Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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_eventfd2(unsigned int count, int flags);
359asmlinkage long sys_epoll_create1(int flags);
360asmlinkage long sys_epoll_ctl(int epfd, int op, int fd,
361 struct epoll_event __user *event);
362asmlinkage long sys_epoll_pwait(int epfd, struct epoll_event __user *events,
363 int maxevents, int timeout,
364 const sigset_t __user *sigmask,
365 size_t sigsetsize);
366asmlinkage long sys_epoll_pwait2(int epfd, struct epoll_event __user *events,
367 int maxevents,
368 const struct __kernel_timespec __user *timeout,
369 const sigset_t __user *sigmask,
370 size_t sigsetsize);
371asmlinkage long sys_dup(unsigned int fildes);
372asmlinkage long sys_dup3(unsigned int oldfd, unsigned int newfd, int flags);
373asmlinkage long sys_fcntl(unsigned int fd, unsigned int cmd, unsigned long arg);
374#if BITS_PER_LONG == 32
375asmlinkage long sys_fcntl64(unsigned int fd,
376 unsigned int cmd, unsigned long arg);
377#endif
378asmlinkage long sys_inotify_init1(int flags);
379asmlinkage long sys_inotify_add_watch(int fd, const char __user *path,
380 u32 mask);
381asmlinkage long sys_inotify_rm_watch(int fd, __s32 wd);
382asmlinkage long sys_ioctl(unsigned int fd, unsigned int cmd,
383 unsigned long arg);
384asmlinkage long sys_ioprio_set(int which, int who, int ioprio);
385asmlinkage long sys_ioprio_get(int which, int who);
386asmlinkage long sys_flock(unsigned int fd, unsigned int cmd);
387asmlinkage long sys_mknodat(int dfd, const char __user * filename, umode_t mode,
388 unsigned dev);
389asmlinkage long sys_mkdirat(int dfd, const char __user * pathname, umode_t mode);
390asmlinkage long sys_unlinkat(int dfd, const char __user * pathname, int flag);
391asmlinkage long sys_symlinkat(const char __user * oldname,
392 int newdfd, const char __user * newname);
393asmlinkage long sys_linkat(int olddfd, const char __user *oldname,
394 int newdfd, const char __user *newname, int flags);
395asmlinkage long sys_renameat(int olddfd, const char __user * oldname,
396 int newdfd, const char __user * newname);
397asmlinkage long sys_umount(char __user *name, int flags);
398asmlinkage long sys_mount(char __user *dev_name, char __user *dir_name,
399 char __user *type, unsigned long flags,
400 void __user *data);
401asmlinkage long sys_pivot_root(const char __user *new_root,
402 const char __user *put_old);
403asmlinkage long sys_statfs(const char __user * path,
404 struct statfs __user *buf);
405asmlinkage long sys_statfs64(const char __user *path, size_t sz,
406 struct statfs64 __user *buf);
407asmlinkage long sys_fstatfs(unsigned int fd, struct statfs __user *buf);
408asmlinkage long sys_fstatfs64(unsigned int fd, size_t sz,
409 struct statfs64 __user *buf);
410asmlinkage long sys_truncate(const char __user *path, long length);
411asmlinkage long sys_ftruncate(unsigned int fd, unsigned long length);
412#if BITS_PER_LONG == 32
413asmlinkage long sys_truncate64(const char __user *path, loff_t length);
414asmlinkage long sys_ftruncate64(unsigned int fd, loff_t length);
415#endif
416asmlinkage long sys_fallocate(int fd, int mode, loff_t offset, loff_t len);
417asmlinkage long sys_faccessat(int dfd, const char __user *filename, int mode);
418asmlinkage long sys_faccessat2(int dfd, const char __user *filename, int mode,
419 int flags);
420asmlinkage long sys_chdir(const char __user *filename);
421asmlinkage long sys_fchdir(unsigned int fd);
422asmlinkage long sys_chroot(const char __user *filename);
423asmlinkage long sys_fchmod(unsigned int fd, umode_t mode);
424asmlinkage long sys_fchmodat(int dfd, const char __user *filename,
425 umode_t mode);
426asmlinkage long sys_fchmodat2(int dfd, const char __user *filename,
427 umode_t mode, unsigned int flags);
428asmlinkage long sys_fchownat(int dfd, const char __user *filename, uid_t user,
429 gid_t group, int flag);
430asmlinkage long sys_fchown(unsigned int fd, uid_t user, gid_t group);
431asmlinkage long sys_openat(int dfd, const char __user *filename, int flags,
432 umode_t mode);
433asmlinkage long sys_openat2(int dfd, const char __user *filename,
434 struct open_how *how, size_t size);
435asmlinkage long sys_close(unsigned int fd);
436asmlinkage long sys_close_range(unsigned int fd, unsigned int max_fd,
437 unsigned int flags);
438asmlinkage long sys_vhangup(void);
439asmlinkage long sys_pipe2(int __user *fildes, int flags);
440asmlinkage long sys_quotactl(unsigned int cmd, const char __user *special,
441 qid_t id, void __user *addr);
442asmlinkage long sys_quotactl_fd(unsigned int fd, unsigned int cmd, qid_t id,
443 void __user *addr);
444asmlinkage long sys_getdents64(unsigned int fd,
445 struct linux_dirent64 __user *dirent,
446 unsigned int count);
447asmlinkage long sys_llseek(unsigned int fd, unsigned long offset_high,
448 unsigned long offset_low, loff_t __user *result,
449 unsigned int whence);
450asmlinkage long sys_lseek(unsigned int fd, off_t offset,
451 unsigned int whence);
452asmlinkage long sys_read(unsigned int fd, char __user *buf, size_t count);
453asmlinkage long sys_write(unsigned int fd, const char __user *buf,
454 size_t count);
455asmlinkage long sys_readv(unsigned long fd,
456 const struct iovec __user *vec,
457 unsigned long vlen);
458asmlinkage long sys_writev(unsigned long fd,
459 const struct iovec __user *vec,
460 unsigned long vlen);
461asmlinkage long sys_pread64(unsigned int fd, char __user *buf,
462 size_t count, loff_t pos);
463asmlinkage long sys_pwrite64(unsigned int fd, const char __user *buf,
464 size_t count, loff_t pos);
465asmlinkage long sys_preadv(unsigned long fd, const struct iovec __user *vec,
466 unsigned long vlen, unsigned long pos_l, unsigned long pos_h);
467asmlinkage long sys_pwritev(unsigned long fd, const struct iovec __user *vec,
