Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * syscalls.h - Linux syscall interfaces (non-arch-specific)
4 *
5 * Copyright (c) 2004 Randy Dunlap
6 * Copyright (c) 2004 Open Source Development Labs
7 */
8
9#ifndef _LINUX_SYSCALLS_H
10#define _LINUX_SYSCALLS_H
11
12struct __aio_sigset;
13struct epoll_event;
14struct iattr;
15struct inode;
16struct iocb;
17struct io_event;
18struct iovec;
19struct __kernel_old_itimerval;
20struct kexec_segment;
21struct linux_dirent;
22struct linux_dirent64;
23struct list_head;
24struct mmap_arg_struct;
25struct msgbuf;
26struct user_msghdr;
27struct mmsghdr;
28struct msqid_ds;
29struct new_utsname;
30struct nfsctl_arg;
31struct __old_kernel_stat;
32struct oldold_utsname;
33struct old_utsname;
34struct pollfd;
35struct rlimit;
36struct rlimit64;
37struct rusage;
38struct sched_param;
39struct sched_attr;
40struct sel_arg_struct;
41struct semaphore;
42struct sembuf;
43struct shmid_ds;
44struct sockaddr;
45struct stat;
46struct stat64;
47struct statfs;
48struct statfs64;
49struct statx;
50struct sysinfo;
51struct timespec;
52struct __kernel_old_timeval;
53struct __kernel_timex;
54struct timezone;
55struct tms;
56struct utimbuf;
57struct mq_attr;
58struct compat_stat;
59struct old_timeval32;
60struct robust_list_head;
61struct futex_waitv;
62struct getcpu_cache;
63struct old_linux_dirent;
64struct perf_event_attr;
65struct file_handle;
66struct sigaltstack;
67struct rseq;
68union bpf_attr;
69struct io_uring_params;
70struct clone_args;
71struct open_how;
72struct mount_attr;
73struct landlock_ruleset_attr;
74struct lsm_ctx;
75enum landlock_rule_type;
76struct cachestat_range;
77struct cachestat;
78struct statmount;
79struct mnt_id_req;
80struct ns_id_req;
81struct xattr_args;
82struct file_attr;
83
84#include <linux/types.h>
85#include <linux/aio_abi.h>
86#include <linux/capability.h>
87#include <linux/signal.h>
88#include <linux/list.h>
89#include <linux/bug.h>
90#include <linux/sem.h>
91#include <asm/siginfo.h>
92#include <linux/unistd.h>
93#include <linux/quota.h>
94#include <linux/key.h>
95#include <linux/personality.h>
96#include <trace/syscall.h>
97
98#ifdef CONFIG_ARCH_HAS_SYSCALL_WRAPPER
99/*
100 * It may be useful for an architecture to override the definitions of the
101 * SYSCALL_DEFINE0() and __SYSCALL_DEFINEx() macros, in particular to use a
102 * different calling convention for syscalls. To allow for that, the prototypes
103 * for the sys_*() functions below will *not* be included if
104 * CONFIG_ARCH_HAS_SYSCALL_WRAPPER is enabled.
105 */
106#include <asm/syscall_wrapper.h>
107#endif /* CONFIG_ARCH_HAS_SYSCALL_WRAPPER */
108
109/*
110 * __MAP - apply a macro to syscall arguments
111 * __MAP(n, m, t1, a1, t2, a2, ..., tn, an) will expand to
112 * m(t1, a1), m(t2, a2), ..., m(tn, an)
113 * The first argument must be equal to the amount of type/name
114 * pairs given. Note that this list of pairs (i.e. the arguments
115 * of __MAP starting at the third one) is in the same format as
116 * for SYSCALL_DEFINE<n>/COMPAT_SYSCALL_DEFINE<n>
117 */
118#define __MAP0(m,...)
119#define __MAP1(m,t,a,...) m(t,a)
120#define __MAP2(m,t,a,...) m(t,a), __MAP1(m,__VA_ARGS__)
121#define __MAP3(m,t,a,...) m(t,a), __MAP2(m,__VA_ARGS__)
122#define __MAP4(m,t,a,...) m(t,a), __MAP3(m,__VA_ARGS__)
123#define __MAP5(m,t,a,...) m(t,a), __MAP4(m,__VA_ARGS__)
124#define __MAP6(m,t,a,...) m(t,a), __MAP5(m,__VA_ARGS__)
125#define __MAP(n,...) __MAP##n(__VA_ARGS__)
126
127#define __SC_DECL(t, a) t a
128#define __TYPE_AS(t, v) __same_type((__force t)0, v)
129#define __TYPE_IS_L(t) (__TYPE_AS(t, 0L))
130#define __TYPE_IS_UL(t) (__TYPE_AS(t, 0UL))
131#define __TYPE_IS_LL(t) (__TYPE_AS(t, 0LL) || __TYPE_AS(t, 0ULL))
132#define __SC_LONG(t, a) __typeof(__builtin_choose_expr(__TYPE_IS_LL(t), 0LL, 0L)) a
133#define __SC_CAST(t, a) (__force t) a
134#define __SC_TYPE(t, a) t
135#define __SC_ARGS(t, a) a
136#define __SC_TEST(t, a) (void)BUILD_BUG_ON_ZERO(!__TYPE_IS_LL(t) && sizeof(t) > sizeof(long))
137
138#ifdef CONFIG_FTRACE_SYSCALLS
139#define __SC_STR_ADECL(t, a) #a
140#define __SC_STR_TDECL(t, a) #t
141
142extern struct trace_event_class event_class_syscall_enter;
143extern struct trace_event_class event_class_syscall_exit;
144extern struct trace_event_functions enter_syscall_print_funcs;
145extern struct trace_event_functions exit_syscall_print_funcs;
146
147#define SYSCALL_TRACE_ENTER_EVENT(sname) \
148 static struct syscall_metadata __syscall_meta_##sname; \
149 static struct trace_event_call __used \
150 event_enter_##sname = { \
151 .class = &event_class_syscall_enter, \
152 { \
153 .name = "sys_enter"#sname, \
154 }, \
155 .event.funcs = &enter_syscall_print_funcs, \
156 .data = (void *)&__syscall_meta_##sname,\
157 .flags = TRACE_EVENT_FL_CAP_ANY, \
158 }; \
159 static struct trace_event_call __used \
160 __section("_ftrace_events") \
161 *__event_enter_##sname = &event_enter_##sname;
162
163#define SYSCALL_TRACE_EXIT_EVENT(sname) \
164 static struct syscall_metadata __syscall_meta_##sname; \
165 static struct trace_event_call __used \
166 event_exit_##sname = { \
167 .class = &event_class_syscall_exit, \
168 { \
169 .name = "sys_exit"#sname, \
170 }, \
171 .event.funcs = &exit_syscall_print_funcs, \
172 .data = (void *)&__syscall_meta_##sname,\
173 .flags = TRACE_EVENT_FL_CAP_ANY, \
174 }; \
175 static struct trace_event_call __used \
176 __section("_ftrace_events") \
177 *__event_exit_##sname = &event_exit_##sname;
178
179#define SYSCALL_METADATA(sname, nb, ...) \
180 static const char *types_##sname[] = { \
181 __MAP(nb,__SC_STR_TDECL,__VA_ARGS__) \
182 }; \
183 static const char *args_##sname[] = { \
184 __MAP(nb,__SC_STR_ADECL,__VA_ARGS__) \
185 }; \
186 SYSCALL_TRACE_ENTER_EVENT(sname); \
187 SYSCALL_TRACE_EXIT_EVENT(sname); \
188 static struct syscall_metadata __used \
189 __syscall_meta_##sname = { \
190 .name = "sys"#sname, \
191 .syscall_nr = -1, /* Filled in at boot */ \
192 .nb_args = nb, \
193 .types = nb ? types_##sname : NULL, \
194 .args = nb ? args_##sname : NULL, \
195 .enter_event = &event_enter_##sname, \
196 .exit_event = &event_exit_##sname, \
197 .enter_fields = LIST_HEAD_INIT(__syscall_meta_##sname.enter_fields), \
198 }; \
199 static struct syscall_metadata __used \
200 __section("__syscalls_metadata") \
201 *__p_syscall_meta_##sname = &__syscall_meta_##sname;
202
203static inline int is_syscall_trace_event(struct trace_event_call *tp_event)
204{
205 return tp_event->class == &event_class_syscall_enter ||
206 tp_event->class == &event_class_syscall_exit;
207}
208
209#else
210#define SYSCALL_METADATA(sname, nb, ...)
