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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
12struct __aio_sigset;
13struct epoll_event;
14struct iattr;
15struct inode;
16struct iocb;
17struct io_event;
18struct iovec;
19struct __kernel_old_itimerval;
20struct kexec_segment;
21struct linux_dirent;
22struct linux_dirent64;
23struct list_head;
24struct mmap_arg_struct;
25struct msgbuf;
26struct user_msghdr;
27struct mmsghdr;
28struct msqid_ds;
29struct new_utsname;
30struct nfsctl_arg;
31struct __old_kernel_stat;
32struct oldold_utsname;
33struct old_utsname;
34struct pollfd;
35struct rlimit;
36struct rlimit64;
37struct rusage;
38struct sched_param;
39struct sched_attr;
40struct sel_arg_struct;
41struct semaphore;
42struct sembuf;
43struct shmid_ds;
44struct sockaddr;
45struct stat;
46struct stat64;
47struct statfs;
48struct statfs64;
49struct statx;
50struct sysinfo;
51struct timespec;
52struct __kernel_old_timeval;
53struct __kernel_timex;
54struct timezone;
55struct tms;
56struct utimbuf;
57struct mq_attr;
58struct compat_stat;
59struct old_timeval32;
60struct robust_list_head;
61struct futex_waitv;
62struct getcpu_cache;
63struct old_linux_dirent;
64struct perf_event_attr;
65struct file_handle;
66struct sigaltstack;
67struct rseq;
68union bpf_attr;
69struct io_uring_params;
70struct clone_args;
71struct open_how;
72struct mount_attr;
73struct landlock_ruleset_attr;
74enum landlock_rule_type;
75struct cachestat_range;
76struct 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
135extern struct trace_event_class event_class_syscall_enter;
136extern struct trace_event_class event_class_syscall_exit;
137extern struct trace_event_functions enter_syscall_print_funcs;
138extern 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
196static 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
205static 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
300asmlinkage long sys_io_setup(unsigned nr_reqs, aio_context_t __user *ctx);
301asmlinkage long sys_io_destroy(aio_context_t ctx);
302asmlinkage long sys_io_submit(aio_context_t, long,
303 struct iocb __user * __user *);
304asmlinkage long sys_io_cancel(aio_context_t ctx_id, struct iocb __user *iocb,
305 struct io_event __user *result);
306asmlinkage 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);
311asmlinkage 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);
316asmlinkage 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);
322asmlinkage 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);
328asmlinkage long sys_io_uring_setup(u32 entries,
329 struct io_uring_params __user *p);
330asmlinkage 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);
333asmlinkage long sys_io_uring_register(unsigned int fd, unsigned int op,
334 void __user *arg, unsigned int nr_args);
335asmlinkage long sys_setxattr(const char __user *path, const char __user *name,
336 const void __user *value, size_t size, int flags);
337asmlinkage long sys_lsetxattr(const char __user *path, const char __user *name,
338 const void __user *value, size_t size, int flags);
339asmlinkage long sys_fsetxattr(int fd, const char __user *name,
340 const void __user *value, size_t size, int flags);
341asmlinkage long sys_getxattr(const char __user *path, const char __user *name,
342 void __user *value, size_t size);
343asmlinkage long sys_lgetxattr(const char __user *path, const char __user *name,
344 void __user *value, size_t size);
345asmlinkage long sys_fgetxattr(int fd, const char __user *name,
346 void __user *value, size_t size);
347asmlinkage long sys_listxattr(const char __user *path, char __user *list,
348 size_t size);
349asmlinkage long sys_llistxattr(const char __user *path, char __user *list,
350 size_t size);
351asmlinkage long sys_flistxattr(int fd, char __user *list, size_t size);
352asmlinkage long sys_removexattr(const char __user *path,
353 const char __user *name);
354asmlinkage long sys_lremovexattr(const char __user *path,
355 const char __user *name);
356asmlinkage long sys_fremovexattr(int fd, const char __user *name);
357asmlinkage long sys_getcwd(char __user *buf, unsigned long size);
358asmlinkage long sys_lookup_dcookie(u64 cookie64, char __user *buf, size_t len);
359asmlinkage long sys_eventfd2(unsigned int count, int flags);
360asmlinkage long sys_epoll_create1(int flags);
361asmlinkage long sys_epoll_ctl(int epfd, int op, int fd,
362 struct epoll_event __user *event);
363asmlinkage 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);
367asmlinkage 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);
372asmlinkage long sys_dup(unsigned int fildes);
373asmlinkage long sys_dup3(unsigned int oldfd, unsigned int newfd, int flags);
374asmlinkage long sys_fcntl(unsigned int fd, unsigned int cmd, unsigned long arg);
375#if BITS_PER_LONG == 32
376asmlinkage long sys_fcntl64(unsigned int fd,
377 unsigned int cmd, unsigned long arg);
378#endif
379asmlinkage long sys_inotify_init1(int flags);
380asmlinkage long sys_inotify_add_watch(int fd, const char __user *path,
381 u32 mask);
382asmlinkage long sys_inotify_rm_watch(int fd, __s32 wd);
383asmlinkage long sys_ioctl(unsigned int fd, unsigned int cmd,
384 unsigned long arg);
385asmlinkage long sys_ioprio_set(int which, int who, int ioprio);
386asmlinkage long sys_ioprio_get(int which, int who);
387asmlinkage long sys_flock(unsigned int fd, unsigned int cmd);
388asmlinkage long sys_mknodat(int dfd, const char __user * filename, umode_t mode,
389 unsigned dev);
390asmlinkage long sys_mkdirat(int dfd, const char __user * pathname, umode_t mode);
391asmlinkage long sys_unlinkat(int dfd, const char __user * pathname, int flag);
