xref: /linux-6.15/include/linux/syscalls.h (revision ad0cd62a)
1 /*
2  * syscalls.h - Linux syscall interfaces (non-arch-specific)
3  *
4  * Copyright (c) 2004 Randy Dunlap
5  * Copyright (c) 2004 Open Source Development Labs
6  *
7  * This file is released under the GPLv2.
8  * See the file COPYING for more details.
9  */
10 
11 #ifndef _LINUX_SYSCALLS_H
12 #define _LINUX_SYSCALLS_H
13 
14 struct epoll_event;
15 struct iattr;
16 struct inode;
17 struct iocb;
18 struct io_event;
19 struct iovec;
20 struct itimerspec;
21 struct itimerval;
22 struct kexec_segment;
23 struct linux_dirent;
24 struct linux_dirent64;
25 struct list_head;
26 struct msgbuf;
27 struct msghdr;
28 struct msqid_ds;
29 struct new_utsname;
30 struct nfsctl_arg;
31 struct __old_kernel_stat;
32 struct pollfd;
33 struct rlimit;
34 struct rusage;
35 struct sched_param;
36 struct semaphore;
37 struct sembuf;
38 struct shmid_ds;
39 struct sockaddr;
40 struct stat;
41 struct stat64;
42 struct statfs;
43 struct statfs64;
44 struct __sysctl_args;
45 struct sysinfo;
46 struct timespec;
47 struct timeval;
48 struct timex;
49 struct timezone;
50 struct tms;
51 struct utimbuf;
52 struct mq_attr;
53 struct compat_stat;
54 struct compat_timeval;
55 struct robust_list_head;
56 struct getcpu_cache;
57 struct old_linux_dirent;
58 struct perf_event_attr;
59 
60 #include <linux/types.h>
61 #include <linux/aio_abi.h>
62 #include <linux/capability.h>
63 #include <linux/list.h>
64 #include <linux/sem.h>
65 #include <asm/siginfo.h>
66 #include <asm/signal.h>
67 #include <linux/unistd.h>
68 #include <linux/quota.h>
69 #include <linux/key.h>
70 #include <trace/syscall.h>
71 
72 #define __SC_DECL1(t1, a1)	t1 a1
73 #define __SC_DECL2(t2, a2, ...) t2 a2, __SC_DECL1(__VA_ARGS__)
74 #define __SC_DECL3(t3, a3, ...) t3 a3, __SC_DECL2(__VA_ARGS__)
75 #define __SC_DECL4(t4, a4, ...) t4 a4, __SC_DECL3(__VA_ARGS__)
76 #define __SC_DECL5(t5, a5, ...) t5 a5, __SC_DECL4(__VA_ARGS__)
77 #define __SC_DECL6(t6, a6, ...) t6 a6, __SC_DECL5(__VA_ARGS__)
78 
79 #define __SC_LONG1(t1, a1) 	long a1
80 #define __SC_LONG2(t2, a2, ...) long a2, __SC_LONG1(__VA_ARGS__)
81 #define __SC_LONG3(t3, a3, ...) long a3, __SC_LONG2(__VA_ARGS__)
82 #define __SC_LONG4(t4, a4, ...) long a4, __SC_LONG3(__VA_ARGS__)
83 #define __SC_LONG5(t5, a5, ...) long a5, __SC_LONG4(__VA_ARGS__)
84 #define __SC_LONG6(t6, a6, ...) long a6, __SC_LONG5(__VA_ARGS__)
85 
86 #define __SC_CAST1(t1, a1)	(t1) a1
87 #define __SC_CAST2(t2, a2, ...) (t2) a2, __SC_CAST1(__VA_ARGS__)
88 #define __SC_CAST3(t3, a3, ...) (t3) a3, __SC_CAST2(__VA_ARGS__)
89 #define __SC_CAST4(t4, a4, ...) (t4) a4, __SC_CAST3(__VA_ARGS__)
90 #define __SC_CAST5(t5, a5, ...) (t5) a5, __SC_CAST4(__VA_ARGS__)
91 #define __SC_CAST6(t6, a6, ...) (t6) a6, __SC_CAST5(__VA_ARGS__)
92 
93 #define __SC_TEST(type)		BUILD_BUG_ON(sizeof(type) > sizeof(long))
94 #define __SC_TEST1(t1, a1)	__SC_TEST(t1)
95 #define __SC_TEST2(t2, a2, ...)	__SC_TEST(t2); __SC_TEST1(__VA_ARGS__)
96 #define __SC_TEST3(t3, a3, ...)	__SC_TEST(t3); __SC_TEST2(__VA_ARGS__)
97 #define __SC_TEST4(t4, a4, ...)	__SC_TEST(t4); __SC_TEST3(__VA_ARGS__)
98 #define __SC_TEST5(t5, a5, ...)	__SC_TEST(t5); __SC_TEST4(__VA_ARGS__)
99 #define __SC_TEST6(t6, a6, ...)	__SC_TEST(t6); __SC_TEST5(__VA_ARGS__)
100 
101 #ifdef CONFIG_EVENT_PROFILE
102 #define TRACE_SYS_ENTER_PROFILE(sname)					       \
103 static int prof_sysenter_enable_##sname(void)				       \
104 {									       \
105 	return reg_prof_syscall_enter("sys"#sname);			       \
106 }									       \
107 									       \
108 static void prof_sysenter_disable_##sname(void)				       \
109 {									       \
110 	unreg_prof_syscall_enter("sys"#sname);				       \
111 }
112 
113 #define TRACE_SYS_EXIT_PROFILE(sname)					       \
114 static int prof_sysexit_enable_##sname(void)				       \
115 {									       \
116 	return reg_prof_syscall_exit("sys"#sname);			       \
117 }									       \
118 									       \
119 static void prof_sysexit_disable_##sname(void)				       \
120 {                                                                              \
121 	unreg_prof_syscall_exit("sys"#sname);				       \
122 }
123 
124 #define TRACE_SYS_ENTER_PROFILE_INIT(sname)				       \
125 	.profile_count = ATOMIC_INIT(-1),				       \
126 	.profile_enable = prof_sysenter_enable_##sname,			       \
127 	.profile_disable = prof_sysenter_disable_##sname,
128 
129 #define TRACE_SYS_EXIT_PROFILE_INIT(sname)				       \
130 	.profile_count = ATOMIC_INIT(-1),				       \
131 	.profile_enable = prof_sysexit_enable_##sname,			       \
132 	.profile_disable = prof_sysexit_disable_##sname,
133 #else
134 #define TRACE_SYS_ENTER_PROFILE(sname)
135 #define TRACE_SYS_ENTER_PROFILE_INIT(sname)
136 #define TRACE_SYS_EXIT_PROFILE(sname)
137 #define TRACE_SYS_EXIT_PROFILE_INIT(sname)
138 #endif
139 
140 #ifdef CONFIG_FTRACE_SYSCALLS
141 #define __SC_STR_ADECL1(t, a)		#a
142 #define __SC_STR_ADECL2(t, a, ...)	#a, __SC_STR_ADECL1(__VA_ARGS__)
143 #define __SC_STR_ADECL3(t, a, ...)	#a, __SC_STR_ADECL2(__VA_ARGS__)
144 #define __SC_STR_ADECL4(t, a, ...)	#a, __SC_STR_ADECL3(__VA_ARGS__)
145 #define __SC_STR_ADECL5(t, a, ...)	#a, __SC_STR_ADECL4(__VA_ARGS__)
146 #define __SC_STR_ADECL6(t, a, ...)	#a, __SC_STR_ADECL5(__VA_ARGS__)
