Documentation/x86_64

/*
 * syscalls.h - Linux syscall interfaces (non-arch-specific)
 *
 * Copyright (c) 2004 Randy Dunlap
 * Copyright (c) 2004 Open Source Development Labs
 *
 * This file is released under the GPLv2.
 * See the file COPYING for more details.
 */

#ifndef _LINUX_SYSCALLS_H
#define _LINUX_SYSCALLS_H

struct epoll_event;
struct iattr;
struct inode;
struct iocb;
struct io_event;
struct iovec;
struct itimerspec;
struct itimerval;
struct kexec_segment;
struct linux_dirent;
struct linux_dirent64;
struct list_head;
struct msgbuf;
struct msghdr;
struct msqid_ds;
struct new_utsname;
struct nfsctl_arg;
struct __old_kernel_stat;
struct pollfd;
struct rlimit;
struct rusage;
struct sched_param;
struct semaphore;
struct sembuf;
struct shmid_ds;
struct sockaddr;
struct stat;
struct stat64;
struct statfs;
struct statfs64;
struct __sysctl_args;
struct sysinfo;
struct timespec;
struct timeval;
struct timex;
struct timezone;
struct tms;
struct utimbuf;
struct mq_attr;
struct compat_stat;
struct compat_timeval;
struct robust_list_head;
struct getcpu_cache;
struct old_linux_dirent;

#include <linux/types.h>
#include <linux/aio_abi.h>
#include <linux/capability.h>
#include <linux/list.h>
#include <linux/sem.h>
#include <asm/siginfo.h>
#include <asm/signal.h>
#include <linux/quota.h>
#include <linux/key.h>
#include <trace/syscall.h>

#define __SC_DECL1(t1, a1)	t1 a1
#define __SC_DECL2(t2, a2, ...) t2 a2, __SC_DECL1(__VA_ARGS__)
#define __SC_DECL3(t3, a3, ...) t3 a3, __SC_DECL2(__VA_ARGS__)
#define __SC_DECL4(t4, a4, ...) t4 a4, __SC_DECL3(__VA_ARGS__)
#define __SC_DECL5(t5, a5, ...) t5 a5, __SC_DECL4(__VA_ARGS__)
#define __SC_DECL6(t6, a6, ...) t6 a6, __SC_DECL5(__VA_ARGS__)

#define __SC_LONG1(t1, a1) 	long a1
#define __SC_LONG2(t2, a2, ...) long a2, __SC_LONG1(__VA_ARGS__)
#define __SC_LONG3(t3, a3, ...) long a3, __SC_LONG2(__VA_ARGS__)
#define __SC_LONG4(t4, a4, ...) long a4, __SC_LONG3(__VA_ARGS__)
#define __SC_LONG5(t5, a5, ...) long a5, __SC_LONG4(__VA_ARGS__)
#define __SC_LONG6(t6, a6, ...) long a6, __SC_LONG5(__VA_ARGS__)

#define __SC_CAST1(t1, a1)	(t1) a1
#define __SC_CAST2(t2, a2, ...) (t2) a2, __SC_CAST1(__VA_ARGS__)
#define __SC_CAST3(t3, a3, ...) (t3) a3, __SC_CAST2(__VA_ARGS__)
#define __SC_CAST4(t4, a4, ...) (t4) a4, __SC_CAST3(__VA_ARGS__)
#define __SC_CAST5(t5, a5, ...) (t5) a5, __SC_CAST4(__VA_ARGS__)
#define __SC_CAST6(t6, a6, ...) (t6) a6, __SC_CAST5(__VA_ARGS__)

#define __SC_TEST(type)		BUILD_BUG_ON(sizeof(type) > sizeof(long))
#define __SC_TEST1(t1, a1)	__SC_TEST(t1)
#define __SC_TEST2(t2, a2, ...)	__SC_TEST(t2); __SC_TEST1(__VA_ARGS__)
#define __SC_TEST3(t3, a3, ...)	__SC_TEST(t3); __SC_TEST2(__VA_ARGS__)
#define __SC_TEST4(t4, a4, ...)	__SC_TEST(t4); __SC_TEST3(__VA_ARGS__)
#define __SC_TEST5(t5, a5, ...)	__SC_TEST(t5); __SC_TEST4(__VA_ARGS__)
#define __SC_TEST6(t6, a6, ...)	__SC_TEST(t6); __SC_TEST5(__VA_ARGS__)