392asmlinkage long sys_symlinkat(const char __user * oldname,
393 int newdfd, const char __user * newname);
394asmlinkage long sys_linkat(int olddfd, const char __user *oldname,
395 int newdfd, const char __user *newname, int flags);
396asmlinkage long sys_renameat(int olddfd, const char __user * oldname,
397 int newdfd, const char __user * newname);
398asmlinkage long sys_umount(char __user *name, int flags);
399asmlinkage long sys_mount(char __user *dev_name, char __user *dir_name,
400 char __user *type, unsigned long flags,
401 void __user *data);
402asmlinkage long sys_pivot_root(const char __user *new_root,
403 const char __user *put_old);
404asmlinkage long sys_statfs(const char __user * path,
405 struct statfs __user *buf);
406asmlinkage long sys_statfs64(const char __user *path, size_t sz,
407 struct statfs64 __user *buf);
408asmlinkage long sys_fstatfs(unsigned int fd, struct statfs __user *buf);
409asmlinkage long sys_fstatfs64(unsigned int fd, size_t sz,
410 struct statfs64 __user *buf);
411asmlinkage long sys_truncate(const char __user *path, long length);
412asmlinkage long sys_ftruncate(unsigned int fd, unsigned long length);
413#if BITS_PER_LONG == 32
414asmlinkage long sys_truncate64(const char __user *path, loff_t length);
415asmlinkage long sys_ftruncate64(unsigned int fd, loff_t length);
416#endif
417asmlinkage long sys_fallocate(int fd, int mode, loff_t offset, loff_t len);
418asmlinkage long sys_faccessat(int dfd, const char __user *filename, int mode);
419asmlinkage long sys_faccessat2(int dfd, const char __user *filename, int mode,
420 int flags);
421asmlinkage long sys_chdir(const char __user *filename);
422asmlinkage long sys_fchdir(unsigned int fd);
423asmlinkage long sys_chroot(const char __user *filename);
424asmlinkage long sys_fchmod(unsigned int fd, umode_t mode);
425asmlinkage long sys_fchmodat(int dfd, const char __user *filename,
426 umode_t mode);
427asmlinkage long sys_fchmodat2(int dfd, const char __user *filename,
428 umode_t mode, unsigned int flags);
429asmlinkage long sys_fchownat(int dfd, const char __user *filename, uid_t user,
430 gid_t group, int flag);
431asmlinkage long sys_fchown(unsigned int fd, uid_t user, gid_t group);
432asmlinkage long sys_openat(int dfd, const char __user *filename, int flags,
433 umode_t mode);
434asmlinkage long sys_openat2(int dfd, const char __user *filename,
435 struct open_how *how, size_t size);
436asmlinkage long sys_close(unsigned int fd);
437asmlinkage long sys_close_range(unsigned int fd, unsigned int max_fd,
438 unsigned int flags);
439asmlinkage long sys_vhangup(void);
440asmlinkage long sys_pipe2(int __user *fildes, int flags);
441asmlinkage long sys_quotactl(unsigned int cmd, const char __user *special,
442 qid_t id, void __user *addr);
443asmlinkage long sys_quotactl_fd(unsigned int fd, unsigned int cmd, qid_t id,
444 void __user *addr);
445asmlinkage long sys_getdents64(unsigned int fd,
446 struct linux_dirent64 __user *dirent,
447 unsigned int count);
448asmlinkage long sys_llseek(unsigned int fd, unsigned long offset_high,
449 unsigned long offset_low, loff_t __user *result,
450 unsigned int whence);
451asmlinkage long sys_lseek(unsigned int fd, off_t offset,
452 unsigned int whence);
453asmlinkage long sys_read(unsigned int fd, char __user *buf, size_t count);
454asmlinkage long sys_write(unsigned int fd, const char __user *buf,
455 size_t count);
456asmlinkage long sys_readv(unsigned long fd,
457 const struct iovec __user *vec,
458 unsigned long vlen);
459asmlinkage long sys_writev(unsigned long fd,
460 const struct iovec __user *vec,
461 unsigned long vlen);
462asmlinkage long sys_pread64(unsigned int fd, char __user *buf,
463 size_t count, loff_t pos);
464asmlinkage long sys_pwrite64(unsigned int fd, const char __user *buf,
465 size_t count, loff_t pos);
466asmlinkage long sys_preadv(unsigned long fd, const struct iovec __user *vec,
467 unsigned long vlen, unsigned long pos_l, unsigned long pos_h);
468asmlinkage long sys_pwritev(unsigned long fd, const struct iovec __user *vec,
469 unsigned long vlen, unsigned long pos_l, unsigned long pos_h);
470asmlinkage long sys_sendfile64(int out_fd, int in_fd,
471 loff_t __user *offset, size_t count);
472asmlinkage long sys_pselect6(int, fd_set __user *, fd_set __user *,
473 fd_set __user *, struct __kernel_timespec __user *,
474 void __user *);
475asmlinkage long sys_pselect6_time32(int, fd_set __user *, fd_set __user *,
476 fd_set __user *, struct old_timespec32 __user *,
477 void __user *);
478asmlinkage long sys_ppoll(struct pollfd __user *, unsigned int,
479 struct __kernel_timespec __user *, const sigset_t __user *,
480 size_t);
481asmlinkage long sys_ppoll_time32(struct pollfd __user *, unsigned int,
482 struct old_timespec32 __user *, const sigset_t __user *,
483 size_t);
484asmlinkage long sys_signalfd4(int ufd, sigset_t __user *user_mask, size_t sizemask, int flags);
485asmlinkage long sys_vmsplice(int fd, const struct iovec __user *iov,
486 unsigned long nr_segs, unsigned int flags);
487asmlinkage 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);
490asmlinkage long sys_tee(int fdin, int fdout, size_t len, unsigned int flags);
491asmlinkage long sys_readlinkat(int dfd, const char __user *path, char __user *buf,
492 int bufsiz);
493asmlinkage long sys_newfstatat(int dfd, const char __user *filename,
494 struct stat __user *statbuf, int flag);
495asmlinkage long sys_newfstat(unsigned int fd, struct stat __user *statbuf);
496#if defined(__ARCH_WANT_STAT64) || defined(__ARCH_WANT_COMPAT_STAT64)
497asmlinkage long sys_fstat64(unsigned long fd, struct stat64 __user *statbuf);
