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