147 
148 #define __SC_STR_TDECL1(t, a)		#t
149 #define __SC_STR_TDECL2(t, a, ...)	#t, __SC_STR_TDECL1(__VA_ARGS__)
150 #define __SC_STR_TDECL3(t, a, ...)	#t, __SC_STR_TDECL2(__VA_ARGS__)
151 #define __SC_STR_TDECL4(t, a, ...)	#t, __SC_STR_TDECL3(__VA_ARGS__)
152 #define __SC_STR_TDECL5(t, a, ...)	#t, __SC_STR_TDECL4(__VA_ARGS__)
153 #define __SC_STR_TDECL6(t, a, ...)	#t, __SC_STR_TDECL5(__VA_ARGS__)
154 
155 #define SYSCALL_TRACE_ENTER_EVENT(sname)				\
156 	static struct ftrace_event_call event_enter_##sname;		\
157 	struct trace_event enter_syscall_print_##sname = {		\
158 		.trace                  = print_syscall_enter,		\
159 	};								\
160 	static int init_enter_##sname(void)				\
161 	{								\
162 		int num, id;						\
163 		num = syscall_name_to_nr("sys"#sname);			\
164 		if (num < 0)						\
165 			return -ENOSYS;					\
166 		id = register_ftrace_event(&enter_syscall_print_##sname);\
167 		if (!id)						\
168 			return -ENODEV;					\
169 		event_enter_##sname.id = id;				\
170 		set_syscall_enter_id(num, id);				\
171 		INIT_LIST_HEAD(&event_enter_##sname.fields);		\
172 		return 0;						\
173 	}								\
174 	TRACE_SYS_ENTER_PROFILE(sname);					\
175 	static struct ftrace_event_call __used				\
176 	  __attribute__((__aligned__(4)))				\
177 	  __attribute__((section("_ftrace_events")))			\
178 	  event_enter_##sname = {					\
179 		.name                   = "sys_enter"#sname,		\
180 		.system                 = "syscalls",			\
181 		.event                  = &event_syscall_enter,		\
182 		.raw_init		= init_enter_##sname,		\
183 		.show_format		= syscall_enter_format,		\
184 		.define_fields		= syscall_enter_define_fields,	\
185 		.regfunc		= reg_event_syscall_enter,	\
186 		.unregfunc		= unreg_event_syscall_enter,	\
187 		.data			= "sys"#sname,			\
188 		TRACE_SYS_ENTER_PROFILE_INIT(sname)			\
189 	}
190 
191 #define SYSCALL_TRACE_EXIT_EVENT(sname)					\
192 	static struct ftrace_event_call event_exit_##sname;		\
193 	struct trace_event exit_syscall_print_##sname = {		\
194 		.trace                  = print_syscall_exit,		\
195 	};								\
196 	static int init_exit_##sname(void)				\
197 	{								\
198 		int num, id;						\
199 		num = syscall_name_to_nr("sys"#sname);			\
200 		if (num < 0)						\
201 			return -ENOSYS;					\
202 		id = register_ftrace_event(&exit_syscall_print_##sname);\
203 		if (!id)						\
204 			return -ENODEV;					\
205 		event_exit_##sname.id = id;				\
206 		set_syscall_exit_id(num, id);				\
207 		INIT_LIST_HEAD(&event_exit_##sname.fields);		\
208 		return 0;						\
209 	}								\
210 	TRACE_SYS_EXIT_PROFILE(sname);					\
211 	static struct ftrace_event_call __used				\
212 	  __attribute__((__aligned__(4)))				\
213 	  __attribute__((section("_ftrace_events")))			\
214 	  event_exit_##sname = {					\
215 		.name                   = "sys_exit"#sname,		\
216 		.system                 = "syscalls",			\
217 		.event                  = &event_syscall_exit,		\
218 		.raw_init		= init_exit_##sname,		\
219 		.show_format		= syscall_exit_format,		\
220 		.define_fields		= syscall_exit_define_fields,	\
221 		.regfunc		= reg_event_syscall_exit,	\
222 		.unregfunc		= unreg_event_syscall_exit,	\
223 		.data			= "sys"#sname,			\
224 		TRACE_SYS_EXIT_PROFILE_INIT(sname)			\
225 	}
226 
227 #define SYSCALL_METADATA(sname, nb)				\
228 	SYSCALL_TRACE_ENTER_EVENT(sname);			\
229 	SYSCALL_TRACE_EXIT_EVENT(sname);			\
230 	static const struct syscall_metadata __used		\
231 	  __attribute__((__aligned__(4)))			\
232 	  __attribute__((section("__syscalls_metadata")))	\
233 	  __syscall_meta_##sname = {				\
234 		.name 		= "sys"#sname,			\
235 		.nb_args 	= nb,				\
236 		.types		= types_##sname,		\
237 		.args		= args_##sname,			\
238 		.enter_event	= &event_enter_##sname,		\
239 		.exit_event	= &event_exit_##sname,		\
240 	};
241 
242 #define SYSCALL_DEFINE0(sname)					\
243 	SYSCALL_TRACE_ENTER_EVENT(_##sname);			\
244 	SYSCALL_TRACE_EXIT_EVENT(_##sname);			\
245 	static const struct syscall_metadata __used		\
246 	  __attribute__((__aligned__(4)))			\
247 	  __attribute__((section("__syscalls_metadata")))	\
248 	  __syscall_meta_##sname = {				\
249 		.name 		= "sys_"#sname,			\
250 		.nb_args 	= 0,				\
251 		.enter_event	= &event_enter__##sname,	\
252 		.exit_event	= &event_exit__##sname,		\
253 	};							\
254 	asmlinkage long sys_##sname(void)
255 #else
256 #define SYSCALL_DEFINE0(name)	   asmlinkage long sys_##name(void)
257 #endif
258 
259 #define SYSCALL_DEFINE1(name, ...) SYSCALL_DEFINEx(1, _##name, __VA_ARGS__)
260 #define SYSCALL_DEFINE2(name, ...) SYSCALL_DEFINEx(2, _##name, __VA_ARGS__)
261 #define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__)
262 #define SYSCALL_DEFINE4(name, ...) SYSCALL_DEFINEx(4, _##name, __VA_ARGS__)
263 #define SYSCALL_DEFINE5(name, ...) SYSCALL_DEFINEx(5, _##name, __VA_ARGS__)
264 #define SYSCALL_DEFINE6(name, ...) SYSCALL_DEFINEx(6, _##name, __VA_ARGS__)
265 
266 #ifdef CONFIG_PPC64
267 #define SYSCALL_ALIAS(alias, name)					\
268 	asm ("\t.globl " #alias "\n\t.set " #alias ", " #name "\n"	\
269 	     "\t.globl ." #alias "\n\t.set ." #alias ", ." #name)
270 #else
271 #if defined(CONFIG_ALPHA) || defined(CONFIG_MIPS)
