uid_t uid);
659 asmlinkage long sys_setfsgid(gid_t gid);
660 asmlinkage long sys_times(struct tms __user *tbuf);
661 asmlinkage long sys_setpgid(pid_t pid, pid_t pgid);
662 asmlinkage long sys_getpgid(pid_t pid);
663 asmlinkage long sys_getsid(pid_t pid);
664 asmlinkage long sys_setsid(void);
665 asmlinkage long sys_getgroups(int gidsetsize, gid_t __user *grouplist);
666 asmlinkage long sys_setgroups(int gidsetsize, gid_t __user *grouplist);
667 asmlinkage long sys_newuname(struct new_utsname __user *name);
668 asmlinkage long sys_sethostname(char __user *name, int len);
669 asmlinkage long sys_setdomainname(char __user *name, int len);
670 asmlinkage long sys_getrlimit(unsigned int resource,
671 struct rlimit __user *rlim);
672 asmlinkage long sys_setrlimit(unsigned int resource,
673 struct rlimit __user *rlim);
674 asmlinkage long sys_getrusage(int who, struct rusage __user *ru);
675 asmlinkage long sys_umask(int mask);
676 asmlinkage long sys_prctl(int option, unsigned long arg2, unsigned long arg3,
677 unsigned long arg4, unsigned long arg5);
678 asmlinkage long sys_getcpu(unsigned __user *cpu, unsigned __user *node, struct getcpu_cache __user *cache);
679 asmlinkage long sys_gettimeofday(struct __kernel_old_timeval __user *tv,
680 struct timezone __user *tz);
681 asmlinkage long sys_settimeofday(struct __kernel_old_timeval __user *tv,
682 struct timezone __user *tz);
683 asmlinkage long sys_adjtimex(struct __kernel_timex __user *txc_p);
684 asmlinkage long sys_adjtimex_time32(struct old_timex32 __user *txc_p);
685 asmlinkage long sys_getpid(void);
686 asmlinkage long sys_getppid(void);
687 asmlinkage long sys_getuid(void);
688 asmlinkage long sys_geteuid(void);
689 asmlinkage long sys_getgid(void);
690 asmlinkage long sys_getegid(void);
691 asmlinkage long sys_gettid(void);
692 asmlinkage long sys_sysinfo(struct sysinfo __user *info);
693 asmlinkage long sys_mq_open(const char __user *name, int oflag, umode_t mode, struct mq_attr __user *attr);
694 asmlinkage long sys_mq_unlink(const char __user *name);
695 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);
696 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);
697 asmlinkage long sys_mq_notify(mqd_t mqdes, const struct sigevent __user *notification);
698 asmlinkage long sys_mq_getsetattr(mqd_t mqdes, const struct mq_attr __user *mqstat, struct mq_attr __user *omqstat);
699 asmlinkage long sys_mq_timedreceive_time32(mqd_t mqdes,
700 char __user *u_msg_ptr,
701 unsigned int msg_len, unsigned int __user *u_msg_prio,
702 const struct old_timespec32 __user *u_abs_timeout);
703 asmlinkage long sys_mq_timedsend_time32(mqd_t mqdes,
704 const char __user *u_msg_ptr,
705 unsigned int msg_len, unsigned int msg_prio,
706 const struct old_timespec32 __user *u_abs_timeout);
707 asmlinkage long sys_msgget(key_t key, int msgflg);
708 asmlinkage long sys_old_msgctl(int msqid, int cmd, struct msqid_ds __user *buf);
709 asmlinkage long sys_msgctl(int msqid, int cmd, struct msqid_ds __user *buf);
710 asmlinkage long sys_msgrcv(int msqid, struct msgbuf __user *msgp,
711 size_t msgsz, long msgtyp, int msgflg);
712 asmlinkage long sys_msgsnd(int msqid, struct msgbuf __user *msgp,
713 size_t msgsz, int msgflg);
714 asmlinkage long sys_semget(key_t key, int nsems, int semflg);
715 asmlinkage long sys_semctl(int semid, int semnum, int cmd, unsigned long arg);
716 asmlinkage long sys_old_semctl(int semid, int semnum, int cmd, unsigned long arg);
717 asmlinkage long sys_semtimedop(int semid, struct sembuf __user *sops,
718 unsigned nsops,
