68d9102f76
Patch from Nicolas Pitre
The prototype for sys_fadvise64_64() is:
long sys_fadvise64_64(int fd, loff_t offset, loff_t len, int advice)
The argument list is therefore as follows on legacy ABI:
fd: type int (r0)
offset: type long long (r1-r2)
len: type long long (r3-sp[0])
advice: type int (sp[4])
With EABI this becomes:
fd: type int (r0)
offset: type long long (r2-r3)
len: type long long (sp[0]-sp[4])
advice: type int (sp[8])
Not only do we have ABI differences here, but the EABI version requires
one additional word on the syscall stack.
To avoid the ABI mismatch and the extra stack space required with EABI
this syscall is now defined with a different argument ordering
on ARM as follows:
long sys_arm_fadvise64_64(int fd, int advice, loff_t offset, loff_t len)
This gives us the following ABI independent argument distribution:
fd: type int (r0)
advice: type int (r1)
offset: type long long (r2-r3)
len: type long long (sp[0]-sp[4])
Now, since the syscall entry code takes care of 5 registers only by
default including the store of r4 to the stack, we need a wrapper to
store r5 to the stack as well. Because that wrapper was missing and was
always required this means that sys_fadvise64_64 never worked on ARM and
therefore we can safely reuse its syscall number for our new
sys_arm_fadvise64_64 interface.
Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
342 lines
8.6 KiB
ArmAsm
342 lines
8.6 KiB
ArmAsm
/*
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* linux/arch/arm/kernel/calls.S
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*
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* Copyright (C) 1995-2005 Russell King
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This file is included twice in entry-common.S
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*/
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#ifndef NR_syscalls
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#define NR_syscalls 320
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#else
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__syscall_start:
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/* 0 */ .long sys_restart_syscall
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.long sys_exit
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.long sys_fork_wrapper
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.long sys_read
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.long sys_write
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/* 5 */ .long sys_open
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.long sys_close
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.long sys_ni_syscall /* was sys_waitpid */
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.long sys_creat
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.long sys_link
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/* 10 */ .long sys_unlink
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.long sys_execve_wrapper
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.long sys_chdir
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.long sys_time /* used by libc4 */
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.long sys_mknod
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/* 15 */ .long sys_chmod
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.long sys_lchown16
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.long sys_ni_syscall /* was sys_break */
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.long sys_ni_syscall /* was sys_stat */
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.long sys_lseek
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/* 20 */ .long sys_getpid
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.long sys_mount
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.long sys_oldumount /* used by libc4 */
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.long sys_setuid16
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.long sys_getuid16
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/* 25 */ .long sys_stime
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.long sys_ptrace
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.long sys_alarm /* used by libc4 */
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.long sys_ni_syscall /* was sys_fstat */
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.long sys_pause
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/* 30 */ .long sys_utime /* used by libc4 */
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.long sys_ni_syscall /* was sys_stty */
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.long sys_ni_syscall /* was sys_getty */
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.long sys_access
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.long sys_nice
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/* 35 */ .long sys_ni_syscall /* was sys_ftime */
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.long sys_sync
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.long sys_kill
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.long sys_rename
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.long sys_mkdir
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/* 40 */ .long sys_rmdir
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.long sys_dup
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.long sys_pipe
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.long sys_times
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.long sys_ni_syscall /* was sys_prof */
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/* 45 */ .long sys_brk
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.long sys_setgid16
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.long sys_getgid16
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.long sys_ni_syscall /* was sys_signal */
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.long sys_geteuid16
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/* 50 */ .long sys_getegid16
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.long sys_acct
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.long sys_umount
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.long sys_ni_syscall /* was sys_lock */
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.long sys_ioctl
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/* 55 */ .long sys_fcntl
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.long sys_ni_syscall /* was sys_mpx */
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.long sys_setpgid
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.long sys_ni_syscall /* was sys_ulimit */
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.long sys_ni_syscall /* was sys_olduname */
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/* 60 */ .long sys_umask
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.long sys_chroot
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.long sys_ustat
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.long sys_dup2
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.long sys_getppid
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/* 65 */ .long sys_getpgrp
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.long sys_setsid
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.long sys_sigaction
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.long sys_ni_syscall /* was sys_sgetmask */
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.long sys_ni_syscall /* was sys_ssetmask */
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/* 70 */ .long sys_setreuid16
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.long sys_setregid16
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.long sys_sigsuspend_wrapper
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.long sys_sigpending
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.long sys_sethostname
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/* 75 */ .long sys_setrlimit
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.long sys_old_getrlimit /* used by libc4 */
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.long sys_getrusage
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.long sys_gettimeofday
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.long sys_settimeofday
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/* 80 */ .long sys_getgroups16
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.long sys_setgroups16
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.long old_select /* used by libc4 */
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.long sys_symlink
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.long sys_ni_syscall /* was sys_lstat */
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/* 85 */ .long sys_readlink
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.long sys_uselib
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.long sys_swapon
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.long sys_reboot
