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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;
74struct lsm_ctx;
75enum landlock_rule_type;
76struct cachestat_range;
77struct cachestat;
78struct statmount;
79struct mnt_id_req;
80struct xattr_args;
81struct file_attr;
82
83#include <linux/types.h>
84#include <linux/aio_abi.h>
85#include <linux/capability.h>
86#include <linux/signal.h>
87#include <linux/list.h>
88#include <linux/bug.h>
89#include <linux/sem.h>
90#include <asm/siginfo.h>
91#include <linux/unistd.h>
92#include <linux/quota.h>
93#include <linux/key.h>
94#include <linux/personality.h>
95#include <trace/syscall.h>
96
97#ifdef CONFIG_ARCH_HAS_SYSCALL_WRAPPER
98/*
99 * It may be useful for an architecture to override the definitions of the
100 * SYSCALL_DEFINE0() and __SYSCALL_DEFINEx() macros, in particular to use a
101 * different calling convention for syscalls. To allow for that, the prototypes
102 * for the sys_*() functions below will *not* be included if
103 * CONFIG_ARCH_HAS_SYSCALL_WRAPPER is enabled.
104 */
105#include <asm/syscall_wrapper.h>
106#endif /* CONFIG_ARCH_HAS_SYSCALL_WRAPPER */
107
108/*
109 * __MAP - apply a macro to syscall arguments
110 * __MAP(n, m, t1, a1, t2, a2, ..., tn, an) will expand to
111 * m(t1, a1), m(t2, a2), ..., m(tn, an)
112 * The first argument must be equal to the amount of type/name
113 * pairs given. Note that this list of pairs (i.e. the arguments
114 * of __MAP starting at the third one) is in the same format as
115 * for SYSCALL_DEFINE<n>/COMPAT_SYSCALL_DEFINE<n>
116 */
117#define __MAP0(m,...)
118#define __MAP1(m,t,a,...) m(t,a)
119#define __MAP2(m,t,a,...) m(t,a), __MAP1(m,__VA_ARGS__)
120#define __MAP3(m,t,a,...) m(t,a), __MAP2(m,__VA_ARGS__)
121#define __MAP4(m,t,a,...) m(t,a), __MAP3(m,__VA_ARGS__)
122#define __MAP5(m,t,a,...) m(t,a), __MAP4(m,__VA_ARGS__)
123#define __MAP6(m,t,a,...) m(t,a), __MAP5(m,__VA_ARGS__)
124#define __MAP(n,...) __MAP##n(__VA_ARGS__)
125
126#define __SC_DECL(t, a) t a
127#define __TYPE_AS(t, v) __same_type((__force t)0, v)
128#define __TYPE_IS_L(t) (__TYPE_AS(t, 0L))
129#define __TYPE_IS_UL(t) (__TYPE_AS(t, 0UL))
130#define __TYPE_IS_LL(t) (__TYPE_AS(t, 0LL) || __TYPE_AS(t, 0ULL))
131#define __SC_LONG(t, a) __typeof(__builtin_choose_expr(__TYPE_IS_LL(t), 0LL, 0L)) a
132#define __SC_CAST(t, a) (__force t) a
133#define __SC_TYPE(t, a) t
134#define __SC_ARGS(t, a) a
135#define __SC_TEST(t, a) (void)BUILD_BUG_ON_ZERO(!__TYPE_IS_LL(t) && sizeof(t) > sizeof(long))
136
137#ifdef CONFIG_FTRACE_SYSCALLS
138#define __SC_STR_ADECL(t, a) #a
139#define __SC_STR_TDECL(t, a) #t
140
141extern struct trace_event_class event_class_syscall_enter;
142extern struct trace_event_class event_class_syscall_exit;
143extern struct trace_event_functions enter_syscall_print_funcs;
144extern struct trace_event_functions exit_syscall_print_funcs;
145
146#define SYSCALL_TRACE_ENTER_EVENT(sname) \
147 static struct syscall_metadata __syscall_meta_##sname; \
148 static struct trace_event_call __used \
149 event_enter_##sname = { \
150 .class = &event_class_syscall_enter, \
151 { \
152 .name = "sys_enter"#sname, \
153 }, \
154 .event.funcs = &enter_syscall_print_funcs, \
155 .data = (void *)&__syscall_meta_##sname,\
156 .flags = TRACE_EVENT_FL_CAP_ANY, \
157 }; \
158 static struct trace_event_call __used \
159 __section("_ftrace_events") \
160 *__event_enter_##sname = &event_enter_##sname;
161
162#define SYSCALL_TRACE_EXIT_EVENT(sname) \
163 static struct syscall_metadata __syscall_meta_##sname; \
164 static struct trace_event_call __used \
165 event_exit_##sname = { \
166 .class = &event_class_syscall_exit, \
167 { \
168 .name = "sys_exit"#sname, \
169 }, \
170 .event.funcs = &exit_syscall_print_funcs, \
171 .data = (void *)&__syscall_meta_##sname,\
172 .flags = TRACE_EVENT_FL_CAP_ANY, \
173 }; \
174 static struct trace_event_call __used \
175 __section("_ftrace_events") \
176 *__event_exit_##sname = &event_exit_##sname;
177
178#define SYSCALL_METADATA(sname, nb, ...) \
179 static const char *types_##sname[] = { \
180 __MAP(nb,__SC_STR_TDECL,__VA_ARGS__) \
181 }; \
182 static const char *args_##sname[] = { \
183 __MAP(nb,__SC_STR_ADECL,__VA_ARGS__) \
184 }; \
185 SYSCALL_TRACE_ENTER_EVENT(sname); \
186 SYSCALL_TRACE_EXIT_EVENT(sname); \
187 static struct syscall_metadata __used \
188 __syscall_meta_##sname = { \
189 .name = "sys"#sname, \
190 .syscall_nr = -1, /* Filled in at boot */ \
191 .nb_args = nb, \
192 .types = nb ? types_##sname : NULL, \
193 .args = nb ? args_##sname : NULL, \
194 .enter_event = &event_enter_##sname, \
195 .exit_event = &event_exit_##sname, \
196 .enter_fields = LIST_HEAD_INIT(__syscall_meta_##sname.enter_fields), \
197 }; \
198 static struct syscall_metadata __used \
199 __section("__syscalls_metadata") \
200 *__p_syscall_meta_##sname = &__syscall_meta_##sname;
201
202static inline int is_syscall_trace_event(struct trace_event_call *tp_event)
203{
204 return tp_event->class == &event_class_syscall_enter ||
205 tp_event->class == &event_class_syscall_exit;
206}
207
208#else
209#define SYSCALL_METADATA(sname, nb, ...)
210
211static inline int is_syscall_trace_event(struct trace_event_call *tp_event)
212{
213 return 0;
214}
215#endif
216
217#ifndef SYSCALL_DEFINE0
218#define SYSCALL_DEFINE0(sname) \
219 SYSCALL_METADATA(_##sname, 0); \
220 asmlinkage long sys_##sname(void); \
221 ALLOW_ERROR_INJECTION(sys_##sname, ERRNO); \
222 asmlinkage long sys_##sname(void)
223#endif /* SYSCALL_DEFINE0 */
224
225#define SYSCALL_DEFINE1(name, ...) SYSCALL_DEFINEx(1, _##name, __VA_ARGS__)
226#define SYSCALL_DEFINE2(name, ...) SYSCALL_DEFINEx(2, _##name, __VA_ARGS__)
227#define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__)
228#define SYSCALL_DEFINE4(name, ...) SYSCALL_DEFINEx(4, _##name, __VA_ARGS__)
229#define SYSCALL_DEFINE5(name, ...) SYSCALL_DEFINEx(5, _##name, __VA_ARGS__)
230#define SYSCALL_DEFINE6(name, ...) SYSCALL_DEFINEx(6, _##name, __VA_ARGS__)
231
232#define SYSCALL_DEFINE_MAXARGS 6
233
234#define SYSCALL_DEFINEx(x, sname, ...) \
235 SYSCALL_METADATA(sname, x, __VA_ARGS__) \
236 __SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
237
238#define __PROTECT(...) asmlinkage_protect(__VA_ARGS__)
239
240/*
241 * The asmlinkage stub is aliased to a function named __se_sys_*() which
242 * sign-extends 32-bit ints to longs whenever needed. The actual work is
243 * done within __do_sys_*().