719 const struct __kernel_timespec __user *timeout);
720 asmlinkage long sys_semtimedop_time32(int semid, struct sembuf __user *sops,
721 unsigned nsops,
722 const struct old_timespec32 __user *timeout);
723 asmlinkage long sys_semop(int semid, struct sembuf __user *sops,
724 unsigned nsops);
725 asmlinkage long sys_shmget(key_t key, size_t size, int flag);
726 asmlinkage long sys_old_shmctl(int shmid, int cmd, struct shmid_ds __user *buf);
727 asmlinkage long sys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf);
728 asmlinkage long sys_shmat(int shmid, char __user *shmaddr, int shmflg);
729 asmlinkage long sys_shmdt(char __user *shmaddr);
730 asmlinkage long sys_socket(int, int, int);
731 asmlinkage long sys_socketpair(int, int, int, int __user *);
732 asmlinkage long sys_bind(int, struct sockaddr __user *, int);
733 asmlinkage long sys_listen(int, int);
734 asmlinkage long sys_accept(int, struct sockaddr __user *, int __user *);
735 asmlinkage long sys_connect(int, struct sockaddr __user *, int);
736 asmlinkage long sys_getsockname(int, struct sockaddr __user *, int __user *);
737 asmlinkage long sys_getpeername(int, struct sockaddr __user *, int __user *);
738 asmlinkage long sys_sendto(int, void __user *, size_t, unsigned,
739 struct sockaddr __user *, int);
740 asmlinkage long sys_recvfrom(int, void __user *, size_t, unsigned,
741 struct sockaddr __user *, int __user *);
742 asmlinkage long sys_setsockopt(int fd, int level, int optname,
743 char __user *optval, int optlen);
744 asmlinkage long sys_getsockopt(int fd, int level, int optname,
745 char __user *optval, int __user *optlen);
746 asmlinkage long sys_shutdown(int, int);
747 asmlinkage long sys_sendmsg(int fd, struct user_msghdr __user *msg, unsigned flags);
748 asmlinkage long sys_recvmsg(int fd, struct user_msghdr __user *msg, unsigned flags);
749 asmlinkage long sys_readahead(int fd, loff_t offset, size_t count);
750 asmlinkage long sys_brk(unsigned long brk);
751 asmlinkage long sys_munmap(unsigned long addr, size_t len);
752 asmlinkage long sys_mremap(unsigned long addr,
753 unsigned long old_len, unsigned long new_len,
754 unsigned long flags, unsigned long new_addr);
755 asmlinkage long sys_add_key(const char __user *_type,
756 const char __user *_description,
757 const void __user *_payload,
758 size_t plen,
759 key_serial_t destringid);
760 asmlinkage long sys_request_key(const char __user *_type,
761 const char __user *_description,
762 const char __user *_callout_info,
763 key_serial_t destringid);
764 asmlinkage long sys_keyctl(int cmd, unsigned long arg2, unsigned long arg3,
765 unsigned long arg4, unsigned long arg5);
766 #ifdef CONFIG_CLONE_BACKWARDS
767 asmlinkage long sys_clone(unsigned long, unsigned long, int __user *, unsigned long,
768 int __user *);
769 #else
770 #ifdef CONFIG_CLONE_BACKWARDS3
771 asmlinkage long sys_clone(unsigned long, unsigned long, int, int __user *,
772 int __user *, unsigned long);
773 #else
774 asmlinkage long sys_clone(unsigned long, unsigned long, int __user *,
775 int __user *, unsigned long);
776 #endif
777 #endif
778
779 asmlinkage long sys_clone3(struct clone_args __user *uargs, size_t size);
780
781 asmlinkage long sys_execve(const char __user *filename,
782 const char __user *const __user *argv,
783 const char __user *const __user *envp);
784 asmlinkage long sys_fadvise64_64(int fd, loff_t offset, loff_t len, int advice);
785
786 /* CONFIG_MMU only */
787 asmlinkage long sys_swapon(const char __user *specialfile, int swap_flags);
788 asmlinkage long sys_swapoff(const char __user *specialfile);
