系统调用服务号 linux 2.6.32

系统定义符号集中声明在 /usr/src/kernels/linux-2.6.32/include/linux/syscalls.h中,其定义在不同的文件中

eg:

asmlinkage long sys_getpid(void);  在kernel/timer.c中定义

系统调用函数getpid ----->对应的内核服务程序是sys_getpid系统调用号表中的每一项对应系统调用表中每一项                              系统调用表存储系统调用对应的内核服务程序的地址

系统调用号（号）取------->系统调用表(函数地址)---------->系统服务程序例程

[[email protected] log]# cat  /usr/src/kernels/linux-2.6.32/include/linux/syscalls.h

/*
 * 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;
struct perf_event_attr;

#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/unistd.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_EVENT_PROFILE
#define TRACE_SYS_ENTER_PROFILE(sname)                                         static int prof_sysenter_enable_##sname(void)                                  {                                                                                      return reg_prof_syscall_enter("sys"#sname);                            }                                                                                                                                                             static void prof_sysenter_disable_##sname(void)                                {                                                                                      unreg_prof_syscall_enter("sys"#sname);                                 }

#define TRACE_SYS_EXIT_PROFILE(sname)                                          static int prof_sysexit_enable_##sname(void)                                   {                                                                                      return reg_prof_syscall_exit("sys"#sname);                             }                                                                                                                                                             static void prof_sysexit_disable_##sname(void)                                 {                                                                                      unreg_prof_syscall_exit("sys"#sname);                                  }

#define TRACE_SYS_ENTER_PROFILE_INIT(sname)                                    \
        .profile_count = ATOMIC_INIT(-1),                                              .profile_enable = prof_sysenter_enable_##sname,                                .profile_disable = prof_sysenter_disable_##sname,

#define TRACE_SYS_EXIT_PROFILE_INIT(sname)                                     \
        .profile_count = ATOMIC_INIT(-1),                                              .profile_enable = prof_sysexit_enable_##sname,                                 .profile_disable = prof_sysexit_disable_##sname,
#else
#define TRACE_SYS_ENTER_PROFILE(sname)
#define TRACE_SYS_ENTER_PROFILE_INIT(sname)
#define TRACE_SYS_EXIT_PROFILE(sname)
#define TRACE_SYS_EXIT_PROFILE_INIT(sname)
#endif

#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_TRACE_ENTER_EVENT(sname)                                        static struct ftrace_event_call event_enter_##sname;                    struct trace_event enter_syscall_print_##sname = {                              .trace                  = print_syscall_enter,                  };                                                                      static int init_enter_##sname(void)                                     {                                                                               int num, id;                                                            num = syscall_name_to_nr("sys"#sname);                                  if (num < 0)                                                                    return -ENOSYS;                                                 id = register_ftrace_event(&enter_syscall_print_##sname);                if (!id)                                                                        return -ENODEV;                                                 event_enter_##sname.id = id;                                            set_syscall_enter_id(num, id);                                          INIT_LIST_HEAD(&event_enter_##sname.fields);                            return 0;                                                       }                                                                       TRACE_SYS_ENTER_PROFILE(sname);                                         static struct ftrace_event_call __used                                    __attribute__((__aligned__(4)))                                         __attribute__((section("_ftrace_events")))                              event_enter_##sname = {                                                       .name                   = "sys_enter"#sname,                            .system                 = "syscalls",                                   .event                  = &event_syscall_enter,                         .raw_init               = init_enter_##sname,                           .show_format            = syscall_enter_format,                         .define_fields          = syscall_enter_define_fields,                  .regfunc                = reg_event_syscall_enter,                      .unregfunc              = unreg_event_syscall_enter,                    .data                   = "sys"#sname,                                  TRACE_SYS_ENTER_PROFILE_INIT(sname)                             }

