3a26703803
* configure.in: Support cris-*-* and crisv32-*-*.
* libnosys/configure.in: Ditto.
* configure, libnosys/configure: Regenerate.
* cris: New directory.
* cris/crt0.S, cris/crtn.c, cris/gensyscalls, cris/linunistd.h,
cris/outbyte.c, cris/configure.in, cris/crti.c, cris/lcrt0.c,
cris/Makefile.in, cris/setup.S, cris/configure: New files.
424 lines
13 KiB
C
424 lines
13 KiB
C
/* Support for syscalls for cris*-axis-linux-gnu and simulators
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Copyright (C) 1998-2005 Axis Communications.
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Neither the name of Axis Communications nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY AXIS COMMUNICATIONS AND ITS CONTRIBUTORS
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``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL AXIS
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COMMUNICATIONS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE. */
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/* Derived from asm-etrax100/unistd.h with minor modifications to fit as
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LOSS for newlib. */
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#ifndef _ASM_ELINUX_UNISTD_H_
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#define _ASM_ELINUX_UNISTD_H_
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/* Our callers might want to use link_warning, so provide it from here. */
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#include "../libnosys/config.h"
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#include "libnosys/warning.h"
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#include <errno.h>
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#undef errno
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extern int errno;
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/*
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* This file contains the system call numbers, and stub macros for libc.
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*/
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#define __NR_setup 0 /* used only by init, to get system going */
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#define __NR_exit 1
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#define __NR_fork 2
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#define __NR_read 3
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#define __NR_write 4
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#define __NR_open 5
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#define __NR_close 6
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#define __NR_waitpid 7
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#define __NR_creat 8
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#define __NR_link 9
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#define __NR_unlink 10
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#define __NR_execve 11
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#define __NR_chdir 12
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#define __NR_time 13
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#define __NR_mknod 14
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#define __NR_chmod 15
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#define __NR_chown 16
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#define __NR_break 17
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#define __NR_oldstat 18
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#define __NR_lseek 19
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#define __NR_getpid 20
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#define __NR_mount 21
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#define __NR_umount 22
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#define __NR_setuid 23
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#define __NR_getuid 24
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#define __NR_stime 25
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#define __NR_ptrace 26
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#define __NR_alarm 27
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#define __NR_oldfstat 28
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#define __NR_pause 29
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#define __NR_utime 30
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#define __NR_stty 31
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#define __NR_gtty 32
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#define __NR_access 33
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#define __NR_nice 34
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#define __NR_ftime 35
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#define __NR_sync 36
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#define __NR_kill 37
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#define __NR_rename 38
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#define __NR_mkdir 39
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#define __NR_rmdir 40
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#define __NR_dup 41
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#define __NR_pipe 42
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#define __NR_times 43
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#define __NR_prof 44
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#define __NR_brk 45
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#define __NR_setgid 46
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#define __NR_getgid 47
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#define __NR_signal 48
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#define __NR_geteuid 49
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#define __NR_getegid 50
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#define __NR_acct 51
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#define __NR_phys 52
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#define __NR_lock 53
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#define __NR_ioctl 54
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#define __NR_fcntl 55
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#define __NR_mpx 56
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#define __NR_setpgid 57
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#define __NR_ulimit 58
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#define __NR_oldolduname 59
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#define __NR_umask 60
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#define __NR_chroot 61
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#define __NR_ustat 62
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#define __NR_dup2 63
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#define __NR_getppid 64
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#define __NR_getpgrp 65
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#define __NR_setsid 66
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#define __NR_sigaction 67
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#define __NR_sgetmask 68
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#define __NR_ssetmask 69
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#define __NR_setreuid 70
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#define __NR_setregid 71
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#define __NR_sigsuspend 72
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#define __NR_sigpending 73
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#define __NR_sethostname 74
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#define __NR_setrlimit 75
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#define __NR_getrlimit 76
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#define __NR_getrusage 77
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#define __NR_gettimeofday 78
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#define __NR_settimeofday 79
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#define __NR_getgroups 80
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#define __NR_setgroups 81