789 asmlinkage long sys_mprotect(unsigned long start, size_t len,
790 unsigned long prot);
791 asmlinkage long sys_msync(unsigned long start, size_t len, int flags);
792 asmlinkage long sys_mlock(unsigned long start, size_t len);
793 asmlinkage long sys_munlock(unsigned long start, size_t len);
794 asmlinkage long sys_mlockall(int flags);
795 asmlinkage long sys_munlockall(void);
796 asmlinkage long sys_mincore(unsigned long start, size_t len,
797 unsigned char __user * vec);
798 asmlinkage long sys_madvise(unsigned long start, size_t len, int behavior);
799 asmlinkage long sys_process_madvise(int pidfd, const struct iovec __user *vec,
800 size_t vlen, int behavior, unsigned int flags);
801 asmlinkage long sys_process_mrelease(int pidfd, unsigned int flags);
802 asmlinkage long sys_remap_file_pages(unsigned long start, unsigned long size,
803 unsigned long prot, unsigned long pgoff,
804 unsigned long flags);
805 asmlinkage long sys_mbind(unsigned long start, unsigned long len,
806 unsigned long mode,
807 const unsigned long __user *nmask,
808 unsigned long maxnode,
809 unsigned flags);
810 asmlinkage long sys_get_mempolicy(int __user *policy,
811 unsigned long __user *nmask,
812 unsigned long maxnode,
813 unsigned long addr, unsigned long flags);
814 asmlinkage long sys_set_mempolicy(int mode, const unsigned long __user *nmask,
815 unsigned long maxnode);
816 asmlinkage long sys_migrate_pages(pid_t pid, unsigned long maxnode,
817 const unsigned long __user *from,
818 const unsigned long __user *to);
819 asmlinkage long sys_move_pages(pid_t pid, unsigned long nr_pages,
820 const void __user * __user *pages,
821 const int __user *nodes,
822 int __user *status,
823 int flags);
824 asmlinkage long sys_rt_tgsigqueueinfo(pid_t tgid, pid_t pid, int sig,
825 siginfo_t __user *uinfo);
826 asmlinkage long sys_perf_event_open(
827 struct perf_event_attr __user *attr_uptr,
828 pid_t pid, int cpu, int group_fd, unsigned long flags);
829 asmlinkage long sys_accept4(int, struct sockaddr __user *, int __user *, int);
830 asmlinkage long sys_recvmmsg(int fd, struct mmsghdr __user *msg,
831 unsigned int vlen, unsigned flags,
832 struct __kernel_timespec __user *timeout);
833 asmlinkage long sys_recvmmsg_time32(int fd, struct mmsghdr __user *msg,
834 unsigned int vlen, unsigned flags,
835 struct old_timespec32 __user *timeout);
836 asmlinkage long sys_wait4(pid_t pid, int __user *stat_addr,
837 int options, struct rusage __user *ru);
838 asmlinkage long sys_prlimit64(pid_t pid, unsigned int resource,
839 const struct rlimit64 __user *new_rlim,
840 struct rlimit64 __user *old_rlim);
841 asmlinkage long sys_fanotify_init(unsigned int flags, unsigned int event_f_flags);
842 asmlinkage long sys_fanotify_mark(int fanotify_fd, unsigned int flags,
843 u64 mask, int fd,
844 const char __user *pathname);
845 asmlinkage long sys_name_to_handle_at(int dfd, const char __user *name,
846 struct file_handle __user *handle,
847 int __user *mnt_id, int flag);
848 asmlinkage long sys_open_by_handle_at(int mountdirfd,
849 struct file_handle __user *handle,
850 int flags);
851 asmlinkage long sys_clock_adjtime(clockid_t which_clock,
852 struct __kernel_timex __user *tx);
853 asmlinkage long sys_clock_adjtime32(clockid_t which_clock,
854 struct old_timex32 __user *tx);
855 asmlinkage long sys_syncfs(int fd);
856 asmlinkage long sys_setns(int fd, int nstype);
857 asmlinkage long sys_pidfd_open(pid_t pid, unsigned int flags);
858 asmlinkage long sys_sendmmsg(int fd, struct mmsghdr __user *msg,
859 unsigned int vlen, unsigned flags);