468 unsigned long vlen, unsigned long pos_l, unsigned long pos_h);
469asmlinkage long sys_sendfile64(int out_fd, int in_fd,
470 loff_t __user *offset, size_t count);
471asmlinkage long sys_pselect6(int, fd_set __user *, fd_set __user *,
472 fd_set __user *, struct __kernel_timespec __user *,
473 void __user *);
474asmlinkage long sys_pselect6_time32(int, fd_set __user *, fd_set __user *,
475 fd_set __user *, struct old_timespec32 __user *,
476 void __user *);
477asmlinkage long sys_ppoll(struct pollfd __user *, unsigned int,
478 struct __kernel_timespec __user *, const sigset_t __user *,
479 size_t);
480asmlinkage long sys_ppoll_time32(struct pollfd __user *, unsigned int,
481 struct old_timespec32 __user *, const sigset_t __user *,
482 size_t);
483asmlinkage long sys_signalfd4(int ufd, sigset_t __user *user_mask, size_t sizemask, int flags);
484asmlinkage long sys_vmsplice(int fd, const struct iovec __user *iov,
485 unsigned long nr_segs, unsigned int flags);
486asmlinkage long sys_splice(int fd_in, loff_t __user *off_in,
487 int fd_out, loff_t __user *off_out,
488 size_t len, unsigned int flags);
489asmlinkage long sys_tee(int fdin, int fdout, size_t len, unsigned int flags);
490asmlinkage long sys_readlinkat(int dfd, const char __user *path, char __user *buf,
491 int bufsiz);
492asmlinkage long sys_newfstatat(int dfd, const char __user *filename,
493 struct stat __user *statbuf, int flag);
494asmlinkage long sys_newfstat(unsigned int fd, struct stat __user *statbuf);
495#if defined(__ARCH_WANT_STAT64) || defined(__ARCH_WANT_COMPAT_STAT64)
496asmlinkage long sys_fstat64(unsigned long fd, struct stat64 __user *statbuf);
497asmlinkage long sys_fstatat64(int dfd, const char __user *filename,
498 struct stat64 __user *statbuf, int flag);
499#endif
500asmlinkage long sys_sync(void);
501asmlinkage long sys_fsync(unsigned int fd);
502asmlinkage long sys_fdatasync(unsigned int fd);
503asmlinkage long sys_sync_file_range2(int fd, unsigned int flags,
504 loff_t offset, loff_t nbytes);
505asmlinkage long sys_sync_file_range(int fd, loff_t offset, loff_t nbytes,
506 unsigned int flags);
507asmlinkage long sys_timerfd_create(int clockid, int flags);
508asmlinkage long sys_timerfd_settime(int ufd, int flags,
509 const struct __kernel_itimerspec __user *utmr,
510 struct __kernel_itimerspec __user *otmr);
511asmlinkage long sys_timerfd_gettime(int ufd, struct __kernel_itimerspec __user *otmr);
512asmlinkage long sys_timerfd_gettime32(int ufd,
513 struct old_itimerspec32 __user *otmr);
514asmlinkage long sys_timerfd_settime32(int ufd, int flags,
515 const struct old_itimerspec32 __user *utmr,
516 struct old_itimerspec32 __user *otmr);
517asmlinkage long sys_utimensat(int dfd, const char __user *filename,
518 struct __kernel_timespec __user *utimes,
519 int flags);
520asmlinkage long sys_utimensat_time32(unsigned int dfd,
521 const char __user *filename,
522 struct old_timespec32 __user *t, int flags);
523asmlinkage long sys_acct(const char __user *name);
524asmlinkage long sys_capget(cap_user_header_t header,
525 cap_user_data_t dataptr);
526asmlinkage long sys_capset(cap_user_header_t header,
527 const cap_user_data_t data);
528asmlinkage long sys_personality(unsigned int personality);
529asmlinkage long sys_exit(int error_code);
530asmlinkage long sys_exit_group(int error_code);
531asmlinkage long sys_waitid(int which, pid_t pid,
532 struct siginfo __user *infop,
533 int options, struct rusage __user *ru);
534asmlinkage long sys_set_tid_address(int __user *tidptr);
535asmlinkage long sys_unshare(unsigned long unshare_flags);
536asmlinkage long sys_futex(u32 __user *uaddr, int op, u32 val,
537 const struct __kernel_timespec __user *utime,
538 u32 __user *uaddr2, u32 val3);
539asmlinkage long sys_futex_time32(u32 __user *uaddr, int op, u32 val,
540 const struct old_timespec32 __user *utime,
541 u32 __user *uaddr2, u32 val3);
542asmlinkage long sys_get_robust_list(int pid,
543 struct robust_list_head __user * __user *head_ptr,
544 size_t __user *len_ptr);
545asmlinkage long sys_set_robust_list(struct robust_list_head __user *head,
546 size_t len);
547
548asmlinkage long sys_futex_waitv(struct futex_waitv *waiters,
549 unsigned int nr_futexes, unsigned int flags,
550 struct __kernel_timespec __user *timeout, clockid_t clockid);
551
552asmlinkage long sys_futex_wake(void __user *uaddr, unsigned long mask, int nr, unsigned int flags);
553
554asmlinkage long sys_futex_wait(void __user *uaddr, unsigned long val, unsigned long mask,
555 unsigned int flags, struct __kernel_timespec __user *timespec,
556 clockid_t clockid);
557
558asmlinkage long sys_futex_requeue(struct futex_waitv __user *waiters,
559 unsigned int flags, int nr_wake, int nr_requeue);
560
561asmlinkage long sys_nanosleep(struct __kernel_timespec __user *rqtp,
562 struct __kernel_timespec __user *rmtp);
563asmlinkage long sys_nanosleep_time32(struct old_timespec32 __user *rqtp,
564 struct old_timespec32 __user *rmtp);
565asmlinkage long sys_getitimer(int which, struct __kernel_old_itimerval __user *value);
566asmlinkage long sys_setitimer(int which,
567 struct __kernel_old_itimerval __user *value,
568 struct __kernel_old_itimerval __user *ovalue);
569asmlinkage long sys_kexec_load(unsigned long entry, unsigned long nr_segments,
570 struct kexec_segment __user *segments,
571 unsigned long flags);
572asmlinkage long sys_init_module(void __user *umod, unsigned long len,
573 const char __user *uargs);
574asmlinkage long sys_delete_module(const char __user *name_user,
575 unsigned int flags);
576asmlinkage long sys_timer_create(clockid_t which_clock,
577 struct sigevent __user *timer_event_spec,
578 timer_t __user * created_timer_id);
579asmlinkage long sys_timer_gettime(timer_t timer_id,
580 struct __kernel_itimerspec __user *setting);
581asmlinkage long sys_timer_getoverrun(timer_t timer_id);