#define SYSCALL_TRACE_EXIT_EVENT(sname)                                         static struct ftrace_event_call event_exit_##sname;                     struct trace_event exit_syscall_print_##sname = {                               .trace                  = print_syscall_exit,                   };                                                                      static int init_exit_##sname(void)                                      {                                                                               int num, id;                                                            num = syscall_name_to_nr("sys"#sname);                                  if (num < 0)                                                                    return -ENOSYS;                                                 id = register_ftrace_event(&exit_syscall_print_##sname);                if (!id)                                                                        return -ENODEV;                                                 event_exit_##sname.id = id;                                             set_syscall_exit_id(num, id);                                           INIT_LIST_HEAD(&event_exit_##sname.fields);                             return 0;                                                       }                                                                       TRACE_SYS_EXIT_PROFILE(sname);                                          static struct ftrace_event_call __used                                    __attribute__((__aligned__(4)))                                         __attribute__((section("_ftrace_events")))                              event_exit_##sname = {                                                        .name                   = "sys_exit"#sname,                             .system                 = "syscalls",                                   .event                  = &event_syscall_exit,                          .raw_init               = init_exit_##sname,                            .show_format            = syscall_exit_format,                          .define_fields          = syscall_exit_define_fields,                   .regfunc                = reg_event_syscall_exit,                       .unregfunc              = unreg_event_syscall_exit,                     .data                   = "sys"#sname,                                  TRACE_SYS_EXIT_PROFILE_INIT(sname)                              }

#define SYSCALL_METADATA(sname, nb)                             \
        SYSCALL_TRACE_ENTER_EVENT(sname);                               SYSCALL_TRACE_EXIT_EVENT(sname);                                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,                                 .enter_event    = &event_enter_##sname,                         .exit_event     = &event_exit_##sname,                  };

#define SYSCALL_DEFINE0(sname)                                  \
        SYSCALL_TRACE_ENTER_EVENT(_##sname);                            SYSCALL_TRACE_EXIT_EVENT(_##sname);                             static const struct syscall_metadata __used                       __attribute__((__aligned__(4)))                                 __attribute__((section("__syscalls_metadata")))                 __syscall_meta_##sname = {                                            .name           = "sys_"#sname,                                 .nb_args        = 0,                                            .enter_event    = &event_enter__##sname,                        .exit_event     = &event_exit__##sname,                 };                                                              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_rt_tgsigqueueinfo(pid_t tgid, pid_t  pid, int sig,
                siginfo_t __user *uinfo);
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, 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);
asmlinkage long sys_mincore(unsigned long start, size_t len,
                                unsigned char __user * vec);

asmlinkage long sys_pivot_root(const char __user *new_root,
                                const char __user *put_old);
asmlinkage long sys_chroot(const char __user *filename);
asmlinkage long sys_mknod(const char __user *filename, int mode,
                                unsigned dev);
asmlinkage long sys_link(const char __user *oldname,
                                const char __user *newname);
asmlinkage long sys_symlink(const char __user *old, const char __user *new);
asmlinkage long sys_unlink(const char __user *pathname);
asmlinkage long sys_rename(const char __user *oldname,
                                const char __user *newname);
asmlinkage long sys_chmod(const char __user *filename, mode_t mode);
asmlinkage long sys_fchmod(unsigned int fd, mode_t mode);