272 #define SYSCALL_ALIAS(alias, name)					\
273 	asm ( #alias " = " #name "\n\t.globl " #alias)
274 #else
275 #define SYSCALL_ALIAS(alias, name)					\
276 	asm ("\t.globl " #alias "\n\t.set " #alias ", " #name)
277 #endif
278 #endif
279 
280 #ifdef CONFIG_FTRACE_SYSCALLS
281 #define SYSCALL_DEFINEx(x, sname, ...)				\
282 	static const char *types_##sname[] = {			\
283 		__SC_STR_TDECL##x(__VA_ARGS__)			\
284 	};							\
285 	static const char *args_##sname[] = {			\
286 		__SC_STR_ADECL##x(__VA_ARGS__)			\
287 	};							\
288 	SYSCALL_METADATA(sname, x);				\
289 	__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
290 #else
291 #define SYSCALL_DEFINEx(x, sname, ...)				\
292 	__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
293 #endif
294 
295 #ifdef CONFIG_HAVE_SYSCALL_WRAPPERS
296 
297 #define SYSCALL_DEFINE(name) static inline long SYSC_##name
298 
299 #define __SYSCALL_DEFINEx(x, name, ...)					\
300 	asmlinkage long sys##name(__SC_DECL##x(__VA_ARGS__));		\
301 	static inline long SYSC##name(__SC_DECL##x(__VA_ARGS__));	\
302 	asmlinkage long SyS##name(__SC_LONG##x(__VA_ARGS__))		\
303 	{								\
304 		__SC_TEST##x(__VA_ARGS__);				\
305 		return (long) SYSC##name(__SC_CAST##x(__VA_ARGS__));	\
306 	}								\
307 	SYSCALL_ALIAS(sys##name, SyS##name);				\
308 	static inline long SYSC##name(__SC_DECL##x(__VA_ARGS__))
309 
310 #else /* CONFIG_HAVE_SYSCALL_WRAPPERS */
311 
312 #define SYSCALL_DEFINE(name) asmlinkage long sys_##name
313 #define __SYSCALL_DEFINEx(x, name, ...)					\
314 	asmlinkage long sys##name(__SC_DECL##x(__VA_ARGS__))
315 
316 #endif /* CONFIG_HAVE_SYSCALL_WRAPPERS */
317 
318 asmlinkage long sys_time(time_t __user *tloc);
319 asmlinkage long sys_stime(time_t __user *tptr);
320 asmlinkage long sys_gettimeofday(struct timeval __user *tv,
321 				struct timezone __user *tz);
322 asmlinkage long sys_settimeofday(struct timeval __user *tv,
323 				struct timezone __user *tz);
324 asmlinkage long sys_adjtimex(struct timex __user *txc_p);
325 
326 asmlinkage long sys_times(struct tms __user *tbuf);
327 
328 asmlinkage long sys_gettid(void);
329 asmlinkage long sys_nanosleep(struct timespec __user *rqtp, struct timespec __user *rmtp);
330 asmlinkage long sys_alarm(unsigned int seconds);
331 asmlinkage long sys_getpid(void);
332 asmlinkage long sys_getppid(void);
333 asmlinkage long sys_getuid(void);
334 asmlinkage long sys_geteuid(void);
335 asmlinkage long sys_getgid(void);
336 asmlinkage long sys_getegid(void);
337 asmlinkage long sys_getresuid(uid_t __user *ruid, uid_t __user *euid, uid_t __user *suid);
338 asmlinkage long sys_getresgid(gid_t __user *rgid, gid_t __user *egid, gid_t __user *sgid);
339 asmlinkage long sys_getpgid(pid_t pid);
340 asmlinkage long sys_getpgrp(void);
341 asmlinkage long sys_getsid(pid_t pid);
342 asmlinkage long sys_getgroups(int gidsetsize, gid_t __user *grouplist);
343 
344 asmlinkage long sys_setregid(gid_t rgid, gid_t egid);
345 asmlinkage long sys_setgid(gid_t gid);
346 asmlinkage long sys_setreuid(uid_t ruid, uid_t euid);
347 asmlinkage long sys_setuid(uid_t uid);
348 asmlinkage long sys_setresuid(uid_t ruid, uid_t euid, uid_t suid);
349 asmlinkage long sys_setresgid(gid_t rgid, gid_t egid, gid_t sgid);
350 asmlinkage long sys_setfsuid(uid_t uid);
351 asmlinkage long sys_setfsgid(gid_t gid);
352 asmlinkage long sys_setpgid(pid_t pid, pid_t pgid);
353 asmlinkage long sys_setsid(void);
354 asmlinkage long sys_setgroups(int gidsetsize, gid_t __user *grouplist);
355 
356 asmlinkage long sys_acct(const char __user *name);
357 asmlinkage long sys_capget(cap_user_header_t header,
358 				cap_user_data_t dataptr);
359 asmlinkage long sys_capset(cap_user_header_t header,
360 				const cap_user_data_t data);
361 asmlinkage long sys_personality(u_long personality);
362 
363 asmlinkage long sys_sigpending(old_sigset_t __user *set);
364 asmlinkage long sys_sigprocmask(int how, old_sigset_t __user *set,
365 				old_sigset_t __user *oset);
366 asmlinkage long sys_getitimer(int which, struct itimerval __user *value);
367 asmlinkage long sys_setitimer(int which,
368 				struct itimerval __user *value,
369 				struct itimerval __user *ovalue);
370 asmlinkage long sys_timer_create(clockid_t which_clock,
371 				 struct sigevent __user *timer_event_spec,
372 				 timer_t __user * created_timer_id);
373 asmlinkage long sys_timer_gettime(timer_t timer_id,
374 				struct itimerspec __user *setting);
375 asmlinkage long sys_timer_getoverrun(timer_t timer_id);
376 asmlinkage long sys_timer_settime(timer_t timer_id, int flags,
377 				const struct itimerspec __user *new_setting,
378 				struct itimerspec __user *old_setting);
379 asmlinkage long sys_timer_delete(timer_t timer_id);
380 asmlinkage long sys_clock_settime(clockid_t which_clock,
381 				const struct timespec __user *tp);
382 asmlinkage long sys_clock_gettime(clockid_t which_clock,
383 				struct timespec __user *tp);
384 asmlinkage long sys_clock_getres(clockid_t which_clock,
385 				struct timespec __user *tp);
386 asmlinkage long sys_clock_nanosleep(clockid_t which_clock, int flags,
387 				const struct timespec __user *rqtp,
388 				struct timespec __user *rmtp);
389 
390 asmlinkage long sys_nice(int increment);