582asmlinkage long sys_timer_settime(timer_t timer_id, int flags,
583 const struct __kernel_itimerspec __user *new_setting,
584 struct __kernel_itimerspec __user *old_setting);
585asmlinkage long sys_timer_delete(timer_t timer_id);
586asmlinkage long sys_clock_settime(clockid_t which_clock,
587 const struct __kernel_timespec __user *tp);
588asmlinkage long sys_clock_gettime(clockid_t which_clock,
589 struct __kernel_timespec __user *tp);
590asmlinkage long sys_clock_getres(clockid_t which_clock,
591 struct __kernel_timespec __user *tp);
592asmlinkage long sys_clock_nanosleep(clockid_t which_clock, int flags,
593 const struct __kernel_timespec __user *rqtp,
594 struct __kernel_timespec __user *rmtp);
595asmlinkage long sys_timer_gettime32(timer_t timer_id,
596 struct old_itimerspec32 __user *setting);
597asmlinkage long sys_timer_settime32(timer_t timer_id, int flags,
598 struct old_itimerspec32 __user *new,
599 struct old_itimerspec32 __user *old);
600asmlinkage long sys_clock_settime32(clockid_t which_clock,
601 struct old_timespec32 __user *tp);
602asmlinkage long sys_clock_gettime32(clockid_t which_clock,
603 struct old_timespec32 __user *tp);
604asmlinkage long sys_clock_getres_time32(clockid_t which_clock,
605 struct old_timespec32 __user *tp);
606asmlinkage long sys_clock_nanosleep_time32(clockid_t which_clock, int flags,
607 struct old_timespec32 __user *rqtp,
608 struct old_timespec32 __user *rmtp);
609asmlinkage long sys_syslog(int type, char __user *buf, int len);
610asmlinkage long sys_ptrace(long request, long pid, unsigned long addr,
611 unsigned long data);
612asmlinkage long sys_sched_setparam(pid_t pid,
613 struct sched_param __user *param);
614asmlinkage long sys_sched_setscheduler(pid_t pid, int policy,
615 struct sched_param __user *param);
616asmlinkage long sys_sched_getscheduler(pid_t pid);
617asmlinkage long sys_sched_getparam(pid_t pid,
618 struct sched_param __user *param);
619asmlinkage long sys_sched_setaffinity(pid_t pid, unsigned int len,
620 unsigned long __user *user_mask_ptr);
621asmlinkage long sys_sched_getaffinity(pid_t pid, unsigned int len,
622 unsigned long __user *user_mask_ptr);
623asmlinkage long sys_sched_yield(void);
624asmlinkage long sys_sched_get_priority_max(int policy);
625asmlinkage long sys_sched_get_priority_min(int policy);
626asmlinkage long sys_sched_rr_get_interval(pid_t pid,
627 struct __kernel_timespec __user *interval);
628asmlinkage long sys_sched_rr_get_interval_time32(pid_t pid,
629 struct old_timespec32 __user *interval);
630asmlinkage long sys_restart_syscall(void);
631asmlinkage long sys_kill(pid_t pid, int sig);
632asmlinkage long sys_tkill(pid_t pid, int sig);
633asmlinkage long sys_tgkill(pid_t tgid, pid_t pid, int sig);
634asmlinkage long sys_sigaltstack(const struct sigaltstack __user *uss,
635 struct sigaltstack __user *uoss);
636asmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize);
637#ifndef CONFIG_ODD_RT_SIGACTION
638asmlinkage long sys_rt_sigaction(int,
639 const struct sigaction __user *,
640 struct sigaction __user *,
641 size_t);
642#endif
643asmlinkage long sys_rt_sigprocmask(int how, sigset_t __user *set,
644 sigset_t __user *oset, size_t sigsetsize);
645asmlinkage long sys_rt_sigpending(sigset_t __user *set, size_t sigsetsize);
646asmlinkage long sys_rt_sigtimedwait(const sigset_t __user *uthese,
647 siginfo_t __user *uinfo,
648 const struct __kernel_timespec __user *uts,
649 size_t sigsetsize);
650asmlinkage long sys_rt_sigtimedwait_time32(const sigset_t __user *uthese,
651 siginfo_t __user *uinfo,
652 const struct old_timespec32 __user *uts,
653 size_t sigsetsize);
654asmlinkage long sys_rt_sigqueueinfo(pid_t pid, int sig, siginfo_t __user *uinfo);
655asmlinkage long sys_setpriority(int which, int who, int niceval);
656asmlinkage long sys_getpriority(int which, int who);
657asmlinkage long sys_reboot(int magic1, int magic2, unsigned int cmd,
658 void __user *arg);
659asmlinkage long sys_setregid(gid_t rgid, gid_t egid);
660asmlinkage long sys_setgid(gid_t gid);
661asmlinkage long sys_setreuid(uid_t ruid, uid_t euid);
662asmlinkage long sys_setuid(uid_t uid);
663asmlinkage long sys_setresuid(uid_t ruid, uid_t euid, uid_t suid);
664asmlinkage long sys_getresuid(uid_t __user *ruid, uid_t __user *euid, uid_t __user *suid);
665asmlinkage long sys_setresgid(gid_t rgid, gid_t egid, gid_t sgid);
666asmlinkage long sys_getresgid(gid_t __user *rgid, gid_t __user *egid, gid_t __user *sgid);
667asmlinkage long sys_setfsuid(uid_t uid);
668asmlinkage long sys_setfsgid(gid_t gid);
669asmlinkage long sys_times(struct tms __user *tbuf);
670asmlinkage long sys_setpgid(pid_t pid, pid_t pgid);
671asmlinkage long sys_getpgid(pid_t pid);
672asmlinkage long sys_getsid(pid_t pid);
673asmlinkage long sys_setsid(void);
674asmlinkage long sys_getgroups(int gidsetsize, gid_t __user *grouplist);
675asmlinkage long sys_setgroups(int gidsetsize, gid_t __user *grouplist);
676asmlinkage long sys_newuname(struct new_utsname __user *name);
677asmlinkage long sys_sethostname(char __user *name, int len);
678asmlinkage long sys_setdomainname(char __user *name, int len);
679asmlinkage long sys_getrlimit(unsigned int resource,
680 struct rlimit __user *rlim);
681asmlinkage long sys_setrlimit(unsigned int resource,
682 struct rlimit __user *rlim);
683asmlinkage long sys_getrusage(int who, struct rusage __user *ru);
684asmlinkage long sys_umask(int mask);
685asmlinkage long sys_prctl(int option, unsigned long arg2, unsigned long arg3,
686 unsigned long arg4, unsigned long arg5);
687asmlinkage long sys_getcpu(unsigned __user *cpu, unsigned __user *node, struct getcpu_cache __user *cache);
688asmlinkage long sys_gettimeofday(struct __kernel_old_timeval __user *tv,
689 struct timezone __user *tz);