498asmlinkage long sys_fstatat64(int dfd, const char __user *filename,
499 struct stat64 __user *statbuf, int flag);
500#endif
501asmlinkage long sys_sync(void);
502asmlinkage long sys_fsync(unsigned int fd);
503asmlinkage long sys_fdatasync(unsigned int fd);
504asmlinkage long sys_sync_file_range2(int fd, unsigned int flags,
505 loff_t offset, loff_t nbytes);
506asmlinkage long sys_sync_file_range(int fd, loff_t offset, loff_t nbytes,
507 unsigned int flags);
508asmlinkage long sys_timerfd_create(int clockid, int flags);
509asmlinkage long sys_timerfd_settime(int ufd, int flags,
510 const struct __kernel_itimerspec __user *utmr,
511 struct __kernel_itimerspec __user *otmr);
512asmlinkage long sys_timerfd_gettime(int ufd, struct __kernel_itimerspec __user *otmr);
513asmlinkage long sys_timerfd_gettime32(int ufd,
514 struct old_itimerspec32 __user *otmr);
515asmlinkage long sys_timerfd_settime32(int ufd, int flags,
516 const struct old_itimerspec32 __user *utmr,
517 struct old_itimerspec32 __user *otmr);
518asmlinkage long sys_utimensat(int dfd, const char __user *filename,
519 struct __kernel_timespec __user *utimes,
520 int flags);
521asmlinkage long sys_utimensat_time32(unsigned int dfd,
522 const char __user *filename,
523 struct old_timespec32 __user *t, int flags);
524asmlinkage long sys_acct(const char __user *name);
525asmlinkage long sys_capget(cap_user_header_t header,
526 cap_user_data_t dataptr);
527asmlinkage long sys_capset(cap_user_header_t header,
528 const cap_user_data_t data);
529asmlinkage long sys_personality(unsigned int personality);
530asmlinkage long sys_exit(int error_code);
531asmlinkage long sys_exit_group(int error_code);
532asmlinkage long sys_waitid(int which, pid_t pid,
533 struct siginfo __user *infop,
534 int options, struct rusage __user *ru);
535asmlinkage long sys_set_tid_address(int __user *tidptr);
536asmlinkage long sys_unshare(unsigned long unshare_flags);
537asmlinkage long sys_futex(u32 __user *uaddr, int op, u32 val,
538 const struct __kernel_timespec __user *utime,
539 u32 __user *uaddr2, u32 val3);
540asmlinkage long sys_futex_time32(u32 __user *uaddr, int op, u32 val,
541 const struct old_timespec32 __user *utime,
542 u32 __user *uaddr2, u32 val3);
543asmlinkage long sys_get_robust_list(int pid,
544 struct robust_list_head __user * __user *head_ptr,
545 size_t __user *len_ptr);
546asmlinkage long sys_set_robust_list(struct robust_list_head __user *head,
547 size_t len);
548
549asmlinkage 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);
552asmlinkage long sys_nanosleep(struct __kernel_timespec __user *rqtp,
553 struct __kernel_timespec __user *rmtp);
554asmlinkage long sys_nanosleep_time32(struct old_timespec32 __user *rqtp,
555 struct old_timespec32 __user *rmtp);
556asmlinkage long sys_getitimer(int which, struct __kernel_old_itimerval __user *value);
557asmlinkage long sys_setitimer(int which,
558 struct __kernel_old_itimerval __user *value,
559 struct __kernel_old_itimerval __user *ovalue);
560asmlinkage long sys_kexec_load(unsigned long entry, unsigned long nr_segments,
561 struct kexec_segment __user *segments,
562 unsigned long flags);
563asmlinkage long sys_init_module(void __user *umod, unsigned long len,
564 const char __user *uargs);
565asmlinkage long sys_delete_module(const char __user *name_user,
566 unsigned int flags);
567asmlinkage long sys_timer_create(clockid_t which_clock,
568 struct sigevent __user *timer_event_spec,
569 timer_t __user * created_timer_id);
570asmlinkage long sys_timer_gettime(timer_t timer_id,
571 struct __kernel_itimerspec __user *setting);
572asmlinkage long sys_timer_getoverrun(timer_t timer_id);
573asmlinkage 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);
576asmlinkage long sys_timer_delete(timer_t timer_id);
577asmlinkage long sys_clock_settime(clockid_t which_clock,
578 const struct __kernel_timespec __user *tp);
579asmlinkage long sys_clock_gettime(clockid_t which_clock,
580 struct __kernel_timespec __user *tp);
581asmlinkage long sys_clock_getres(clockid_t which_clock,
582 struct __kernel_timespec __user *tp);
583asmlinkage long sys_clock_nanosleep(clockid_t which_clock, int flags,
584 const struct __kernel_timespec __user *rqtp,
585 struct __kernel_timespec __user *rmtp);
586asmlinkage long sys_timer_gettime32(timer_t timer_id,
587 struct old_itimerspec32 __user *setting);
588asmlinkage long sys_timer_settime32(timer_t timer_id, int flags,
589 struct old_itimerspec32 __user *new,
590 struct old_itimerspec32 __user *old);
591asmlinkage long sys_clock_settime32(clockid_t which_clock,
592 struct old_timespec32 __user *tp);
593asmlinkage long sys_clock_gettime32(clockid_t which_clock,
594 struct old_timespec32 __user *tp);
595asmlinkage long sys_clock_getres_time32(clockid_t which_clock,
596 struct old_timespec32 __user *tp);
597asmlinkage long sys_clock_nanosleep_time32(clockid_t which_clock, int flags,
598 struct old_timespec32 __user *rqtp,
599 struct old_timespec32 __user *rmtp);
600asmlinkage long sys_syslog(int type, char __user *buf, int len);
601asmlinkage long sys_ptrace(long request, long pid, unsigned long addr,
602 unsigned long data);
603asmlinkage long sys_sched_setparam(pid_t pid,
604 struct sched_param __user *param);
605asmlinkage long sys_sched_setscheduler(pid_t pid, int policy,
606 struct sched_param __user *param);
607asmlinkage long sys_sched_getscheduler(pid_t pid);
608asmlinkage long sys_sched_getparam(pid_t pid,
609 struct sched_param __user *param);
610asmlinkage long sys_sched_setaffinity(pid_t pid, unsigned int len,
611 unsigned long __user *user_mask_ptr);