391 asmlinkage long sys_sched_setscheduler(pid_t pid, int policy,
392 					struct sched_param __user *param);
393 asmlinkage long sys_sched_setparam(pid_t pid,
394 					struct sched_param __user *param);
395 asmlinkage long sys_sched_getscheduler(pid_t pid);
396 asmlinkage long sys_sched_getparam(pid_t pid,
397 					struct sched_param __user *param);
398 asmlinkage long sys_sched_setaffinity(pid_t pid, unsigned int len,
399 					unsigned long __user *user_mask_ptr);
400 asmlinkage long sys_sched_getaffinity(pid_t pid, unsigned int len,
401 					unsigned long __user *user_mask_ptr);
402 asmlinkage long sys_sched_yield(void);
403 asmlinkage long sys_sched_get_priority_max(int policy);
404 asmlinkage long sys_sched_get_priority_min(int policy);
405 asmlinkage long sys_sched_rr_get_interval(pid_t pid,
406 					struct timespec __user *interval);
407 asmlinkage long sys_setpriority(int which, int who, int niceval);
408 asmlinkage long sys_getpriority(int which, int who);
409 
410 asmlinkage long sys_shutdown(int, int);
411 asmlinkage long sys_reboot(int magic1, int magic2, unsigned int cmd,
412 				void __user *arg);
413 asmlinkage long sys_restart_syscall(void);
414 asmlinkage long sys_kexec_load(unsigned long entry, unsigned long nr_segments,
415 				struct kexec_segment __user *segments,
416 				unsigned long flags);
417 
418 asmlinkage long sys_exit(int error_code);
419 asmlinkage long sys_exit_group(int error_code);
420 asmlinkage long sys_wait4(pid_t pid, int __user *stat_addr,
421 				int options, struct rusage __user *ru);
422 asmlinkage long sys_waitid(int which, pid_t pid,
423 			   struct siginfo __user *infop,
424 			   int options, struct rusage __user *ru);
425 asmlinkage long sys_waitpid(pid_t pid, int __user *stat_addr, int options);
426 asmlinkage long sys_set_tid_address(int __user *tidptr);
427 asmlinkage long sys_futex(u32 __user *uaddr, int op, u32 val,
428 			struct timespec __user *utime, u32 __user *uaddr2,
429 			u32 val3);
430 
431 asmlinkage long sys_init_module(void __user *umod, unsigned long len,
432 				const char __user *uargs);
433 asmlinkage long sys_delete_module(const char __user *name_user,
434 				unsigned int flags);
435 
436 asmlinkage long sys_rt_sigprocmask(int how, sigset_t __user *set,
437 				sigset_t __user *oset, size_t sigsetsize);
438 asmlinkage long sys_rt_sigpending(sigset_t __user *set, size_t sigsetsize);
439 asmlinkage long sys_rt_sigtimedwait(const sigset_t __user *uthese,
440 				siginfo_t __user *uinfo,
441 				const struct timespec __user *uts,
442 				size_t sigsetsize);
443 asmlinkage long sys_rt_tgsigqueueinfo(pid_t tgid, pid_t  pid, int sig,
444 		siginfo_t __user *uinfo);
445 asmlinkage long sys_kill(int pid, int sig);
446 asmlinkage long sys_tgkill(int tgid, int pid, int sig);
447 asmlinkage long sys_tkill(int pid, int sig);
448 asmlinkage long sys_rt_sigqueueinfo(int pid, int sig, siginfo_t __user *uinfo);
449 asmlinkage long sys_sgetmask(void);
450 asmlinkage long sys_ssetmask(int newmask);
451 asmlinkage long sys_signal(int sig, __sighandler_t handler);
452 asmlinkage long sys_pause(void);
453 
454 asmlinkage long sys_sync(void);
455 asmlinkage long sys_fsync(unsigned int fd);
456 asmlinkage long sys_fdatasync(unsigned int fd);
457 asmlinkage long sys_bdflush(int func, long data);
458 asmlinkage long sys_mount(char __user *dev_name, char __user *dir_name,
459 				char __user *type, unsigned long flags,
460 				void __user *data);
461 asmlinkage long sys_umount(char __user *name, int flags);
462 asmlinkage long sys_oldumount(char __user *name);
463 asmlinkage long sys_truncate(const char __user *path, long length);
464 asmlinkage long sys_ftruncate(unsigned int fd, unsigned long length);
465 asmlinkage long sys_stat(char __user *filename,
466 			struct __old_kernel_stat __user *statbuf);
467 asmlinkage long sys_statfs(const char __user * path,
468 				struct statfs __user *buf);
469 asmlinkage long sys_statfs64(const char __user *path, size_t sz,
470 				struct statfs64 __user *buf);
471 asmlinkage long sys_fstatfs(unsigned int fd, struct statfs __user *buf);
472 asmlinkage long sys_fstatfs64(unsigned int fd, size_t sz,
473 				struct statfs64 __user *buf);
474 asmlinkage long sys_lstat(char __user *filename,
475 			struct __old_kernel_stat __user *statbuf);
476 asmlinkage long sys_fstat(unsigned int fd,
477 			struct __old_kernel_stat __user *statbuf);
478 asmlinkage long sys_newstat(char __user *filename,
479 				struct stat __user *statbuf);
480 asmlinkage long sys_newlstat(char __user *filename,
481 				struct stat __user *statbuf);
482 asmlinkage long sys_newfstat(unsigned int fd, struct stat __user *statbuf);
483 asmlinkage long sys_ustat(unsigned dev, struct ustat __user *ubuf);
484 #if BITS_PER_LONG == 32
485 asmlinkage long sys_stat64(char __user *filename,
486 				struct stat64 __user *statbuf);
487 asmlinkage long sys_fstat64(unsigned long fd, struct stat64 __user *statbuf);
488 asmlinkage long sys_lstat64(char __user *filename,
489 				struct stat64 __user *statbuf);
490 asmlinkage long sys_truncate64(const char __user *path, loff_t length);
491 asmlinkage long sys_ftruncate64(unsigned int fd, loff_t length);
492 #endif
493 
494 asmlinkage long sys_setxattr(const char __user *path, const char __user *name,