690asmlinkage long sys_settimeofday(struct __kernel_old_timeval __user *tv,
691 struct timezone __user *tz);
692asmlinkage long sys_adjtimex(struct __kernel_timex __user *txc_p);
693asmlinkage long sys_adjtimex_time32(struct old_timex32 __user *txc_p);
694asmlinkage long sys_getpid(void);
695asmlinkage long sys_getppid(void);
696asmlinkage long sys_getuid(void);
697asmlinkage long sys_geteuid(void);
698asmlinkage long sys_getgid(void);
699asmlinkage long sys_getegid(void);
700asmlinkage long sys_gettid(void);
701asmlinkage long sys_sysinfo(struct sysinfo __user *info);
702asmlinkage long sys_mq_open(const char __user *name, int oflag, umode_t mode, struct mq_attr __user *attr);
703asmlinkage long sys_mq_unlink(const char __user *name);
704asmlinkage 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);
705asmlinkage 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);
706asmlinkage long sys_mq_notify(mqd_t mqdes, const struct sigevent __user *notification);
707asmlinkage long sys_mq_getsetattr(mqd_t mqdes, const struct mq_attr __user *mqstat, struct mq_attr __user *omqstat);
708asmlinkage long sys_mq_timedreceive_time32(mqd_t mqdes,
709 char __user *u_msg_ptr,
710 unsigned int msg_len, unsigned int __user *u_msg_prio,
711 const struct old_timespec32 __user *u_abs_timeout);
712asmlinkage long sys_mq_timedsend_time32(mqd_t mqdes,
713 const char __user *u_msg_ptr,
714 unsigned int msg_len, unsigned int msg_prio,
715 const struct old_timespec32 __user *u_abs_timeout);
716asmlinkage long sys_msgget(key_t key, int msgflg);
717asmlinkage long sys_old_msgctl(int msqid, int cmd, struct msqid_ds __user *buf);
718asmlinkage long sys_msgctl(int msqid, int cmd, struct msqid_ds __user *buf);
719asmlinkage long sys_msgrcv(int msqid, struct msgbuf __user *msgp,
720 size_t msgsz, long msgtyp, int msgflg);
721asmlinkage long sys_msgsnd(int msqid, struct msgbuf __user *msgp,
722 size_t msgsz, int msgflg);
723asmlinkage long sys_semget(key_t key, int nsems, int semflg);
724asmlinkage long sys_semctl(int semid, int semnum, int cmd, unsigned long arg);
725asmlinkage long sys_old_semctl(int semid, int semnum, int cmd, unsigned long arg);
726asmlinkage long sys_semtimedop(int semid, struct sembuf __user *sops,
727 unsigned nsops,
728 const struct __kernel_timespec __user *timeout);
729asmlinkage long sys_semtimedop_time32(int semid, struct sembuf __user *sops,
730 unsigned nsops,
731 const struct old_timespec32 __user *timeout);
732asmlinkage long sys_semop(int semid, struct sembuf __user *sops,
733 unsigned nsops);
734asmlinkage long sys_shmget(key_t key, size_t size, int flag);
735asmlinkage long sys_old_shmctl(int shmid, int cmd, struct shmid_ds __user *buf);
736asmlinkage long sys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf);
737asmlinkage long sys_shmat(int shmid, char __user *shmaddr, int shmflg);
738asmlinkage long sys_shmdt(char __user *shmaddr);
739asmlinkage long sys_socket(int, int, int);
740asmlinkage long sys_socketpair(int, int, int, int __user *);
741asmlinkage long sys_bind(int, struct sockaddr __user *, int);
742asmlinkage long sys_listen(int, int);
743asmlinkage long sys_accept(int, struct sockaddr __user *, int __user *);
744asmlinkage long sys_connect(int, struct sockaddr __user *, int);
745asmlinkage long sys_getsockname(int, struct sockaddr __user *, int __user *);
746asmlinkage long sys_getpeername(int, struct sockaddr __user *, int __user *);
747asmlinkage long sys_sendto(int, void __user *, size_t, unsigned,
748 struct sockaddr __user *, int);
749asmlinkage long sys_recvfrom(int, void __user *, size_t, unsigned,
750 struct sockaddr __user *, int __user *);
751asmlinkage long sys_setsockopt(int fd, int level, int optname,
752 char __user *optval, int optlen);
753asmlinkage long sys_getsockopt(int fd, int level, int optname,
754 char __user *optval, int __user *optlen);
755asmlinkage long sys_shutdown(int, int);
756asmlinkage long sys_sendmsg(int fd, struct user_msghdr __user *msg, unsigned flags);
757asmlinkage long sys_recvmsg(int fd, struct user_msghdr __user *msg, unsigned flags);
758asmlinkage long sys_readahead(int fd, loff_t offset, size_t count);
759asmlinkage long sys_brk(unsigned long brk);
760asmlinkage long sys_munmap(unsigned long addr, size_t len);
761asmlinkage long sys_mremap(unsigned long addr,
762 unsigned long old_len, unsigned long new_len,
763 unsigned long flags, unsigned long new_addr);
764asmlinkage long sys_add_key(const char __user *_type,
765 const char __user *_description,
766 const void __user *_payload,
767 size_t plen,
768 key_serial_t destringid);
769asmlinkage long sys_request_key(const char __user *_type,
770 const char __user *_description,
771 const char __user *_callout_info,
772 key_serial_t destringid);
773asmlinkage long sys_keyctl(int cmd, unsigned long arg2, unsigned long arg3,
774 unsigned long arg4, unsigned long arg5);
775#ifdef CONFIG_CLONE_BACKWARDS
776asmlinkage long sys_clone(unsigned long, unsigned long, int __user *, unsigned long,
777 int __user *);
778#else
779#ifdef CONFIG_CLONE_BACKWARDS3
780asmlinkage long sys_clone(unsigned long, unsigned long, int, int __user *,
781 int __user *, unsigned long);
782#else
783asmlinkage long sys_clone(unsigned long, unsigned long, int __user *,
784 int __user *, unsigned long);
785#endif
786#endif
787
788asmlinkage long sys_clone3(struct clone_args __user *uargs, size_t size);
789
790asmlinkage long sys_execve(const char __user *filename,
791 const char __user *const __user *argv,
792 const char __user *const __user *envp);
793asmlinkage long sys_fadvise64_64(int fd, loff_t offset, loff_t len, int advice);
794
795/* CONFIG_MMU only */
796asmlinkage long sys_swapon(const char __user *specialfile, int swap_flags);
797asmlinkage long sys_swapoff(const char __user *specialfile);
798asmlinkage long sys_mprotect(unsigned long start, size_t len,