612asmlinkage long sys_sched_getaffinity(pid_t pid, unsigned int len,
613 unsigned long __user *user_mask_ptr);
614asmlinkage long sys_sched_yield(void);
615asmlinkage long sys_sched_get_priority_max(int policy);
616asmlinkage long sys_sched_get_priority_min(int policy);
617asmlinkage long sys_sched_rr_get_interval(pid_t pid,
618 struct __kernel_timespec __user *interval);
619asmlinkage long sys_sched_rr_get_interval_time32(pid_t pid,
620 struct old_timespec32 __user *interval);
621asmlinkage long sys_restart_syscall(void);
622asmlinkage long sys_kill(pid_t pid, int sig);
623asmlinkage long sys_tkill(pid_t pid, int sig);
624asmlinkage long sys_tgkill(pid_t tgid, pid_t pid, int sig);
625asmlinkage long sys_sigaltstack(const struct sigaltstack __user *uss,
626 struct sigaltstack __user *uoss);
627asmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize);
628#ifndef CONFIG_ODD_RT_SIGACTION
629asmlinkage long sys_rt_sigaction(int,
630 const struct sigaction __user *,
631 struct sigaction __user *,
632 size_t);
633#endif
634asmlinkage long sys_rt_sigprocmask(int how, sigset_t __user *set,
635 sigset_t __user *oset, size_t sigsetsize);
636asmlinkage long sys_rt_sigpending(sigset_t __user *set, size_t sigsetsize);
637asmlinkage 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);
641asmlinkage 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);
645asmlinkage long sys_rt_sigqueueinfo(pid_t pid, int sig, siginfo_t __user *uinfo);
646asmlinkage long sys_setpriority(int which, int who, int niceval);
647asmlinkage long sys_getpriority(int which, int who);
648asmlinkage long sys_reboot(int magic1, int magic2, unsigned int cmd,
649 void __user *arg);
650asmlinkage long sys_setregid(gid_t rgid, gid_t egid);
651asmlinkage long sys_setgid(gid_t gid);
652asmlinkage long sys_setreuid(uid_t ruid, uid_t euid);
653asmlinkage long sys_setuid(uid_t uid);
654asmlinkage long sys_setresuid(uid_t ruid, uid_t euid, uid_t suid);
655asmlinkage long sys_getresuid(uid_t __user *ruid, uid_t __user *euid, uid_t __user *suid);
656asmlinkage long sys_setresgid(gid_t rgid, gid_t egid, gid_t sgid);
657asmlinkage long sys_getresgid(gid_t __user *rgid, gid_t __user *egid, gid_t __user *sgid);
658asmlinkage long sys_setfsuid(uid_t uid);
659asmlinkage long sys_setfsgid(gid_t gid);
660asmlinkage long sys_times(struct tms __user *tbuf);
661asmlinkage long sys_setpgid(pid_t pid, pid_t pgid);
662asmlinkage long sys_getpgid(pid_t pid);
663asmlinkage long sys_getsid(pid_t pid);
664asmlinkage long sys_setsid(void);
665asmlinkage long sys_getgroups(int gidsetsize, gid_t __user *grouplist);
666asmlinkage long sys_setgroups(int gidsetsize, gid_t __user *grouplist);
667asmlinkage long sys_newuname(struct new_utsname __user *name);
668asmlinkage long sys_sethostname(char __user *name, int len);
669asmlinkage long sys_setdomainname(char __user *name, int len);
670asmlinkage long sys_getrlimit(unsigned int resource,
671 struct rlimit __user *rlim);
672asmlinkage long sys_setrlimit(unsigned int resource,
673 struct rlimit __user *rlim);
674asmlinkage long sys_getrusage(int who, struct rusage __user *ru);
675asmlinkage long sys_umask(int mask);
676asmlinkage long sys_prctl(int option, unsigned long arg2, unsigned long arg3,
677 unsigned long arg4, unsigned long arg5);
678asmlinkage long sys_getcpu(unsigned __user *cpu, unsigned __user *node, struct getcpu_cache __user *cache);
679asmlinkage long sys_gettimeofday(struct __kernel_old_timeval __user *tv,
680 struct timezone __user *tz);
681asmlinkage long sys_settimeofday(struct __kernel_old_timeval __user *tv,
682 struct timezone __user *tz);
683asmlinkage long sys_adjtimex(struct __kernel_timex __user *txc_p);
684asmlinkage long sys_adjtimex_time32(struct old_timex32 __user *txc_p);
685asmlinkage long sys_getpid(void);
686asmlinkage long sys_getppid(void);
687asmlinkage long sys_getuid(void);
688asmlinkage long sys_geteuid(void);
689asmlinkage long sys_getgid(void);
690asmlinkage long sys_getegid(void);
691asmlinkage long sys_gettid(void);
692asmlinkage long sys_sysinfo(struct sysinfo __user *info);
693asmlinkage long sys_mq_open(const char __user *name, int oflag, umode_t mode, struct mq_attr __user *attr);
694asmlinkage long sys_mq_unlink(const char __user *name);
695asmlinkage 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);
696asmlinkage 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);
697asmlinkage long sys_mq_notify(mqd_t mqdes, const struct sigevent __user *notification);
698asmlinkage long sys_mq_getsetattr(mqd_t mqdes, const struct mq_attr __user *mqstat, struct mq_attr __user *omqstat);
699asmlinkage 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);
703asmlinkage 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);
707asmlinkage long sys_msgget(key_t key, int msgflg);
708asmlinkage long sys_old_msgctl(int msqid, int cmd, struct msqid_ds __user *buf);
709asmlinkage long sys_msgctl(int msqid, int cmd, struct msqid_ds __user *buf);
710asmlinkage long sys_msgrcv(int msqid, struct msgbuf __user *msgp,
711 size_t msgsz, long msgtyp, int msgflg);
712asmlinkage long sys_msgsnd(int msqid, struct msgbuf __user *msgp,
713 size_t msgsz, int msgflg);
714asmlinkage long sys_semget(key_t key, int nsems, int semflg);
715asmlinkage long sys_semctl(int semid, int semnum, int cmd, unsigned long arg);
716asmlinkage long sys_old_semctl(int semid, int semnum, int cmd, unsigned long arg);
717asmlinkage long sys_semtimedop(int semid, struct sembuf __user *sops,
718 unsigned nsops,
719 const struct __kernel_timespec __user *timeout);
720asmlinkage long sys_semtimedop_time32(int semid, struct sembuf __user *sops,