#ifdef CONFIG_FTRACE_SYSCALLS
#define __SC_STR_ADECL1(t, a)		#a
#define __SC_STR_ADECL2(t, a, ...)	#a, __SC_STR_ADECL1(__VA_ARGS__)
#define __SC_STR_ADECL3(t, a, ...)	#a, __SC_STR_ADECL2(__VA_ARGS__)
#define __SC_STR_ADECL4(t, a, ...)	#a, __SC_STR_ADECL3(__VA_ARGS__)
#define __SC_STR_ADECL5(t, a, ...)	#a, __SC_STR_ADECL4(__VA_ARGS__)
#define __SC_STR_ADECL6(t, a, ...)	#a, __SC_STR_ADECL5(__VA_ARGS__)

#define __SC_STR_TDECL1(t, a)		#t
#define __SC_STR_TDECL2(t, a, ...)	#t, __SC_STR_TDECL1(__VA_ARGS__)
#define __SC_STR_TDECL3(t, a, ...)	#t, __SC_STR_TDECL2(__VA_ARGS__)
#define __SC_STR_TDECL4(t, a, ...)	#t, __SC_STR_TDECL3(__VA_ARGS__)
#define __SC_STR_TDECL5(t, a, ...)	#t, __SC_STR_TDECL4(__VA_ARGS__)
#define __SC_STR_TDECL6(t, a, ...)	#t, __SC_STR_TDECL5(__VA_ARGS__)

#define SYSCALL_METADATA(sname, nb)				\
	static const struct syscall_metadata __used		\
	  __attribute__((__aligned__(4)))			\
	  __attribute__((section("__syscalls_metadata")))	\
	  __syscall_meta_##sname = {				\
		.name 		= "sys"#sname,			\
		.nb_args 	= nb,				\
		.types		= types_##sname,		\
		.args		= args_##sname,			\
	}

#define SYSCALL_DEFINE0(sname)					\
	static const struct syscall_metadata __used		\
	  __attribute__((__aligned__(4)))			\
	  __attribute__((section("__syscalls_metadata")))	\
	  __syscall_meta_##sname = {				\
		.name 		= "sys_"#sname,			\
		.nb_args 	= 0,				\
	};							\
	asmlinkage long sys_##sname(void)

#else
#define SYSCALL_DEFINE0(name)	   asmlinkage long sys_##name(void)
#endif

#define SYSCALL_DEFINE1(name, ...) SYSCALL_DEFINEx(1, _##name, __VA_ARGS__)
#define SYSCALL_DEFINE2(name, ...) SYSCALL_DEFINEx(2, _##name, __VA_ARGS__)
#define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__)
#define SYSCALL_DEFINE4(name, ...) SYSCALL_DEFINEx(4, _##name, __VA_ARGS__)
#define SYSCALL_DEFINE5(name, ...) SYSCALL_DEFINEx(5, _##name, __VA_ARGS__)
#define SYSCALL_DEFINE6(name, ...) SYSCALL_DEFINEx(6, _##name, __VA_ARGS__)

#ifdef CONFIG_PPC64
#define SYSCALL_ALIAS(alias, name)					\
	asm ("\t.globl " #alias "\n\t.set " #alias ", " #name "\n"	\
	     "\t.globl ." #alias "\n\t.set ." #alias ", ." #name)
#else
#if defined(CONFIG_ALPHA) || defined(CONFIG_MIPS)
#define SYSCALL_ALIAS(alias, name)					\
	asm ( #alias " = " #name "\n\t.globl " #alias)
#else
#define SYSCALL_ALIAS(alias, name)					\
	asm ("\t.globl " #alias "\n\t.set " #alias ", " #name)
#endif
#endif

#ifdef CONFIG_FTRACE_SYSCALLS
#define SYSCALL_DEFINEx(x, sname, ...)				\
	static const char *types_##sname[] = {			\
		__SC_STR_TDECL##x(__VA_ARGS__)			\
	};							\
	static const char *args_##sname[] = {			\
		__SC_STR_ADECL##x(__VA_ARGS__)			\
	};							\
	SYSCALL_METADATA(sname, x);				\
	__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
#else
#define SYSCALL_DEFINEx(x, sname, ...)				\
	__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
#endif