211
212static inline int is_syscall_trace_event(struct trace_event_call *tp_event)
213{
214 return 0;
215}
216#endif
217
218#ifndef SYSCALL_DEFINE0
219#define SYSCALL_DEFINE0(sname) \
220 SYSCALL_METADATA(_##sname, 0); \
221 asmlinkage long sys_##sname(void); \
222 ALLOW_ERROR_INJECTION(sys_##sname, ERRNO); \
223 asmlinkage long sys_##sname(void)
224#endif /* SYSCALL_DEFINE0 */
225
226#define SYSCALL_DEFINE1(name, ...) SYSCALL_DEFINEx(1, _##name, __VA_ARGS__)
227#define SYSCALL_DEFINE2(name, ...) SYSCALL_DEFINEx(2, _##name, __VA_ARGS__)
228#define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__)
229#define SYSCALL_DEFINE4(name, ...) SYSCALL_DEFINEx(4, _##name, __VA_ARGS__)
230#define SYSCALL_DEFINE5(name, ...) SYSCALL_DEFINEx(5, _##name, __VA_ARGS__)
231#define SYSCALL_DEFINE6(name, ...) SYSCALL_DEFINEx(6, _##name, __VA_ARGS__)
232
233#define SYSCALL_DEFINE_MAXARGS 6
234
235#define SYSCALL_DEFINEx(x, sname, ...) \
236 SYSCALL_METADATA(sname, x, __VA_ARGS__) \
237 __SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
238
239#define __PROTECT(...) asmlinkage_protect(__VA_ARGS__)
240
241/*
242 * The asmlinkage stub is aliased to a function named __se_sys_*() which
243 * sign-extends 32-bit ints to longs whenever needed. The actual work is
244 * done within __do_sys_*().
245 */
246#ifndef __SYSCALL_DEFINEx
247#define __SYSCALL_DEFINEx(x, name, ...) \
248 __diag_push(); \
249 __diag_ignore(GCC, 8, "-Wattribute-alias", \
250 "Type aliasing is used to sanitize syscall arguments");\
251 asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \
252 __attribute__((alias(__stringify(__se_sys##name)))); \
253 ALLOW_ERROR_INJECTION(sys##name, ERRNO); \
254 static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));\
255 asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \
256 asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
257 { \
258 long ret = __do_sys##name(__MAP(x,__SC_CAST,__VA_ARGS__));\
259 __MAP(x,__SC_TEST,__VA_ARGS__); \
260 __PROTECT(x, ret,__MAP(x,__SC_ARGS,__VA_ARGS__)); \
261 return ret; \
262 } \
263 __diag_pop(); \
264 static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))
265#endif /* __SYSCALL_DEFINEx */
266
267/* For split 64-bit arguments on 32-bit architectures */
268#ifdef __LITTLE_ENDIAN
269#define SC_ARG64(name) u32, name##_lo, u32, name##_hi
270#else
271#define SC_ARG64(name) u32, name##_hi, u32, name##_lo
272#endif
273#define SC_VAL64(type, name) ((type) name##_hi << 32 | name##_lo)
274
275#ifdef CONFIG_COMPAT
276#define SYSCALL32_DEFINE0 COMPAT_SYSCALL_DEFINE0
277#define SYSCALL32_DEFINE1 COMPAT_SYSCALL_DEFINE1
278#define SYSCALL32_DEFINE2 COMPAT_SYSCALL_DEFINE2
279#define SYSCALL32_DEFINE3 COMPAT_SYSCALL_DEFINE3
280#define SYSCALL32_DEFINE4 COMPAT_SYSCALL_DEFINE4
281#define SYSCALL32_DEFINE5 COMPAT_SYSCALL_DEFINE5
282#define SYSCALL32_DEFINE6 COMPAT_SYSCALL_DEFINE6
283#else
284#define SYSCALL32_DEFINE0 SYSCALL_DEFINE0
285#define SYSCALL32_DEFINE1 SYSCALL_DEFINE1
286#define SYSCALL32_DEFINE2 SYSCALL_DEFINE2
287#define SYSCALL32_DEFINE3 SYSCALL_DEFINE3
288#define SYSCALL32_DEFINE4 SYSCALL_DEFINE4
289#define SYSCALL32_DEFINE5 SYSCALL_DEFINE5
290#define SYSCALL32_DEFINE6 SYSCALL_DEFINE6
291#endif
292
293/*
294 * These syscall function prototypes are kept in the same order as
295 * include/uapi/asm-generic/unistd.h. Architecture specific entries go below,
296 * followed by deprecated or obsolete system calls.
297 *
298 * Please note that these prototypes here are only provided for information
299 * purposes, for static analysis, and for linking from the syscall table.
300 * These functions should not be called elsewhere from kernel code.
301 *
302 * As the syscall calling convention may be different from the default
303 * for architectures overriding the syscall calling convention, do not
304 * include the prototypes if CONFIG_ARCH_HAS_SYSCALL_WRAPPER is enabled.
305 */
306#ifndef CONFIG_ARCH_HAS_SYSCALL_WRAPPER
307asmlinkage long sys_io_setup(unsigned nr_reqs, aio_context_t __user *ctx);
308asmlinkage long sys_io_destroy(aio_context_t ctx);
309asmlinkage long sys_io_submit(aio_context_t, long,
310 struct iocb __user * __user *);
311asmlinkage long sys_io_cancel(aio_context_t ctx_id, struct iocb __user *iocb,
312 struct io_event __user *result);
313asmlinkage long sys_io_getevents(aio_context_t ctx_id,
314 long min_nr,
315 long nr,
316 struct io_event __user *events,
317 struct __kernel_timespec __user *timeout);
318asmlinkage long sys_io_getevents_time32(__u32 ctx_id,
319 __s32 min_nr,
320 __s32 nr,
321 struct io_event __user *events,
322 struct old_timespec32 __user *timeout);
323asmlinkage long sys_io_pgetevents(aio_context_t ctx_id,
324 long min_nr,
325 long nr,
326 struct io_event __user *events,
327 struct __kernel_timespec __user *timeout,
328 const struct __aio_sigset __user *sig);
329asmlinkage long sys_io_pgetevents_time32(aio_context_t ctx_id,
330 long min_nr,
331 long nr,
332 struct io_event __user *events,
333 struct old_timespec32 __user *timeout,
334 const struct __aio_sigset __user *sig);
335asmlinkage long sys_io_uring_setup(u32 entries,
336 struct io_uring_params __user *p);
337asmlinkage long sys_io_uring_enter(unsigned int fd, u32 to_submit,
338 u32 min_complete, u32 flags,
339 const void __user *argp, size_t argsz);
340asmlinkage long sys_io_uring_register(unsigned int fd, unsigned int op,
341 void __user *arg, unsigned int nr_args);
342asmlinkage long sys_setxattr(const char __user *path, const char __user *name,
343 const void __user *value, size_t size, int flags);
344asmlinkage long sys_setxattrat(int dfd, const char __user *path, unsigned int at_flags,
345 const char __user *name,
346 const struct xattr_args __user *args, size_t size);
347asmlinkage long sys_lsetxattr(const char __user *path, const char __user *name,
348 const void __user *value, size_t size, int flags);
349asmlinkage long sys_fsetxattr(int fd, const char __user *name,
350 const void __user *value, size_t size, int flags);
351asmlinkage long sys_getxattr(const char __user *path, const char __user *name,
352 void __user *value, size_t size);
353asmlinkage long sys_getxattrat(int dfd, const char __user *path, unsigned int at_flags,
354 const char __user *name,
355 struct xattr_args __user *args, size_t size);
356asmlinkage long sys_lgetxattr(const char __user *path, const char __user *name,
357 void __user *value, size_t size);
358asmlinkage long sys_fgetxattr(int fd, const char __user *name,
359 void __user *value, size_t size);
360asmlinkage long sys_listxattr(const char __user *path, char __user *list,
361 size_t size);
362asmlinkage long sys_listxattrat(int dfd, const char __user *path,
363 unsigned int at_flags,
364 char __user *list, size_t size);
365asmlinkage long sys_llistxattr(const char __user *path, char __user *list,
366 size_t size);
367asmlinkage long sys_flistxattr(int fd, char __user *list, size_t size);
368asmlinkage long sys_removexattr(const char __user *path,
369 const char __user *name);
370asmlinkage long sys_removexattrat(int dfd, const char __user *path,
371 unsigned int at_flags,
372 const char __user *name);
373asmlinkage long sys_lremovexattr(const char __user *path,
374 const char __user *name);
375asmlinkage long sys_fremovexattr(int fd, const char __user *name);
376asmlinkage long sys_file_getattr(int dfd, const char __user *filename,
377 struct file_attr __user *attr, size_t usize,
378 unsigned int at_flags);
379asmlinkage long sys_file_setattr(int dfd, const char __user *filename,
380 struct file_attr __user *attr, size_t usize,
381 unsigned int at_flags);
382asmlinkage long sys_getcwd(char __user *buf, unsigned long size);
383asmlinkage long sys_eventfd2(unsigned int count, int flags);