244 */
245#ifndef __SYSCALL_DEFINEx
246#define __SYSCALL_DEFINEx(x, name, ...) \
247 __diag_push(); \
248 __diag_ignore(GCC, 8, "-Wattribute-alias", \
249 "Type aliasing is used to sanitize syscall arguments");\
250 asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \
251 __attribute__((alias(__stringify(__se_sys##name)))); \
252 ALLOW_ERROR_INJECTION(sys##name, ERRNO); \
253 static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));\
254 asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \
255 asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
256 { \
257 long ret = __do_sys##name(__MAP(x,__SC_CAST,__VA_ARGS__));\
258 __MAP(x,__SC_TEST,__VA_ARGS__); \
259 __PROTECT(x, ret,__MAP(x,__SC_ARGS,__VA_ARGS__)); \
260 return ret; \
261 } \
262 __diag_pop(); \
263 static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))
264#endif /* __SYSCALL_DEFINEx */
265
266/* For split 64-bit arguments on 32-bit architectures */
267#ifdef __LITTLE_ENDIAN
268#define SC_ARG64(name) u32, name##_lo, u32, name##_hi
269#else
270#define SC_ARG64(name) u32, name##_hi, u32, name##_lo
271#endif
272#define SC_VAL64(type, name) ((type) name##_hi << 32 | name##_lo)
273
274#ifdef CONFIG_COMPAT
275#define SYSCALL32_DEFINE0 COMPAT_SYSCALL_DEFINE0
276#define SYSCALL32_DEFINE1 COMPAT_SYSCALL_DEFINE1
277#define SYSCALL32_DEFINE2 COMPAT_SYSCALL_DEFINE2
278#define SYSCALL32_DEFINE3 COMPAT_SYSCALL_DEFINE3
279#define SYSCALL32_DEFINE4 COMPAT_SYSCALL_DEFINE4
280#define SYSCALL32_DEFINE5 COMPAT_SYSCALL_DEFINE5
281#define SYSCALL32_DEFINE6 COMPAT_SYSCALL_DEFINE6
282#else
283#define SYSCALL32_DEFINE0 SYSCALL_DEFINE0
284#define SYSCALL32_DEFINE1 SYSCALL_DEFINE1
285#define SYSCALL32_DEFINE2 SYSCALL_DEFINE2
286#define SYSCALL32_DEFINE3 SYSCALL_DEFINE3
287#define SYSCALL32_DEFINE4 SYSCALL_DEFINE4
288#define SYSCALL32_DEFINE5 SYSCALL_DEFINE5
289#define SYSCALL32_DEFINE6 SYSCALL_DEFINE6
290#endif
291
292/*
293 * These syscall function prototypes are kept in the same order as
294 * include/uapi/asm-generic/unistd.h. Architecture specific entries go below,
295 * followed by deprecated or obsolete system calls.
296 *
297 * Please note that these prototypes here are only provided for information
298 * purposes, for static analysis, and for linking from the syscall table.
299 * These functions should not be called elsewhere from kernel code.
300 *
301 * As the syscall calling convention may be different from the default
302 * for architectures overriding the syscall calling convention, do not
303 * include the prototypes if CONFIG_ARCH_HAS_SYSCALL_WRAPPER is enabled.
304 */
305#ifndef CONFIG_ARCH_HAS_SYSCALL_WRAPPER
306asmlinkage long sys_io_setup(unsigned nr_reqs, aio_context_t __user *ctx);
307asmlinkage long sys_io_destroy(aio_context_t ctx);
308asmlinkage long sys_io_submit(aio_context_t, long,
309 struct iocb __user * __user *);
310asmlinkage long sys_io_cancel(aio_context_t ctx_id, struct iocb __user *iocb,
311 struct io_event __user *result);
312asmlinkage long sys_io_getevents(aio_context_t ctx_id,
313 long min_nr,
314 long nr,
315 struct io_event __user *events,
316 struct __kernel_timespec __user *timeout);
317asmlinkage long sys_io_getevents_time32(__u32 ctx_id,
318 __s32 min_nr,
319 __s32 nr,
320 struct io_event __user *events,
321 struct old_timespec32 __user *timeout);
322asmlinkage long sys_io_pgetevents(aio_context_t ctx_id,
323 long min_nr,
324 long nr,
325 struct io_event __user *events,
326 struct __kernel_timespec __user *timeout,
327 const struct __aio_sigset __user *sig);
328asmlinkage long sys_io_pgetevents_time32(aio_context_t ctx_id,
329 long min_nr,
330 long nr,
331 struct io_event __user *events,
332 struct old_timespec32 __user *timeout,
333 const struct __aio_sigset __user *sig);
334asmlinkage long sys_io_uring_setup(u32 entries,
335 struct io_uring_params __user *p);
336asmlinkage long sys_io_uring_enter(unsigned int fd, u32 to_submit,
337 u32 min_complete, u32 flags,
338 const void __user *argp, size_t argsz);
339asmlinkage long sys_io_uring_register(unsigned int fd, unsigned int op,
340 void __user *arg, unsigned int nr_args);
341asmlinkage long sys_setxattr(const char __user *path, const char __user *name,
342 const void __user *value, size_t size, int flags);
343asmlinkage long sys_setxattrat(int dfd, const char __user *path, unsigned int at_flags,
344 const char __user *name,
345 const struct xattr_args __user *args, size_t size);
346asmlinkage long sys_lsetxattr(const char __user *path, const char __user *name,
347 const void __user *value, size_t size, int flags);
348asmlinkage long sys_fsetxattr(int fd, const char __user *name,
349 const void __user *value, size_t size, int flags);
350asmlinkage long sys_getxattr(const char __user *path, const char __user *name,
351 void __user *value, size_t size);
352asmlinkage long sys_getxattrat(int dfd, const char __user *path, unsigned int at_flags,
353 const char __user *name,
354 struct xattr_args __user *args, size_t size);
355asmlinkage long sys_lgetxattr(const char __user *path, const char __user *name,
356 void __user *value, size_t size);
357asmlinkage long sys_fgetxattr(int fd, const char __user *name,
358 void __user *value, size_t size);
359asmlinkage long sys_listxattr(const char __user *path, char __user *list,
360 size_t size);
361asmlinkage long sys_listxattrat(int dfd, const char __user *path,
362 unsigned int at_flags,
363 char __user *list, size_t size);
364asmlinkage long sys_llistxattr(const char __user *path, char __user *list,
365 size_t size);
366asmlinkage long sys_flistxattr(int fd, char __user *list, size_t size);
367asmlinkage long sys_removexattr(const char __user *path,
368 const char __user *name);
369asmlinkage long sys_removexattrat(int dfd, const char __user *path,
370 unsigned int at_flags,
371 const char __user *name);
372asmlinkage long sys_lremovexattr(const char __user *path,
373 const char __user *name);
374asmlinkage long sys_fremovexattr(int fd, const char __user *name);
375asmlinkage long sys_file_getattr(int dfd, const char __user *filename,
376 struct file_attr __user *attr, size_t usize,
377 unsigned int at_flags);
378asmlinkage long sys_file_setattr(int dfd, const char __user *filename,
379 struct file_attr __user *attr, size_t usize,
380 unsigned int at_flags);
381asmlinkage long sys_getcwd(char __user *buf, unsigned long size);
382asmlinkage long sys_eventfd2(unsigned int count, int flags);
383asmlinkage long sys_epoll_create1(int flags);
384asmlinkage long sys_epoll_ctl(int epfd, int op, int fd,
385 struct epoll_event __user *event);
386asmlinkage long sys_epoll_pwait(int epfd, struct epoll_event __user *events,
387 int maxevents, int timeout,
388 const sigset_t __user *sigmask,
389 size_t sigsetsize);
390asmlinkage long sys_epoll_pwait2(int epfd, struct epoll_event __user *events,
391 int maxevents,
392 const struct __kernel_timespec __user *timeout,
393 const sigset_t __user *sigmask,
394 size_t sigsetsize);
395asmlinkage long sys_dup(unsigned int fildes);
396asmlinkage long sys_dup3(unsigned int oldfd, unsigned int newfd, int flags);
397asmlinkage long sys_fcntl(unsigned int fd, unsigned int cmd, unsigned long arg);
398#if BITS_PER_LONG == 32
399asmlinkage long sys_fcntl64(unsigned int fd,
400 unsigned int cmd, unsigned long arg);
401#endif
402asmlinkage long sys_inotify_init1(int flags);
403asmlinkage long sys_inotify_add_watch(int fd, const char __user *path,
404 u32 mask);
405asmlinkage long sys_inotify_rm_watch(int fd, __s32 wd);