860 asmlinkage long sys_process_vm_readv(pid_t pid,
861 const struct iovec __user *lvec,
862 unsigned long liovcnt,
863 const struct iovec __user *rvec,
864 unsigned long riovcnt,
865 unsigned long flags);
866 asmlinkage long sys_process_vm_writev(pid_t pid,
867 const struct iovec __user *lvec,
868 unsigned long liovcnt,
869 const struct iovec __user *rvec,
870 unsigned long riovcnt,
871 unsigned long flags);
872 asmlinkage long sys_kcmp(pid_t pid1, pid_t pid2, int type,
873 unsigned long idx1, unsigned long idx2);
874 asmlinkage long sys_finit_module(int fd, const char __user *uargs, int flags);
875 asmlinkage long sys_sched_setattr(pid_t pid,
876 struct sched_attr __user *attr,
877 unsigned int flags);
878 asmlinkage long sys_sched_getattr(pid_t pid,
879 struct sched_attr __user *attr,
880 unsigned int size,
881 unsigned int flags);
882 asmlinkage long sys_renameat2(int olddfd, const char __user *oldname,
883 int newdfd, const char __user *newname,
884 unsigned int flags);
885 asmlinkage long sys_seccomp(unsigned int op, unsigned int flags,
886 void __user *uargs);
887 asmlinkage long sys_getrandom(char __user *buf, size_t count,
888 unsigned int flags);
889 asmlinkage long sys_memfd_create(const char __user *uname_ptr, unsigned int flags);
890 asmlinkage long sys_bpf(int cmd, union bpf_attr *attr, unsigned int size);
891 asmlinkage long sys_execveat(int dfd, const char __user *filename,
892 const char __user *const __user *argv,
893 const char __user *const __user *envp, int flags);
894 asmlinkage long sys_userfaultfd(int flags);
895 asmlinkage long sys_membarrier(int cmd, unsigned int flags, int cpu_id);
896 asmlinkage long sys_mlock2(unsigned long start, size_t len, int flags);
897 asmlinkage long sys_copy_file_range(int fd_in, loff_t __user *off_in,
898 int fd_out, loff_t __user *off_out,
899 size_t len, unsigned int flags);
900 asmlinkage long sys_preadv2(unsigned long fd, const struct iovec __user *vec,
901 unsigned long vlen, unsigned long pos_l, unsigned long pos_h,
902 rwf_t flags);
903 asmlinkage long sys_pwritev2(unsigned long fd, const struct iovec __user *vec,
904 unsigned long vlen, unsigned long pos_l, unsigned long pos_h,
905 rwf_t flags);
906 asmlinkage long sys_pkey_mprotect(unsigned long start, size_t len,
907 unsigned long prot, int pkey);
908 asmlinkage long sys_pkey_alloc(unsigned long flags, unsigned long init_val);
909 asmlinkage long sys_pkey_free(int pkey);
910 asmlinkage long sys_statx(int dfd, const char __user *path, unsigned flags,
911 unsigned mask, struct statx __user *buffer);
912 asmlinkage long sys_rseq(struct rseq __user *rseq, uint32_t rseq_len,
913 int flags, uint32_t sig);
914 asmlinkage long sys_open_tree(int dfd, const char __user *path, unsigned flags);
915 asmlinkage long sys_move_mount(int from_dfd, const char __user *from_path,
916 int to_dfd, const char __user *to_path,
917 unsigned int ms_flags);
918 asmlinkage long sys_mount_setattr(int dfd, const char __user *path,
919 unsigned int flags,
920 struct mount_attr __user *uattr, size_t usize);
921 asmlinkage long sys_fsopen(const char __user *fs_name, unsigned int flags);
922 asmlinkage long sys_fsconfig(int fs_fd, unsigned int cmd, const char __user *key,
923 const void __user *value, int aux);
924 asmlinkage long sys_fsmount(int fs_fd, unsigned int flags, unsigned int ms_flags);
925 asmlinkage long sys_fspick(int dfd, const char __user *path, unsigned int flags);
926 asmlinkage long sys_pidfd_send_signal(int pidfd, int sig,
927 siginfo_t __user *info,
928 unsigned int flags);
929 asmlinkage long sys_pidfd_getfd(int pidfd, int fd, unsigned int flags);