384asmlinkage long sys_epoll_create1(int flags);
385asmlinkage long sys_epoll_ctl(int epfd, int op, int fd,
386 struct epoll_event __user *event);
387asmlinkage long sys_epoll_pwait(int epfd, struct epoll_event __user *events,
388 int maxevents, int timeout,
389 const sigset_t __user *sigmask,
390 size_t sigsetsize);
391asmlinkage long sys_epoll_pwait2(int epfd, struct epoll_event __user *events,
392 int maxevents,
393 const struct __kernel_timespec __user *timeout,
394 const sigset_t __user *sigmask,
395 size_t sigsetsize);
396asmlinkage long sys_dup(unsigned int fildes);
397asmlinkage long sys_dup3(unsigned int oldfd, unsigned int newfd, int flags);
398asmlinkage long sys_fcntl(unsigned int fd, unsigned int cmd, unsigned long arg);
399#if BITS_PER_LONG == 32
400asmlinkage long sys_fcntl64(unsigned int fd,
401 unsigned int cmd, unsigned long arg);
402#endif
403asmlinkage long sys_inotify_init1(int flags);
404asmlinkage long sys_inotify_add_watch(int fd, const char __user *path,
405 u32 mask);
406asmlinkage long sys_inotify_rm_watch(int fd, __s32 wd);
407asmlinkage long sys_ioctl(unsigned int fd, unsigned int cmd,
408 unsigned long arg);
409asmlinkage long sys_ioprio_set(int which, int who, int ioprio);
410asmlinkage long sys_ioprio_get(int which, int who);
411asmlinkage long sys_flock(unsigned int fd, unsigned int cmd);
412asmlinkage long sys_mknodat(int dfd, const char __user * filename, umode_t mode,
413 unsigned dev);
414asmlinkage long sys_mkdirat(int dfd, const char __user * pathname, umode_t mode);
415asmlinkage long sys_unlinkat(int dfd, const char __user * pathname, int flag);
416asmlinkage long sys_symlinkat(const char __user * oldname,
417 int newdfd, const char __user * newname);
418asmlinkage long sys_linkat(int olddfd, const char __user *oldname,
419 int newdfd, const char __user *newname, int flags);
420asmlinkage long sys_renameat(int olddfd, const char __user * oldname,
421 int newdfd, const char __user * newname);
422asmlinkage long sys_umount(char __user *name, int flags);
423asmlinkage long sys_mount(char __user *dev_name, char __user *dir_name,
424 char __user *type, unsigned long flags,
425 void __user *data);
426asmlinkage long sys_pivot_root(const char __user *new_root,
427 const char __user *put_old);
428asmlinkage long sys_statfs(const char __user * path,
429 struct statfs __user *buf);
430asmlinkage long sys_statfs64(const char __user *path, size_t sz,
431 struct statfs64 __user *buf);
432asmlinkage long sys_fstatfs(unsigned int fd, struct statfs __user *buf);
433asmlinkage long sys_fstatfs64(unsigned int fd, size_t sz,
434 struct statfs64 __user *buf);
435asmlinkage long sys_statmount(const struct mnt_id_req __user *req,
436 struct statmount __user *buf, size_t bufsize,
437 unsigned int flags);
438asmlinkage long sys_listmount(const struct mnt_id_req __user *req,
439 u64 __user *mnt_ids, size_t nr_mnt_ids,
440 unsigned int flags);
441asmlinkage long sys_listns(const struct ns_id_req __user *req,
442 u64 __user *ns_ids, size_t nr_ns_ids,
443 unsigned int flags);
444asmlinkage long sys_truncate(const char __user *path, long length);
445asmlinkage long sys_ftruncate(unsigned int fd, off_t length);
446#if BITS_PER_LONG == 32
447asmlinkage long sys_truncate64(const char __user *path, loff_t length);
448asmlinkage long sys_ftruncate64(unsigned int fd, loff_t length);
449#endif
450asmlinkage long sys_fallocate(int fd, int mode, loff_t offset, loff_t len);
451asmlinkage long sys_faccessat(int dfd, const char __user *filename, int mode);
452asmlinkage long sys_faccessat2(int dfd, const char __user *filename, int mode,
453 int flags);
454asmlinkage long sys_chdir(const char __user *filename);
455asmlinkage long sys_fchdir(unsigned int fd);
456asmlinkage long sys_chroot(const char __user *filename);
457asmlinkage long sys_fchmod(unsigned int fd, umode_t mode);
458asmlinkage long sys_fchmodat(int dfd, const char __user *filename,
459 umode_t mode);
460asmlinkage long sys_fchmodat2(int dfd, const char __user *filename,
461 umode_t mode, unsigned int flags);
462asmlinkage long sys_fchownat(int dfd, const char __user *filename, uid_t user,
463 gid_t group, int flag);
464asmlinkage long sys_fchown(unsigned int fd, uid_t user, gid_t group);
465asmlinkage long sys_openat(int dfd, const char __user *filename, int flags,
466 umode_t mode);
467asmlinkage long sys_openat2(int dfd, const char __user *filename,
468 struct open_how __user *how, size_t size);
469asmlinkage long sys_close(unsigned int fd);
470asmlinkage long sys_close_range(unsigned int fd, unsigned int max_fd,
471 unsigned int flags);
472asmlinkage long sys_vhangup(void);
473asmlinkage long sys_pipe2(int __user *fildes, int flags);
474asmlinkage long sys_quotactl(unsigned int cmd, const char __user *special,
475 qid_t id, void __user *addr);
476asmlinkage long sys_quotactl_fd(unsigned int fd, unsigned int cmd, qid_t id,
477 void __user *addr);
478asmlinkage long sys_getdents64(unsigned int fd,
479 struct linux_dirent64 __user *dirent,
480 unsigned int count);
481asmlinkage long sys_llseek(unsigned int fd, unsigned long offset_high,
482 unsigned long offset_low, loff_t __user *result,
483 unsigned int whence);
484asmlinkage long sys_lseek(unsigned int fd, off_t offset,
485 unsigned int whence);
486asmlinkage long sys_read(unsigned int fd, char __user *buf, size_t count);
487asmlinkage long sys_write(unsigned int fd, const char __user *buf,
488 size_t count);
489asmlinkage long sys_readv(unsigned long fd,
490 const struct iovec __user *vec,
491 unsigned long vlen);
492asmlinkage long sys_writev(unsigned long fd,
493 const struct iovec __user *vec,
494 unsigned long vlen);
495asmlinkage long sys_pread64(unsigned int fd, char __user *buf,
496 size_t count, loff_t pos);
497asmlinkage long sys_pwrite64(unsigned int fd, const char __user *buf,
498 size_t count, loff_t pos);
499asmlinkage long sys_preadv(unsigned long fd, const struct iovec __user *vec,
500 unsigned long vlen, unsigned long pos_l, unsigned long pos_h);
501asmlinkage long sys_pwritev(unsigned long fd, const struct iovec __user *vec,
502 unsigned long vlen, unsigned long pos_l, unsigned long pos_h);
503asmlinkage long sys_sendfile64(int out_fd, int in_fd,
504 loff_t __user *offset, size_t count);
505asmlinkage long sys_pselect6(int, fd_set __user *, fd_set __user *,
506 fd_set __user *, struct __kernel_timespec __user *,
507 void __user *);
508asmlinkage long sys_pselect6_time32(int, fd_set __user *, fd_set __user *,
509 fd_set __user *, struct old_timespec32 __user *,
510 void __user *);
511asmlinkage long sys_ppoll(struct pollfd __user *, unsigned int,
512 struct __kernel_timespec __user *, const sigset_t __user *,
513 size_t);
514asmlinkage long sys_ppoll_time32(struct pollfd __user *, unsigned int,
515 struct old_timespec32 __user *, const sigset_t __user *,
516 size_t);
517asmlinkage long sys_signalfd4(int ufd, sigset_t __user *user_mask, size_t sizemask, int flags);
518asmlinkage long sys_vmsplice(int fd, const struct iovec __user *iov,
519 unsigned long nr_segs, unsigned int flags);
520asmlinkage long sys_splice(int fd_in, loff_t __user *off_in,
521 int fd_out, loff_t __user *off_out,
522 size_t len, unsigned int flags);
523asmlinkage long sys_tee(int fdin, int fdout, size_t len, unsigned int flags);
524asmlinkage long sys_readlinkat(int dfd, const char __user *path, char __user *buf,
525 int bufsiz);
526asmlinkage long sys_newfstatat(int dfd, const char __user *filename,
527 struct stat __user *statbuf, int flag);
528asmlinkage long sys_newfstat(unsigned int fd, struct stat __user *statbuf);
529#if defined(__ARCH_WANT_STAT64) || defined(__ARCH_WANT_COMPAT_STAT64)