406asmlinkage long sys_ioctl(unsigned int fd, unsigned int cmd,
407 unsigned long arg);
408asmlinkage long sys_ioprio_set(int which, int who, int ioprio);
409asmlinkage long sys_ioprio_get(int which, int who);
410asmlinkage long sys_flock(unsigned int fd, unsigned int cmd);
411asmlinkage long sys_mknodat(int dfd, const char __user * filename, umode_t mode,
412 unsigned dev);
413asmlinkage long sys_mkdirat(int dfd, const char __user * pathname, umode_t mode);
414asmlinkage long sys_unlinkat(int dfd, const char __user * pathname, int flag);
415asmlinkage long sys_symlinkat(const char __user * oldname,
416 int newdfd, const char __user * newname);
417asmlinkage long sys_linkat(int olddfd, const char __user *oldname,
418 int newdfd, const char __user *newname, int flags);
419asmlinkage long sys_renameat(int olddfd, const char __user * oldname,
420 int newdfd, const char __user * newname);
421asmlinkage long sys_umount(char __user *name, int flags);
422asmlinkage long sys_mount(char __user *dev_name, char __user *dir_name,
423 char __user *type, unsigned long flags,
424 void __user *data);
425asmlinkage long sys_pivot_root(const char __user *new_root,
426 const char __user *put_old);
427asmlinkage long sys_statfs(const char __user * path,
428 struct statfs __user *buf);
429asmlinkage long sys_statfs64(const char __user *path, size_t sz,
430 struct statfs64 __user *buf);
431asmlinkage long sys_fstatfs(unsigned int fd, struct statfs __user *buf);
432asmlinkage long sys_fstatfs64(unsigned int fd, size_t sz,
433 struct statfs64 __user *buf);
434asmlinkage long sys_statmount(const struct mnt_id_req __user *req,
435 struct statmount __user *buf, size_t bufsize,
436 unsigned int flags);
437asmlinkage long sys_listmount(const struct mnt_id_req __user *req,
438 u64 __user *mnt_ids, size_t nr_mnt_ids,
439 unsigned int flags);
440asmlinkage long sys_truncate(const char __user *path, long length);
441asmlinkage long sys_ftruncate(unsigned int fd, off_t length);
442#if BITS_PER_LONG == 32
443asmlinkage long sys_truncate64(const char __user *path, loff_t length);
444asmlinkage long sys_ftruncate64(unsigned int fd, loff_t length);
445#endif
446asmlinkage long sys_fallocate(int fd, int mode, loff_t offset, loff_t len);
447asmlinkage long sys_faccessat(int dfd, const char __user *filename, int mode);
448asmlinkage long sys_faccessat2(int dfd, const char __user *filename, int mode,
449 int flags);
450asmlinkage long sys_chdir(const char __user *filename);
451asmlinkage long sys_fchdir(unsigned int fd);
452asmlinkage long sys_chroot(const char __user *filename);
453asmlinkage long sys_fchmod(unsigned int fd, umode_t mode);
454asmlinkage long sys_fchmodat(int dfd, const char __user *filename,
455 umode_t mode);
456asmlinkage long sys_fchmodat2(int dfd, const char __user *filename,
457 umode_t mode, unsigned int flags);
458asmlinkage long sys_fchownat(int dfd, const char __user *filename, uid_t user,
459 gid_t group, int flag);
460asmlinkage long sys_fchown(unsigned int fd, uid_t user, gid_t group);
461asmlinkage long sys_openat(int dfd, const char __user *filename, int flags,
462 umode_t mode);
463asmlinkage long sys_openat2(int dfd, const char __user *filename,
464 struct open_how __user *how, size_t size);
465asmlinkage long sys_close(unsigned int fd);
466asmlinkage long sys_close_range(unsigned int fd, unsigned int max_fd,
467 unsigned int flags);
468asmlinkage long sys_vhangup(void);
469asmlinkage long sys_pipe2(int __user *fildes, int flags);
470asmlinkage long sys_quotactl(unsigned int cmd, const char __user *special,
471 qid_t id, void __user *addr);
472asmlinkage long sys_quotactl_fd(unsigned int fd, unsigned int cmd, qid_t id,
473 void __user *addr);
474asmlinkage long sys_getdents64(unsigned int fd,
475 struct linux_dirent64 __user *dirent,
476 unsigned int count);
477asmlinkage long sys_llseek(unsigned int fd, unsigned long offset_high,
478 unsigned long offset_low, loff_t __user *result,
479 unsigned int whence);
480asmlinkage long sys_lseek(unsigned int fd, off_t offset,
481 unsigned int whence);
482asmlinkage long sys_read(unsigned int fd, char __user *buf, size_t count);
483asmlinkage long sys_write(unsigned int fd, const char __user *buf,
484 size_t count);
485asmlinkage long sys_readv(unsigned long fd,
486 const struct iovec __user *vec,
487 unsigned long vlen);
488asmlinkage long sys_writev(unsigned long fd,
489 const struct iovec __user *vec,
490 unsigned long vlen);
491asmlinkage long sys_pread64(unsigned int fd, char __user *buf,
492 size_t count, loff_t pos);
493asmlinkage long sys_pwrite64(unsigned int fd, const char __user *buf,
494 size_t count, loff_t pos);
495asmlinkage long sys_preadv(unsigned long fd, const struct iovec __user *vec,
496 unsigned long vlen, unsigned long pos_l, unsigned long pos_h);
497asmlinkage long sys_pwritev(unsigned long fd, const struct iovec __user *vec,
498 unsigned long vlen, unsigned long pos_l, unsigned long pos_h);
499asmlinkage long sys_sendfile64(int out_fd, int in_fd,
500 loff_t __user *offset, size_t count);
501asmlinkage long sys_pselect6(int, fd_set __user *, fd_set __user *,
502 fd_set __user *, struct __kernel_timespec __user *,
503 void __user *);
504asmlinkage long sys_pselect6_time32(int, fd_set __user *, fd_set __user *,
505 fd_set __user *, struct old_timespec32 __user *,
506 void __user *);
507asmlinkage long sys_ppoll(struct pollfd __user *, unsigned int,
508 struct __kernel_timespec __user *, const sigset_t __user *,
509 size_t);
510asmlinkage long sys_ppoll_time32(struct pollfd __user *, unsigned int,
511 struct old_timespec32 __user *, const sigset_t __user *,
512 size_t);
513asmlinkage long sys_signalfd4(int ufd, sigset_t __user *user_mask, size_t sizemask, int flags);
514asmlinkage long sys_vmsplice(int fd, const struct iovec __user *iov,
515 unsigned long nr_segs, unsigned int flags);
516asmlinkage long sys_splice(int fd_in, loff_t __user *off_in,
517 int fd_out, loff_t __user *off_out,
518 size_t len, unsigned int flags);
519asmlinkage long sys_tee(int fdin, int fdout, size_t len, unsigned int flags);
520asmlinkage long sys_readlinkat(int dfd, const char __user *path, char __user *buf,
521 int bufsiz);
522asmlinkage long sys_newfstatat(int dfd, const char __user *filename,
523 struct stat __user *statbuf, int flag);
524asmlinkage long sys_newfstat(unsigned int fd, struct stat __user *statbuf);
525#if defined(__ARCH_WANT_STAT64) || defined(__ARCH_WANT_COMPAT_STAT64)
526asmlinkage long sys_fstat64(unsigned long fd, struct stat64 __user *statbuf);
527asmlinkage long sys_fstatat64(int dfd, const char __user *filename,
528 struct stat64 __user *statbuf, int flag);
529#endif
530asmlinkage long sys_sync(void);
531asmlinkage long sys_fsync(unsigned int fd);
532asmlinkage long sys_fdatasync(unsigned int fd);
533asmlinkage long sys_sync_file_range2(int fd, unsigned int flags,
534 loff_t offset, loff_t nbytes);
535asmlinkage long sys_sync_file_range(int fd, loff_t offset, loff_t nbytes,
536 unsigned int flags);
537asmlinkage long sys_timerfd_create(int clockid, int flags);
538asmlinkage long sys_timerfd_settime(int ufd, int flags,
539 const struct __kernel_itimerspec __user *utmr,
540 struct __kernel_itimerspec __user *otmr);
541asmlinkage long sys_timerfd_gettime(int ufd, struct __kernel_itimerspec __user *otmr);
542asmlinkage long sys_timerfd_gettime32(int ufd,
543 struct old_itimerspec32 __user *otmr);
544asmlinkage long sys_timerfd_settime32(int ufd, int flags,