930 asmlinkage long sys_landlock_create_ruleset(const struct landlock_ruleset_attr __user *attr,
931 size_t size, __u32 flags);
932 asmlinkage long sys_landlock_add_rule(int ruleset_fd, enum landlock_rule_type rule_type,
933 const void __user *rule_attr, __u32 flags);
934 asmlinkage long sys_landlock_restrict_self(int ruleset_fd, __u32 flags);
935 asmlinkage long sys_memfd_secret(unsigned int flags);
936 asmlinkage long sys_set_mempolicy_home_node(unsigned long start, unsigned long len,
937 unsigned long home_node,
938 unsigned long flags);
939 asmlinkage long sys_cachestat(unsigned int fd,
940 struct cachestat_range __user *cstat_range,
941 struct cachestat __user *cstat, unsigned int flags);
942 asmlinkage long sys_map_shadow_stack(unsigned long addr, unsigned long size, unsigned int flags);
943
944 /*
945 * Architecture-specific system calls
946 */
947
948 /* x86 */
949 asmlinkage long sys_ioperm(unsigned long from, unsigned long num, int on);
950
951 /* pciconfig: alpha, arm, arm64, ia64, sparc */
952 asmlinkage long sys_pciconfig_read(unsigned long bus, unsigned long dfn,
953 unsigned long off, unsigned long len,
954 void __user *buf);
955 asmlinkage long sys_pciconfig_write(unsigned long bus, unsigned long dfn,
956 unsigned long off, unsigned long len,
957 void __user *buf);
958 asmlinkage long sys_pciconfig_iobase(long which, unsigned long bus, unsigned long devfn);
959
960 /* powerpc */
961 asmlinkage long sys_spu_run(int fd, __u32 __user *unpc,
962 __u32 __user *ustatus);
963 asmlinkage long sys_spu_create(const char __user *name,
964 unsigned int flags, umode_t mode, int fd);
965
966
967 /*
968 * Deprecated system calls which are still defined in
969 * include/uapi/asm-generic/unistd.h and wanted by >= 1 arch
970 */
971
972 /* __ARCH_WANT_SYSCALL_NO_AT */
973 asmlinkage long sys_open(const char __user *filename,
974 int flags, umode_t mode);
975 asmlinkage long sys_link(const char __user *oldname,
976 const char __user *newname);
977 asmlinkage long sys_unlink(const char __user *pathname);
978 asmlinkage long sys_mknod(const char __user *filename, umode_t mode,
979 unsigned dev);
980 asmlinkage long sys_chmod(const char __user *filename, umode_t mode);
981 asmlinkage long sys_chown(const char __user *filename,
982 uid_t user, gid_t group);
983 asmlinkage long sys_mkdir(const char __user *pathname, umode_t mode);
984 asmlinkage long sys_rmdir(const char __user *pathname);
985 asmlinkage long sys_lchown(const char __user *filename,
986 uid_t user, gid_t group);
987 asmlinkage long sys_access(const char __user *filename, int mode);
988 asmlinkage long sys_rename(const char __user *oldname,
989 const char __user *newname);
990 asmlinkage long sys_symlink(const char __user *old, const char __user *new);
991 #if defined(__ARCH_WANT_STAT64) || defined(__ARCH_WANT_COMPAT_STAT64)
992 asmlinkage long sys_stat64(const char __user *filename,
993 struct stat64 __user *statbuf);
994 asmlinkage long sys_lstat64(const char __user *filename,
995 struct stat64 __user *statbuf);
996 #endif
997
998 /* __ARCH_WANT_SYSCALL_NO_FLAGS */
999 asmlinkage long sys_pipe(int __user *fildes);
1000 asmlinkage long sys_dup2(unsigned int oldfd, unsigned int newfd);
1001 asmlinkage long sys_epoll_create(int size);
1002 asmlinkage long sys_inotify_init(void);
1003 asmlinkage long sys_eventfd(unsigned int count);
1004 asmlinkage long sys_signalfd(int ufd, sigset_t __user *user_mask, size_t sizemask);
1005
1006 /* __ARCH_WANT_SYSCALL_OFF_T */
1007 asmlinkage long sys_sendfile(int out_fd, int in_fd,