495 			     const void __user *value, size_t size, int flags);
496 asmlinkage long sys_lsetxattr(const char __user *path, const char __user *name,
497 			      const void __user *value, size_t size, int flags);
498 asmlinkage long sys_fsetxattr(int fd, const char __user *name,
499 			      const void __user *value, size_t size, int flags);
500 asmlinkage long sys_getxattr(const char __user *path, const char __user *name,
501 			     void __user *value, size_t size);
502 asmlinkage long sys_lgetxattr(const char __user *path, const char __user *name,
503 			      void __user *value, size_t size);
504 asmlinkage long sys_fgetxattr(int fd, const char __user *name,
505 			      void __user *value, size_t size);
506 asmlinkage long sys_listxattr(const char __user *path, char __user *list,
507 			      size_t size);
508 asmlinkage long sys_llistxattr(const char __user *path, char __user *list,
509 			       size_t size);
510 asmlinkage long sys_flistxattr(int fd, char __user *list, size_t size);
511 asmlinkage long sys_removexattr(const char __user *path,
512 				const char __user *name);
513 asmlinkage long sys_lremovexattr(const char __user *path,
514 				 const char __user *name);
515 asmlinkage long sys_fremovexattr(int fd, const char __user *name);
516 
517 asmlinkage long sys_brk(unsigned long brk);
518 asmlinkage long sys_mprotect(unsigned long start, size_t len,
519 				unsigned long prot);
520 asmlinkage long sys_mremap(unsigned long addr,
521 			   unsigned long old_len, unsigned long new_len,
522 			   unsigned long flags, unsigned long new_addr);
523 asmlinkage long sys_remap_file_pages(unsigned long start, unsigned long size,
524 			unsigned long prot, unsigned long pgoff,
525 			unsigned long flags);
526 asmlinkage long sys_msync(unsigned long start, size_t len, int flags);
527 asmlinkage long sys_fadvise64(int fd, loff_t offset, size_t len, int advice);
528 asmlinkage long sys_fadvise64_64(int fd, loff_t offset, loff_t len, int advice);
529 asmlinkage long sys_munmap(unsigned long addr, size_t len);
530 asmlinkage long sys_mlock(unsigned long start, size_t len);
531 asmlinkage long sys_munlock(unsigned long start, size_t len);
532 asmlinkage long sys_mlockall(int flags);
533 asmlinkage long sys_munlockall(void);
534 asmlinkage long sys_madvise(unsigned long start, size_t len, int behavior);
535 asmlinkage long sys_mincore(unsigned long start, size_t len,
536 				unsigned char __user * vec);
537 
538 asmlinkage long sys_pivot_root(const char __user *new_root,
539 				const char __user *put_old);
540 asmlinkage long sys_chroot(const char __user *filename);
541 asmlinkage long sys_mknod(const char __user *filename, int mode,
542 				unsigned dev);
543 asmlinkage long sys_link(const char __user *oldname,
544 				const char __user *newname);
545 asmlinkage long sys_symlink(const char __user *old, const char __user *new);
546 asmlinkage long sys_unlink(const char __user *pathname);
547 asmlinkage long sys_rename(const char __user *oldname,
548 				const char __user *newname);
549 asmlinkage long sys_chmod(const char __user *filename, mode_t mode);
550 asmlinkage long sys_fchmod(unsigned int fd, mode_t mode);
551 
552 asmlinkage long sys_fcntl(unsigned int fd, unsigned int cmd, unsigned long arg);
553 #if BITS_PER_LONG == 32
554 asmlinkage long sys_fcntl64(unsigned int fd,
555 				unsigned int cmd, unsigned long arg);
556 #endif
557 asmlinkage long sys_pipe(int __user *fildes);
558 asmlinkage long sys_pipe2(int __user *fildes, int flags);
559 asmlinkage long sys_dup(unsigned int fildes);
560 asmlinkage long sys_dup2(unsigned int oldfd, unsigned int newfd);
561 asmlinkage long sys_dup3(unsigned int oldfd, unsigned int newfd, int flags);
562 asmlinkage long sys_ioperm(unsigned long from, unsigned long num, int on);
563 asmlinkage long sys_ioctl(unsigned int fd, unsigned int cmd,
564 				unsigned long arg);
565 asmlinkage long sys_flock(unsigned int fd, unsigned int cmd);
566 asmlinkage long sys_io_setup(unsigned nr_reqs, aio_context_t __user *ctx);
567 asmlinkage long sys_io_destroy(aio_context_t ctx);
568 asmlinkage long sys_io_getevents(aio_context_t ctx_id,
569 				long min_nr,
570 				long nr,
571 				struct io_event __user *events,
572 				struct timespec __user *timeout);
573 asmlinkage long sys_io_submit(aio_context_t, long,
574 				struct iocb __user * __user *);
575 asmlinkage long sys_io_cancel(aio_context_t ctx_id, struct iocb __user *iocb,
576 			      struct io_event __user *result);
577 asmlinkage long sys_sendfile(int out_fd, int in_fd,
578 			     off_t __user *offset, size_t count);
579 asmlinkage long sys_sendfile64(int out_fd, int in_fd,
580 			       loff_t __user *offset, size_t count);
581 asmlinkage long sys_readlink(const char __user *path,
582 				char __user *buf, int bufsiz);
583 asmlinkage long sys_creat(const char __user *pathname, int mode);
584 asmlinkage long sys_open(const char __user *filename,
585 				int flags, int mode);
586 asmlinkage long sys_close(unsigned int fd);
587 asmlinkage long sys_access(const char __user *filename, int mode);
588 asmlinkage long sys_vhangup(void);
589 asmlinkage long sys_chown(const char __user *filename,
590 				uid_t user, gid_t group);