545 const struct old_itimerspec32 __user *utmr,
546 struct old_itimerspec32 __user *otmr);
547asmlinkage long sys_utimensat(int dfd, const char __user *filename,
548 struct __kernel_timespec __user *utimes,
549 int flags);
550asmlinkage long sys_utimensat_time32(unsigned int dfd,
551 const char __user *filename,
552 struct old_timespec32 __user *t, int flags);
553asmlinkage long sys_acct(const char __user *name);
554asmlinkage long sys_capget(cap_user_header_t header,
555 cap_user_data_t dataptr);
556asmlinkage long sys_capset(cap_user_header_t header,
557 const cap_user_data_t data);
558asmlinkage long sys_personality(unsigned int personality);
559asmlinkage long sys_exit(int error_code);
560asmlinkage long sys_exit_group(int error_code);
561asmlinkage long sys_waitid(int which, pid_t pid,
562 struct siginfo __user *infop,
563 int options, struct rusage __user *ru);
564asmlinkage long sys_set_tid_address(int __user *tidptr);
565asmlinkage long sys_unshare(unsigned long unshare_flags);
566asmlinkage long sys_futex(u32 __user *uaddr, int op, u32 val,
567 const struct __kernel_timespec __user *utime,
568 u32 __user *uaddr2, u32 val3);
569asmlinkage long sys_futex_time32(u32 __user *uaddr, int op, u32 val,
570 const struct old_timespec32 __user *utime,
571 u32 __user *uaddr2, u32 val3);
572asmlinkage long sys_get_robust_list(int pid,
573 struct robust_list_head __user * __user *head_ptr,
574 size_t __user *len_ptr);
575asmlinkage long sys_set_robust_list(struct robust_list_head __user *head,
576 size_t len);
577
578asmlinkage long sys_futex_waitv(struct futex_waitv __user *waiters,
579 unsigned int nr_futexes, unsigned int flags,
580 struct __kernel_timespec __user *timeout, clockid_t clockid);
581
582asmlinkage long sys_futex_wake(void __user *uaddr, unsigned long mask, int nr, unsigned int flags);
583
584asmlinkage long sys_futex_wait(void __user *uaddr, unsigned long val, unsigned long mask,
585 unsigned int flags, struct __kernel_timespec __user *timespec,
586 clockid_t clockid);
587
588asmlinkage long sys_futex_requeue(struct futex_waitv __user *waiters,
589 unsigned int flags, int nr_wake, int nr_requeue);
590
591asmlinkage long sys_nanosleep(struct __kernel_timespec __user *rqtp,
592 struct __kernel_timespec __user *rmtp);
593asmlinkage long sys_nanosleep_time32(struct old_timespec32 __user *rqtp,
594 struct old_timespec32 __user *rmtp);
595asmlinkage long sys_getitimer(int which, struct __kernel_old_itimerval __user *value);
596asmlinkage long sys_setitimer(int which,
597 struct __kernel_old_itimerval __user *value,
598 struct __kernel_old_itimerval __user *ovalue);
599asmlinkage long sys_kexec_load(unsigned long entry, unsigned long nr_segments,
600 struct kexec_segment __user *segments,
601 unsigned long flags);
602asmlinkage long sys_init_module(void __user *umod, unsigned long len,
603 const char __user *uargs);
604asmlinkage long sys_delete_module(const char __user *name_user,
605 unsigned int flags);
606asmlinkage long sys_timer_create(clockid_t which_clock,
607 struct sigevent __user *timer_event_spec,
608 timer_t __user * created_timer_id);
609asmlinkage long sys_timer_gettime(timer_t timer_id,
610 struct __kernel_itimerspec __user *setting);
611asmlinkage long sys_timer_getoverrun(timer_t timer_id);
612asmlinkage long sys_timer_settime(timer_t timer_id, int flags,
613 const struct __kernel_itimerspec __user *new_setting,
614 struct __kernel_itimerspec __user *old_setting);
615asmlinkage long sys_timer_delete(timer_t timer_id);
616asmlinkage long sys_clock_settime(clockid_t which_clock,
617 const struct __kernel_timespec __user *tp);
618asmlinkage long sys_clock_gettime(clockid_t which_clock,
619 struct __kernel_timespec __user *tp);
620asmlinkage long sys_clock_getres(clockid_t which_clock,
621 struct __kernel_timespec __user *tp);
622asmlinkage long sys_clock_nanosleep(clockid_t which_clock, int flags,
623 const struct __kernel_timespec __user *rqtp,
624 struct __kernel_timespec __user *rmtp);
625asmlinkage long sys_timer_gettime32(timer_t timer_id,
626 struct old_itimerspec32 __user *setting);
627asmlinkage long sys_timer_settime32(timer_t timer_id, int flags,
628 struct old_itimerspec32 __user *new,
629 struct old_itimerspec32 __user *old);
630asmlinkage long sys_clock_settime32(clockid_t which_clock,
631 struct old_timespec32 __user *tp);
632asmlinkage long sys_clock_gettime32(clockid_t which_clock,
633 struct old_timespec32 __user *tp);
634asmlinkage long sys_clock_getres_time32(clockid_t which_clock,
635 struct old_timespec32 __user *tp);
636asmlinkage long sys_clock_nanosleep_time32(clockid_t which_clock, int flags,
637 struct old_timespec32 __user *rqtp,
638 struct old_timespec32 __user *rmtp);
639asmlinkage long sys_syslog(int type, char __user *buf, int len);
640asmlinkage long sys_ptrace(long request, long pid, unsigned long addr,
641 unsigned long data);
642asmlinkage long sys_sched_setparam(pid_t pid,
643 struct sched_param __user *param);
644asmlinkage long sys_sched_setscheduler(pid_t pid, int policy,
645 struct sched_param __user *param);
646asmlinkage long sys_sched_getscheduler(pid_t pid);
647asmlinkage long sys_sched_getparam(pid_t pid,
648 struct sched_param __user *param);
649asmlinkage long sys_sched_setaffinity(pid_t pid, unsigned int len,
650 unsigned long __user *user_mask_ptr);
651asmlinkage long sys_sched_getaffinity(pid_t pid, unsigned int len,
652 unsigned long __user *user_mask_ptr);
653asmlinkage long sys_sched_yield(void);
654asmlinkage long sys_sched_get_priority_max(int policy);
655asmlinkage long sys_sched_get_priority_min(int policy);
656asmlinkage long sys_sched_rr_get_interval(pid_t pid,
657 struct __kernel_timespec __user *interval);
658asmlinkage long sys_sched_rr_get_interval_time32(pid_t pid,
659 struct old_timespec32 __user *interval);
660asmlinkage long sys_restart_syscall(void);
661asmlinkage long sys_kill(pid_t pid, int sig);
662asmlinkage long sys_tkill(pid_t pid, int sig);
663asmlinkage long sys_tgkill(pid_t tgid, pid_t pid, int sig);
664asmlinkage long sys_sigaltstack(const struct sigaltstack __user *uss,
665 struct sigaltstack __user *uoss);
666asmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize);
667#ifndef CONFIG_ODD_RT_SIGACTION
668asmlinkage long sys_rt_sigaction(int,
669 const struct sigaction __user *,
670 struct sigaction __user *,
671 size_t);
672#endif
673asmlinkage long sys_rt_sigprocmask(int how, sigset_t __user *set,
674 sigset_t __user *oset, size_t sigsetsize);
675asmlinkage long sys_rt_sigpending(sigset_t __user *set, size_t sigsetsize);
676asmlinkage long sys_rt_sigtimedwait(const sigset_t __user *uthese,
677 siginfo_t __user *uinfo,
678 const struct __kernel_timespec __user *uts,
679 size_t sigsetsize);
680asmlinkage long sys_rt_sigtimedwait_time32(const sigset_t __user *uthese,
681 siginfo_t __user *uinfo,
682 const struct old_timespec32 __user *uts,
683 size_t sigsetsize);
684asmlinkage long sys_rt_sigqueueinfo(pid_t pid, int sig, siginfo_t __user *uinfo);
685asmlinkage long sys_setpriority(int which, int who, int niceval);
686asmlinkage long sys_getpriority(int which, int who);
687asmlinkage long sys_reboot(int magic1, int magic2, unsigned int cmd,
688 void __user *arg);
689asmlinkage long sys_setregid(gid_t rgid, gid_t egid);
690asmlinkage long sys_setgid(gid_t gid);
691asmlinkage long sys_setreuid(uid_t ruid, uid_t euid);
692asmlinkage long sys_setuid(uid_t uid);
693asmlinkage long sys_setresuid(uid_t ruid, uid_t euid, uid_t suid);