1008 off_t __user *offset, size_t count);
1009 asmlinkage long sys_newstat(const char __user *filename,
1010 struct stat __user *statbuf);
1011 asmlinkage long sys_newlstat(const char __user *filename,
1012 struct stat __user *statbuf);
1013 asmlinkage long sys_fadvise64(int fd, loff_t offset, size_t len, int advice);
1014
1015 /* __ARCH_WANT_SYSCALL_DEPRECATED */
1016 asmlinkage long sys_alarm(unsigned int seconds);
1017 asmlinkage long sys_getpgrp(void);
1018 asmlinkage long sys_pause(void);
1019 asmlinkage long sys_time(__kernel_old_time_t __user *tloc);
1020 asmlinkage long sys_time32(old_time32_t __user *tloc);
1021 #ifdef __ARCH_WANT_SYS_UTIME
1022 asmlinkage long sys_utime(char __user *filename,
1023 struct utimbuf __user *times);
1024 asmlinkage long sys_utimes(char __user *filename,
1025 struct __kernel_old_timeval __user *utimes);
1026 asmlinkage long sys_futimesat(int dfd, const char __user *filename,
1027 struct __kernel_old_timeval __user *utimes);
1028 #endif
1029 asmlinkage long sys_futimesat_time32(unsigned int dfd,
1030 const char __user *filename,
1031 struct old_timeval32 __user *t);
1032 asmlinkage long sys_utime32(const char __user *filename,
1033 struct old_utimbuf32 __user *t);
1034 asmlinkage long sys_utimes_time32(const char __user *filename,
1035 struct old_timeval32 __user *t);
1036 asmlinkage long sys_creat(const char __user *pathname, umode_t mode);
1037 asmlinkage long sys_getdents(unsigned int fd,
1038 struct linux_dirent __user *dirent,
1039 unsigned int count);
1040 asmlinkage long sys_select(int n, fd_set __user *inp, fd_set __user *outp,
1041 fd_set __user *exp, struct __kernel_old_timeval __user *tvp);
1042 asmlinkage long sys_poll(struct pollfd __user *ufds, unsigned int nfds,
1043 int timeout);
1044 asmlinkage long sys_epoll_wait(int epfd, struct epoll_event __user *events,
1045 int maxevents, int timeout);
1046 asmlinkage long sys_ustat(unsigned dev, struct ustat __user *ubuf);
1047 asmlinkage long sys_vfork(void);
1048 asmlinkage long sys_recv(int, void __user *, size_t, unsigned);
1049 asmlinkage long sys_send(int, void __user *, size_t, unsigned);
1050 asmlinkage long sys_oldumount(char __user *name);
1051 asmlinkage long sys_uselib(const char __user *library);
1052 asmlinkage long sys_sysfs(int option,
1053 unsigned long arg1, unsigned long arg2);
1054 asmlinkage long sys_fork(void);
1055
1056 /* obsolete */
1057 asmlinkage long sys_stime(__kernel_old_time_t __user *tptr);
1058 asmlinkage long sys_stime32(old_time32_t __user *tptr);
1059
1060 /* obsolete */
1061 asmlinkage long sys_sigpending(old_sigset_t __user *uset);
1062 asmlinkage long sys_sigprocmask(int how, old_sigset_t __user *set,
1063 old_sigset_t __user *oset);
1064 #ifdef CONFIG_OLD_SIGSUSPEND
1065 asmlinkage long sys_sigsuspend(old_sigset_t mask);
1066 #endif
1067
1068 #ifdef CONFIG_OLD_SIGSUSPEND3
1069 asmlinkage long sys_sigsuspend(int unused1, int unused2, old_sigset_t mask);
1070 #endif
1071
1072 #ifdef CONFIG_OLD_SIGACTION
1073 asmlinkage long sys_sigaction(int, const struct old_sigaction __user *,
1074 struct old_sigaction __user *);
1075 #endif
1076 asmlinkage long sys_sgetmask(void);
1077 asmlinkage long sys_ssetmask(int newmask);
1078 asmlinkage long sys_signal(int sig, __sighandler_t handler);
1079
1080 /* obsolete */
1081 asmlinkage long sys_nice(int increment);
1082
1083 /* obsolete */
1084 asmlinkage long sys_kexec_file_load(int kernel_fd, int initrd_fd,
1085 unsigned long cmdline_len,
1086 const char __user *cmdline_ptr,
1087 unsigned long flags);
1088
1089 /* obsolete */