asmlinkage long sys_fcntl(unsigned int fd, unsigned int cmd, unsigned long arg);
#if BITS_PER_LONG == 32
asmlinkage long sys_fcntl64(unsigned int fd,
                                unsigned int cmd, unsigned long arg);
#endif
asmlinkage long sys_pipe(int __user *fildes);
asmlinkage long sys_pipe2(int __user *fildes, int flags);
asmlinkage long sys_dup(unsigned int fildes);
asmlinkage long sys_dup2(unsigned int oldfd, unsigned int newfd);
asmlinkage long sys_dup3(unsigned int oldfd, unsigned int newfd, int flags);
asmlinkage long sys_ioperm(unsigned long from, unsigned long num, int on);
asmlinkage long sys_ioctl(unsigned int fd, unsigned int cmd,
                                unsigned long arg);
asmlinkage long sys_flock(unsigned int fd, unsigned int cmd);
asmlinkage long sys_io_setup(unsigned nr_reqs, aio_context_t __user *ctx);
asmlinkage long sys_io_destroy(aio_context_t ctx);
asmlinkage long sys_io_getevents(aio_context_t ctx_id,
                                long min_nr,
                                long nr,
                                struct io_event __user *events,
                                struct timespec __user *timeout);
asmlinkage long sys_io_submit(aio_context_t, long,
                                struct iocb __user * __user *);
asmlinkage long sys_io_cancel(aio_context_t ctx_id, struct iocb __user *iocb,
                              struct io_event __user *result);
asmlinkage long sys_sendfile(int out_fd, int in_fd,
                             off_t __user *offset, size_t count);
asmlinkage long sys_sendfile64(int out_fd, int in_fd,
                               loff_t __user *offset, size_t count);
asmlinkage long sys_readlink(const char __user *path,
                                char __user *buf, int bufsiz);
asmlinkage long sys_creat(const char __user *pathname, int mode);
asmlinkage long sys_open(const char __user *filename,
                                int flags, int mode);
asmlinkage long sys_close(unsigned int fd);
asmlinkage long sys_access(const char __user *filename, int mode);
asmlinkage long sys_vhangup(void);
asmlinkage long sys_chown(const char __user *filename,
                                uid_t user, gid_t group);
asmlinkage long sys_lchown(const char __user *filename,
                                uid_t user, gid_t group);
asmlinkage long sys_fchown(unsigned int fd, uid_t user, gid_t group);
#ifdef CONFIG_UID16
asmlinkage long sys_chown16(const char __user *filename,
                                old_uid_t user, old_gid_t group);
asmlinkage long sys_lchown16(const char __user *filename,
                                old_uid_t user, old_gid_t group);
asmlinkage long sys_fchown16(unsigned int fd, old_uid_t user, old_gid_t group);
asmlinkage long sys_setregid16(old_gid_t rgid, old_gid_t egid);
asmlinkage long sys_setgid16(old_gid_t gid);
asmlinkage long sys_setreuid16(old_uid_t ruid, old_uid_t euid);
asmlinkage long sys_setuid16(old_uid_t uid);
asmlinkage long sys_setresuid16(old_uid_t ruid, old_uid_t euid, old_uid_t suid);
asmlinkage long sys_getresuid16(old_uid_t __user *ruid,
                                old_uid_t __user *euid, old_uid_t __user *suid);
asmlinkage long sys_setresgid16(old_gid_t rgid, old_gid_t egid, old_gid_t sgid);
asmlinkage long sys_getresgid16(old_gid_t __user *rgid,
                                old_gid_t __user *egid, old_gid_t __user *sgid);
asmlinkage long sys_setfsuid16(old_uid_t uid);
asmlinkage long sys_setfsgid16(old_gid_t gid);
asmlinkage long sys_getgroups16(int gidsetsize, old_gid_t __user *grouplist);
asmlinkage long sys_setgroups16(int gidsetsize, old_gid_t __user *grouplist);
asmlinkage long sys_getuid16(void);
asmlinkage long sys_geteuid16(void);
asmlinkage long sys_getgid16(void);
asmlinkage long sys_getegid16(void);
#endif

asmlinkage long sys_utime(char __user *filename,
                                struct utimbuf __user *times);
asmlinkage long sys_utimes(char __user *filename,
                                struct timeval __user *utimes);
asmlinkage long sys_lseek(unsigned int fd, off_t offset,
                          unsigned int origin);
asmlinkage long sys_llseek(unsigned int fd, unsigned long offset_high,
                        unsigned long offset_low, loff_t __user *result,
                        unsigned int origin);
asmlinkage long sys_read(unsigned int fd, char __user *buf, size_t count);
asmlinkage long sys_readahead(int fd, loff_t offset, size_t count);
asmlinkage long sys_readv(unsigned long fd,
                          const struct iovec __user *vec,
                          unsigned long vlen);
asmlinkage long sys_write(unsigned int fd, const char __user *buf,
                          size_t count);
asmlinkage long sys_writev(unsigned long fd,
                           const struct iovec __user *vec,
                           unsigned long vlen);
asmlinkage long sys_pread64(unsigned int fd, char __user *buf,
                            size_t count, loff_t pos);
asmlinkage long sys_pwrite64(unsigned int fd, const char __user *buf,
                             size_t count, loff_t pos);
asmlinkage long sys_preadv(unsigned long fd, const struct iovec __user *vec,
                           unsigned long vlen, unsigned long pos_l, unsigned long pos_h);
asmlinkage long sys_pwritev(unsigned long fd, const struct iovec __user *vec,
                            unsigned long vlen, unsigned long pos_l, unsigned long pos_h);
asmlinkage long sys_getcwd(char __user *buf, unsigned long size);
asmlinkage long sys_mkdir(const char __user *pathname, int mode);
asmlinkage long sys_chdir(const char __user *filename);
asmlinkage long sys_fchdir(unsigned int fd);
asmlinkage long sys_rmdir(const char __user *pathname);
asmlinkage long sys_lookup_dcookie(u64 cookie64, char __user *buf, size_t len);
asmlinkage long sys_quotactl(unsigned int cmd, const char __user *special,
                                qid_t id, void __user *addr);
asmlinkage long sys_getdents(unsigned int fd,
                                struct linux_dirent __user *dirent,
                                unsigned int count);
asmlinkage long sys_getdents64(unsigned int fd,
                                struct linux_dirent64 __user *dirent,
                                unsigned int count);