530asmlinkage long sys_fstat64(unsigned long fd, struct stat64 __user *statbuf);
531asmlinkage long sys_fstatat64(int dfd, const char __user *filename,
532 struct stat64 __user *statbuf, int flag);
533#endif
534asmlinkage long sys_sync(void);
535asmlinkage long sys_fsync(unsigned int fd);
536asmlinkage long sys_fdatasync(unsigned int fd);
537asmlinkage long sys_sync_file_range2(int fd, unsigned int flags,
538 loff_t offset, loff_t nbytes);
539asmlinkage long sys_sync_file_range(int fd, loff_t offset, loff_t nbytes,
540 unsigned int flags);
541asmlinkage long sys_timerfd_create(int clockid, int flags);
542asmlinkage long sys_timerfd_settime(int ufd, int flags,
543 const struct __kernel_itimerspec __user *utmr,
544 struct __kernel_itimerspec __user *otmr);
545asmlinkage long sys_timerfd_gettime(int ufd, struct __kernel_itimerspec __user *otmr);
546asmlinkage long sys_timerfd_gettime32(int ufd,
547 struct old_itimerspec32 __user *otmr);
548asmlinkage long sys_timerfd_settime32(int ufd, int flags,
549 const struct old_itimerspec32 __user *utmr,
550 struct old_itimerspec32 __user *otmr);
551asmlinkage long sys_utimensat(int dfd, const char __user *filename,
552 struct __kernel_timespec __user *utimes,
553 int flags);
554asmlinkage long sys_utimensat_time32(unsigned int dfd,
555 const char __user *filename,
556 struct old_timespec32 __user *t, int flags);
557asmlinkage long sys_acct(const char __user *name);
558asmlinkage long sys_capget(cap_user_header_t header,
559 cap_user_data_t dataptr);
560asmlinkage long sys_capset(cap_user_header_t header,
561 const cap_user_data_t data);
562asmlinkage long sys_personality(unsigned int personality);
563asmlinkage long sys_exit(int error_code);
564asmlinkage long sys_exit_group(int error_code);
565asmlinkage long sys_waitid(int which, pid_t pid,
566 struct siginfo __user *infop,
567 int options, struct rusage __user *ru);
568asmlinkage long sys_set_tid_address(int __user *tidptr);
569asmlinkage long sys_unshare(unsigned long unshare_flags);
570asmlinkage long sys_futex(u32 __user *uaddr, int op, u32 val,
571 const struct __kernel_timespec __user *utime,
572 u32 __user *uaddr2, u32 val3);
573asmlinkage long sys_futex_time32(u32 __user *uaddr, int op, u32 val,
574 const struct old_timespec32 __user *utime,
575 u32 __user *uaddr2, u32 val3);
576asmlinkage long sys_get_robust_list(int pid,
577 struct robust_list_head __user * __user *head_ptr,
578 size_t __user *len_ptr);
579asmlinkage long sys_set_robust_list(struct robust_list_head __user *head,
580 size_t len);
581
582asmlinkage long sys_futex_waitv(struct futex_waitv __user *waiters,
583 unsigned int nr_futexes, unsigned int flags,
584 struct __kernel_timespec __user *timeout, clockid_t clockid);
585
586asmlinkage long sys_futex_wake(void __user *uaddr, unsigned long mask, int nr, unsigned int flags);
587
588asmlinkage long sys_futex_wait(void __user *uaddr, unsigned long val, unsigned long mask,
589 unsigned int flags, struct __kernel_timespec __user *timespec,
590 clockid_t clockid);
591
592asmlinkage long sys_futex_requeue(struct futex_waitv __user *waiters,
593 unsigned int flags, int nr_wake, int nr_requeue);
594
595asmlinkage long sys_nanosleep(struct __kernel_timespec __user *rqtp,
596 struct __kernel_timespec __user *rmtp);
597asmlinkage long sys_nanosleep_time32(struct old_timespec32 __user *rqtp,
598 struct old_timespec32 __user *rmtp);
599asmlinkage long sys_getitimer(int which, struct __kernel_old_itimerval __user *value);
600asmlinkage long sys_setitimer(int which,
601 struct __kernel_old_itimerval __user *value,
602 struct __kernel_old_itimerval __user *ovalue);
603asmlinkage long sys_kexec_load(unsigned long entry, unsigned long nr_segments,
604 struct kexec_segment __user *segments,
605 unsigned long flags);
606asmlinkage long sys_init_module(void __user *umod, unsigned long len,
607 const char __user *uargs);
608asmlinkage long sys_delete_module(const char __user *name_user,
609 unsigned int flags);
610asmlinkage long sys_timer_create(clockid_t which_clock,
611 struct sigevent __user *timer_event_spec,
612 timer_t __user * created_timer_id);
613asmlinkage long sys_timer_gettime(timer_t timer_id,
614 struct __kernel_itimerspec __user *setting);
615asmlinkage long sys_timer_getoverrun(timer_t timer_id);
616asmlinkage long sys_timer_settime(timer_t timer_id, int flags,
617 const struct __kernel_itimerspec __user *new_setting,
618 struct __kernel_itimerspec __user *old_setting);
619asmlinkage long sys_timer_delete(timer_t timer_id);
620asmlinkage long sys_clock_settime(clockid_t which_clock,
621 const struct __kernel_timespec __user *tp);
622asmlinkage long sys_clock_gettime(clockid_t which_clock,
623 struct __kernel_timespec __user *tp);
624asmlinkage long sys_clock_getres(clockid_t which_clock,
625 struct __kernel_timespec __user *tp);
626asmlinkage long sys_clock_nanosleep(clockid_t which_clock, int flags,
627 const struct __kernel_timespec __user *rqtp,
628 struct __kernel_timespec __user *rmtp);
629asmlinkage long sys_timer_gettime32(timer_t timer_id,
630 struct old_itimerspec32 __user *setting);
631asmlinkage long sys_timer_settime32(timer_t timer_id, int flags,
632 struct old_itimerspec32 __user *new,
633 struct old_itimerspec32 __user *old);
634asmlinkage long sys_clock_settime32(clockid_t which_clock,
635 struct old_timespec32 __user *tp);
636asmlinkage long sys_clock_gettime32(clockid_t which_clock,
637 struct old_timespec32 __user *tp);
638asmlinkage long sys_clock_getres_time32(clockid_t which_clock,
639 struct old_timespec32 __user *tp);
640asmlinkage long sys_clock_nanosleep_time32(clockid_t which_clock, int flags,
641 struct old_timespec32 __user *rqtp,
642 struct old_timespec32 __user *rmtp);
643asmlinkage long sys_syslog(int type, char __user *buf, int len);
644asmlinkage long sys_ptrace(long request, long pid, unsigned long addr,
645 unsigned long data);
646asmlinkage long sys_sched_setparam(pid_t pid,
647 struct sched_param __user *param);
648asmlinkage long sys_sched_setscheduler(pid_t pid, int policy,
649 struct sched_param __user *param);
650asmlinkage long sys_sched_getscheduler(pid_t pid);
651asmlinkage long sys_sched_getparam(pid_t pid,
652 struct sched_param __user *param);
653asmlinkage long sys_sched_setaffinity(pid_t pid, unsigned int len,
654 unsigned long __user *user_mask_ptr);
655asmlinkage long sys_sched_getaffinity(pid_t pid, unsigned int len,
656 unsigned long __user *user_mask_ptr);
657asmlinkage long sys_sched_yield(void);
658asmlinkage long sys_sched_get_priority_max(int policy);
659asmlinkage long sys_sched_get_priority_min(int policy);
660asmlinkage long sys_sched_rr_get_interval(pid_t pid,
661 struct __kernel_timespec __user *interval);
662asmlinkage long sys_sched_rr_get_interval_time32(pid_t pid,
663 struct old_timespec32 __user *interval);
664asmlinkage long sys_restart_syscall(void);
665asmlinkage long sys_kill(pid_t pid, int sig);
666asmlinkage long sys_tkill(pid_t pid, int sig);
667asmlinkage long sys_tgkill(pid_t tgid, pid_t pid, int sig);
668asmlinkage long sys_sigaltstack(const struct sigaltstack __user *uss,
669 struct sigaltstack __user *uoss);
670asmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize);
671#ifndef CONFIG_ODD_RT_SIGACTION
672asmlinkage long sys_rt_sigaction(int,
673 const struct sigaction __user *,
674 struct sigaction __user *,
675 size_t);
676#endif
677asmlinkage long sys_rt_sigprocmask(int how, sigset_t __user *set,
678 sigset_t __user *oset, size_t sigsetsize);
679asmlinkage long sys_rt_sigpending(sigset_t __user *set, size_t sigsetsize);
680asmlinkage long sys_rt_sigtimedwait(const sigset_t __user *uthese,
681 siginfo_t __user *uinfo,
682 const struct __kernel_timespec __user *uts,