#ifdef CONFIG_HAVE_SYSCALL_WRAPPERS

#define SYSCALL_DEFINE(name) static inline long SYSC_##name

#define __SYSCALL_DEFINEx(x, name, ...)					\
	asmlinkage long sys##name(__SC_DECL##x(__VA_ARGS__));		\
	static inline long SYSC##name(__SC_DECL##x(__VA_ARGS__));	\
	asmlinkage long SyS##name(__SC_LONG##x(__VA_ARGS__))		\
	{								\
		__SC_TEST##x(__VA_ARGS__);				\
		return (long) SYSC##name(__SC_CAST##x(__VA_ARGS__));	\
	}								\
	SYSCALL_ALIAS(sys##name, SyS##name);				\
	static inline long SYSC##name(__SC_DECL##x(__VA_ARGS__))

#else /* CONFIG_HAVE_SYSCALL_WRAPPERS */

#define SYSCALL_DEFINE(name) asmlinkage long sys_##name
#define __SYSCALL_DEFINEx(x, name, ...)					\
	asmlinkage long sys##name(__SC_DECL##x(__VA_ARGS__))

#endif /* CONFIG_HAVE_SYSCALL_WRAPPERS */

asmlinkage long sys_time(time_t __user *tloc);
asmlinkage long sys_stime(time_t __user *tptr);
asmlinkage long sys_gettimeofday(struct timeval __user *tv,
				struct timezone __user *tz);
asmlinkage long sys_settimeofday(struct timeval __user *tv,
				struct timezone __user *tz);
asmlinkage long sys_adjtimex(struct timex __user *txc_p);

asmlinkage long sys_times(struct tms __user *tbuf);

asmlinkage long sys_gettid(void);
asmlinkage long sys_nanosleep(struct timespec __user *rqtp, struct timespec __user *rmtp);
asmlinkage long sys_alarm(unsigned int seconds);
asmlinkage long sys_getpid(void);
asmlinkage long sys_getppid(void);
asmlinkage long sys_getuid(void);
asmlinkage long sys_geteuid(void);
asmlinkage long sys_getgid(void);
asmlinkage long sys_getegid(void);
asmlinkage long sys_getresuid(uid_t __user *ruid, uid_t __user *euid, uid_t __user *suid);
asmlinkage long sys_getresgid(gid_t __user *rgid, gid_t __user *egid, gid_t __user *sgid);
asmlinkage long sys_getpgid(pid_t pid);
asmlinkage long sys_getpgrp(void);
asmlinkage long sys_getsid(pid_t pid);
asmlinkage long sys_getgroups(int gidsetsize, gid_t __user *grouplist);

asmlinkage long sys_setregid(gid_t rgid, gid_t egid);
asmlinkage long sys_setgid(gid_t gid);
asmlinkage long sys_setreuid(uid_t ruid, uid_t euid);
asmlinkage long sys_setuid(uid_t uid);
asmlinkage long sys_setresuid(uid_t ruid, uid_t euid, uid_t suid);
asmlinkage long sys_setresgid(gid_t rgid, gid_t egid, gid_t sgid);
asmlinkage long sys_setfsuid(uid_t uid);
asmlinkage long sys_setfsgid(gid_t gid);
asmlinkage long sys_setpgid(pid_t pid, pid_t pgid);
asmlinkage long sys_setsid(void);
asmlinkage long sys_setgroups(int gidsetsize, gid_t __user *grouplist);

asmlinkage long sys_acct(const char __user *name);
asmlinkage long sys_capget(cap_user_header_t header,
				cap_user_data_t dataptr);
asmlinkage long sys_capset(cap_user_header_t header,
				const cap_user_data_t data);
asmlinkage long sys_personality(u_long personality);

asmlinkage long sys_sigpending(old_sigset_t __user *set);
asmlinkage long sys_sigprocmask(int how, old_sigset_t __user *set,
				old_sigset_t __user *oset);
asmlinkage long sys_getitimer(int which, struct itimerval __user *value);
asmlinkage long sys_setitimer(int which,
				struct itimerval __user *value,
				struct itimerval __user *ovalue);
asmlinkage long sys_timer_create(clockid_t which_clock,
				 struct sigevent __user *timer_event_spec,
				 timer_t __user * created_timer_id);
asmlinkage long sys_timer_gettime(timer_t timer_id,
				struct itimerspec __user *setting);
asmlinkage long sys_timer_getoverrun(timer_t timer_id);
asmlinkage long sys_timer_settime(timer_t timer_id, int flags,
				const struct itimerspec __user *new_setting,
				struct itimerspec __user *old_setting);
asmlinkage long sys_timer_delete(timer_t timer_id);
asmlinkage long sys_clock_settime(clockid_t which_clock,
				const struct timespec __user *tp);
asmlinkage long sys_clock_gettime(clockid_t which_clock,
				struct timespec __user *tp);
asmlinkage long sys_clock_getres(clockid_t which_clock,
				struct timespec __user *tp);
asmlinkage long sys_clock_nanosleep(clockid_t which_clock, int flags,
				const struct timespec __user *rqtp,
				struct timespec __user *rmtp);