694asmlinkage long sys_getresuid(uid_t __user *ruid, uid_t __user *euid, uid_t __user *suid);
695asmlinkage long sys_setresgid(gid_t rgid, gid_t egid, gid_t sgid);
696asmlinkage long sys_getresgid(gid_t __user *rgid, gid_t __user *egid, gid_t __user *sgid);
697asmlinkage long sys_setfsuid(uid_t uid);
698asmlinkage long sys_setfsgid(gid_t gid);
699asmlinkage long sys_times(struct tms __user *tbuf);
700asmlinkage long sys_setpgid(pid_t pid, pid_t pgid);
701asmlinkage long sys_getpgid(pid_t pid);
702asmlinkage long sys_getsid(pid_t pid);
703asmlinkage long sys_setsid(void);
704asmlinkage long sys_getgroups(int gidsetsize, gid_t __user *grouplist);
705asmlinkage long sys_setgroups(int gidsetsize, gid_t __user *grouplist);
706asmlinkage long sys_newuname(struct new_utsname __user *name);
707asmlinkage long sys_sethostname(char __user *name, int len);
708asmlinkage long sys_setdomainname(char __user *name, int len);
709asmlinkage long sys_getrlimit(unsigned int resource,
710 struct rlimit __user *rlim);
711asmlinkage long sys_setrlimit(unsigned int resource,
712 struct rlimit __user *rlim);
713asmlinkage long sys_getrusage(int who, struct rusage __user *ru);
714asmlinkage long sys_umask(int mask);
715asmlinkage long sys_prctl(int option, unsigned long arg2, unsigned long arg3,
716 unsigned long arg4, unsigned long arg5);
717asmlinkage long sys_getcpu(unsigned __user *cpu, unsigned __user *node, struct getcpu_cache __user *cache);
718asmlinkage long sys_gettimeofday(struct __kernel_old_timeval __user *tv,
719 struct timezone __user *tz);
720asmlinkage long sys_settimeofday(struct __kernel_old_timeval __user *tv,
721 struct timezone __user *tz);
722asmlinkage long sys_adjtimex(struct __kernel_timex __user *txc_p);
723asmlinkage long sys_adjtimex_time32(struct old_timex32 __user *txc_p);
724asmlinkage long sys_getpid(void);
725asmlinkage long sys_getppid(void);
726asmlinkage long sys_getuid(void);
727asmlinkage long sys_geteuid(void);
728asmlinkage long sys_getgid(void);
729asmlinkage long sys_getegid(void);
730asmlinkage long sys_gettid(void);
731asmlinkage long sys_sysinfo(struct sysinfo __user *info);
732asmlinkage long sys_mq_open(const char __user *name, int oflag, umode_t mode, struct mq_attr __user *attr);
733asmlinkage long sys_mq_unlink(const char __user *name);
734asmlinkage 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);
735asmlinkage 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);
736asmlinkage long sys_mq_notify(mqd_t mqdes, const struct sigevent __user *notification);
737asmlinkage long sys_mq_getsetattr(mqd_t mqdes, const struct mq_attr __user *mqstat, struct mq_attr __user *omqstat);
738asmlinkage long sys_mq_timedreceive_time32(mqd_t mqdes,
739 char __user *u_msg_ptr,
740 unsigned int msg_len, unsigned int __user *u_msg_prio,
741 const struct old_timespec32 __user *u_abs_timeout);
742asmlinkage long sys_mq_timedsend_time32(mqd_t mqdes,
743 const char __user *u_msg_ptr,
744 unsigned int msg_len, unsigned int msg_prio,
745 const struct old_timespec32 __user *u_abs_timeout);
746asmlinkage long sys_msgget(key_t key, int msgflg);
747asmlinkage long sys_old_msgctl(int msqid, int cmd, struct msqid_ds __user *buf);
748asmlinkage long sys_msgctl(int msqid, int cmd, struct msqid_ds __user *buf);
749asmlinkage long sys_msgrcv(int msqid, struct msgbuf __user *msgp,
750 size_t msgsz, long msgtyp, int msgflg);
751asmlinkage long sys_msgsnd(int msqid, struct msgbuf __user *msgp,
752 size_t msgsz, int msgflg);
753asmlinkage long sys_semget(key_t key, int nsems, int semflg);
754asmlinkage long sys_semctl(int semid, int semnum, int cmd, unsigned long arg);
755asmlinkage long sys_old_semctl(int semid, int semnum, int cmd, unsigned long arg);
756asmlinkage long sys_semtimedop(int semid, struct sembuf __user *sops,
757 unsigned nsops,
758 const struct __kernel_timespec __user *timeout);
759asmlinkage long sys_semtimedop_time32(int semid, struct sembuf __user *sops,
760 unsigned nsops,
761 const struct old_timespec32 __user *timeout);
762asmlinkage long sys_semop(int semid, struct sembuf __user *sops,
763 unsigned nsops);
764asmlinkage long sys_shmget(key_t key, size_t size, int flag);
765asmlinkage long sys_old_shmctl(int shmid, int cmd, struct shmid_ds __user *buf);
766asmlinkage long sys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf);
767asmlinkage long sys_shmat(int shmid, char __user *shmaddr, int shmflg);
768asmlinkage long sys_shmdt(char __user *shmaddr);
769asmlinkage long sys_socket(int, int, int);
770asmlinkage long sys_socketpair(int, int, int, int __user *);
771asmlinkage long sys_bind(int, struct sockaddr __user *, int);
772asmlinkage long sys_listen(int, int);
773asmlinkage long sys_accept(int, struct sockaddr __user *, int __user *);
774asmlinkage long sys_connect(int, struct sockaddr __user *, int);
775asmlinkage long sys_getsockname(int, struct sockaddr __user *, int __user *);
776asmlinkage long sys_getpeername(int, struct sockaddr __user *, int __user *);
777asmlinkage long sys_sendto(int, void __user *, size_t, unsigned,
778 struct sockaddr __user *, int);
779asmlinkage long sys_recvfrom(int, void __user *, size_t, unsigned,
780 struct sockaddr __user *, int __user *);
781asmlinkage long sys_setsockopt(int fd, int level, int optname,
782 char __user *optval, int optlen);
783asmlinkage long sys_getsockopt(int fd, int level, int optname,
784 char __user *optval, int __user *optlen);
785asmlinkage long sys_shutdown(int, int);
786asmlinkage long sys_sendmsg(int fd, struct user_msghdr __user *msg, unsigned flags);
787asmlinkage long sys_recvmsg(int fd, struct user_msghdr __user *msg, unsigned flags);
788asmlinkage long sys_readahead(int fd, loff_t offset, size_t count);
789asmlinkage long sys_brk(unsigned long brk);
790asmlinkage long sys_munmap(unsigned long addr, size_t len);
791asmlinkage long sys_mremap(unsigned long addr,
792 unsigned long old_len, unsigned long new_len,
793 unsigned long flags, unsigned long new_addr);
794asmlinkage long sys_add_key(const char __user *_type,
795 const char __user *_description,
796 const void __user *_payload,
797 size_t plen,
798 key_serial_t destringid);
799asmlinkage long sys_request_key(const char __user *_type,
800 const char __user *_description,
801 const char __user *_callout_info,
802 key_serial_t destringid);
803asmlinkage long sys_keyctl(int cmd, unsigned long arg2, unsigned long arg3,
804 unsigned long arg4, unsigned long arg5);
805#ifdef CONFIG_CLONE_BACKWARDS
806asmlinkage long sys_clone(unsigned long, unsigned long, int __user *, unsigned long,
807 int __user *);
808#else
809#ifdef CONFIG_CLONE_BACKWARDS3
810asmlinkage long sys_clone(unsigned long, unsigned long, int, int __user *,
811 int __user *, unsigned long);
812#else
813asmlinkage long sys_clone(unsigned long, unsigned long, int __user *,
814 int __user *, unsigned long);
815#endif
816#endif
817
818asmlinkage long sys_clone3(struct clone_args __user *uargs, size_t size);
819
820asmlinkage long sys_execve(const char __user *filename,
821 const char __user *const __user *argv,
822 const char __user *const __user *envp);
823asmlinkage long sys_fadvise64_64(int fd, loff_t offset, loff_t len, int advice);
824
825/* CONFIG_MMU only */
826asmlinkage long sys_swapon(const char __user *specialfile, int swap_flags);
827asmlinkage long sys_swapoff(const char __user *specialfile);
828asmlinkage long sys_mprotect(unsigned long start, size_t len,
829 unsigned long prot);