799 unsigned long prot);
800asmlinkage long sys_msync(unsigned long start, size_t len, int flags);
801asmlinkage long sys_mlock(unsigned long start, size_t len);
802asmlinkage long sys_munlock(unsigned long start, size_t len);
803asmlinkage long sys_mlockall(int flags);
804asmlinkage long sys_munlockall(void);
805asmlinkage long sys_mincore(unsigned long start, size_t len,
806 unsigned char __user * vec);
807asmlinkage long sys_madvise(unsigned long start, size_t len, int behavior);
808asmlinkage long sys_process_madvise(int pidfd, const struct iovec __user *vec,
809 size_t vlen, int behavior, unsigned int flags);
810asmlinkage long sys_process_mrelease(int pidfd, unsigned int flags);
811asmlinkage long sys_remap_file_pages(unsigned long start, unsigned long size,
812 unsigned long prot, unsigned long pgoff,
813 unsigned long flags);
814asmlinkage long sys_mbind(unsigned long start, unsigned long len,
815 unsigned long mode,
816 const unsigned long __user *nmask,
817 unsigned long maxnode,
818 unsigned flags);
819asmlinkage long sys_get_mempolicy(int __user *policy,
820 unsigned long __user *nmask,
821 unsigned long maxnode,
822 unsigned long addr, unsigned long flags);
823asmlinkage long sys_set_mempolicy(int mode, const unsigned long __user *nmask,
824 unsigned long maxnode);
825asmlinkage long sys_migrate_pages(pid_t pid, unsigned long maxnode,
826 const unsigned long __user *from,
827 const unsigned long __user *to);
828asmlinkage long sys_move_pages(pid_t pid, unsigned long nr_pages,
829 const void __user * __user *pages,
830 const int __user *nodes,
831 int __user *status,
832 int flags);
833asmlinkage long sys_rt_tgsigqueueinfo(pid_t tgid, pid_t pid, int sig,
834 siginfo_t __user *uinfo);
835asmlinkage long sys_perf_event_open(
836 struct perf_event_attr __user *attr_uptr,
837 pid_t pid, int cpu, int group_fd, unsigned long flags);
838asmlinkage long sys_accept4(int, struct sockaddr __user *, int __user *, int);
839asmlinkage long sys_recvmmsg(int fd, struct mmsghdr __user *msg,
840 unsigned int vlen, unsigned flags,
841 struct __kernel_timespec __user *timeout);
842asmlinkage long sys_recvmmsg_time32(int fd, struct mmsghdr __user *msg,
843 unsigned int vlen, unsigned flags,
844 struct old_timespec32 __user *timeout);
845asmlinkage long sys_wait4(pid_t pid, int __user *stat_addr,
846 int options, struct rusage __user *ru);
847asmlinkage long sys_prlimit64(pid_t pid, unsigned int resource,
848 const struct rlimit64 __user *new_rlim,
849 struct rlimit64 __user *old_rlim);
850asmlinkage long sys_fanotify_init(unsigned int flags, unsigned int event_f_flags);
851asmlinkage long sys_fanotify_mark(int fanotify_fd, unsigned int flags,
852 u64 mask, int fd,
853 const char __user *pathname);
854asmlinkage long sys_name_to_handle_at(int dfd, const char __user *name,
855 struct file_handle __user *handle,
856 int __user *mnt_id, int flag);
857asmlinkage long sys_open_by_handle_at(int mountdirfd,
858 struct file_handle __user *handle,
859 int flags);
860asmlinkage long sys_clock_adjtime(clockid_t which_clock,
861 struct __kernel_timex __user *tx);
862asmlinkage long sys_clock_adjtime32(clockid_t which_clock,
863 struct old_timex32 __user *tx);
864asmlinkage long sys_syncfs(int fd);
865asmlinkage long sys_setns(int fd, int nstype);
866asmlinkage long sys_pidfd_open(pid_t pid, unsigned int flags);
867asmlinkage long sys_sendmmsg(int fd, struct mmsghdr __user *msg,
868 unsigned int vlen, unsigned flags);
869asmlinkage long sys_process_vm_readv(pid_t pid,
870 const struct iovec __user *lvec,
871 unsigned long liovcnt,
872 const struct iovec __user *rvec,
873 unsigned long riovcnt,
874 unsigned long flags);
875asmlinkage long sys_process_vm_writev(pid_t pid,
876 const struct iovec __user *lvec,
877 unsigned long liovcnt,
878 const struct iovec __user *rvec,
879 unsigned long riovcnt,
880 unsigned long flags);
881asmlinkage long sys_kcmp(pid_t pid1, pid_t pid2, int type,
882 unsigned long idx1, unsigned long idx2);
883asmlinkage long sys_finit_module(int fd, const char __user *uargs, int flags);
884asmlinkage long sys_sched_setattr(pid_t pid,
885 struct sched_attr __user *attr,
886 unsigned int flags);
887asmlinkage long sys_sched_getattr(pid_t pid,
888 struct sched_attr __user *attr,
889 unsigned int size,
890 unsigned int flags);
891asmlinkage long sys_renameat2(int olddfd, const char __user *oldname,
892 int newdfd, const char __user *newname,
893 unsigned int flags);
894asmlinkage long sys_seccomp(unsigned int op, unsigned int flags,
895 void __user *uargs);
896asmlinkage long sys_getrandom(char __user *buf, size_t count,
897 unsigned int flags);
898asmlinkage long sys_memfd_create(const char __user *uname_ptr, unsigned int flags);
899asmlinkage long sys_bpf(int cmd, union bpf_attr *attr, unsigned int size);
900asmlinkage long sys_execveat(int dfd, const char __user *filename,
901 const char __user *const __user *argv,
902 const char __user *const __user *envp, int flags);
903asmlinkage long sys_userfaultfd(int flags);
904asmlinkage long sys_membarrier(int cmd, unsigned int flags, int cpu_id);
905asmlinkage long sys_mlock2(unsigned long start, size_t len, int flags);
906asmlinkage long sys_copy_file_range(int fd_in, loff_t __user *off_in,
907 int fd_out, loff_t __user *off_out,
908 size_t len, unsigned int flags);
909asmlinkage long sys_preadv2(unsigned long fd, const struct iovec __user *vec,
910 unsigned long vlen, unsigned long pos_l, unsigned long pos_h,
911 rwf_t flags);
912asmlinkage long sys_pwritev2(unsigned long fd, const struct iovec __user *vec,
913 unsigned long vlen, unsigned long pos_l, unsigned long pos_h,
914 rwf_t flags);
915asmlinkage long sys_pkey_mprotect(unsigned long start, size_t len,
916 unsigned long prot, int pkey);
917asmlinkage long sys_pkey_alloc(unsigned long flags, unsigned long init_val);