asmlinkage long sys_nice(int increment);
asmlinkage long sys_sched_setscheduler(pid_t pid, int policy,
					struct sched_param __user *param);
asmlinkage long sys_sched_setparam(pid_t pid,
					struct sched_param __user *param);
asmlinkage long sys_sched_getscheduler(pid_t pid);
asmlinkage long sys_sched_getparam(pid_t pid,
					struct sched_param __user *param);
asmlinkage long sys_sched_setaffinity(pid_t pid, unsigned int len,
					unsigned long __user *user_mask_ptr);
asmlinkage long sys_sched_getaffinity(pid_t pid, unsigned int len,
					unsigned long __user *user_mask_ptr);
asmlinkage long sys_sched_yield(void);
asmlinkage long sys_sched_get_priority_max(int policy);
asmlinkage long sys_sched_get_priority_min(int policy);
asmlinkage long sys_sched_rr_get_interval(pid_t pid,
					struct timespec __user *interval);
asmlinkage long sys_setpriority(int which, int who, int niceval);
asmlinkage long sys_getpriority(int which, int who);

asmlinkage long sys_shutdown(int, int);
asmlinkage long sys_reboot(int magic1, int magic2, unsigned int cmd,
				void __user *arg);
asmlinkage long sys_restart_syscall(void);
asmlinkage long sys_kexec_load(unsigned long entry, unsigned long nr_segments,
				struct kexec_segment __user *segments,
				unsigned long flags);

asmlinkage long sys_exit(int error_code);
asmlinkage long sys_exit_group(int error_code);
asmlinkage long sys_wait4(pid_t pid, int __user *stat_addr,
				int options, struct rusage __user *ru);
asmlinkage long sys_waitid(int which, pid_t pid,
			   struct siginfo __user *infop,
			   int options, struct rusage __user *ru);
asmlinkage long sys_waitpid(pid_t pid, int __user *stat_addr, int options);
asmlinkage long sys_set_tid_address(int __user *tidptr);
asmlinkage long sys_futex(u32 __user *uaddr, int op, u32 val,
			struct timespec __user *utime, u32 __user *uaddr2,
			u32 val3);

asmlinkage long sys_init_module(void __user *umod, unsigned long len,
				const char __user *uargs);
asmlinkage long sys_delete_module(const char __user *name_user,
				unsigned int flags);

asmlinkage long sys_rt_sigprocmask(int how, sigset_t __user *set,
				sigset_t __user *oset, size_t sigsetsize);
asmlinkage long sys_rt_sigpending(sigset_t __user *set, size_t sigsetsize);
asmlinkage long sys_rt_sigtimedwait(const sigset_t __user *uthese,
				siginfo_t __user *uinfo,
				const struct timespec __user *uts,
				size_t sigsetsize);
asmlinkage long sys_kill(int pid, int sig);
asmlinkage long sys_tgkill(int tgid, int pid, int sig);
asmlinkage long sys_tkill(int pid, int sig);
asmlinkage long sys_rt_sigqueueinfo(int pid, int sig, siginfo_t __user *uinfo);
asmlinkage long sys_sgetmask(void);
asmlinkage long sys_ssetmask(int newmask);
asmlinkage long sys_signal(int sig, __sighandler_t handler);
asmlinkage long sys_pause(void);