1090 asmlinkage long sys_waitpid(pid_t pid, int __user *stat_addr, int options);
1091
1092 /* obsolete */
1093 #ifdef CONFIG_HAVE_UID16
1094 asmlinkage long sys_chown16(const char __user *filename,
1095 old_uid_t user, old_gid_t group);
1096 asmlinkage long sys_lchown16(const char __user *filename,
1097 old_uid_t user, old_gid_t group);
1098 asmlinkage long sys_fchown16(unsigned int fd, old_uid_t user, old_gid_t group);
1099 asmlinkage long sys_setregid16(old_gid_t rgid, old_gid_t egid);
1100 asmlinkage long sys_setgid16(old_gid_t gid);
1101 asmlinkage long sys_setreuid16(old_uid_t ruid, old_uid_t euid);
1102 asmlinkage long sys_setuid16(old_uid_t uid);
1103 asmlinkage long sys_setresuid16(old_uid_t ruid, old_uid_t euid, old_uid_t suid);
1104 asmlinkage long sys_getresuid16(old_uid_t __user *ruid,
1105 old_uid_t __user *euid, old_uid_t __user *suid);
1106 asmlinkage long sys_setresgid16(old_gid_t rgid, old_gid_t egid, old_gid_t sgid);
1107 asmlinkage long sys_getresgid16(old_gid_t __user *rgid,
1108 old_gid_t __user *egid, old_gid_t __user *sgid);
1109 asmlinkage long sys_setfsuid16(old_uid_t uid);
1110 asmlinkage long sys_setfsgid16(old_gid_t gid);
1111 asmlinkage long sys_getgroups16(int gidsetsize, old_gid_t __user *grouplist);
1112 asmlinkage long sys_setgroups16(int gidsetsize, old_gid_t __user *grouplist);
1113 asmlinkage long sys_getuid16(void);
1114 asmlinkage long sys_geteuid16(void);
1115 asmlinkage long sys_getgid16(void);
1116 asmlinkage long sys_getegid16(void);
1117 #endif
1118
1119 /* obsolete */
1120 asmlinkage long sys_socketcall(int call, unsigned long __user *args);
1121
1122 /* obsolete */
1123 asmlinkage long sys_stat(const char __user *filename,
1124 struct __old_kernel_stat __user *statbuf);
1125 asmlinkage long sys_lstat(const char __user *filename,
1126 struct __old_kernel_stat __user *statbuf);
1127 asmlinkage long sys_fstat(unsigned int fd,
1128 struct __old_kernel_stat __user *statbuf);
1129 asmlinkage long sys_readlink(const char __user *path,
1130 char __user *buf, int bufsiz);
1131
1132 /* obsolete */
1133 asmlinkage long sys_old_select(struct sel_arg_struct __user *arg);
1134
1135 /* obsolete */
1136 asmlinkage long sys_old_readdir(unsigned int, struct old_linux_dirent __user *, unsigned int);
1137
1138 /* obsolete */
1139 asmlinkage long sys_gethostname(char __user *name, int len);
1140 asmlinkage long sys_uname(struct old_utsname __user *);
1141 asmlinkage long sys_olduname(struct oldold_utsname __user *);
1142 #ifdef __ARCH_WANT_SYS_OLD_GETRLIMIT
1143 asmlinkage long sys_old_getrlimit(unsigned int resource, struct rlimit __user *rlim);
1144 #endif
1145
1146 /* obsolete */
1147 asmlinkage long sys_ipc(unsigned int call, int first, unsigned long second,
1148 unsigned long third, void __user *ptr, long fifth);
1149
1150 /* obsolete */
1151 asmlinkage long sys_mmap_pgoff(unsigned long addr, unsigned long len,
1152 unsigned long prot, unsigned long flags,
1153 unsigned long fd, unsigned long pgoff);
1154 asmlinkage long sys_old_mmap(struct mmap_arg_struct __user *arg);
1155
1156
1157 /*
1158 * Not a real system call, but a placeholder for syscalls which are
1159 * not implemented -- see kernel/sys_ni.c
1160 */
1161 asmlinkage long sys_ni_syscall(void);
1162
1163 #endif /* CONFIG_ARCH_HAS_SYSCALL_WRAPPER */
1164
1165 asmlinkage long sys_ni_posix_timers(void);
1166
1167 /*
1168 * Kernel code should not call syscalls (i.e., sys_xyzyyz()) directly.
1169 * Instead, use one of the functions which work equivalently, such as
1170 * the ksys_xyzyyz() functions prototyped below.