683 size_t sigsetsize);
684asmlinkage long sys_rt_sigtimedwait_time32(const sigset_t __user *uthese,
685 siginfo_t __user *uinfo,
686 const struct old_timespec32 __user *uts,
687 size_t sigsetsize);
688asmlinkage long sys_rt_sigqueueinfo(pid_t pid, int sig, siginfo_t __user *uinfo);
689asmlinkage long sys_setpriority(int which, int who, int niceval);
690asmlinkage long sys_getpriority(int which, int who);
691asmlinkage long sys_reboot(int magic1, int magic2, unsigned int cmd,
692 void __user *arg);
693asmlinkage long sys_setregid(gid_t rgid, gid_t egid);
694asmlinkage long sys_setgid(gid_t gid);
695asmlinkage long sys_setreuid(uid_t ruid, uid_t euid);
696asmlinkage long sys_setuid(uid_t uid);
697asmlinkage long sys_setresuid(uid_t ruid, uid_t euid, uid_t suid);
698asmlinkage long sys_getresuid(uid_t __user *ruid, uid_t __user *euid, uid_t __user *suid);
699asmlinkage long sys_setresgid(gid_t rgid, gid_t egid, gid_t sgid);
700asmlinkage long sys_getresgid(gid_t __user *rgid, gid_t __user *egid, gid_t __user *sgid);
701asmlinkage long sys_setfsuid(uid_t uid);
702asmlinkage long sys_setfsgid(gid_t gid);
703asmlinkage long sys_times(struct tms __user *tbuf);
704asmlinkage long sys_setpgid(pid_t pid, pid_t pgid);
705asmlinkage long sys_getpgid(pid_t pid);
706asmlinkage long sys_getsid(pid_t pid);
707asmlinkage long sys_setsid(void);
708asmlinkage long sys_getgroups(int gidsetsize, gid_t __user *grouplist);
709asmlinkage long sys_setgroups(int gidsetsize, gid_t __user *grouplist);
710asmlinkage long sys_newuname(struct new_utsname __user *name);
711asmlinkage long sys_sethostname(char __user *name, int len);
712asmlinkage long sys_setdomainname(char __user *name, int len);
713asmlinkage long sys_getrlimit(unsigned int resource,
714 struct rlimit __user *rlim);
715asmlinkage long sys_setrlimit(unsigned int resource,
716 struct rlimit __user *rlim);
717asmlinkage long sys_getrusage(int who, struct rusage __user *ru);
718asmlinkage long sys_umask(int mask);
719asmlinkage long sys_prctl(int option, unsigned long arg2, unsigned long arg3,
720 unsigned long arg4, unsigned long arg5);
721asmlinkage long sys_getcpu(unsigned __user *cpu, unsigned __user *node, struct getcpu_cache __user *cache);
722asmlinkage long sys_gettimeofday(struct __kernel_old_timeval __user *tv,
723 struct timezone __user *tz);
724asmlinkage long sys_settimeofday(struct __kernel_old_timeval __user *tv,
725 struct timezone __user *tz);
726asmlinkage long sys_adjtimex(struct __kernel_timex __user *txc_p);
727asmlinkage long sys_adjtimex_time32(struct old_timex32 __user *txc_p);
728asmlinkage long sys_getpid(void);
729asmlinkage long sys_getppid(void);
730asmlinkage long sys_getuid(void);
731asmlinkage long sys_geteuid(void);
732asmlinkage long sys_getgid(void);
733asmlinkage long sys_getegid(void);
734asmlinkage long sys_gettid(void);
735asmlinkage long sys_sysinfo(struct sysinfo __user *info);
736asmlinkage long sys_mq_open(const char __user *name, int oflag, umode_t mode, struct mq_attr __user *attr);
737asmlinkage long sys_mq_unlink(const char __user *name);
738asmlinkage 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);
739asmlinkage 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);
740asmlinkage long sys_mq_notify(mqd_t mqdes, const struct sigevent __user *notification);
741asmlinkage long sys_mq_getsetattr(mqd_t mqdes, const struct mq_attr __user *mqstat, struct mq_attr __user *omqstat);
742asmlinkage long sys_mq_timedreceive_time32(mqd_t mqdes,
743 char __user *u_msg_ptr,
744 unsigned int msg_len, unsigned int __user *u_msg_prio,
745 const struct old_timespec32 __user *u_abs_timeout);
746asmlinkage long sys_mq_timedsend_time32(mqd_t mqdes,
747 const char __user *u_msg_ptr,
748 unsigned int msg_len, unsigned int msg_prio,
749 const struct old_timespec32 __user *u_abs_timeout);
750asmlinkage long sys_msgget(key_t key, int msgflg);
751asmlinkage long sys_old_msgctl(int msqid, int cmd, struct msqid_ds __user *buf);
752asmlinkage long sys_msgctl(int msqid, int cmd, struct msqid_ds __user *buf);
753asmlinkage long sys_msgrcv(int msqid, struct msgbuf __user *msgp,
754 size_t msgsz, long msgtyp, int msgflg);
755asmlinkage long sys_msgsnd(int msqid, struct msgbuf __user *msgp,
756 size_t msgsz, int msgflg);
757asmlinkage long sys_semget(key_t key, int nsems, int semflg);
758asmlinkage long sys_semctl(int semid, int semnum, int cmd, unsigned long arg);
759asmlinkage long sys_old_semctl(int semid, int semnum, int cmd, unsigned long arg);
760asmlinkage long sys_semtimedop(int semid, struct sembuf __user *sops,
761 unsigned nsops,
762 const struct __kernel_timespec __user *timeout);
763asmlinkage long sys_semtimedop_time32(int semid, struct sembuf __user *sops,
764 unsigned nsops,
765 const struct old_timespec32 __user *timeout);
766asmlinkage long sys_semop(int semid, struct sembuf __user *sops,
767 unsigned nsops);
768asmlinkage long sys_shmget(key_t key, size_t size, int flag);
769asmlinkage long sys_old_shmctl(int shmid, int cmd, struct shmid_ds __user *buf);
770asmlinkage long sys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf);
771asmlinkage long sys_shmat(int shmid, char __user *shmaddr, int shmflg);
772asmlinkage long sys_shmdt(char __user *shmaddr);
773asmlinkage long sys_socket(int, int, int);
774asmlinkage long sys_socketpair(int, int, int, int __user *);
775asmlinkage long sys_bind(int, struct sockaddr __user *, int);
776asmlinkage long sys_listen(int, int);
777asmlinkage long sys_accept(int, struct sockaddr __user *, int __user *);
778asmlinkage long sys_connect(int, struct sockaddr __user *, int);
779asmlinkage long sys_getsockname(int, struct sockaddr __user *, int __user *);
780asmlinkage long sys_getpeername(int, struct sockaddr __user *, int __user *);
781asmlinkage long sys_sendto(int, void __user *, size_t, unsigned,
782 struct sockaddr __user *, int);
783asmlinkage long sys_recvfrom(int, void __user *, size_t, unsigned,
784 struct sockaddr __user *, int __user *);
785asmlinkage long sys_setsockopt(int fd, int level, int optname,
786 char __user *optval, int optlen);
787asmlinkage long sys_getsockopt(int fd, int level, int optname,
788 char __user *optval, int __user *optlen);
789asmlinkage long sys_shutdown(int, int);
790asmlinkage long sys_sendmsg(int fd, struct user_msghdr __user *msg, unsigned flags);
791asmlinkage long sys_recvmsg(int fd, struct user_msghdr __user *msg, unsigned flags);
792asmlinkage long sys_readahead(int fd, loff_t offset, size_t count);
793asmlinkage long sys_brk(unsigned long brk);
794asmlinkage long sys_munmap(unsigned long addr, size_t len);
795asmlinkage long sys_mremap(unsigned long addr,
796 unsigned long old_len, unsigned long new_len,
797 unsigned long flags, unsigned long new_addr);
798asmlinkage long sys_add_key(const char __user *_type,
799 const char __user *_description,
800 const void __user *_payload,
801 size_t plen,
802 key_serial_t destringid);
803asmlinkage long sys_request_key(const char __user *_type,
804 const char __user *_description,
805 const char __user *_callout_info,
806 key_serial_t destringid);
807asmlinkage long sys_keyctl(int cmd, unsigned long arg2, unsigned long arg3,
808 unsigned long arg4, unsigned long arg5);
809#ifdef CONFIG_CLONE_BACKWARDS
810asmlinkage long sys_clone(unsigned long, unsigned long, int __user *, unsigned long,
811 int __user *);
812#else
813#ifdef CONFIG_CLONE_BACKWARDS3
814asmlinkage long sys_clone(unsigned long, unsigned long, int, int __user *,
815 int __user *, unsigned long);
816#else
817asmlinkage long sys_clone(unsigned long, unsigned long, int __user *,
818 int __user *, unsigned long);
819#endif
820#endif
821