591 asmlinkage long sys_lchown(const char __user *filename,
592 				uid_t user, gid_t group);
593 asmlinkage long sys_fchown(unsigned int fd, uid_t user, gid_t group);
594 #ifdef CONFIG_UID16
595 asmlinkage long sys_chown16(const char __user *filename,
596 				old_uid_t user, old_gid_t group);
597 asmlinkage long sys_lchown16(const char __user *filename,
598 				old_uid_t user, old_gid_t group);
599 asmlinkage long sys_fchown16(unsigned int fd, old_uid_t user, old_gid_t group);
600 asmlinkage long sys_setregid16(old_gid_t rgid, old_gid_t egid);
601 asmlinkage long sys_setgid16(old_gid_t gid);
602 asmlinkage long sys_setreuid16(old_uid_t ruid, old_uid_t euid);
603 asmlinkage long sys_setuid16(old_uid_t uid);
604 asmlinkage long sys_setresuid16(old_uid_t ruid, old_uid_t euid, old_uid_t suid);
605 asmlinkage long sys_getresuid16(old_uid_t __user *ruid,
606 				old_uid_t __user *euid, old_uid_t __user *suid);
607 asmlinkage long sys_setresgid16(old_gid_t rgid, old_gid_t egid, old_gid_t sgid);
608 asmlinkage long sys_getresgid16(old_gid_t __user *rgid,
609 				old_gid_t __user *egid, old_gid_t __user *sgid);
610 asmlinkage long sys_setfsuid16(old_uid_t uid);
611 asmlinkage long sys_setfsgid16(old_gid_t gid);
612 asmlinkage long sys_getgroups16(int gidsetsize, old_gid_t __user *grouplist);
613 asmlinkage long sys_setgroups16(int gidsetsize, old_gid_t __user *grouplist);
614 asmlinkage long sys_getuid16(void);
615 asmlinkage long sys_geteuid16(void);
616 asmlinkage long sys_getgid16(void);
617 asmlinkage long sys_getegid16(void);
618 #endif
619 
620 asmlinkage long sys_utime(char __user *filename,
621 				struct utimbuf __user *times);
622 asmlinkage long sys_utimes(char __user *filename,
623 				struct timeval __user *utimes);
624 asmlinkage long sys_lseek(unsigned int fd, off_t offset,
625 			  unsigned int origin);
626 asmlinkage long sys_llseek(unsigned int fd, unsigned long offset_high,
627 			unsigned long offset_low, loff_t __user *result,
628 			unsigned int origin);
629 asmlinkage long sys_read(unsigned int fd, char __user *buf, size_t count);
630 asmlinkage long sys_readahead(int fd, loff_t offset, size_t count);
631 asmlinkage long sys_readv(unsigned long fd,
632 			  const struct iovec __user *vec,
633 			  unsigned long vlen);
634 asmlinkage long sys_write(unsigned int fd, const char __user *buf,
635 			  size_t count);
636 asmlinkage long sys_writev(unsigned long fd,
637 			   const struct iovec __user *vec,
638 			   unsigned long vlen);
639 asmlinkage long sys_pread64(unsigned int fd, char __user *buf,
640 			    size_t count, loff_t pos);
641 asmlinkage long sys_pwrite64(unsigned int fd, const char __user *buf,
642 			     size_t count, loff_t pos);
643 asmlinkage long sys_preadv(unsigned long fd, const struct iovec __user *vec,
644 			   unsigned long vlen, unsigned long pos_l, unsigned long pos_h);
645 asmlinkage long sys_pwritev(unsigned long fd, const struct iovec __user *vec,
646 			    unsigned long vlen, unsigned long pos_l, unsigned long pos_h);
647 asmlinkage long sys_getcwd(char __user *buf, unsigned long size);
648 asmlinkage long sys_mkdir(const char __user *pathname, int mode);
649 asmlinkage long sys_chdir(const char __user *filename);
650 asmlinkage long sys_fchdir(unsigned int fd);
651 asmlinkage long sys_rmdir(const char __user *pathname);
652 asmlinkage long sys_lookup_dcookie(u64 cookie64, char __user *buf, size_t len);
653 asmlinkage long sys_quotactl(unsigned int cmd, const char __user *special,
654 				qid_t id, void __user *addr);
655 asmlinkage long sys_getdents(unsigned int fd,
656 				struct linux_dirent __user *dirent,
657 				unsigned int count);
658 asmlinkage long sys_getdents64(unsigned int fd,
659 				struct linux_dirent64 __user *dirent,
660 				unsigned int count);
661 
662 asmlinkage long sys_setsockopt(int fd, int level, int optname,
663 				char __user *optval, int optlen);
664 asmlinkage long sys_getsockopt(int fd, int level, int optname,
665 				char __user *optval, int __user *optlen);
666 asmlinkage long sys_bind(int, struct sockaddr __user *, int);
667 asmlinkage long sys_connect(int, struct sockaddr __user *, int);
668 asmlinkage long sys_accept(int, struct sockaddr __user *, int __user *);
669 asmlinkage long sys_accept4(int, struct sockaddr __user *, int __user *, int);
670 asmlinkage long sys_getsockname(int, struct sockaddr __user *, int __user *);
671 asmlinkage long sys_getpeername(int, struct sockaddr __user *, int __user *);
672 asmlinkage long sys_send(int, void __user *, size_t, unsigned);
673 asmlinkage long sys_sendto(int, void __user *, size_t, unsigned,
674 				struct sockaddr __user *, int);
675 asmlinkage long sys_sendmsg(int fd, struct msghdr __user *msg, unsigned flags);
676 asmlinkage long sys_recv(int, void __user *, size_t, unsigned);
677 asmlinkage long sys_recvfrom(int, void __user *, size_t, unsigned,
678 				struct sockaddr __user *, int __user *);
679 asmlinkage long sys_recvmsg(int fd, struct msghdr __user *msg, unsigned flags);
680 asmlinkage long sys_socket(int, int, int);
681 asmlinkage long sys_socketpair(int, int, int, int __user *);
682 asmlinkage long sys_socketcall(int call, unsigned long __user *args);
683 asmlinkage long sys_listen(int, int);