721 unsigned nsops,
722 const struct old_timespec32 __user *timeout);
723asmlinkage long sys_semop(int semid, struct sembuf __user *sops,
724 unsigned nsops);
725asmlinkage long sys_shmget(key_t key, size_t size, int flag);
726asmlinkage long sys_old_shmctl(int shmid, int cmd, struct shmid_ds __user *buf);
727asmlinkage long sys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf);
728asmlinkage long sys_shmat(int shmid, char __user *shmaddr, int shmflg);
729asmlinkage long sys_shmdt(char __user *shmaddr);
730asmlinkage long sys_socket(int, int, int);
731asmlinkage long sys_socketpair(int, int, int, int __user *);
732asmlinkage long sys_bind(int, struct sockaddr __user *, int);
733asmlinkage long sys_listen(int, int);
734asmlinkage long sys_accept(int, struct sockaddr __user *, int __user *);
735asmlinkage long sys_connect(int, struct sockaddr __user *, int);
736asmlinkage long sys_getsockname(int, struct sockaddr __user *, int __user *);
737asmlinkage long sys_getpeername(int, struct sockaddr __user *, int __user *);
738asmlinkage long sys_sendto(int, void __user *, size_t, unsigned,
739 struct sockaddr __user *, int);
740asmlinkage long sys_recvfrom(int, void __user *, size_t, unsigned,
741 struct sockaddr __user *, int __user *);
742asmlinkage long sys_setsockopt(int fd, int level, int optname,
743 char __user *optval, int optlen);
744asmlinkage long sys_getsockopt(int fd, int level, int optname,
745 char __user *optval, int __user *optlen);
746asmlinkage long sys_shutdown(int, int);
747asmlinkage long sys_sendmsg(int fd, struct user_msghdr __user *msg, unsigned flags);
748asmlinkage long sys_recvmsg(int fd, struct user_msghdr __user *msg, unsigned flags);
749asmlinkage long sys_readahead(int fd, loff_t offset, size_t count);
750asmlinkage long sys_brk(unsigned long brk);
751asmlinkage long sys_munmap(unsigned long addr, size_t len);
752asmlinkage long sys_mremap(unsigned long addr,
753 unsigned long old_len, unsigned long new_len,
754 unsigned long flags, unsigned long new_addr);
755asmlinkage 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);
760asmlinkage long sys_request_key(const char __user *_type,
761 const char __user *_description,
762 const char __user *_callout_info,
763 key_serial_t destringid);
764asmlinkage long sys_keyctl(int cmd, unsigned long arg2, unsigned long arg3,
765 unsigned long arg4, unsigned long arg5);
766#ifdef CONFIG_CLONE_BACKWARDS
767asmlinkage long sys_clone(unsigned long, unsigned long, int __user *, unsigned long,
768 int __user *);
769#else
770#ifdef CONFIG_CLONE_BACKWARDS3
771asmlinkage long sys_clone(unsigned long, unsigned long, int, int __user *,
772 int __user *, unsigned long);
773#else
774asmlinkage long sys_clone(unsigned long, unsigned long, int __user *,
775 int __user *, unsigned long);
776#endif
777#endif
778
779asmlinkage long sys_clone3(struct clone_args __user *uargs, size_t size);
780
781asmlinkage long sys_execve(const char __user *filename,
782 const char __user *const __user *argv,
783 const char __user *const __user *envp);
784asmlinkage long sys_fadvise64_64(int fd, loff_t offset, loff_t len, int advice);
785
786/* CONFIG_MMU only */
787asmlinkage long sys_swapon(const char __user *specialfile, int swap_flags);
788asmlinkage long sys_swapoff(const char __user *specialfile);
789asmlinkage long sys_mprotect(unsigned long start, size_t len,
790 unsigned long prot);
791asmlinkage long sys_msync(unsigned long start, size_t len, int flags);
792asmlinkage long sys_mlock(unsigned long start, size_t len);
793asmlinkage long sys_munlock(unsigned long start, size_t len);
794asmlinkage long sys_mlockall(int flags);
795asmlinkage long sys_munlockall(void);
796asmlinkage long sys_mincore(unsigned long start, size_t len,
797 unsigned char __user * vec);
798asmlinkage long sys_madvise(unsigned long start, size_t len, int behavior);
799asmlinkage long sys_process_madvise(int pidfd, const struct iovec __user *vec,
800 size_t vlen, int behavior, unsigned int flags);
801asmlinkage long sys_process_mrelease(int pidfd, unsigned int flags);
802asmlinkage long sys_remap_file_pages(unsigned long start, unsigned long size,
803 unsigned long prot, unsigned long pgoff,
804 unsigned long flags);
805asmlinkage 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);
810asmlinkage long sys_get_mempolicy(int __user *policy,
811 unsigned long __user *nmask,
812 unsigned long maxnode,
813 unsigned long addr, unsigned long flags);
814asmlinkage long sys_set_mempolicy(int mode, const unsigned long __user *nmask,
815 unsigned long maxnode);
816asmlinkage long sys_migrate_pages(pid_t pid, unsigned long maxnode,
817 const unsigned long __user *from,
818 const unsigned long __user *to);
819asmlinkage 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);
824asmlinkage long sys_rt_tgsigqueueinfo(pid_t tgid, pid_t pid, int sig,
825 siginfo_t __user *uinfo);
826asmlinkage 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);
829asmlinkage long sys_accept4(int, struct sockaddr __user *, int __user *, int);
830asmlinkage long sys_recvmmsg(int fd, struct mmsghdr __user *msg,
831 unsigned int vlen, unsigned flags,
832 struct __kernel_timespec __user *timeout);
833asmlinkage long sys_recvmmsg_time32(int fd, struct mmsghdr __user *msg,
834 unsigned int vlen, unsigned flags,
835 struct old_timespec32 __user *timeout);
836asmlinkage long sys_wait4(pid_t pid, int __user *stat_addr,
837 int options, struct rusage __user *ru);
838asmlinkage long sys_prlimit64(pid_t pid, unsigned int resource,
839 const struct rlimit64 __user *new_rlim,
840 struct rlimit64 __user *old_rlim);