822asmlinkage long sys_clone3(struct clone_args __user *uargs, size_t size);
823
824asmlinkage long sys_execve(const char __user *filename,
825 const char __user *const __user *argv,
826 const char __user *const __user *envp);
827asmlinkage long sys_fadvise64_64(int fd, loff_t offset, loff_t len, int advice);
828
829/* CONFIG_MMU only */
830asmlinkage long sys_swapon(const char __user *specialfile, int swap_flags);
831asmlinkage long sys_swapoff(const char __user *specialfile);
832asmlinkage long sys_mprotect(unsigned long start, size_t len,
833 unsigned long prot);
834asmlinkage long sys_msync(unsigned long start, size_t len, int flags);
835asmlinkage long sys_mlock(unsigned long start, size_t len);
836asmlinkage long sys_munlock(unsigned long start, size_t len);
837asmlinkage long sys_mlockall(int flags);
838asmlinkage long sys_munlockall(void);
839asmlinkage long sys_mincore(unsigned long start, size_t len,
840 unsigned char __user * vec);
841asmlinkage long sys_madvise(unsigned long start, size_t len, int behavior);
842asmlinkage long sys_process_madvise(int pidfd, const struct iovec __user *vec,
843 size_t vlen, int behavior, unsigned int flags);
844asmlinkage long sys_process_mrelease(int pidfd, unsigned int flags);
845asmlinkage long sys_remap_file_pages(unsigned long start, unsigned long size,
846 unsigned long prot, unsigned long pgoff,
847 unsigned long flags);
848asmlinkage long sys_mseal(unsigned long start, size_t len, unsigned long flags);
849asmlinkage long sys_mbind(unsigned long start, unsigned long len,
850 unsigned long mode,
851 const unsigned long __user *nmask,
852 unsigned long maxnode,
853 unsigned flags);
854asmlinkage long sys_get_mempolicy(int __user *policy,
855 unsigned long __user *nmask,
856 unsigned long maxnode,
857 unsigned long addr, unsigned long flags);
858asmlinkage long sys_set_mempolicy(int mode, const unsigned long __user *nmask,
859 unsigned long maxnode);
860asmlinkage long sys_migrate_pages(pid_t pid, unsigned long maxnode,
861 const unsigned long __user *from,
862 const unsigned long __user *to);
863asmlinkage long sys_move_pages(pid_t pid, unsigned long nr_pages,
864 const void __user * __user *pages,
865 const int __user *nodes,
866 int __user *status,
867 int flags);
868asmlinkage long sys_rt_tgsigqueueinfo(pid_t tgid, pid_t pid, int sig,
869 siginfo_t __user *uinfo);
870asmlinkage long sys_perf_event_open(
871 struct perf_event_attr __user *attr_uptr,
872 pid_t pid, int cpu, int group_fd, unsigned long flags);
873asmlinkage long sys_accept4(int, struct sockaddr __user *, int __user *, int);
874asmlinkage long sys_recvmmsg(int fd, struct mmsghdr __user *msg,
875 unsigned int vlen, unsigned flags,
876 struct __kernel_timespec __user *timeout);
877asmlinkage long sys_recvmmsg_time32(int fd, struct mmsghdr __user *msg,
878 unsigned int vlen, unsigned flags,
879 struct old_timespec32 __user *timeout);
880asmlinkage long sys_wait4(pid_t pid, int __user *stat_addr,
881 int options, struct rusage __user *ru);
882asmlinkage long sys_prlimit64(pid_t pid, unsigned int resource,
883 const struct rlimit64 __user *new_rlim,
884 struct rlimit64 __user *old_rlim);
885asmlinkage long sys_fanotify_init(unsigned int flags, unsigned int event_f_flags);
886#if defined(CONFIG_ARCH_SPLIT_ARG64)
887asmlinkage long sys_fanotify_mark(int fanotify_fd, unsigned int flags,
888 unsigned int mask_1, unsigned int mask_2,
889 int dfd, const char __user * pathname);
890#else
891asmlinkage long sys_fanotify_mark(int fanotify_fd, unsigned int flags,
892 u64 mask, int fd,
893 const char __user *pathname);
894#endif
895asmlinkage long sys_name_to_handle_at(int dfd, const char __user *name,
896 struct file_handle __user *handle,
897 void __user *mnt_id, int flag);
898asmlinkage long sys_open_by_handle_at(int mountdirfd,
899 struct file_handle __user *handle,
900 int flags);
901asmlinkage long sys_clock_adjtime(clockid_t which_clock,
902 struct __kernel_timex __user *tx);
903asmlinkage long sys_clock_adjtime32(clockid_t which_clock,
904 struct old_timex32 __user *tx);
905asmlinkage long sys_syncfs(int fd);
906asmlinkage long sys_setns(int fd, int nstype);
907asmlinkage long sys_pidfd_open(pid_t pid, unsigned int flags);
908asmlinkage long sys_sendmmsg(int fd, struct mmsghdr __user *msg,
909 unsigned int vlen, unsigned flags);
910asmlinkage long sys_process_vm_readv(pid_t pid,
911 const struct iovec __user *lvec,
912 unsigned long liovcnt,
913 const struct iovec __user *rvec,
914 unsigned long riovcnt,
915 unsigned long flags);
916asmlinkage long sys_process_vm_writev(pid_t pid,
917 const struct iovec __user *lvec,
918 unsigned long liovcnt,
919 const struct iovec __user *rvec,
920 unsigned long riovcnt,
921 unsigned long flags);
922asmlinkage long sys_kcmp(pid_t pid1, pid_t pid2, int type,
923 unsigned long idx1, unsigned long idx2);
924asmlinkage long sys_finit_module(int fd, const char __user *uargs, int flags);
925asmlinkage long sys_sched_setattr(pid_t pid,
926 struct sched_attr __user *attr,
927 unsigned int flags);
928asmlinkage long sys_sched_getattr(pid_t pid,
929 struct sched_attr __user *attr,
930 unsigned int size,
931 unsigned int flags);
932asmlinkage long sys_renameat2(int olddfd, const char __user *oldname,
933 int newdfd, const char __user *newname,
934 unsigned int flags);
935asmlinkage long sys_seccomp(unsigned int op, unsigned int flags,
936 void __user *uargs);
937asmlinkage long sys_getrandom(char __user *buf, size_t count,
938 unsigned int flags);
939asmlinkage long sys_memfd_create(const char __user *uname_ptr, unsigned int flags);
940asmlinkage long sys_bpf(int cmd, union bpf_attr __user *attr, unsigned int size);
941asmlinkage long sys_execveat(int dfd, const char __user *filename,
942 const char __user *const __user *argv,
943 const char __user *const __user *envp, int flags);
944asmlinkage long sys_userfaultfd(int flags);
945asmlinkage long sys_membarrier(int cmd, unsigned int flags, int cpu_id);
946asmlinkage long sys_mlock2(unsigned long start, size_t len, int flags);
947asmlinkage long sys_copy_file_range(int fd_in, loff_t __user *off_in,
948 int fd_out, loff_t __user *off_out,
949 size_t len, unsigned int flags);
950asmlinkage long sys_preadv2(unsigned long fd, const struct iovec __user *vec,
951 unsigned long vlen, unsigned long pos_l, unsigned long pos_h,
952 rwf_t flags);
953asmlinkage long sys_pwritev2(unsigned long fd, const struct iovec __user *vec,
954 unsigned long vlen, unsigned long pos_l, unsigned long pos_h,
955 rwf_t flags);
956asmlinkage long sys_pkey_mprotect(unsigned long start, size_t len,
957 unsigned long prot, int pkey);
958asmlinkage long sys_pkey_alloc(unsigned long flags, unsigned long init_val);
959asmlinkage long sys_pkey_free(int pkey);
960asmlinkage long sys_statx(int dfd, const char __user *path, unsigned flags,
961 unsigned mask, struct statx __user *buffer);
962asmlinkage long sys_rseq(struct rseq __user *rseq, uint32_t rseq_len,
963 int flags, uint32_t sig);
964asmlinkage long sys_open_tree(int dfd, const char __user *path, unsigned flags);
965asmlinkage long sys_open_tree_attr(int dfd, const char __user *path,
966 unsigned flags,
967 struct mount_attr __user *uattr,
968 size_t usize);
969asmlinkage long sys_move_mount(int from_dfd, const char __user *from_path,
970 int to_dfd, const char __user *to_path,
971 unsigned int ms_flags);
972asmlinkage long sys_mount_setattr(int dfd, const char __user *path,
973 unsigned int flags,
974 struct mount_attr __user *uattr, size_t usize);
975asmlinkage long sys_fsopen(const char __user *fs_name, unsigned int flags);
976asmlinkage long sys_fsconfig(int fs_fd, unsigned int cmd, const char __user *key,
977 const void __user *value, int aux);