684 asmlinkage long sys_poll(struct pollfd __user *ufds, unsigned int nfds,
685 				long timeout);
686 asmlinkage long sys_select(int n, fd_set __user *inp, fd_set __user *outp,
687 			fd_set __user *exp, struct timeval __user *tvp);
688 asmlinkage long sys_epoll_create(int size);
689 asmlinkage long sys_epoll_create1(int flags);
690 asmlinkage long sys_epoll_ctl(int epfd, int op, int fd,
691 				struct epoll_event __user *event);
692 asmlinkage long sys_epoll_wait(int epfd, struct epoll_event __user *events,
693 				int maxevents, int timeout);
694 asmlinkage long sys_epoll_pwait(int epfd, struct epoll_event __user *events,
695 				int maxevents, int timeout,
696 				const sigset_t __user *sigmask,
697 				size_t sigsetsize);
698 asmlinkage long sys_gethostname(char __user *name, int len);
699 asmlinkage long sys_sethostname(char __user *name, int len);
700 asmlinkage long sys_setdomainname(char __user *name, int len);
701 asmlinkage long sys_newuname(struct new_utsname __user *name);
702 
703 asmlinkage long sys_getrlimit(unsigned int resource,
704 				struct rlimit __user *rlim);
705 #if defined(COMPAT_RLIM_OLD_INFINITY) || !(defined(CONFIG_IA64))
706 asmlinkage long sys_old_getrlimit(unsigned int resource, struct rlimit __user *rlim);
707 #endif
708 asmlinkage long sys_setrlimit(unsigned int resource,
709 				struct rlimit __user *rlim);
710 asmlinkage long sys_getrusage(int who, struct rusage __user *ru);
711 asmlinkage long sys_umask(int mask);
712 
713 asmlinkage long sys_msgget(key_t key, int msgflg);
714 asmlinkage long sys_msgsnd(int msqid, struct msgbuf __user *msgp,
715 				size_t msgsz, int msgflg);
716 asmlinkage long sys_msgrcv(int msqid, struct msgbuf __user *msgp,
717 				size_t msgsz, long msgtyp, int msgflg);
718 asmlinkage long sys_msgctl(int msqid, int cmd, struct msqid_ds __user *buf);
719 
720 asmlinkage long sys_semget(key_t key, int nsems, int semflg);
721 asmlinkage long sys_semop(int semid, struct sembuf __user *sops,
722 				unsigned nsops);
723 asmlinkage long sys_semctl(int semid, int semnum, int cmd, union semun arg);
724 asmlinkage long sys_semtimedop(int semid, struct sembuf __user *sops,
725 				unsigned nsops,
726 				const struct timespec __user *timeout);
727 asmlinkage long sys_shmat(int shmid, char __user *shmaddr, int shmflg);
728 asmlinkage long sys_shmget(key_t key, size_t size, int flag);
729 asmlinkage long sys_shmdt(char __user *shmaddr);
730 asmlinkage long sys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf);
731 
732 asmlinkage long sys_mq_open(const char __user *name, int oflag, mode_t mode, struct mq_attr __user *attr);
733 asmlinkage long sys_mq_unlink(const char __user *name);
734 asmlinkage long sys_mq_timedsend(mqd_t mqdes, const char __user *msg_ptr, size_t msg_len, unsigned int msg_prio, const struct timespec __user *abs_timeout);
735 asmlinkage long sys_mq_timedreceive(mqd_t mqdes, char __user *msg_ptr, size_t msg_len, unsigned int __user *msg_prio, const struct timespec __user *abs_timeout);
736 asmlinkage long sys_mq_notify(mqd_t mqdes, const struct sigevent __user *notification);
737 asmlinkage long sys_mq_getsetattr(mqd_t mqdes, const struct mq_attr __user *mqstat, struct mq_attr __user *omqstat);
738 
739 asmlinkage long sys_pciconfig_iobase(long which, unsigned long bus, unsigned long devfn);
740 asmlinkage long sys_pciconfig_read(unsigned long bus, unsigned long dfn,
741 				unsigned long off, unsigned long len,
742 				void __user *buf);
743 asmlinkage long sys_pciconfig_write(unsigned long bus, unsigned long dfn,
744 				unsigned long off, unsigned long len,
745 				void __user *buf);
746 
747 asmlinkage long sys_prctl(int option, unsigned long arg2, unsigned long arg3,
748 			unsigned long arg4, unsigned long arg5);
749 asmlinkage long sys_swapon(const char __user *specialfile, int swap_flags);
750 asmlinkage long sys_swapoff(const char __user *specialfile);
751 asmlinkage long sys_sysctl(struct __sysctl_args __user *args);
752 asmlinkage long sys_sysinfo(struct sysinfo __user *info);
753 asmlinkage long sys_sysfs(int option,
754 				unsigned long arg1, unsigned long arg2);
755 asmlinkage long sys_nfsservctl(int cmd,
756 				struct nfsctl_arg __user *arg,
757 				void __user *res);
758 asmlinkage long sys_syslog(int type, char __user *buf, int len);
759 asmlinkage long sys_uselib(const char __user *library);
760 asmlinkage long sys_ni_syscall(void);
761 asmlinkage long sys_ptrace(long request, long pid, long addr, long data);
762 
763 asmlinkage long sys_add_key(const char __user *_type,
764 			    const char __user *_description,
765 			    const void __user *_payload,
766 			    size_t plen,
767 			    key_serial_t destringid);
768 
769 asmlinkage long sys_request_key(const char __user *_type,
770 				const char __user *_description,
771 				const char __user *_callout_info,
772 				key_serial_t destringid);
773 
774 asmlinkage long sys_keyctl(int cmd, unsigned long arg2, unsigned long arg3,
775 			   unsigned long arg4, unsigned long arg5);
776 
777 asmlinkage long sys_ioprio_set(int which, int who, int ioprio);
778 asmlinkage long sys_ioprio_get(int which, int who);
779 asmlinkage long sys_set_mempolicy(int mode, unsigned long __user *nmask,