841asmlinkage long sys_fanotify_init(unsigned int flags, unsigned int event_f_flags);
842asmlinkage long sys_fanotify_mark(int fanotify_fd, unsigned int flags,
843 u64 mask, int fd,
844 const char __user *pathname);
845asmlinkage 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);
848asmlinkage long sys_open_by_handle_at(int mountdirfd,
849 struct file_handle __user *handle,
850 int flags);
851asmlinkage long sys_clock_adjtime(clockid_t which_clock,
852 struct __kernel_timex __user *tx);
853asmlinkage long sys_clock_adjtime32(clockid_t which_clock,
854 struct old_timex32 __user *tx);
855asmlinkage long sys_syncfs(int fd);
856asmlinkage long sys_setns(int fd, int nstype);
857asmlinkage long sys_pidfd_open(pid_t pid, unsigned int flags);
858asmlinkage long sys_sendmmsg(int fd, struct mmsghdr __user *msg,
859 unsigned int vlen, unsigned flags);
860asmlinkage 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);
866asmlinkage 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);
872asmlinkage long sys_kcmp(pid_t pid1, pid_t pid2, int type,
873 unsigned long idx1, unsigned long idx2);
874asmlinkage long sys_finit_module(int fd, const char __user *uargs, int flags);
875asmlinkage long sys_sched_setattr(pid_t pid,
876 struct sched_attr __user *attr,
877 unsigned int flags);
878asmlinkage long sys_sched_getattr(pid_t pid,
879 struct sched_attr __user *attr,
880 unsigned int size,
881 unsigned int flags);
882asmlinkage long sys_renameat2(int olddfd, const char __user *oldname,
883 int newdfd, const char __user *newname,
884 unsigned int flags);
885asmlinkage long sys_seccomp(unsigned int op, unsigned int flags,
886 void __user *uargs);
887asmlinkage long sys_getrandom(char __user *buf, size_t count,
888 unsigned int flags);
889asmlinkage long sys_memfd_create(const char __user *uname_ptr, unsigned int flags);
890asmlinkage long sys_bpf(int cmd, union bpf_attr *attr, unsigned int size);
891asmlinkage 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);
894asmlinkage long sys_userfaultfd(int flags);
895asmlinkage long sys_membarrier(int cmd, unsigned int flags, int cpu_id);
896asmlinkage long sys_mlock2(unsigned long start, size_t len, int flags);
897asmlinkage 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);
900asmlinkage 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);
903asmlinkage 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);
906asmlinkage long sys_pkey_mprotect(unsigned long start, size_t len,
907 unsigned long prot, int pkey);
908asmlinkage long sys_pkey_alloc(unsigned long flags, unsigned long init_val);
909asmlinkage long sys_pkey_free(int pkey);
910asmlinkage long sys_statx(int dfd, const char __user *path, unsigned flags,
911 unsigned mask, struct statx __user *buffer);
912asmlinkage long sys_rseq(struct rseq __user *rseq, uint32_t rseq_len,
913 int flags, uint32_t sig);
914asmlinkage long sys_open_tree(int dfd, const char __user *path, unsigned flags);
915asmlinkage 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);
918asmlinkage long sys_mount_setattr(int dfd, const char __user *path,
919 unsigned int flags,
920 struct mount_attr __user *uattr, size_t usize);
921asmlinkage long sys_fsopen(const char __user *fs_name, unsigned int flags);
922asmlinkage long sys_fsconfig(int fs_fd, unsigned int cmd, const char __user *key,
923 const void __user *value, int aux);
924asmlinkage long sys_fsmount(int fs_fd, unsigned int flags, unsigned int ms_flags);
925asmlinkage long sys_fspick(int dfd, const char __user *path, unsigned int flags);
926asmlinkage long sys_pidfd_send_signal(int pidfd, int sig,
927 siginfo_t __user *info,
928 unsigned int flags);
929asmlinkage long sys_pidfd_getfd(int pidfd, int fd, unsigned int flags);
930asmlinkage long sys_landlock_create_ruleset(const struct landlock_ruleset_attr __user *attr,
931 size_t size, __u32 flags);
932asmlinkage long sys_landlock_add_rule(int ruleset_fd, enum landlock_rule_type rule_type,
933 const void __user *rule_attr, __u32 flags);
934asmlinkage long sys_landlock_restrict_self(int ruleset_fd, __u32 flags);
935asmlinkage long sys_memfd_secret(unsigned int flags);
936asmlinkage long sys_set_mempolicy_home_node(unsigned long start, unsigned long len,
937 unsigned long home_node,
938 unsigned long flags);
939asmlinkage long sys_cachestat(unsigned int fd,
940 struct cachestat_range __user *cstat_range,
941 struct cachestat __user *cstat, unsigned int flags);
942asmlinkage 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 */
949asmlinkage long sys_ioperm(unsigned long from, unsigned long num, int on);
950
951/* pciconfig: alpha, arm, arm64, ia64, sparc */
952asmlinkage long sys_pciconfig_read(unsigned long bus, unsigned long dfn,
953 unsigned long off, unsigned long len,
954 void __user *buf);
955asmlinkage long sys_pciconfig_write(unsigned long bus, unsigned long dfn,
956 unsigned long off, unsigned long len,
957 void __user *buf);
958asmlinkage long sys_pciconfig_iobase(long which, unsigned long bus, unsigned long devfn);
959
960/* powerpc */
961asmlinkage long sys_spu_run(int fd, __u32 __user *unpc,
962 __u32 __user *ustatus);
963asmlinkage 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 */
973asmlinkage long sys_open(const char __user *filename,
974 int flags, umode_t mode);
975asmlinkage long sys_link(const char __user *oldname,
976 const char __user *newname);
977asmlinkage long sys_unlink(const char __user *pathname);
978asmlinkage long sys_mknod(const char __user *filename, umode_t mode,
979 unsigned dev);
980asmlinkage long sys_chmod(const char __user *filename, umode_t mode);
981asmlinkage long sys_chown(const char __user *filename,