asmlinkage long sys_sync(void);
asmlinkage long sys_fsync(unsigned int fd);
asmlinkage long sys_fdatasync(unsigned int fd);
asmlinkage long sys_bdflush(int func, long data);
asmlinkage long sys_mount(char __user *dev_name, char __user *dir_name,
				char __user *type, unsigned long flags,
				void __user *data);
asmlinkage long sys_umount(char __user *name, int flags);
asmlinkage long sys_oldumount(char __user *name);
asmlinkage long sys_truncate(const char __user *path,
				unsigned long length);
asmlinkage long sys_ftruncate(unsigned int fd, unsigned long length);
asmlinkage long sys_stat(char __user *filename,
			struct __old_kernel_stat __user *statbuf);
asmlinkage long sys_statfs(const char __user * path,
				struct statfs __user *buf);
asmlinkage long sys_statfs64(const char __user *path, size_t sz,
				struct statfs64 __user *buf);
asmlinkage long sys_fstatfs(unsigned int fd, struct statfs __user *buf);
asmlinkage long sys_fstatfs64(unsigned int fd, size_t sz,
				struct statfs64 __user *buf);
asmlinkage long sys_lstat(char __user *filename,
			struct __old_kernel_stat __user *statbuf);
asmlinkage long sys_fstat(unsigned int fd,
			struct __old_kernel_stat __user *statbuf);
asmlinkage long sys_newstat(char __user *filename,
				struct stat __user *statbuf);
asmlinkage long sys_newlstat(char __user *filename,
				struct stat __user *statbuf);
asmlinkage long sys_newfstat(unsigned int fd, struct stat __user *statbuf);
asmlinkage long sys_ustat(unsigned dev, struct ustat __user *ubuf);
#if BITS_PER_LONG == 32
asmlinkage long sys_stat64(char __user *filename,
				struct stat64 __user *statbuf);
asmlinkage long sys_fstat64(unsigned long fd, struct stat64 __user *statbuf);
asmlinkage long sys_lstat64(char __user *filename,
				struct stat64 __user *statbuf);
asmlinkage long sys_truncate64(const char __user *path, loff_t length);
asmlinkage long sys_ftruncate64(unsigned int fd, loff_t length);
#endif

asmlinkage long sys_setxattr(const char __user *path, const char __user *name,
			     const void __user *value, size_t size, int flags);
asmlinkage long sys_lsetxattr(const char __user *path, const char __user *name,
			      const void __user *value, size_t size, int flags);
asmlinkage long sys_fsetxattr(int fd, const char __user *name,
			      const void __user *value, size_t size, int flags);
asmlinkage long sys_getxattr(const char __user *path, const char __user *name,
			     void __user *value, size_t size);
asmlinkage long sys_lgetxattr(const char __user *path, const char __user *name,
			      void __user *value, size_t size);
asmlinkage long sys_fgetxattr(int fd, const char __user *name,
			      void __user *value, size_t size);
asmlinkage long sys_listxattr(const char __user *path, char __user *list,
			      size_t size);
asmlinkage long sys_llistxattr(const char __user *path, char __user *list,
			       size_t size);
asmlinkage long sys_flistxattr(int fd, char __user *list, size_t size);
asmlinkage long sys_removexattr(const char __user *path,
				const char __user *name);
asmlinkage long sys_lremovexattr(const char __user *path,
				 const char __user *name);
asmlinkage long sys_fremovexattr(int fd, const char __user *name);

asmlinkage long sys_brk(unsigned long brk);
asmlinkage long sys_mprotect(unsigned long start, size_t len,
				unsigned long prot);
asmlinkage long sys_mremap(unsigned long addr,
			   unsigned long old_len, unsigned long new_len,
			   unsigned long flags, unsigned long new_addr);
asmlinkage long sys_remap_file_pages(unsigned long start, unsigned long size,
			unsigned long prot, unsigned long pgoff,
			unsigned long flags);
asmlinkage long sys_msync(unsigned long start, size_t len, int flags);
asmlinkage long sys_fadvise64(int fd, loff_t offset, size_t len, int advice);
asmlinkage long sys_fadvise64_64(int fd, loff_t offset, loff_t len, int advice);
asmlinkage long sys_munmap(unsigned long addr, size_t len);
asmlinkage long sys_mlock(unsigned long start, size_t len);
asmlinkage long sys_munlock(unsigned long start, size_t len);
asmlinkage long sys_mlockall(int flags);
asmlinkage long sys_munlockall(void);
asmlinkage long sys_madvise(unsigned long start, size_t len, int behavior);
Mode	Name	Size
-rw-r--r--	boot-options.txt	11902	log stats plain blame
-rw-r--r--	cpu-hotplug-spec	1155	log stats plain blame
-rw-r--r--	fake-numa-for-cpusets	3056	log stats plain blame
-rw-r--r--	kernel-stacks	4398	log stats plain blame
-rw-r--r--	machinecheck	3042	log stats plain blame
-rw-r--r--	mm.txt	1196	log stats plain blame
-rw-r--r--	uefi.txt	1070	log stats plain blame