780 				unsigned long maxnode);
781 asmlinkage long sys_migrate_pages(pid_t pid, unsigned long maxnode,
782 				const unsigned long __user *from,
783 				const unsigned long __user *to);
784 asmlinkage long sys_move_pages(pid_t pid, unsigned long nr_pages,
785 				const void __user * __user *pages,
786 				const int __user *nodes,
787 				int __user *status,
788 				int flags);
789 asmlinkage long sys_mbind(unsigned long start, unsigned long len,
790 				unsigned long mode,
791 				unsigned long __user *nmask,
792 				unsigned long maxnode,
793 				unsigned flags);
794 asmlinkage long sys_get_mempolicy(int __user *policy,
795 				unsigned long __user *nmask,
796 				unsigned long maxnode,
797 				unsigned long addr, unsigned long flags);
798 
799 asmlinkage long sys_inotify_init(void);
800 asmlinkage long sys_inotify_init1(int flags);
801 asmlinkage long sys_inotify_add_watch(int fd, const char __user *path,
802 					u32 mask);
803 asmlinkage long sys_inotify_rm_watch(int fd, __s32 wd);
804 
805 asmlinkage long sys_spu_run(int fd, __u32 __user *unpc,
806 				 __u32 __user *ustatus);
807 asmlinkage long sys_spu_create(const char __user *name,
808 		unsigned int flags, mode_t mode, int fd);
809 
810 asmlinkage long sys_mknodat(int dfd, const char __user * filename, int mode,
811 			    unsigned dev);
812 asmlinkage long sys_mkdirat(int dfd, const char __user * pathname, int mode);
813 asmlinkage long sys_unlinkat(int dfd, const char __user * pathname, int flag);
814 asmlinkage long sys_symlinkat(const char __user * oldname,
815 			      int newdfd, const char __user * newname);
816 asmlinkage long sys_linkat(int olddfd, const char __user *oldname,
817 			   int newdfd, const char __user *newname, int flags);
818 asmlinkage long sys_renameat(int olddfd, const char __user * oldname,
819 			     int newdfd, const char __user * newname);
820 asmlinkage long sys_futimesat(int dfd, char __user *filename,
821 			      struct timeval __user *utimes);
822 asmlinkage long sys_faccessat(int dfd, const char __user *filename, int mode);
823 asmlinkage long sys_fchmodat(int dfd, const char __user * filename,
824 			     mode_t mode);
825 asmlinkage long sys_fchownat(int dfd, const char __user *filename, uid_t user,
826 			     gid_t group, int flag);
827 asmlinkage long sys_openat(int dfd, const char __user *filename, int flags,
828 			   int mode);
829 asmlinkage long sys_newfstatat(int dfd, char __user *filename,
830 			       struct stat __user *statbuf, int flag);
831 asmlinkage long sys_fstatat64(int dfd, char __user *filename,
832 			       struct stat64 __user *statbuf, int flag);
833 asmlinkage long sys_readlinkat(int dfd, const char __user *path, char __user *buf,
834 			       int bufsiz);
835 asmlinkage long sys_utimensat(int dfd, char __user *filename,
836 				struct timespec __user *utimes, int flags);
837 asmlinkage long sys_unshare(unsigned long unshare_flags);
838 
839 asmlinkage long sys_splice(int fd_in, loff_t __user *off_in,
840 			   int fd_out, loff_t __user *off_out,
841 			   size_t len, unsigned int flags);
842 
843 asmlinkage long sys_vmsplice(int fd, const struct iovec __user *iov,
844 			     unsigned long nr_segs, unsigned int flags);
845 
846 asmlinkage long sys_tee(int fdin, int fdout, size_t len, unsigned int flags);
847 
848 asmlinkage long sys_sync_file_range(int fd, loff_t offset, loff_t nbytes,
849 					unsigned int flags);
850 asmlinkage long sys_sync_file_range2(int fd, unsigned int flags,
851 				     loff_t offset, loff_t nbytes);
852 asmlinkage long sys_get_robust_list(int pid,
853 				    struct robust_list_head __user * __user *head_ptr,
854 				    size_t __user *len_ptr);
855 asmlinkage long sys_set_robust_list(struct robust_list_head __user *head,
856 				    size_t len);
857 asmlinkage long sys_getcpu(unsigned __user *cpu, unsigned __user *node, struct getcpu_cache __user *cache);
858 asmlinkage long sys_signalfd(int ufd, sigset_t __user *user_mask, size_t sizemask);
859 asmlinkage long sys_signalfd4(int ufd, sigset_t __user *user_mask, size_t sizemask, int flags);
860 asmlinkage long sys_timerfd_create(int clockid, int flags);
861 asmlinkage long sys_timerfd_settime(int ufd, int flags,
862 				    const struct itimerspec __user *utmr,
863 				    struct itimerspec __user *otmr);
864 asmlinkage long sys_timerfd_gettime(int ufd, struct itimerspec __user *otmr);
865 asmlinkage long sys_eventfd(unsigned int count);
866 asmlinkage long sys_eventfd2(unsigned int count, int flags);
867 asmlinkage long sys_fallocate(int fd, int mode, loff_t offset, loff_t len);
868 asmlinkage long sys_old_readdir(unsigned int, struct old_linux_dirent __user *, unsigned int);
869 asmlinkage long sys_pselect6(int, fd_set __user *, fd_set __user *,
870 			     fd_set __user *, struct timespec __user *,
871 			     void __user *);
872 asmlinkage long sys_ppoll(struct pollfd __user *, unsigned int,
873 			  struct timespec __user *, const sigset_t __user *,
874 			  size_t);
875 
876 int kernel_execve(const char *filename, char *const argv[], char *const envp[]);
877 
878 
879 asmlinkage long sys_perf_event_open(
880 		struct perf_event_attr __user *attr_uptr,
881 		pid_t pid, int cpu, int group_fd, unsigned long flags);
882 #endif
883