918asmlinkage long sys_pkey_free(int pkey);
919asmlinkage long sys_statx(int dfd, const char __user *path, unsigned flags,
920 unsigned mask, struct statx __user *buffer);
921asmlinkage long sys_rseq(struct rseq __user *rseq, uint32_t rseq_len,
922 int flags, uint32_t sig);
923asmlinkage long sys_open_tree(int dfd, const char __user *path, unsigned flags);
924asmlinkage long sys_move_mount(int from_dfd, const char __user *from_path,
925 int to_dfd, const char __user *to_path,
926 unsigned int ms_flags);
927asmlinkage long sys_mount_setattr(int dfd, const char __user *path,
928 unsigned int flags,
929 struct mount_attr __user *uattr, size_t usize);
930asmlinkage long sys_fsopen(const char __user *fs_name, unsigned int flags);
931asmlinkage long sys_fsconfig(int fs_fd, unsigned int cmd, const char __user *key,
932 const void __user *value, int aux);
933asmlinkage long sys_fsmount(int fs_fd, unsigned int flags, unsigned int ms_flags);
934asmlinkage long sys_fspick(int dfd, const char __user *path, unsigned int flags);
935asmlinkage long sys_pidfd_send_signal(int pidfd, int sig,
936 siginfo_t __user *info,
937 unsigned int flags);
938asmlinkage long sys_pidfd_getfd(int pidfd, int fd, unsigned int flags);
939asmlinkage long sys_landlock_create_ruleset(const struct landlock_ruleset_attr __user *attr,
940 size_t size, __u32 flags);
941asmlinkage long sys_landlock_add_rule(int ruleset_fd, enum landlock_rule_type rule_type,
942 const void __user *rule_attr, __u32 flags);
943asmlinkage long sys_landlock_restrict_self(int ruleset_fd, __u32 flags);
944asmlinkage long sys_memfd_secret(unsigned int flags);
945asmlinkage long sys_set_mempolicy_home_node(unsigned long start, unsigned long len,
946 unsigned long home_node,
947 unsigned long flags);
948asmlinkage long sys_cachestat(unsigned int fd,
949 struct cachestat_range __user *cstat_range,
950 struct cachestat __user *cstat, unsigned int flags);
951asmlinkage long sys_map_shadow_stack(unsigned long addr, unsigned long size, unsigned int flags);
952
953/*
954 * Architecture-specific system calls
955 */
956
957/* x86 */
958asmlinkage long sys_ioperm(unsigned long from, unsigned long num, int on);
959
960/* pciconfig: alpha, arm, arm64, ia64, sparc */
961asmlinkage long sys_pciconfig_read(unsigned long bus, unsigned long dfn,
962 unsigned long off, unsigned long len,
963 void __user *buf);
964asmlinkage long sys_pciconfig_write(unsigned long bus, unsigned long dfn,
965 unsigned long off, unsigned long len,
966 void __user *buf);
967asmlinkage long sys_pciconfig_iobase(long which, unsigned long bus, unsigned long devfn);
968
969/* powerpc */
970asmlinkage long sys_spu_run(int fd, __u32 __user *unpc,
971 __u32 __user *ustatus);
972asmlinkage long sys_spu_create(const char __user *name,
973 unsigned int flags, umode_t mode, int fd);
974
975
976/*
977 * Deprecated system calls which are still defined in
978 * include/uapi/asm-generic/unistd.h and wanted by >= 1 arch
979 */
980
981/* __ARCH_WANT_SYSCALL_NO_AT */
982asmlinkage long sys_open(const char __user *filename,
983 int flags, umode_t mode);
984asmlinkage long sys_link(const char __user *oldname,
985 const char __user *newname);
986asmlinkage long sys_unlink(const char __user *pathname);
987asmlinkage long sys_mknod(const char __user *filename, umode_t mode,
988 unsigned dev);
989asmlinkage long sys_chmod(const char __user *filename, umode_t mode);
990asmlinkage long sys_chown(const char __user *filename,
991 uid_t user, gid_t group);
992asmlinkage long sys_mkdir(const char __user *pathname, umode_t mode);
993asmlinkage long sys_rmdir(const char __user *pathname);
994asmlinkage long sys_lchown(const char __user *filename,
995 uid_t user, gid_t group);
996asmlinkage long sys_access(const char __user *filename, int mode);
997asmlinkage long sys_rename(const char __user *oldname,
998 const char __user *newname);
999asmlinkage long sys_symlink(const char __user *old, const char __user *new);
1000#if defined(__ARCH_WANT_STAT64) || defined(__ARCH_WANT_COMPAT_STAT64)
1001asmlinkage long sys_stat64(const char __user *filename,
1002 struct stat64 __user *statbuf);
1003asmlinkage long sys_lstat64(const char __user *filename,
1004 struct stat64 __user *statbuf);
1005#endif
1006
1007/* __ARCH_WANT_SYSCALL_NO_FLAGS */
1008asmlinkage long sys_pipe(int __user *fildes);
1009asmlinkage long sys_dup2(unsigned int oldfd, unsigned int newfd);
1010asmlinkage long sys_epoll_create(int size);
1011asmlinkage long sys_inotify_init(void);
1012asmlinkage long sys_eventfd(unsigned int count);
1013asmlinkage long sys_signalfd(int ufd, sigset_t __user *user_mask, size_t sizemask);
1014
1015/* __ARCH_WANT_SYSCALL_OFF_T */
1016asmlinkage long sys_sendfile(int out_fd, int in_fd,
1017 off_t __user *offset, size_t count);
1018asmlinkage long sys_newstat(const char __user *filename,
1019 struct stat __user *statbuf);
1020asmlinkage long sys_newlstat(const char __user *filename,
1021 struct stat __user *statbuf);
1022asmlinkage long sys_fadvise64(int fd, loff_t offset, size_t len, int advice);
1023
1024/* __ARCH_WANT_SYSCALL_DEPRECATED */
1025asmlinkage long sys_alarm(unsigned int seconds);
1026asmlinkage long sys_getpgrp(void);
1027asmlinkage long sys_pause(void);
1028asmlinkage long sys_time(__kernel_old_time_t __user *tloc);
1029asmlinkage long sys_time32(old_time32_t __user *tloc);
1030#ifdef __ARCH_WANT_SYS_UTIME
1031asmlinkage long sys_utime(char __user *filename,
1032 struct utimbuf __user *times);
1033asmlinkage long sys_utimes(char __user *filename,
1034 struct __kernel_old_timeval __user *utimes);
1035asmlinkage long sys_futimesat(int dfd, const char __user *filename,
1036 struct __kernel_old_timeval __user *utimes);
1037#endif
1038asmlinkage long sys_futimesat_time32(unsigned int dfd,
1039 const char __user *filename,