830asmlinkage long sys_msync(unsigned long start, size_t len, int flags);
831asmlinkage long sys_mlock(unsigned long start, size_t len);
832asmlinkage long sys_munlock(unsigned long start, size_t len);
833asmlinkage long sys_mlockall(int flags);
834asmlinkage long sys_munlockall(void);
835asmlinkage long sys_mincore(unsigned long start, size_t len,
836 unsigned char __user * vec);
837asmlinkage long sys_madvise(unsigned long start, size_t len, int behavior);
838asmlinkage long sys_process_madvise(int pidfd, const struct iovec __user *vec,
839 size_t vlen, int behavior, unsigned int flags);
840asmlinkage long sys_process_mrelease(int pidfd, unsigned int flags);
841asmlinkage long sys_remap_file_pages(unsigned long start, unsigned long size,
842 unsigned long prot, unsigned long pgoff,
843 unsigned long flags);
844asmlinkage long sys_mseal(unsigned long start, size_t len, unsigned long flags);
845asmlinkage long sys_mbind(unsigned long start, unsigned long len,
846 unsigned long mode,
847 const unsigned long __user *nmask,
848 unsigned long maxnode,
849 unsigned flags);
850asmlinkage long sys_get_mempolicy(int __user *policy,
851 unsigned long __user *nmask,
852 unsigned long maxnode,
853 unsigned long addr, unsigned long flags);
854asmlinkage long sys_set_mempolicy(int mode, const unsigned long __user *nmask,
855 unsigned long maxnode);
856asmlinkage long sys_migrate_pages(pid_t pid, unsigned long maxnode,
857 const unsigned long __user *from,
858 const unsigned long __user *to);
859asmlinkage long sys_move_pages(pid_t pid, unsigned long nr_pages,
860 const void __user * __user *pages,
861 const int __user *nodes,
862 int __user *status,
863 int flags);
864asmlinkage long sys_rt_tgsigqueueinfo(pid_t tgid, pid_t pid, int sig,
865 siginfo_t __user *uinfo);
866asmlinkage long sys_perf_event_open(
867 struct perf_event_attr __user *attr_uptr,
868 pid_t pid, int cpu, int group_fd, unsigned long flags);
869asmlinkage long sys_accept4(int, struct sockaddr __user *, int __user *, int);
870asmlinkage long sys_recvmmsg(int fd, struct mmsghdr __user *msg,
871 unsigned int vlen, unsigned flags,
872 struct __kernel_timespec __user *timeout);
873asmlinkage long sys_recvmmsg_time32(int fd, struct mmsghdr __user *msg,
874 unsigned int vlen, unsigned flags,
875 struct old_timespec32 __user *timeout);
876asmlinkage long sys_wait4(pid_t pid, int __user *stat_addr,
877 int options, struct rusage __user *ru);
878asmlinkage long sys_prlimit64(pid_t pid, unsigned int resource,
879 const struct rlimit64 __user *new_rlim,
880 struct rlimit64 __user *old_rlim);
881asmlinkage long sys_fanotify_init(unsigned int flags, unsigned int event_f_flags);
882#if defined(CONFIG_ARCH_SPLIT_ARG64)
883asmlinkage long sys_fanotify_mark(int fanotify_fd, unsigned int flags,
884 unsigned int mask_1, unsigned int mask_2,
885 int dfd, const char __user * pathname);
886#else
887asmlinkage long sys_fanotify_mark(int fanotify_fd, unsigned int flags,
888 u64 mask, int fd,
889 const char __user *pathname);
890#endif
891asmlinkage long sys_name_to_handle_at(int dfd, const char __user *name,
892 struct file_handle __user *handle,
893 void __user *mnt_id, int flag);
894asmlinkage long sys_open_by_handle_at(int mountdirfd,
895 struct file_handle __user *handle,
896 int flags);
897asmlinkage long sys_clock_adjtime(clockid_t which_clock,
898 struct __kernel_timex __user *tx);
899asmlinkage long sys_clock_adjtime32(clockid_t which_clock,
900 struct old_timex32 __user *tx);
901asmlinkage long sys_syncfs(int fd);
902asmlinkage long sys_setns(int fd, int nstype);
903asmlinkage long sys_pidfd_open(pid_t pid, unsigned int flags);
904asmlinkage long sys_sendmmsg(int fd, struct mmsghdr __user *msg,
905 unsigned int vlen, unsigned flags);
906asmlinkage long sys_process_vm_readv(pid_t pid,
907 const struct iovec __user *lvec,
908 unsigned long liovcnt,
909 const struct iovec __user *rvec,
910 unsigned long riovcnt,
911 unsigned long flags);
912asmlinkage long sys_process_vm_writev(pid_t pid,
913 const struct iovec __user *lvec,
914 unsigned long liovcnt,
915 const struct iovec __user *rvec,
916 unsigned long riovcnt,
917 unsigned long flags);
918asmlinkage long sys_kcmp(pid_t pid1, pid_t pid2, int type,
919 unsigned long idx1, unsigned long idx2);
920asmlinkage long sys_finit_module(int fd, const char __user *uargs, int flags);
921asmlinkage long sys_sched_setattr(pid_t pid,
922 struct sched_attr __user *attr,
923 unsigned int flags);
924asmlinkage long sys_sched_getattr(pid_t pid,
925 struct sched_attr __user *attr,
926 unsigned int size,
927 unsigned int flags);
928asmlinkage long sys_renameat2(int olddfd, const char __user *oldname,
929 int newdfd, const char __user *newname,
930 unsigned int flags);
931asmlinkage long sys_seccomp(unsigned int op, unsigned int flags,
932 void __user *uargs);
933asmlinkage long sys_getrandom(char __user *buf, size_t count,
934 unsigned int flags);
935asmlinkage long sys_memfd_create(const char __user *uname_ptr, unsigned int flags);
936asmlinkage long sys_bpf(int cmd, union bpf_attr __user *attr, unsigned int size);
937asmlinkage long sys_execveat(int dfd, const char __user *filename,
938 const char __user *const __user *argv,
939 const char __user *const __user *envp, int flags);
940asmlinkage long sys_userfaultfd(int flags);
941asmlinkage long sys_membarrier(int cmd, unsigned int flags, int cpu_id);
942asmlinkage long sys_mlock2(unsigned long start, size_t len, int flags);
943asmlinkage long sys_copy_file_range(int fd_in, loff_t __user *off_in,
944 int fd_out, loff_t __user *off_out,
945 size_t len, unsigned int flags);
946asmlinkage long sys_preadv2(unsigned long fd, const struct iovec __user *vec,
947 unsigned long vlen, unsigned long pos_l, unsigned long pos_h,
948 rwf_t flags);
949asmlinkage long sys_pwritev2(unsigned long fd, const struct iovec __user *vec,
950 unsigned long vlen, unsigned long pos_l, unsigned long pos_h,
951 rwf_t flags);
952asmlinkage long sys_pkey_mprotect(unsigned long start, size_t len,
953 unsigned long prot, int pkey);
954asmlinkage long sys_pkey_alloc(unsigned long flags, unsigned long init_val);
955asmlinkage long sys_pkey_free(int pkey);
956asmlinkage long sys_statx(int dfd, const char __user *path, unsigned flags,
957 unsigned mask, struct statx __user *buffer);
958asmlinkage long sys_rseq(struct rseq __user *rseq, uint32_t rseq_len,
959 int flags, uint32_t sig);
960asmlinkage long sys_open_tree(int dfd, const char __user *path, unsigned flags);
961asmlinkage long sys_open_tree_attr(int dfd, const char __user *path,
962 unsigned flags,
963 struct mount_attr __user *uattr,
964 size_t usize);
965asmlinkage long sys_move_mount(int from_dfd, const char __user *from_path,
966 int to_dfd, const char __user *to_path,
967 unsigned int ms_flags);
968asmlinkage long sys_mount_setattr(int dfd, const char __user *path,
969 unsigned int flags,
970 struct mount_attr __user *uattr, size_t usize);
971asmlinkage long sys_fsopen(const char __user *fs_name, unsigned int flags);
972asmlinkage long sys_fsconfig(int fs_fd, unsigned int cmd, const char __user *key,
973 const void __user *value, int aux);
974asmlinkage long sys_fsmount(int fs_fd, unsigned int flags, unsigned int ms_flags);
975asmlinkage long sys_fspick(int dfd, const char __user *path, unsigned int flags);
976asmlinkage long sys_pidfd_send_signal(int pidfd, int sig,
977 siginfo_t __user *info,
978 unsigned int flags);
979asmlinkage long sys_pidfd_getfd(int pidfd, int fd, unsigned int flags);