978asmlinkage long sys_fsmount(int fs_fd, unsigned int flags, unsigned int ms_flags);
979asmlinkage long sys_fspick(int dfd, const char __user *path, unsigned int flags);
980asmlinkage long sys_pidfd_send_signal(int pidfd, int sig,
981 siginfo_t __user *info,
982 unsigned int flags);
983asmlinkage long sys_pidfd_getfd(int pidfd, int fd, unsigned int flags);
984asmlinkage long sys_landlock_create_ruleset(const struct landlock_ruleset_attr __user *attr,
985 size_t size, __u32 flags);
986asmlinkage long sys_landlock_add_rule(int ruleset_fd, enum landlock_rule_type rule_type,
987 const void __user *rule_attr, __u32 flags);
988asmlinkage long sys_landlock_restrict_self(int ruleset_fd, __u32 flags);
989asmlinkage long sys_memfd_secret(unsigned int flags);
990asmlinkage long sys_set_mempolicy_home_node(unsigned long start, unsigned long len,
991 unsigned long home_node,
992 unsigned long flags);
993asmlinkage long sys_cachestat(unsigned int fd,
994 struct cachestat_range __user *cstat_range,
995 struct cachestat __user *cstat, unsigned int flags);
996asmlinkage long sys_map_shadow_stack(unsigned long addr, unsigned long size, unsigned int flags);
997asmlinkage long sys_lsm_get_self_attr(unsigned int attr, struct lsm_ctx __user *ctx,
998 u32 __user *size, u32 flags);
999asmlinkage long sys_lsm_set_self_attr(unsigned int attr, struct lsm_ctx __user *ctx,
1000 u32 size, u32 flags);
1001asmlinkage long sys_lsm_list_modules(u64 __user *ids, u32 __user *size, u32 flags);
1002
1003/*
1004 * Architecture-specific system calls
1005 */
1006
1007/* x86 */
1008asmlinkage long sys_ioperm(unsigned long from, unsigned long num, int on);
1009
1010asmlinkage long sys_uretprobe(void);
1011
1012asmlinkage long sys_uprobe(void);
1013
1014/* pciconfig: alpha, arm, arm64, ia64, sparc */
1015asmlinkage long sys_pciconfig_read(unsigned long bus, unsigned long dfn,
1016 unsigned long off, unsigned long len,
1017 void __user *buf);
1018asmlinkage long sys_pciconfig_write(unsigned long bus, unsigned long dfn,
1019 unsigned long off, unsigned long len,
1020 void __user *buf);
1021asmlinkage long sys_pciconfig_iobase(long which, unsigned long bus, unsigned long devfn);
1022
1023/* powerpc */
1024asmlinkage long sys_spu_run(int fd, __u32 __user *unpc,
1025 __u32 __user *ustatus);
1026asmlinkage long sys_spu_create(const char __user *name,
1027 unsigned int flags, umode_t mode, int fd);
1028
1029
1030/*
1031 * Deprecated system calls which are still defined in
1032 * include/uapi/asm-generic/unistd.h and wanted by >= 1 arch
1033 */
1034
1035/* __ARCH_WANT_SYSCALL_NO_AT */
1036asmlinkage long sys_open(const char __user *filename,
1037 int flags, umode_t mode);
1038asmlinkage long sys_link(const char __user *oldname,
1039 const char __user *newname);
1040asmlinkage long sys_unlink(const char __user *pathname);
1041asmlinkage long sys_mknod(const char __user *filename, umode_t mode,
1042 unsigned dev);
1043asmlinkage long sys_chmod(const char __user *filename, umode_t mode);
1044asmlinkage long sys_chown(const char __user *filename,
1045 uid_t user, gid_t group);
1046asmlinkage long sys_mkdir(const char __user *pathname, umode_t mode);
1047asmlinkage long sys_rmdir(const char __user *pathname);
1048asmlinkage long sys_lchown(const char __user *filename,
1049 uid_t user, gid_t group);
1050asmlinkage long sys_access(const char __user *filename, int mode);
1051asmlinkage long sys_rename(const char __user *oldname,
1052 const char __user *newname);
1053asmlinkage long sys_symlink(const char __user *old, const char __user *new);
1054#if defined(__ARCH_WANT_STAT64) || defined(__ARCH_WANT_COMPAT_STAT64)
1055asmlinkage long sys_stat64(const char __user *filename,
1056 struct stat64 __user *statbuf);
1057asmlinkage long sys_lstat64(const char __user *filename,
1058 struct stat64 __user *statbuf);
1059#endif
1060
1061/* __ARCH_WANT_SYSCALL_NO_FLAGS */
1062asmlinkage long sys_pipe(int __user *fildes);
1063asmlinkage long sys_dup2(unsigned int oldfd, unsigned int newfd);
1064asmlinkage long sys_epoll_create(int size);
1065asmlinkage long sys_inotify_init(void);
1066asmlinkage long sys_eventfd(unsigned int count);
1067asmlinkage long sys_signalfd(int ufd, sigset_t __user *user_mask, size_t sizemask);
1068
1069/* __ARCH_WANT_SYSCALL_OFF_T */
1070asmlinkage long sys_sendfile(int out_fd, int in_fd,
1071 off_t __user *offset, size_t count);
1072asmlinkage long sys_newstat(const char __user *filename,
1073 struct stat __user *statbuf);
1074asmlinkage long sys_newlstat(const char __user *filename,
1075 struct stat __user *statbuf);
1076asmlinkage long sys_fadvise64(int fd, loff_t offset, size_t len, int advice);
1077
1078/* __ARCH_WANT_SYSCALL_DEPRECATED */
1079asmlinkage long sys_alarm(unsigned int seconds);
1080asmlinkage long sys_getpgrp(void);
1081asmlinkage long sys_pause(void);
1082asmlinkage long sys_time(__kernel_old_time_t __user *tloc);
1083asmlinkage long sys_time32(old_time32_t __user *tloc);
1084#ifdef __ARCH_WANT_SYS_UTIME
1085asmlinkage long sys_utime(char __user *filename,
1086 struct utimbuf __user *times);
1087asmlinkage long sys_utimes(char __user *filename,
1088 struct __kernel_old_timeval __user *utimes);
1089asmlinkage long sys_futimesat(int dfd, const char __user *filename,
1090 struct __kernel_old_timeval __user *utimes);
1091#endif
1092asmlinkage long sys_futimesat_time32(unsigned int dfd,
1093 const char __user *filename,
1094 struct old_timeval32 __user *t);
1095asmlinkage long sys_utime32(const char __user *filename,
1096 struct old_utimbuf32 __user *t);
1097asmlinkage long sys_utimes_time32(const char __user *filename,
1098 struct old_timeval32 __user *t);
1099asmlinkage long sys_creat(const char __user *pathname, umode_t mode);
1100asmlinkage long sys_getdents(unsigned int fd,
1101 struct linux_dirent __user *dirent,
1102 unsigned int count);
1103asmlinkage long sys_select(int n, fd_set __user *inp, fd_set __user *outp,
1104 fd_set __user *exp, struct __kernel_old_timeval __user *tvp);
1105asmlinkage long sys_poll(struct pollfd __user *ufds, unsigned int nfds,
1106 int timeout);
1107asmlinkage long sys_epoll_wait(int epfd, struct epoll_event __user *events,
1108 int maxevents, int timeout);
1109asmlinkage long sys_ustat(unsigned dev, struct ustat __user *ubuf);
1110asmlinkage long sys_vfork(void);
1111asmlinkage long sys_recv(int, void __user *, size_t, unsigned);
1112asmlinkage long sys_send(int, void __user *, size_t, unsigned);
1113asmlinkage long sys_oldumount(char __user *name);
1114asmlinkage long sys_uselib(const char __user *library);
1115asmlinkage long sys_sysfs(int option,
1116 unsigned long arg1, unsigned long arg2);
1117asmlinkage long sys_fork(void);
1118
1119/* obsolete */
1120asmlinkage long sys_stime(__kernel_old_time_t __user *tptr);
1121asmlinkage long sys_stime32(old_time32_t __user *tptr);
1122
1123/* obsolete */
1124asmlinkage long sys_sigpending(old_sigset_t __user *uset);
1125asmlinkage long sys_sigprocmask(int how, old_sigset_t __user *set,
1126 old_sigset_t __user *oset);
1127#ifdef CONFIG_OLD_SIGSUSPEND
1128asmlinkage long sys_sigsuspend(old_sigset_t mask);
1129#endif
1130
1131#ifdef CONFIG_OLD_SIGSUSPEND3
1132asmlinkage long sys_sigsuspend(int unused1, int unused2, old_sigset_t mask);
1133#endif
1134
1135#ifdef CONFIG_OLD_SIGACTION
1136asmlinkage long sys_sigaction(int, const struct old_sigaction __user *,
1137 struct old_sigaction __user *);
1138#endif
1139asmlinkage long sys_sgetmask(void);
1140asmlinkage long sys_ssetmask(int newmask);
1141asmlinkage long sys_signal(int sig, __sighandler_t handler);
1142
1143/* obsolete */
1144asmlinkage long sys_nice(int increment);
1145
1146/* obsolete */
1147asmlinkage long sys_kexec_file_load(int kernel_fd, int initrd_fd,