1171 */
1172 ssize_t ksys_write(unsigned int fd, const char __user *buf, size_t count);
1173 int ksys_fchown(unsigned int fd, uid_t user, gid_t group);
1174 ssize_t ksys_read(unsigned int fd, char __user *buf, size_t count);
1175 void ksys_sync(void);
1176 int ksys_unshare(unsigned long unshare_flags);
1177 int ksys_setsid(void);
1178 int ksys_sync_file_range(int fd, loff_t offset, loff_t nbytes,
1179 unsigned int flags);
1180 ssize_t ksys_pread64(unsigned int fd, char __user *buf, size_t count,
1181 loff_t pos);
1182 ssize_t ksys_pwrite64(unsigned int fd, const char __user *buf,
1183 size_t count, loff_t pos);
1184 int ksys_fallocate(int fd, int mode, loff_t offset, loff_t len);
1185 #ifdef CONFIG_ADVISE_SYSCALLS
1186 int ksys_fadvise64_64(int fd, loff_t offset, loff_t len, int advice);
1187 #else
ksys_fadvise64_64(int fd,loff_t offset,loff_t len,int advice)1188 static inline int ksys_fadvise64_64(int fd, loff_t offset, loff_t len,
1189 int advice)
1190 {
1191 return -EINVAL;
1192 }
1193 #endif
1194 unsigned long ksys_mmap_pgoff(unsigned long addr, unsigned long len,
1195 unsigned long prot, unsigned long flags,
1196 unsigned long fd, unsigned long pgoff);
1197 ssize_t ksys_readahead(int fd, loff_t offset, size_t count);
1198 int ksys_ipc(unsigned int call, int first, unsigned long second,
1199 unsigned long third, void __user * ptr, long fifth);
1200 int compat_ksys_ipc(u32 call, int first, int second,
1201 u32 third, u32 ptr, u32 fifth);
1202
1203 /*
1204 * The following kernel syscall equivalents are just wrappers to fs-internal
1205 * functions. Therefore, provide stubs to be inlined at the callsites.
1206 */
1207 extern int do_fchownat(int dfd, const char __user *filename, uid_t user,
1208 gid_t group, int flag);
1209
ksys_chown(const char __user * filename,uid_t user,gid_t group)1210 static inline long ksys_chown(const char __user *filename, uid_t user,
1211 gid_t group)
1212 {
1213 return do_fchownat(AT_FDCWD, filename, user, group, 0);
1214 }
1215
ksys_lchown(const char __user * filename,uid_t user,gid_t group)1216 static inline long ksys_lchown(const char __user *filename, uid_t user,
1217 gid_t group)
1218 {
1219 return do_fchownat(AT_FDCWD, filename, user, group,
1220 AT_SYMLINK_NOFOLLOW);
1221 }
1222
1223 extern long do_sys_ftruncate(unsigned int fd, loff_t length, int small);
1224
ksys_ftruncate(unsigned int fd,loff_t length)1225 static inline long ksys_ftruncate(unsigned int fd, loff_t length)
1226 {
1227 return do_sys_ftruncate(fd, length, 1);
1228 }
1229
1230 extern long do_sys_truncate(const char __user *pathname, loff_t length);
1231
ksys_truncate(const char __user * pathname,loff_t length)1232 static inline long ksys_truncate(const char __user *pathname, loff_t length)
1233 {
1234 return do_sys_truncate(pathname, length);
1235 }
1236
ksys_personality(unsigned int personality)1237 static inline unsigned int ksys_personality(unsigned int personality)
1238 {
1239 unsigned int old = current->personality;
1240
1241 if (personality != 0xffffffff)
1242 set_personality(personality);
1243
1244 return old;
1245 }
1246
1247 /* for __ARCH_WANT_SYS_IPC */
1248 long ksys_semtimedop(int semid, struct sembuf __user *tsops,
1249 unsigned int nsops,
1250 const struct __kernel_timespec __user *timeout);
1251 long ksys_semget(key_t key, int nsems, int semflg);
1252 long ksys_old_semctl(int semid, int semnum, int cmd, unsigned long arg);
1253 long ksys_msgget(key_t key, int msgflg);
1254 long ksys_old_msgctl(int msqid, int cmd, struct msqid_ds __user *buf);
1255 long ksys_msgrcv(int msqid, struct msgbuf __user *msgp, size_t msgsz,
1256 long msgtyp, int msgflg);
1257 long ksys_msgsnd(int msqid, struct msgbuf __user *msgp, size_t msgsz,
1258 int msgflg);
1259 long ksys_shmget(key_t key, size_t size, int shmflg);
1260 long ksys_shmdt(char __user *shmaddr);
1261 long ksys_old_shmctl(int shmid, int cmd, struct shmid_ds __user *buf);
1262 long compat_ksys_semtimedop(int semid, struct sembuf __user *tsems,
1263 unsigned int nsops,
1264 const struct old_timespec32 __user *timeout);
1265 long __do_semtimedop(int semid, struct sembuf *tsems, unsigned int nsops,
1266 const struct timespec64 *timeout,
1267 struct ipc_namespace *ns);
1268
1269 int __sys_getsockopt(int fd, int level, int optname, char __user *optval,
1270 int __user *optlen);
1271 int __sys_setsockopt(int fd, int level, int optname, char __user *optval,
1272 int optlen);
1273 #endif
1274