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.long old_readdir /* used by libc4 */
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/* 90 */ .long old_mmap /* used by libc4 */
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.long sys_munmap
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.long sys_truncate
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.long sys_ftruncate
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.long sys_fchmod
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/* 95 */ .long sys_fchown16
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.long sys_getpriority
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.long sys_setpriority
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.long sys_ni_syscall /* was sys_profil */
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.long sys_statfs
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/* 100 */ .long sys_fstatfs
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.long sys_ni_syscall
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.long sys_socketcall
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.long sys_syslog
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.long sys_setitimer
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/* 105 */ .long sys_getitimer
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.long sys_newstat
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.long sys_newlstat
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.long sys_newfstat
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.long sys_ni_syscall /* was sys_uname */
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/* 110 */ .long sys_ni_syscall /* was sys_iopl */
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.long sys_vhangup
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.long sys_ni_syscall
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.long sys_syscall /* call a syscall */
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.long sys_wait4
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/* 115 */ .long sys_swapoff
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.long sys_sysinfo
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.long sys_ipc
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.long sys_fsync
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.long sys_sigreturn_wrapper
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/* 120 */ .long sys_clone_wrapper
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.long sys_setdomainname
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.long sys_newuname
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.long sys_ni_syscall
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.long sys_adjtimex
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/* 125 */ .long sys_mprotect
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.long sys_sigprocmask
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.long sys_ni_syscall /* was sys_create_module */
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.long sys_init_module
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.long sys_delete_module
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/* 130 */ .long sys_ni_syscall /* was sys_get_kernel_syms */
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.long sys_quotactl
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.long sys_getpgid
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.long sys_fchdir
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.long sys_bdflush
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/* 135 */ .long sys_sysfs
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.long sys_personality
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.long sys_ni_syscall /* .long _sys_afs_syscall */
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.long sys_setfsuid16
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.long sys_setfsgid16
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/* 140 */ .long sys_llseek
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.long sys_getdents
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.long sys_select
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.long sys_flock
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.long sys_msync
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/* 145 */ .long sys_readv
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.long sys_writev
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.long sys_getsid
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.long sys_fdatasync
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.long sys_sysctl
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/* 150 */ .long sys_mlock
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.long sys_munlock
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.long sys_mlockall
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.long sys_munlockall
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.long sys_sched_setparam
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/* 155 */ .long sys_sched_getparam
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.long sys_sched_setscheduler
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.long sys_sched_getscheduler
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.long sys_sched_yield
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.long sys_sched_get_priority_max
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/* 160 */ .long sys_sched_get_priority_min
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.long sys_sched_rr_get_interval
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.long sys_nanosleep
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.long sys_arm_mremap
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.long sys_setresuid16
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/* 165 */ .long sys_getresuid16
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.long sys_ni_syscall
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.long sys_ni_syscall /* was sys_query_module */
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.long sys_poll
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.long sys_nfsservctl
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/* 170 */ .long sys_setresgid16
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.long sys_getresgid16
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.long sys_prctl
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.long sys_rt_sigreturn_wrapper
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.long sys_rt_sigaction
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/* 175 */ .long sys_rt_sigprocmask
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.long sys_rt_sigpending
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.long sys_rt_sigtimedwait
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.long sys_rt_sigqueueinfo
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.long sys_rt_sigsuspend_wrapper
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/* 180 */ .long sys_pread64
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.long sys_pwrite64
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.long sys_chown16
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.long sys_getcwd
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.long sys_capget
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/* 185 */ .long sys_capset
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.long sys_sigaltstack_wrapper
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.long sys_sendfile
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.long sys_ni_syscall
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.long sys_ni_syscall
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/* 190 */ .long sys_vfork_wrapper
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.long sys_getrlimit
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.long sys_mmap2
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.long sys_truncate64
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.long sys_ftruncate64
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/* 195 */ .long sys_stat64
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.long sys_lstat64
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.long sys_fstat64
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.long sys_lchown
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.long sys_getuid
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/* 200 */ .long sys_getgid
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.long sys_geteuid
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.long sys_getegid
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.long sys_setreuid
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.long sys_setregid
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/* 205 */ .long sys_getgroups