982 uid_t user, gid_t group);
983asmlinkage long sys_mkdir(const char __user *pathname, umode_t mode);
984asmlinkage long sys_rmdir(const char __user *pathname);
985asmlinkage long sys_lchown(const char __user *filename,
986 uid_t user, gid_t group);
987asmlinkage long sys_access(const char __user *filename, int mode);
988asmlinkage long sys_rename(const char __user *oldname,
989 const char __user *newname);
990asmlinkage long sys_symlink(const char __user *old, const char __user *new);
991#if defined(__ARCH_WANT_STAT64) || defined(__ARCH_WANT_COMPAT_STAT64)
992asmlinkage long sys_stat64(const char __user *filename,
993 struct stat64 __user *statbuf);
994asmlinkage long sys_lstat64(const char __user *filename,
995 struct stat64 __user *statbuf);
996#endif
997
998/* __ARCH_WANT_SYSCALL_NO_FLAGS */
999asmlinkage long sys_pipe(int __user *fildes);
1000asmlinkage long sys_dup2(unsigned int oldfd, unsigned int newfd);
1001asmlinkage long sys_epoll_create(int size);
1002asmlinkage long sys_inotify_init(void);
1003asmlinkage long sys_eventfd(unsigned int count);
1004asmlinkage long sys_signalfd(int ufd, sigset_t __user *user_mask, size_t sizemask);
1005
1006/* __ARCH_WANT_SYSCALL_OFF_T */
1007asmlinkage long sys_sendfile(int out_fd, int in_fd,
1008 off_t __user *offset, size_t count);
1009asmlinkage long sys_newstat(const char __user *filename,
1010 struct stat __user *statbuf);
1011asmlinkage long sys_newlstat(const char __user *filename,
1012 struct stat __user *statbuf);
1013asmlinkage long sys_fadvise64(int fd, loff_t offset, size_t len, int advice);
1014
1015/* __ARCH_WANT_SYSCALL_DEPRECATED */
1016asmlinkage long sys_alarm(unsigned int seconds);
1017asmlinkage long sys_getpgrp(void);
1018asmlinkage long sys_pause(void);
1019asmlinkage long sys_time(__kernel_old_time_t __user *tloc);
1020asmlinkage long sys_time32(old_time32_t __user *tloc);
1021#ifdef __ARCH_WANT_SYS_UTIME
1022asmlinkage long sys_utime(char __user *filename,
1023 struct utimbuf __user *times);
1024asmlinkage long sys_utimes(char __user *filename,
1025 struct __kernel_old_timeval __user *utimes);
1026asmlinkage long sys_futimesat(int dfd, const char __user *filename,
1027 struct __kernel_old_timeval __user *utimes);
1028#endif
1029asmlinkage long sys_futimesat_time32(unsigned int dfd,
1030 const char __user *filename,
1031 struct old_timeval32 __user *t);
1032asmlinkage long sys_utime32(const char __user *filename,
1033 struct old_utimbuf32 __user *t);
1034asmlinkage long sys_utimes_time32(const char __user *filename,
1035 struct old_timeval32 __user *t);
1036asmlinkage long sys_creat(const char __user *pathname, umode_t mode);
1037asmlinkage long sys_getdents(unsigned int fd,
1038 struct linux_dirent __user *dirent,
1039 unsigned int count);
1040asmlinkage long sys_select(int n, fd_set __user *inp, fd_set __user *outp,
1041 fd_set __user *exp, struct __kernel_old_timeval __user *tvp);
1042asmlinkage long sys_poll(struct pollfd __user *ufds, unsigned int nfds,
1043 int timeout);
1044asmlinkage long sys_epoll_wait(int epfd, struct epoll_event __user *events,
1045 int maxevents, int timeout);
1046asmlinkage long sys_ustat(unsigned dev, struct ustat __user *ubuf);
1047asmlinkage long sys_vfork(void);
1048asmlinkage long sys_recv(int, void __user *, size_t, unsigned);
1049asmlinkage long sys_send(int, void __user *, size_t, unsigned);
1050asmlinkage long sys_oldumount(char __user *name);
1051asmlinkage long sys_uselib(const char __user *library);
1052asmlinkage long sys_sysfs(int option,
1053 unsigned long arg1, unsigned long arg2);
1054asmlinkage long sys_fork(void);
1055
1056/* obsolete */
1057asmlinkage long sys_stime(__kernel_old_time_t __user *tptr);
1058asmlinkage long sys_stime32(old_time32_t __user *tptr);
1059
1060/* obsolete */
1061asmlinkage long sys_sigpending(old_sigset_t __user *uset);
1062asmlinkage long sys_sigprocmask(int how, old_sigset_t __user *set,
1063 old_sigset_t __user *oset);
1064#ifdef CONFIG_OLD_SIGSUSPEND
1065asmlinkage long sys_sigsuspend(old_sigset_t mask);
1066#endif
1067
1068#ifdef CONFIG_OLD_SIGSUSPEND3
1069asmlinkage long sys_sigsuspend(int unused1, int unused2, old_sigset_t mask);
1070#endif
1071
1072#ifdef CONFIG_OLD_SIGACTION
1073asmlinkage long sys_sigaction(int, const struct old_sigaction __user *,
1074 struct old_sigaction __user *);
1075#endif
1076asmlinkage long sys_sgetmask(void);
1077asmlinkage long sys_ssetmask(int newmask);
1078asmlinkage long sys_signal(int sig, __sighandler_t handler);
1079
1080/* obsolete */
1081asmlinkage long sys_nice(int increment);
1082
1083/* obsolete */
1084asmlinkage 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 */
1090asmlinkage long sys_waitpid(pid_t pid, int __user *stat_addr, int options);
1091
1092/* obsolete */
1093#ifdef CONFIG_HAVE_UID16
1094asmlinkage long sys_chown16(const char __user *filename,
1095 old_uid_t user, old_gid_t group);
1096asmlinkage long sys_lchown16(const char __user *filename,
1097 old_uid_t user, old_gid_t group);
1098asmlinkage long sys_fchown16(unsigned int fd, old_uid_t user, old_gid_t group);
1099asmlinkage long sys_setregid16(old_gid_t rgid, old_gid_t egid);
1100asmlinkage long sys_setgid16(old_gid_t gid);
1101asmlinkage long sys_setreuid16(old_uid_t ruid, old_uid_t euid);
1102asmlinkage long sys_setuid16(old_uid_t uid);
1103asmlinkage long sys_setresuid16(old_uid_t ruid, old_uid_t euid, old_uid_t suid);
1104asmlinkage long sys_getresuid16(old_uid_t __user *ruid,
1105 old_uid_t __user *euid, old_uid_t __user *suid);
1106asmlinkage long sys_setresgid16(old_gid_t rgid, old_gid_t egid, old_gid_t sgid);