1040 struct old_timeval32 __user *t);
1041asmlinkage long sys_utime32(const char __user *filename,
1042 struct old_utimbuf32 __user *t);
1043asmlinkage long sys_utimes_time32(const char __user *filename,
1044 struct old_timeval32 __user *t);
1045asmlinkage long sys_creat(const char __user *pathname, umode_t mode);
1046asmlinkage long sys_getdents(unsigned int fd,
1047 struct linux_dirent __user *dirent,
1048 unsigned int count);
1049asmlinkage long sys_select(int n, fd_set __user *inp, fd_set __user *outp,
1050 fd_set __user *exp, struct __kernel_old_timeval __user *tvp);
1051asmlinkage long sys_poll(struct pollfd __user *ufds, unsigned int nfds,
1052 int timeout);
1053asmlinkage long sys_epoll_wait(int epfd, struct epoll_event __user *events,
1054 int maxevents, int timeout);
1055asmlinkage long sys_ustat(unsigned dev, struct ustat __user *ubuf);
1056asmlinkage long sys_vfork(void);
1057asmlinkage long sys_recv(int, void __user *, size_t, unsigned);
1058asmlinkage long sys_send(int, void __user *, size_t, unsigned);
1059asmlinkage long sys_oldumount(char __user *name);
1060asmlinkage long sys_uselib(const char __user *library);
1061asmlinkage long sys_sysfs(int option,
1062 unsigned long arg1, unsigned long arg2);
1063asmlinkage long sys_fork(void);
1064
1065/* obsolete */
1066asmlinkage long sys_stime(__kernel_old_time_t __user *tptr);
1067asmlinkage long sys_stime32(old_time32_t __user *tptr);
1068
1069/* obsolete */
1070asmlinkage long sys_sigpending(old_sigset_t __user *uset);
1071asmlinkage long sys_sigprocmask(int how, old_sigset_t __user *set,
1072 old_sigset_t __user *oset);
1073#ifdef CONFIG_OLD_SIGSUSPEND
1074asmlinkage long sys_sigsuspend(old_sigset_t mask);
1075#endif
1076
1077#ifdef CONFIG_OLD_SIGSUSPEND3
1078asmlinkage long sys_sigsuspend(int unused1, int unused2, old_sigset_t mask);
1079#endif
1080
1081#ifdef CONFIG_OLD_SIGACTION
1082asmlinkage long sys_sigaction(int, const struct old_sigaction __user *,
1083 struct old_sigaction __user *);
1084#endif
1085asmlinkage long sys_sgetmask(void);
1086asmlinkage long sys_ssetmask(int newmask);
1087asmlinkage long sys_signal(int sig, __sighandler_t handler);
1088
1089/* obsolete */
1090asmlinkage long sys_nice(int increment);
1091
1092/* obsolete */
1093asmlinkage long sys_kexec_file_load(int kernel_fd, int initrd_fd,
1094 unsigned long cmdline_len,
1095 const char __user *cmdline_ptr,
1096 unsigned long flags);
1097
1098/* obsolete */
1099asmlinkage long sys_waitpid(pid_t pid, int __user *stat_addr, int options);
1100
1101/* obsolete */
1102#ifdef CONFIG_HAVE_UID16
1103asmlinkage long sys_chown16(const char __user *filename,
1104 old_uid_t user, old_gid_t group);
1105asmlinkage long sys_lchown16(const char __user *filename,
1106 old_uid_t user, old_gid_t group);
1107asmlinkage long sys_fchown16(unsigned int fd, old_uid_t user, old_gid_t group);
1108asmlinkage long sys_setregid16(old_gid_t rgid, old_gid_t egid);
1109asmlinkage long sys_setgid16(old_gid_t gid);
1110asmlinkage long sys_setreuid16(old_uid_t ruid, old_uid_t euid);
1111asmlinkage long sys_setuid16(old_uid_t uid);
1112asmlinkage long sys_setresuid16(old_uid_t ruid, old_uid_t euid, old_uid_t suid);
1113asmlinkage long sys_getresuid16(old_uid_t __user *ruid,
1114 old_uid_t __user *euid, old_uid_t __user *suid);
1115asmlinkage long sys_setresgid16(old_gid_t rgid, old_gid_t egid, old_gid_t sgid);
1116asmlinkage long sys_getresgid16(old_gid_t __user *rgid,
1117 old_gid_t __user *egid, old_gid_t __user *sgid);
1118asmlinkage long sys_setfsuid16(old_uid_t uid);
1119asmlinkage long sys_setfsgid16(old_gid_t gid);
1120asmlinkage long sys_getgroups16(int gidsetsize, old_gid_t __user *grouplist);
1121asmlinkage long sys_setgroups16(int gidsetsize, old_gid_t __user *grouplist);
1122asmlinkage long sys_getuid16(void);
1123asmlinkage long sys_geteuid16(void);
1124asmlinkage long sys_getgid16(void);
1125asmlinkage long sys_getegid16(void);
1126#endif
1127
1128/* obsolete */
1129asmlinkage long sys_socketcall(int call, unsigned long __user *args);
1130
1131/* obsolete */
1132asmlinkage long sys_stat(const char __user *filename,
1133 struct __old_kernel_stat __user *statbuf);
1134asmlinkage long sys_lstat(const char __user *filename,
1135 struct __old_kernel_stat __user *statbuf);
1136asmlinkage long sys_fstat(unsigned int fd,
1137 struct __old_kernel_stat __user *statbuf);
1138asmlinkage long sys_readlink(const char __user *path,
1139 char __user *buf, int bufsiz);
1140
1141/* obsolete */
1142asmlinkage long sys_old_select(struct sel_arg_struct __user *arg);
1143
1144/* obsolete */
1145asmlinkage long sys_old_readdir(unsigned int, struct old_linux_dirent __user *, unsigned int);
1146
1147/* obsolete */
1148asmlinkage long sys_gethostname(char __user *name, int len);
1149asmlinkage long sys_uname(struct old_utsname __user *);
1150asmlinkage long sys_olduname(struct oldold_utsname __user *);
1151#ifdef __ARCH_WANT_SYS_OLD_GETRLIMIT
1152asmlinkage long sys_old_getrlimit(unsigned int resource, struct rlimit __user *rlim);
1153#endif
1154
1155/* obsolete */
1156asmlinkage long sys_ipc(unsigned int call, int first, unsigned long second,
1157 unsigned long third, void __user *ptr, long fifth);
1158
1159/* obsolete */
1160asmlinkage long sys_mmap_pgoff(unsigned long addr, unsigned long len,
1161 unsigned long prot, unsigned long flags,
1162 unsigned long fd, unsigned long pgoff);
1163asmlinkage long sys_old_mmap(struct mmap_arg_struct __user *arg);
1164
1165
1166/*
1167 * Not a real system call, but a placeholder for syscalls which are
1168 * not implemented -- see kernel/sys_ni.c
1169 */
1170asmlinkage long sys_ni_syscall(void);
1171
1172#endif /* CONFIG_ARCH_HAS_SYSCALL_WRAPPER */
1173
1174asmlinkage long sys_ni_posix_timers(void);
1175
1176/*
1177 * Kernel code should not call syscalls (i.e., sys_xyzyyz()) directly.