980asmlinkage long sys_landlock_create_ruleset(const struct landlock_ruleset_attr __user *attr,
981 size_t size, __u32 flags);
982asmlinkage long sys_landlock_add_rule(int ruleset_fd, enum landlock_rule_type rule_type,
983 const void __user *rule_attr, __u32 flags);
984asmlinkage long sys_landlock_restrict_self(int ruleset_fd, __u32 flags);
985asmlinkage long sys_memfd_secret(unsigned int flags);
986asmlinkage long sys_set_mempolicy_home_node(unsigned long start, unsigned long len,
987 unsigned long home_node,
988 unsigned long flags);
989asmlinkage long sys_cachestat(unsigned int fd,
990 struct cachestat_range __user *cstat_range,
991 struct cachestat __user *cstat, unsigned int flags);
992asmlinkage long sys_map_shadow_stack(unsigned long addr, unsigned long size, unsigned int flags);
993asmlinkage long sys_lsm_get_self_attr(unsigned int attr, struct lsm_ctx __user *ctx,
994 u32 __user *size, u32 flags);
995asmlinkage long sys_lsm_set_self_attr(unsigned int attr, struct lsm_ctx __user *ctx,
996 u32 size, u32 flags);
997asmlinkage long sys_lsm_list_modules(u64 __user *ids, u32 __user *size, u32 flags);
998
999/*
1000 * Architecture-specific system calls
1001 */
1002
1003/* x86 */
1004asmlinkage long sys_ioperm(unsigned long from, unsigned long num, int on);
1005
1006asmlinkage long sys_uretprobe(void);
1007
1008/* pciconfig: alpha, arm, arm64, ia64, sparc */
1009asmlinkage long sys_pciconfig_read(unsigned long bus, unsigned long dfn,
1010 unsigned long off, unsigned long len,
1011 void __user *buf);
1012asmlinkage long sys_pciconfig_write(unsigned long bus, unsigned long dfn,
1013 unsigned long off, unsigned long len,
1014 void __user *buf);
1015asmlinkage long sys_pciconfig_iobase(long which, unsigned long bus, unsigned long devfn);
1016
1017/* powerpc */
1018asmlinkage long sys_spu_run(int fd, __u32 __user *unpc,
1019 __u32 __user *ustatus);
1020asmlinkage long sys_spu_create(const char __user *name,
1021 unsigned int flags, umode_t mode, int fd);
1022
1023
1024/*
1025 * Deprecated system calls which are still defined in
1026 * include/uapi/asm-generic/unistd.h and wanted by >= 1 arch
1027 */
1028
1029/* __ARCH_WANT_SYSCALL_NO_AT */
1030asmlinkage long sys_open(const char __user *filename,
1031 int flags, umode_t mode);
1032asmlinkage long sys_link(const char __user *oldname,
1033 const char __user *newname);
1034asmlinkage long sys_unlink(const char __user *pathname);
1035asmlinkage long sys_mknod(const char __user *filename, umode_t mode,
1036 unsigned dev);
1037asmlinkage long sys_chmod(const char __user *filename, umode_t mode);
1038asmlinkage long sys_chown(const char __user *filename,
1039 uid_t user, gid_t group);
1040asmlinkage long sys_mkdir(const char __user *pathname, umode_t mode);
1041asmlinkage long sys_rmdir(const char __user *pathname);
1042asmlinkage long sys_lchown(const char __user *filename,
1043 uid_t user, gid_t group);
1044asmlinkage long sys_access(const char __user *filename, int mode);
1045asmlinkage long sys_rename(const char __user *oldname,
1046 const char __user *newname);
1047asmlinkage long sys_symlink(const char __user *old, const char __user *new);
1048#if defined(__ARCH_WANT_STAT64) || defined(__ARCH_WANT_COMPAT_STAT64)
1049asmlinkage long sys_stat64(const char __user *filename,
1050 struct stat64 __user *statbuf);
1051asmlinkage long sys_lstat64(const char __user *filename,
1052 struct stat64 __user *statbuf);
1053#endif
1054
1055/* __ARCH_WANT_SYSCALL_NO_FLAGS */
1056asmlinkage long sys_pipe(int __user *fildes);
1057asmlinkage long sys_dup2(unsigned int oldfd, unsigned int newfd);
1058asmlinkage long sys_epoll_create(int size);
1059asmlinkage long sys_inotify_init(void);
1060asmlinkage long sys_eventfd(unsigned int count);
1061asmlinkage long sys_signalfd(int ufd, sigset_t __user *user_mask, size_t sizemask);
1062
1063/* __ARCH_WANT_SYSCALL_OFF_T */
1064asmlinkage long sys_sendfile(int out_fd, int in_fd,
1065 off_t __user *offset, size_t count);
1066asmlinkage long sys_newstat(const char __user *filename,
1067 struct stat __user *statbuf);
1068asmlinkage long sys_newlstat(const char __user *filename,
1069 struct stat __user *statbuf);
1070asmlinkage long sys_fadvise64(int fd, loff_t offset, size_t len, int advice);
1071
1072/* __ARCH_WANT_SYSCALL_DEPRECATED */
1073asmlinkage long sys_alarm(unsigned int seconds);
1074asmlinkage long sys_getpgrp(void);
1075asmlinkage long sys_pause(void);
1076asmlinkage long sys_time(__kernel_old_time_t __user *tloc);
1077asmlinkage long sys_time32(old_time32_t __user *tloc);
1078#ifdef __ARCH_WANT_SYS_UTIME
1079asmlinkage long sys_utime(char __user *filename,
1080 struct utimbuf __user *times);
1081asmlinkage long sys_utimes(char __user *filename,
1082 struct __kernel_old_timeval __user *utimes);
1083asmlinkage long sys_futimesat(int dfd, const char __user *filename,
1084 struct __kernel_old_timeval __user *utimes);
1085#endif
1086asmlinkage long sys_futimesat_time32(unsigned int dfd,
1087 const char __user *filename,
1088 struct old_timeval32 __user *t);
1089asmlinkage long sys_utime32(const char __user *filename,
1090 struct old_utimbuf32 __user *t);
1091asmlinkage long sys_utimes_time32(const char __user *filename,
1092 struct old_timeval32 __user *t);
1093asmlinkage long sys_creat(const char __user *pathname, umode_t mode);
1094asmlinkage long sys_getdents(unsigned int fd,
1095 struct linux_dirent __user *dirent,
1096 unsigned int count);
1097asmlinkage long sys_select(int n, fd_set __user *inp, fd_set __user *outp,
1098 fd_set __user *exp, struct __kernel_old_timeval __user *tvp);
1099asmlinkage long sys_poll(struct pollfd __user *ufds, unsigned int nfds,
1100 int timeout);
1101asmlinkage long sys_epoll_wait(int epfd, struct epoll_event __user *events,
1102 int maxevents, int timeout);
1103asmlinkage long sys_ustat(unsigned dev, struct ustat __user *ubuf);
1104asmlinkage long sys_vfork(void);
1105asmlinkage long sys_recv(int, void __user *, size_t, unsigned);
1106asmlinkage long sys_send(int, void __user *, size_t, unsigned);
1107asmlinkage long sys_oldumount(char __user *name);
1108asmlinkage long sys_uselib(const char __user *library);
1109asmlinkage long sys_sysfs(int option,
1110 unsigned long arg1, unsigned long arg2);
1111asmlinkage long sys_fork(void);
1112
1113/* obsolete */
1114asmlinkage long sys_stime(__kernel_old_time_t __user *tptr);
1115asmlinkage long sys_stime32(old_time32_t __user *tptr);
1116
1117/* obsolete */
1118asmlinkage long sys_sigpending(old_sigset_t __user *uset);
1119asmlinkage long sys_sigprocmask(int how, old_sigset_t __user *set,
1120 old_sigset_t __user *oset);
1121#ifdef CONFIG_OLD_SIGSUSPEND
1122asmlinkage long sys_sigsuspend(old_sigset_t mask);
1123#endif
1124
1125#ifdef CONFIG_OLD_SIGSUSPEND3
1126asmlinkage long sys_sigsuspend(int unused1, int unused2, old_sigset_t mask);
1127#endif
1128
1129#ifdef CONFIG_OLD_SIGACTION
1130asmlinkage long sys_sigaction(int, const struct old_sigaction __user *,
1131 struct old_sigaction __user *);
1132#endif
1133asmlinkage long sys_sgetmask(void);
1134asmlinkage long sys_ssetmask(int newmask);
1135asmlinkage long sys_signal(int sig, __sighandler_t handler);
1136
1137/* obsolete */
1138asmlinkage long sys_nice(int increment);
1139
1140/* obsolete */
1141asmlinkage long sys_kexec_file_load(int kernel_fd, int initrd_fd,
1142 unsigned long cmdline_len,
1143 const char __user *cmdline_ptr,
1144 unsigned long flags);
1145
1146/* obsolete */
1147asmlinkage long sys_waitpid(pid_t pid, int __user *stat_addr, int options);