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.long sys_setgroups
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.long sys_fchown
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.long sys_setresuid
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.long sys_getresuid
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/* 210 */ .long sys_setresgid
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.long sys_getresgid
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.long sys_chown
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.long sys_setuid
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.long sys_setgid
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/* 215 */ .long sys_setfsuid
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.long sys_setfsgid
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.long sys_getdents64
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.long sys_pivot_root
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.long sys_mincore
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/* 220 */ .long sys_madvise
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.long sys_fcntl64
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.long sys_ni_syscall /* TUX */
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.long sys_ni_syscall
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.long sys_gettid
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/* 225 */ .long sys_readahead
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.long sys_setxattr
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.long sys_lsetxattr
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.long sys_fsetxattr
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.long sys_getxattr
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/* 230 */ .long sys_lgetxattr
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.long sys_fgetxattr
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.long sys_listxattr
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.long sys_llistxattr
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.long sys_flistxattr
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/* 235 */ .long sys_removexattr
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.long sys_lremovexattr
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.long sys_fremovexattr
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.long sys_tkill
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.long sys_sendfile64
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/* 240 */ .long sys_futex_wrapper
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.long sys_sched_setaffinity
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.long sys_sched_getaffinity
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.long sys_io_setup
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.long sys_io_destroy
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/* 245 */ .long sys_io_getevents
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.long sys_io_submit
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.long sys_io_cancel
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.long sys_exit_group
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.long sys_lookup_dcookie
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/* 250 */ .long sys_epoll_create
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.long sys_epoll_ctl
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.long sys_epoll_wait
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.long sys_remap_file_pages
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.long sys_ni_syscall /* sys_set_thread_area */
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/* 255 */ .long sys_ni_syscall /* sys_get_thread_area */
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.long sys_set_tid_address
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.long sys_timer_create
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.long sys_timer_settime
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.long sys_timer_gettime
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/* 260 */ .long sys_timer_getoverrun
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.long sys_timer_delete
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.long sys_clock_settime
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.long sys_clock_gettime
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.long sys_clock_getres
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/* 265 */ .long sys_clock_nanosleep
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.long sys_statfs64
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.long sys_fstatfs64
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.long sys_tgkill
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.long sys_utimes
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/* 270 */ .long sys_arm_fadvise64_64_wrapper
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.long sys_pciconfig_iobase
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.long sys_pciconfig_read
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.long sys_pciconfig_write
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.long sys_mq_open
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/* 275 */ .long sys_mq_unlink
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.long sys_mq_timedsend
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.long sys_mq_timedreceive
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.long sys_mq_notify
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.long sys_mq_getsetattr
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/* 280 */ .long sys_waitid
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.long sys_socket
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.long sys_bind
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.long sys_connect
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.long sys_listen
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/* 285 */ .long sys_accept
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.long sys_getsockname
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.long sys_getpeername
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.long sys_socketpair
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.long sys_send
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/* 290 */ .long sys_sendto
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.long sys_recv
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.long sys_recvfrom
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.long sys_shutdown
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.long sys_setsockopt
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/* 295 */ .long sys_getsockopt
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.long sys_sendmsg
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.long sys_recvmsg
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.long sys_semop
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.long sys_semget
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/* 300 */ .long sys_semctl
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.long sys_msgsnd
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.long sys_msgrcv
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.long sys_msgget
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.long sys_msgctl
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/* 305 */ .long sys_shmat
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.long sys_shmdt
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.long sys_shmget
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.long sys_shmctl
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.long sys_add_key
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/* 310 */ .long sys_request_key
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.long sys_keyctl
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.long sys_semtimedop
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/* vserver */ .long sys_ni_syscall
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.long sys_ioprio_set
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/* 315 */ .long sys_ioprio_get
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.long sys_inotify_init
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.long sys_inotify_add_watch
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.long sys_inotify_rm_watch
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__syscall_end:
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.rept NR_syscalls - (__syscall_end - __syscall_start) / 4
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.long sys_ni_syscall
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.endr
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#endif
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