1107asmlinkage long sys_getresgid16(old_gid_t __user *rgid,
1108 old_gid_t __user *egid, old_gid_t __user *sgid);
1109asmlinkage long sys_setfsuid16(old_uid_t uid);
1110asmlinkage long sys_setfsgid16(old_gid_t gid);
1111asmlinkage long sys_getgroups16(int gidsetsize, old_gid_t __user *grouplist);
1112asmlinkage long sys_setgroups16(int gidsetsize, old_gid_t __user *grouplist);
1113asmlinkage long sys_getuid16(void);
1114asmlinkage long sys_geteuid16(void);
1115asmlinkage long sys_getgid16(void);
1116asmlinkage long sys_getegid16(void);
1117#endif
1118
1119/* obsolete */
1120asmlinkage long sys_socketcall(int call, unsigned long __user *args);
1121
1122/* obsolete */
1123asmlinkage long sys_stat(const char __user *filename,
1124 struct __old_kernel_stat __user *statbuf);
1125asmlinkage long sys_lstat(const char __user *filename,
1126 struct __old_kernel_stat __user *statbuf);
1127asmlinkage long sys_fstat(unsigned int fd,
1128 struct __old_kernel_stat __user *statbuf);
1129asmlinkage long sys_readlink(const char __user *path,
1130 char __user *buf, int bufsiz);
1131
1132/* obsolete */
1133asmlinkage long sys_old_select(struct sel_arg_struct __user *arg);
1134
1135/* obsolete */
1136asmlinkage long sys_old_readdir(unsigned int, struct old_linux_dirent __user *, unsigned int);
1137
1138/* obsolete */
1139asmlinkage long sys_gethostname(char __user *name, int len);
1140asmlinkage long sys_uname(struct old_utsname __user *);
1141asmlinkage long sys_olduname(struct oldold_utsname __user *);
1142#ifdef __ARCH_WANT_SYS_OLD_GETRLIMIT
1143asmlinkage long sys_old_getrlimit(unsigned int resource, struct rlimit __user *rlim);
1144#endif
1145
1146/* obsolete */
1147asmlinkage long sys_ipc(unsigned int call, int first, unsigned long second,
1148 unsigned long third, void __user *ptr, long fifth);
1149
1150/* obsolete */
1151asmlinkage long sys_mmap_pgoff(unsigned long addr, unsigned long len,
1152 unsigned long prot, unsigned long flags,
1153 unsigned long fd, unsigned long pgoff);
1154asmlinkage 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 */
1161asmlinkage long sys_ni_syscall(void);
1162
1163#endif /* CONFIG_ARCH_HAS_SYSCALL_WRAPPER */
1164
1165asmlinkage 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 */
1172ssize_t ksys_write(unsigned int fd, const char __user *buf, size_t count);
1173int ksys_fchown(unsigned int fd, uid_t user, gid_t group);
1174ssize_t ksys_read(unsigned int fd, char __user *buf, size_t count);
1175void ksys_sync(void);
1176int ksys_unshare(unsigned long unshare_flags);
1177int ksys_setsid(void);
1178int ksys_sync_file_range(int fd, loff_t offset, loff_t nbytes,
1179 unsigned int flags);
1180ssize_t ksys_pread64(unsigned int fd, char __user *buf, size_t count,
1181 loff_t pos);
1182ssize_t ksys_pwrite64(unsigned int fd, const char __user *buf,
1183 size_t count, loff_t pos);
1184int ksys_fallocate(int fd, int mode, loff_t offset, loff_t len);
1185#ifdef CONFIG_ADVISE_SYSCALLS
1186int ksys_fadvise64_64(int fd, loff_t offset, loff_t len, int advice);
1187#else
1188static inline int ksys_fadvise64_64(int fd, loff_t offset, loff_t len,
1189 int advice)
1190{
1191 return -EINVAL;
1192}
1193#endif
1194unsigned long ksys_mmap_pgoff(unsigned long addr, unsigned long len,
1195 unsigned long prot, unsigned long flags,
1196 unsigned long fd, unsigned long pgoff);
1197ssize_t ksys_readahead(int fd, loff_t offset, size_t count);
1198int ksys_ipc(unsigned int call, int first, unsigned long second,
1199 unsigned long third, void __user * ptr, long fifth);
1200int 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 */
1207extern int do_fchownat(int dfd, const char __user *filename, uid_t user,
1208 gid_t group, int flag);
1209
1210static 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
1216static 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
1223extern long do_sys_ftruncate(unsigned int fd, loff_t length, int small);
1224
1225static inline long ksys_ftruncate(unsigned int fd, loff_t length)
1226{
1227 return do_sys_ftruncate(fd, length, 1);
1228}
1229
1230extern long do_sys_truncate(const char __user *pathname, loff_t length);
1231
1232static inline long ksys_truncate(const char __user *pathname, loff_t length)
1233{
1234 return do_sys_truncate(pathname, length);
1235}
1236
1237static 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 */
1248long ksys_semtimedop(int semid, struct sembuf __user *tsops,
1249 unsigned int nsops,
1250 const struct __kernel_timespec __user *timeout);
1251long ksys_semget(key_t key, int nsems, int semflg);
1252long ksys_old_semctl(int semid, int semnum, int cmd, unsigned long arg);
1253long ksys_msgget(key_t key, int msgflg);
1254long ksys_old_msgctl(int msqid, int cmd, struct msqid_ds __user *buf);
1255long ksys_msgrcv(int msqid, struct msgbuf __user *msgp, size_t msgsz,
1256 long msgtyp, int msgflg);
1257long ksys_msgsnd(int msqid, struct msgbuf __user *msgp, size_t msgsz,
1258 int msgflg);
1259long ksys_shmget(key_t key, size_t size, int shmflg);
1260long ksys_shmdt(char __user *shmaddr);
1261long ksys_old_shmctl(int shmid, int cmd, struct shmid_ds __user *buf);
1262long compat_ksys_semtimedop(int semid, struct sembuf __user *tsems,
1263 unsigned int nsops,
1264 const struct old_timespec32 __user *timeout);
1265long __do_semtimedop(int semid, struct sembuf *tsems, unsigned int nsops,
1266 const struct timespec64 *timeout,
1267 struct ipc_namespace *ns);
1268
1269int __sys_getsockopt(int fd, int level, int optname, char __user *optval,
1270 int __user *optlen);
1271int __sys_setsockopt(int fd, int level, int optname, char __user *optval,
1272 int optlen);
1273#endif