1148
1149/* obsolete */
1150#ifdef CONFIG_HAVE_UID16
1151asmlinkage long sys_chown16(const char __user *filename,
1152 old_uid_t user, old_gid_t group);
1153asmlinkage long sys_lchown16(const char __user *filename,
1154 old_uid_t user, old_gid_t group);
1155asmlinkage long sys_fchown16(unsigned int fd, old_uid_t user, old_gid_t group);
1156asmlinkage long sys_setregid16(old_gid_t rgid, old_gid_t egid);
1157asmlinkage long sys_setgid16(old_gid_t gid);
1158asmlinkage long sys_setreuid16(old_uid_t ruid, old_uid_t euid);
1159asmlinkage long sys_setuid16(old_uid_t uid);
1160asmlinkage long sys_setresuid16(old_uid_t ruid, old_uid_t euid, old_uid_t suid);
1161asmlinkage long sys_getresuid16(old_uid_t __user *ruid,
1162 old_uid_t __user *euid, old_uid_t __user *suid);
1163asmlinkage long sys_setresgid16(old_gid_t rgid, old_gid_t egid, old_gid_t sgid);
1164asmlinkage long sys_getresgid16(old_gid_t __user *rgid,
1165 old_gid_t __user *egid, old_gid_t __user *sgid);
1166asmlinkage long sys_setfsuid16(old_uid_t uid);
1167asmlinkage long sys_setfsgid16(old_gid_t gid);
1168asmlinkage long sys_getgroups16(int gidsetsize, old_gid_t __user *grouplist);
1169asmlinkage long sys_setgroups16(int gidsetsize, old_gid_t __user *grouplist);
1170asmlinkage long sys_getuid16(void);
1171asmlinkage long sys_geteuid16(void);
1172asmlinkage long sys_getgid16(void);
1173asmlinkage long sys_getegid16(void);
1174#endif
1175
1176/* obsolete */
1177asmlinkage long sys_socketcall(int call, unsigned long __user *args);
1178
1179/* obsolete */
1180asmlinkage long sys_stat(const char __user *filename,
1181 struct __old_kernel_stat __user *statbuf);
1182asmlinkage long sys_lstat(const char __user *filename,
1183 struct __old_kernel_stat __user *statbuf);
1184asmlinkage long sys_fstat(unsigned int fd,
1185 struct __old_kernel_stat __user *statbuf);
1186asmlinkage long sys_readlink(const char __user *path,
1187 char __user *buf, int bufsiz);
1188
1189/* obsolete */
1190asmlinkage long sys_old_select(struct sel_arg_struct __user *arg);
1191
1192/* obsolete */
1193asmlinkage long sys_old_readdir(unsigned int, struct old_linux_dirent __user *, unsigned int);
1194
1195/* obsolete */
1196asmlinkage long sys_gethostname(char __user *name, int len);
1197asmlinkage long sys_uname(struct old_utsname __user *);
1198asmlinkage long sys_olduname(struct oldold_utsname __user *);
1199#ifdef __ARCH_WANT_SYS_OLD_GETRLIMIT
1200asmlinkage long sys_old_getrlimit(unsigned int resource, struct rlimit __user *rlim);
1201#endif
1202
1203/* obsolete */
1204asmlinkage long sys_ipc(unsigned int call, int first, unsigned long second,
1205 unsigned long third, void __user *ptr, long fifth);
1206
1207/* obsolete */
1208asmlinkage long sys_mmap_pgoff(unsigned long addr, unsigned long len,
1209 unsigned long prot, unsigned long flags,
1210 unsigned long fd, unsigned long pgoff);
1211asmlinkage long sys_old_mmap(struct mmap_arg_struct __user *arg);
1212
1213
1214/*
1215 * Not a real system call, but a placeholder for syscalls which are
1216 * not implemented -- see kernel/sys_ni.c
1217 */
1218asmlinkage long sys_ni_syscall(void);
1219
1220#endif /* CONFIG_ARCH_HAS_SYSCALL_WRAPPER */
1221
1222asmlinkage long sys_ni_posix_timers(void);
1223
1224/*
1225 * Kernel code should not call syscalls (i.e., sys_xyzyyz()) directly.
1226 * Instead, use one of the functions which work equivalently, such as
1227 * the ksys_xyzyyz() functions prototyped below.
1228 */
1229ssize_t ksys_write(unsigned int fd, const char __user *buf, size_t count);
1230int ksys_fchown(unsigned int fd, uid_t user, gid_t group);
1231ssize_t ksys_read(unsigned int fd, char __user *buf, size_t count);
1232void ksys_sync(void);
1233int ksys_unshare(unsigned long unshare_flags);
1234int ksys_setsid(void);
1235int ksys_sync_file_range(int fd, loff_t offset, loff_t nbytes,
1236 unsigned int flags);
1237ssize_t ksys_pread64(unsigned int fd, char __user *buf, size_t count,
1238 loff_t pos);
1239ssize_t ksys_pwrite64(unsigned int fd, const char __user *buf,
1240 size_t count, loff_t pos);
1241int ksys_fallocate(int fd, int mode, loff_t offset, loff_t len);
1242#ifdef CONFIG_ADVISE_SYSCALLS
1243int ksys_fadvise64_64(int fd, loff_t offset, loff_t len, int advice);
1244#else
1245static inline int ksys_fadvise64_64(int fd, loff_t offset, loff_t len,
1246 int advice)
1247{
1248 return -EINVAL;
1249}
1250#endif
1251unsigned long ksys_mmap_pgoff(unsigned long addr, unsigned long len,
1252 unsigned long prot, unsigned long flags,
1253 unsigned long fd, unsigned long pgoff);
1254ssize_t ksys_readahead(int fd, loff_t offset, size_t count);
1255int ksys_ipc(unsigned int call, int first, unsigned long second,
1256 unsigned long third, void __user * ptr, long fifth);
1257int compat_ksys_ipc(u32 call, int first, int second,
1258 u32 third, u32 ptr, u32 fifth);
1259
1260/*
1261 * The following kernel syscall equivalents are just wrappers to fs-internal
1262 * functions. Therefore, provide stubs to be inlined at the callsites.
1263 */
1264extern int do_fchownat(int dfd, const char __user *filename, uid_t user,
1265 gid_t group, int flag);
1266
1267static inline long ksys_chown(const char __user *filename, uid_t user,
1268 gid_t group)
1269{
1270 return do_fchownat(AT_FDCWD, filename, user, group, 0);
1271}
1272
1273static inline long ksys_lchown(const char __user *filename, uid_t user,
1274 gid_t group)
1275{
1276 return do_fchownat(AT_FDCWD, filename, user, group,
1277 AT_SYMLINK_NOFOLLOW);
1278}
1279
1280int do_sys_ftruncate(unsigned int fd, loff_t length, int small);
1281
1282static inline long ksys_ftruncate(unsigned int fd, loff_t length)
1283{
1284 return do_sys_ftruncate(fd, length, 1);
1285}
1286
1287int do_sys_truncate(const char __user *pathname, loff_t length);
1288
1289static inline long ksys_truncate(const char __user *pathname, loff_t length)
1290{
1291 return do_sys_truncate(pathname, length);
1292}
1293
1294static inline unsigned int ksys_personality(unsigned int personality)
1295{
1296 unsigned int old = current->personality;
1297
1298 if (personality != 0xffffffff)
1299 set_personality(personality);
1300
1301 return old;
1302}
1303
1304/* for __ARCH_WANT_SYS_IPC */
1305long ksys_semtimedop(int semid, struct sembuf __user *tsops,
1306 unsigned int nsops,
1307 const struct __kernel_timespec __user *timeout);
1308long ksys_semget(key_t key, int nsems, int semflg);
1309long ksys_old_semctl(int semid, int semnum, int cmd, unsigned long arg);
1310long ksys_msgget(key_t key, int msgflg);
1311long ksys_old_msgctl(int msqid, int cmd, struct msqid_ds __user *buf);
1312long ksys_msgrcv(int msqid, struct msgbuf __user *msgp, size_t msgsz,
1313 long msgtyp, int msgflg);
1314long ksys_msgsnd(int msqid, struct msgbuf __user *msgp, size_t msgsz,
1315 int msgflg);
1316long ksys_shmget(key_t key, size_t size, int shmflg);
1317long ksys_shmdt(char __user *shmaddr);
1318long ksys_old_shmctl(int shmid, int cmd, struct shmid_ds __user *buf);
1319long compat_ksys_semtimedop(int semid, struct sembuf __user *tsems,
1320 unsigned int nsops,
1321 const struct old_timespec32 __user *timeout);
1322long __do_semtimedop(int semid, struct sembuf *tsems, unsigned int nsops,
1323 const struct timespec64 *timeout,
1324 struct ipc_namespace *ns);
1325
1326int __sys_getsockopt(int fd, int level, int optname, char __user *optval,
1327 int __user *optlen);
1328int __sys_setsockopt(int fd, int level, int optname, char __user *optval,
1329 int optlen);
1330#endif