asmlinkage long sys_setsockopt(int fd, int level, int optname,
                                char __user *optval, int optlen);
asmlinkage long sys_getsockopt(int fd, int level, int optname,
                                char __user *optval, int __user *optlen);
asmlinkage long sys_bind(int, struct sockaddr __user *, int);
asmlinkage long sys_connect(int, struct sockaddr __user *, int);
asmlinkage long sys_accept(int, struct sockaddr __user *, int __user *);
asmlinkage long sys_accept4(int, struct sockaddr __user *, int __user *, int);
asmlinkage long sys_getsockname(int, struct sockaddr __user *, int __user *);
asmlinkage long sys_getpeername(int, struct sockaddr __user *, int __user *);
asmlinkage long sys_send(int, void __user *, size_t, unsigned);
asmlinkage long sys_sendto(int, void __user *, size_t, unsigned,
                                struct sockaddr __user *, int);
asmlinkage long sys_sendmsg(int fd, struct msghdr __user *msg, unsigned flags);
asmlinkage long sys_recv(int, void __user *, size_t, unsigned);
asmlinkage long sys_recvfrom(int, void __user *, size_t, unsigned,
                                struct sockaddr __user *, int __user *);
asmlinkage long sys_recvmsg(int fd, struct msghdr __user *msg, unsigned flags);
asmlinkage long sys_socket(int, int, int);
asmlinkage long sys_socketpair(int, int, int, int __user *);
asmlinkage long sys_socketcall(int call, unsigned long __user *args);
asmlinkage long sys_listen(int, int);
asmlinkage long sys_poll(struct pollfd __user *ufds, unsigned int nfds,
                                long timeout);
asmlinkage long sys_select(int n, fd_set __user *inp, fd_set __user *outp,
                        fd_set __user *exp, struct timeval __user *tvp);
asmlinkage long sys_epoll_create(int size);
asmlinkage long sys_epoll_create1(int flags);
asmlinkage long sys_epoll_ctl(int epfd, int op, int fd,
                                struct epoll_event __user *event);
asmlinkage long sys_epoll_wait(int epfd, struct epoll_event __user *events,
                                int maxevents, int timeout);
asmlinkage long sys_epoll_pwait(int epfd, struct epoll_event __user *events,
                                int maxevents, int timeout,
                                const sigset_t __user *sigmask,
                                size_t sigsetsize);
asmlinkage long sys_gethostname(char __user *name, int len);
asmlinkage long sys_sethostname(char __user *name, int len);
asmlinkage long sys_setdomainname(char __user *name, int len);
asmlinkage long sys_newuname(struct new_utsname __user *name);

asmlinkage long sys_getrlimit(unsigned int resource,
                                struct rlimit __user *rlim);
#if defined(COMPAT_RLIM_OLD_INFINITY) || !(defined(CONFIG_IA64))
asmlinkage long sys_old_getrlimit(unsigned int resource, struct rlimit __user *rlim);
#endif
asmlinkage long sys_setrlimit(unsigned int resource,
                                struct rlimit __user *rlim);
asmlinkage long sys_getrusage(int who, struct rusage __user *ru);
asmlinkage long sys_umask(int mask);

asmlinkage long sys_msgget(key_t key, int msgflg);
asmlinkage long sys_msgsnd(int msqid, struct msgbuf __user *msgp,
                                size_t msgsz, int msgflg);
asmlinkage long sys_msgrcv(int msqid, struct msgbuf __user *msgp,
                                size_t msgsz, long msgtyp, int msgflg);
asmlinkage long sys_msgctl(int msqid, int cmd, struct msqid_ds __user *buf);