1148 unsigned long cmdline_len,
1149 const char __user *cmdline_ptr,
1150 unsigned long flags);
1151
1152/* obsolete */
1153asmlinkage long sys_waitpid(pid_t pid, int __user *stat_addr, int options);
1154
1155/* obsolete */
1156#ifdef CONFIG_HAVE_UID16
1157asmlinkage long sys_chown16(const char __user *filename,
1158 old_uid_t user, old_gid_t group);
1159asmlinkage long sys_lchown16(const char __user *filename,
1160 old_uid_t user, old_gid_t group);
1161asmlinkage long sys_fchown16(unsigned int fd, old_uid_t user, old_gid_t group);
1162asmlinkage long sys_setregid16(old_gid_t rgid, old_gid_t egid);
1163asmlinkage long sys_setgid16(old_gid_t gid);
1164asmlinkage long sys_setreuid16(old_uid_t ruid, old_uid_t euid);
1165asmlinkage long sys_setuid16(old_uid_t uid);
1166asmlinkage long sys_setresuid16(old_uid_t ruid, old_uid_t euid, old_uid_t suid);
1167asmlinkage long sys_getresuid16(old_uid_t __user *ruid,
1168 old_uid_t __user *euid, old_uid_t __user *suid);
1169asmlinkage long sys_setresgid16(old_gid_t rgid, old_gid_t egid, old_gid_t sgid);
1170asmlinkage long sys_getresgid16(old_gid_t __user *rgid,
1171 old_gid_t __user *egid, old_gid_t __user *sgid);
1172asmlinkage long sys_setfsuid16(old_uid_t uid);
1173asmlinkage long sys_setfsgid16(old_gid_t gid);
1174asmlinkage long sys_getgroups16(int gidsetsize, old_gid_t __user *grouplist);
1175asmlinkage long sys_setgroups16(int gidsetsize, old_gid_t __user *grouplist);
1176asmlinkage long sys_getuid16(void);
1177asmlinkage long sys_geteuid16(void);
1178asmlinkage long sys_getgid16(void);
1179asmlinkage long sys_getegid16(void);
1180#endif
1181
1182/* obsolete */
1183asmlinkage long sys_socketcall(int call, unsigned long __user *args);
1184
1185/* obsolete */
1186asmlinkage long sys_stat(const char __user *filename,
1187 struct __old_kernel_stat __user *statbuf);
1188asmlinkage long sys_lstat(const char __user *filename,
1189 struct __old_kernel_stat __user *statbuf);
1190asmlinkage long sys_fstat(unsigned int fd,
1191 struct __old_kernel_stat __user *statbuf);
1192asmlinkage long sys_readlink(const char __user *path,
1193 char __user *buf, int bufsiz);
1194
1195/* obsolete */
1196asmlinkage long sys_old_select(struct sel_arg_struct __user *arg);
1197
1198/* obsolete */
1199asmlinkage long sys_old_readdir(unsigned int, struct old_linux_dirent __user *, unsigned int);
1200
1201/* obsolete */
1202asmlinkage long sys_gethostname(char __user *name, int len);
1203asmlinkage long sys_uname(struct old_utsname __user *);
1204asmlinkage long sys_olduname(struct oldold_utsname __user *);
1205#ifdef __ARCH_WANT_SYS_OLD_GETRLIMIT
1206asmlinkage long sys_old_getrlimit(unsigned int resource, struct rlimit __user *rlim);
1207#endif
1208
1209/* obsolete */
1210asmlinkage long sys_ipc(unsigned int call, int first, unsigned long second,
1211 unsigned long third, void __user *ptr, long fifth);
1212
1213/* obsolete */
1214asmlinkage long sys_mmap_pgoff(unsigned long addr, unsigned long len,
1215 unsigned long prot, unsigned long flags,
1216 unsigned long fd, unsigned long pgoff);
1217asmlinkage long sys_old_mmap(struct mmap_arg_struct __user *arg);
1218
1219
1220/*
1221 * Not a real system call, but a placeholder for syscalls which are
1222 * not implemented -- see kernel/sys_ni.c
1223 */
1224asmlinkage long sys_ni_syscall(void);
1225
1226#endif /* CONFIG_ARCH_HAS_SYSCALL_WRAPPER */
1227
1228asmlinkage long sys_ni_posix_timers(void);
1229
1230/*
1231 * Kernel code should not call syscalls (i.e., sys_xyzyyz()) directly.
1232 * Instead, use one of the functions which work equivalently, such as
1233 * the ksys_xyzyyz() functions prototyped below.
1234 */
1235ssize_t ksys_write(unsigned int fd, const char __user *buf, size_t count);
1236int ksys_fchown(unsigned int fd, uid_t user, gid_t group);
1237ssize_t ksys_read(unsigned int fd, char __user *buf, size_t count);
1238void ksys_sync(void);
1239int ksys_unshare(unsigned long unshare_flags);
1240int ksys_setsid(void);
1241int ksys_sync_file_range(int fd, loff_t offset, loff_t nbytes,
1242 unsigned int flags);
1243ssize_t ksys_pread64(unsigned int fd, char __user *buf, size_t count,
1244 loff_t pos);
1245ssize_t ksys_pwrite64(unsigned int fd, const char __user *buf,
1246 size_t count, loff_t pos);
1247int ksys_fallocate(int fd, int mode, loff_t offset, loff_t len);
1248#ifdef CONFIG_ADVISE_SYSCALLS
1249int ksys_fadvise64_64(int fd, loff_t offset, loff_t len, int advice);
1250#else
1251static inline int ksys_fadvise64_64(int fd, loff_t offset, loff_t len,
1252 int advice)
1253{
1254 return -EINVAL;
1255}
1256#endif
1257unsigned long ksys_mmap_pgoff(unsigned long addr, unsigned long len,
1258 unsigned long prot, unsigned long flags,
1259 unsigned long fd, unsigned long pgoff);
1260ssize_t ksys_readahead(int fd, loff_t offset, size_t count);
1261int ksys_ipc(unsigned int call, int first, unsigned long second,
1262 unsigned long third, void __user * ptr, long fifth);
1263int compat_ksys_ipc(u32 call, int first, int second,
1264 u32 third, u32 ptr, u32 fifth);
1265
1266/*
1267 * The following kernel syscall equivalents are just wrappers to fs-internal
1268 * functions. Therefore, provide stubs to be inlined at the callsites.
1269 */
1270extern int do_fchownat(int dfd, const char __user *filename, uid_t user,
1271 gid_t group, int flag);
1272
1273static inline long ksys_chown(const char __user *filename, uid_t user,
1274 gid_t group)
1275{
1276 return do_fchownat(AT_FDCWD, filename, user, group, 0);
1277}
1278
1279static inline long ksys_lchown(const char __user *filename, uid_t user,
1280 gid_t group)
1281{
1282 return do_fchownat(AT_FDCWD, filename, user, group,
1283 AT_SYMLINK_NOFOLLOW);
1284}
1285
1286int do_sys_ftruncate(unsigned int fd, loff_t length, int small);
1287
1288static inline long ksys_ftruncate(unsigned int fd, loff_t length)
1289{
1290 return do_sys_ftruncate(fd, length, 1);
1291}
1292
1293int do_sys_truncate(const char __user *pathname, loff_t length);
1294
1295static inline long ksys_truncate(const char __user *pathname, loff_t length)
1296{
1297 return do_sys_truncate(pathname, length);
1298}
1299
1300static inline unsigned int ksys_personality(unsigned int personality)
1301{
1302 unsigned int old = current->personality;
1303
1304 if (personality != 0xffffffff)
1305 set_personality(personality);
1306
1307 return old;
1308}
1309
1310/* for __ARCH_WANT_SYS_IPC */
1311long ksys_semtimedop(int semid, struct sembuf __user *tsops,
1312 unsigned int nsops,
1313 const struct __kernel_timespec __user *timeout);
1314long ksys_semget(key_t key, int nsems, int semflg);
1315long ksys_old_semctl(int semid, int semnum, int cmd, unsigned long arg);
1316long ksys_msgget(key_t key, int msgflg);
1317long ksys_old_msgctl(int msqid, int cmd, struct msqid_ds __user *buf);
1318long ksys_msgrcv(int msqid, struct msgbuf __user *msgp, size_t msgsz,
1319 long msgtyp, int msgflg);
1320long ksys_msgsnd(int msqid, struct msgbuf __user *msgp, size_t msgsz,
1321 int msgflg);
1322long ksys_shmget(key_t key, size_t size, int shmflg);
1323long ksys_shmdt(char __user *shmaddr);
1324long ksys_old_shmctl(int shmid, int cmd, struct shmid_ds __user *buf);
1325long compat_ksys_semtimedop(int semid, struct sembuf __user *tsems,
1326 unsigned int nsops,
1327 const struct old_timespec32 __user *timeout);
1328long __do_semtimedop(int semid, struct sembuf *tsems, unsigned int nsops,
1329 const struct timespec64 *timeout,
1330 struct ipc_namespace *ns);
1331
1332int __sys_getsockopt(int fd, int level, int optname, char __user *optval,
1333 int __user *optlen);
1334int __sys_setsockopt(int fd, int level, int optname, char __user *optval,
1335 int optlen);
1336#endif