1178 * Instead, use one of the functions which work equivalently, such as
1179 * the ksys_xyzyyz() functions prototyped below.
1180 */
1181ssize_t ksys_write(unsigned int fd, const char __user *buf, size_t count);
1182int ksys_fchown(unsigned int fd, uid_t user, gid_t group);
1183ssize_t ksys_read(unsigned int fd, char __user *buf, size_t count);
1184void ksys_sync(void);
1185int ksys_unshare(unsigned long unshare_flags);
1186int ksys_setsid(void);
1187int ksys_sync_file_range(int fd, loff_t offset, loff_t nbytes,
1188 unsigned int flags);
1189ssize_t ksys_pread64(unsigned int fd, char __user *buf, size_t count,
1190 loff_t pos);
1191ssize_t ksys_pwrite64(unsigned int fd, const char __user *buf,
1192 size_t count, loff_t pos);
1193int ksys_fallocate(int fd, int mode, loff_t offset, loff_t len);
1194#ifdef CONFIG_ADVISE_SYSCALLS
1195int ksys_fadvise64_64(int fd, loff_t offset, loff_t len, int advice);
1196#else
1197static inline int ksys_fadvise64_64(int fd, loff_t offset, loff_t len,
1198 int advice)
1199{
1200 return -EINVAL;
1201}
1202#endif
1203unsigned long ksys_mmap_pgoff(unsigned long addr, unsigned long len,
1204 unsigned long prot, unsigned long flags,
1205 unsigned long fd, unsigned long pgoff);
1206ssize_t ksys_readahead(int fd, loff_t offset, size_t count);
1207int ksys_ipc(unsigned int call, int first, unsigned long second,
1208 unsigned long third, void __user * ptr, long fifth);
1209int compat_ksys_ipc(u32 call, int first, int second,
1210 u32 third, u32 ptr, u32 fifth);
1211
1212/*
1213 * The following kernel syscall equivalents are just wrappers to fs-internal
1214 * functions. Therefore, provide stubs to be inlined at the callsites.
1215 */
1216extern int do_fchownat(int dfd, const char __user *filename, uid_t user,
1217 gid_t group, int flag);
1218
1219static inline long ksys_chown(const char __user *filename, uid_t user,
1220 gid_t group)
1221{
1222 return do_fchownat(AT_FDCWD, filename, user, group, 0);
1223}
1224
1225static inline long ksys_lchown(const char __user *filename, uid_t user,
1226 gid_t group)
1227{
1228 return do_fchownat(AT_FDCWD, filename, user, group,
1229 AT_SYMLINK_NOFOLLOW);
1230}
1231
1232extern long do_sys_ftruncate(unsigned int fd, loff_t length, int small);
1233
1234static inline long ksys_ftruncate(unsigned int fd, loff_t length)
1235{
1236 return do_sys_ftruncate(fd, length, 1);
1237}
1238
1239extern long do_sys_truncate(const char __user *pathname, loff_t length);
1240
1241static inline long ksys_truncate(const char __user *pathname, loff_t length)
1242{
1243 return do_sys_truncate(pathname, length);
1244}
1245
1246static inline unsigned int ksys_personality(unsigned int personality)
1247{
1248 unsigned int old = current->personality;
1249
1250 if (personality != 0xffffffff)
1251 set_personality(personality);
1252
1253 return old;
1254}
1255
1256/* for __ARCH_WANT_SYS_IPC */
1257long ksys_semtimedop(int semid, struct sembuf __user *tsops,
1258 unsigned int nsops,
1259 const struct __kernel_timespec __user *timeout);
1260long ksys_semget(key_t key, int nsems, int semflg);
1261long ksys_old_semctl(int semid, int semnum, int cmd, unsigned long arg);
1262long ksys_msgget(key_t key, int msgflg);
1263long ksys_old_msgctl(int msqid, int cmd, struct msqid_ds __user *buf);
1264long ksys_msgrcv(int msqid, struct msgbuf __user *msgp, size_t msgsz,
1265 long msgtyp, int msgflg);
1266long ksys_msgsnd(int msqid, struct msgbuf __user *msgp, size_t msgsz,
1267 int msgflg);
1268long ksys_shmget(key_t key, size_t size, int shmflg);
1269long ksys_shmdt(char __user *shmaddr);
1270long ksys_old_shmctl(int shmid, int cmd, struct shmid_ds __user *buf);
1271long compat_ksys_semtimedop(int semid, struct sembuf __user *tsems,
1272 unsigned int nsops,
1273 const struct old_timespec32 __user *timeout);
1274long __do_semtimedop(int semid, struct sembuf *tsems, unsigned int nsops,
1275 const struct timespec64 *timeout,
1276 struct ipc_namespace *ns);
1277
1278int __sys_getsockopt(int fd, int level, int optname, char __user *optval,
1279 int __user *optlen);
1280int __sys_setsockopt(int fd, int level, int optname, char __user *optval,
1281 int optlen);
1282#endif