asmlinkage long sys_semget(key_t key, int nsems, int semflg);
asmlinkage long sys_semop(int semid, struct sembuf __user *sops,
                                unsigned nsops);
asmlinkage long sys_semctl(int semid, int semnum, int cmd, union semun arg);
asmlinkage long sys_semtimedop(int semid, struct sembuf __user *sops,
                                unsigned nsops,
                                const struct timespec __user *timeout);
asmlinkage long sys_shmat(int shmid, char __user *shmaddr, int shmflg);
asmlinkage long sys_shmget(key_t key, size_t size, int flag);
asmlinkage long sys_shmdt(char __user *shmaddr);
asmlinkage long sys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf);

asmlinkage long sys_mq_open(const char __user *name, int oflag, mode_t mode, struct mq_attr __user *attr);
asmlinkage long sys_mq_unlink(const char __user *name);
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);
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);
asmlinkage long sys_mq_notify(mqd_t mqdes, const struct sigevent __user *notification);
asmlinkage long sys_mq_getsetattr(mqd_t mqdes, const struct mq_attr __user *mqstat, struct mq_attr __user *omqstat);

asmlinkage long sys_pciconfig_iobase(long which, unsigned long bus, unsigned long devfn);
asmlinkage long sys_pciconfig_read(unsigned long bus, unsigned long dfn,
                                unsigned long off, unsigned long len,
                                void __user *buf);
asmlinkage long sys_pciconfig_write(unsigned long bus, unsigned long dfn,
                                unsigned long off, unsigned long len,
                                void __user *buf);

asmlinkage long sys_prctl(int option, unsigned long arg2, unsigned long arg3,
                        unsigned long arg4, unsigned long arg5);
asmlinkage long sys_swapon(const char __user *specialfile, int swap_flags);
asmlinkage long sys_swapoff(const char __user *specialfile);
asmlinkage long sys_sysctl(struct __sysctl_args __user *args);
asmlinkage long sys_sysinfo(struct sysinfo __user *info);
asmlinkage long sys_sysfs(int option,
                                unsigned long arg1, unsigned long arg2);
asmlinkage long sys_nfsservctl(int cmd,
                                struct nfsctl_arg __user *arg,
                                void __user *res);
asmlinkage long sys_syslog(int type, char __user *buf, int len);
asmlinkage long sys_uselib(const char __user *library);
asmlinkage long sys_ni_syscall(void);
asmlinkage long sys_ptrace(long request, long pid, long addr, long data);

asmlinkage long sys_add_key(const char __user *_type,
                            const char __user *_description,
                            const void __user *_payload,
                            size_t plen,
                            key_serial_t destringid);

asmlinkage long sys_request_key(const char __user *_type,
                                const char __user *_description,
                                const char __user *_callout_info,
                                key_serial_t destringid);

asmlinkage long sys_keyctl(int cmd, unsigned long arg2, unsigned long arg3,
                           unsigned long arg4, unsigned long arg5);

asmlinkage long sys_ioprio_set(int which, int who, int ioprio);
asmlinkage long sys_ioprio_get(int which, int who);
asmlinkage long sys_set_mempolicy(int mode, unsigned long __user *nmask,
                                unsigned long maxnode);
asmlinkage long sys_migrate_pages(pid_t pid, unsigned long maxnode,
                                const unsigned long __user *from,
                                const unsigned long __user *to);
asmlinkage long sys_move_pages(pid_t pid, unsigned long nr_pages,
                                const void __user * __user *pages,
                                const int __user *nodes,
                                int __user *status,
                                int flags);
asmlinkage long sys_mbind(unsigned long start, unsigned long len,
                                unsigned long mode,
                                unsigned long __user *nmask,
                                unsigned long maxnode,
                                unsigned flags);
asmlinkage long sys_get_mempolicy(int __user *policy,
                                unsigned long __user *nmask,
                                unsigned long maxnode,
                                unsigned long addr, unsigned long flags);

asmlinkage long sys_inotify_init(void);
asmlinkage long sys_inotify_init1(int flags);
asmlinkage long sys_inotify_add_watch(int fd, const char __user *path,
                                        u32 mask);
asmlinkage long sys_inotify_rm_watch(int fd, __s32 wd);

asmlinkage long sys_spu_run(int fd, __u32 __user *unpc,
                                 __u32 __user *ustatus);
asmlinkage long sys_spu_create(const char __user *name,
                unsigned int flags, mode_t mode, int fd);

asmlinkage long sys_mknodat(int dfd, const char __user * filename, int mode,
                            unsigned dev);
asmlinkage long sys_mkdirat(int dfd, const char __user * pathname, int mode);
asmlinkage long sys_unlinkat(int dfd, const char __user * pathname, int flag);
asmlinkage long sys_symlinkat(const char __user * oldname,
                              int newdfd, const char __user * newname);
asmlinkage long sys_linkat(int olddfd, const char __user *oldname,
                           int newdfd, const char __user *newname, int flags);
asmlinkage long sys_renameat(int olddfd, const char __user * oldname,
                             int newdfd, const char __user * newname);
asmlinkage long sys_futimesat(int dfd, char __user *filename,
                              struct timeval __user *utimes);
asmlinkage long sys_faccessat(int dfd, const char __user *filename, int mode);
asmlinkage long sys_fchmodat(int dfd, const char __user * filename,
                             mode_t mode);
asmlinkage long sys_fchownat(int dfd, const char __user *filename, uid_t user,
                             gid_t group, int flag);
asmlinkage long sys_openat(int dfd, const char __user *filename, int flags,
                           int mode);
asmlinkage long sys_newfstatat(int dfd, char __user *filename,
                               struct stat __user *statbuf, int flag);
asmlinkage long sys_fstatat64(int dfd, char __user *filename,
                               struct stat64 __user *statbuf, int flag);
asmlinkage long sys_readlinkat(int dfd, const char __user *path, char __user *buf,
                               int bufsiz);
asmlinkage long sys_utimensat(int dfd, char __user *filename,
                                struct timespec __user *utimes, int flags);
asmlinkage long sys_unshare(unsigned long unshare_flags);

asmlinkage long sys_splice(int fd_in, loff_t __user *off_in,
                           int fd_out, loff_t __user *off_out,
                           size_t len, unsigned int flags);

asmlinkage long sys_vmsplice(int fd, const struct iovec __user *iov,
                             unsigned long nr_segs, unsigned int flags);

asmlinkage long sys_tee(int fdin, int fdout, size_t len, unsigned int flags);

asmlinkage long sys_sync_file_range(int fd, loff_t offset, loff_t nbytes,
                                        unsigned int flags);
asmlinkage long sys_sync_file_range2(int fd, unsigned int flags,
                                     loff_t offset, loff_t nbytes);
asmlinkage long sys_get_robust_list(int pid,
                                    struct robust_list_head __user * __user *head_ptr,
                                    size_t __user *len_ptr);
asmlinkage long sys_set_robust_list(struct robust_list_head __user *head,
                                    size_t len);
asmlinkage long sys_getcpu(unsigned __user *cpu, unsigned __user *node, struct getcpu_cache __user *cache);
asmlinkage long sys_signalfd(int ufd, sigset_t __user *user_mask, size_t sizemask);
asmlinkage long sys_signalfd4(int ufd, sigset_t __user *user_mask, size_t sizemask, int flags);
asmlinkage long sys_timerfd_create(int clockid, int flags);
asmlinkage long sys_timerfd_settime(int ufd, int flags,
                                    const struct itimerspec __user *utmr,
                                    struct itimerspec __user *otmr);
asmlinkage long sys_timerfd_gettime(int ufd, struct itimerspec __user *otmr);
asmlinkage long sys_eventfd(unsigned int count);
asmlinkage long sys_eventfd2(unsigned int count, int flags);
asmlinkage long sys_fallocate(int fd, int mode, loff_t offset, loff_t len);
asmlinkage long sys_old_readdir(unsigned int, struct old_linux_dirent __user *, unsigned int);
asmlinkage long sys_pselect6(int, fd_set __user *, fd_set __user *,
                             fd_set __user *, struct timespec __user *,
                             void __user *);
asmlinkage long sys_ppoll(struct pollfd __user *, unsigned int,
                          struct timespec __user *, const sigset_t __user *,
                          size_t);

int kernel_execve(const char *filename, char *const argv[], char *const envp[]);

asmlinkage long sys_perf_event_open(
                struct perf_event_attr __user *attr_uptr,
                pid_t pid, int cpu, int group_fd, unsigned long flags);
#endif
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