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#define __NR_select 82
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#define __NR_symlink 83
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#define __NR_oldlstat 84
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#define __NR_readlink 85
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#define __NR_uselib 86
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#define __NR_swapon 87
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#define __NR_reboot 88
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#define __NR_readdir 89
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#define __NR_mmap 90
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#define __NR_munmap 91
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#define __NR_truncate 92
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#define __NR_ftruncate 93
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#define __NR_fchmod 94
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#define __NR_fchown 95
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#define __NR_getpriority 96
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#define __NR_setpriority 97
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#define __NR_profil 98
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#define __NR_statfs 99
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#define __NR_fstatfs 100
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#define __NR_ioperm 101
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#define __NR_socketcall 102
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#define __NR_syslog 103
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#define __NR_setitimer 104
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#define __NR_getitimer 105
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#define __NR_stat 106
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#define __NR_lstat 107
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#define __NR_fstat 108
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#define __NR_olduname 109
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#define __NR_iopl 110
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#define __NR_vhangup 111
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#define __NR_idle 112
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#define __NR_vm86 113
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#define __NR_wait4 114
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#define __NR_swapoff 115
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#define __NR_sysinfo 116
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#define __NR_ipc 117
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#define __NR_fsync 118
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#define __NR_sigreturn 119
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#define __NR_clone 120
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#define __NR_setdomainname 121
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#define __NR_uname 122
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#define __NR_modify_ldt 123
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#define __NR_adjtimex 124
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#define __NR_mprotect 125
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#define __NR_sigprocmask 126
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#define __NR_create_module 127
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#define __NR_init_module 128
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#define __NR_delete_module 129
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#define __NR_get_kernel_syms 130
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#define __NR_quotactl 131
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#define __NR_getpgid 132
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#define __NR_fchdir 133
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#define __NR_bdflush 134
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#define __NR_sysfs 135
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#define __NR_personality 136
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#define __NR_afs_syscall 137 /* Syscall for Andrew File System */
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#define __NR_setfsuid 138
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#define __NR_setfsgid 139
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#define __NR__llseek 140
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#define __NR_getdents 141
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#define __NR__newselect 142
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#define __NR_flock 143
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#define __NR_msync 144
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#define __NR_readv 145
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#define __NR_writev 146
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#define __NR_getsid 147
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#define __NR_fdatasync 148
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#define __NR__sysctl 149
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#define __NR_mlock 150
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#define __NR_munlock 151
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#define __NR_mlockall 152
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#define __NR_munlockall 153
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#define __NR_sched_setparam 154
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#define __NR_sched_getparam 155
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#define __NR_sched_setscheduler 156
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#define __NR_sched_getscheduler 157
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#define __NR_sched_yield 158
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#define __NR_sched_get_priority_max 159
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#define __NR_sched_get_priority_min 160
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#define __NR_sched_rr_get_interval 161
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#define __NR_nanosleep 162
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#define __NR_mremap 163
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#define __NR_mmap2 192
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#define PASTE(x,y) x##y
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#define XSTR(x) # x
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#define STR(x) XSTR (x)
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#ifdef __elinux__
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# define CRIS_SYSCALL "jir .$System.call"
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# define CALLNO_REG r1
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# define ARG5_REG r0
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# define MOVE_ARG5 "move.d"
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# define COLON_ARG5_CLOBBER : "r0"
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#else
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# define CRIS_SYSCALL "break 13"
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# define CALLNO_REG r9
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# define ARG5_REG srp
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# define MOVE_ARG5 "move"
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# define COLON_ARG5_CLOBBER
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#endif
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/* XXX - _foo needs to be __foo, while __NR_bar could be _NR_bar. */
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#define _syscall0(type,name) \
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type PASTE(_Sys_,name) (void) \
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{ \
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register long __a __asm__ ("r10"); \
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register long __n_ __asm__ (STR (CALLNO_REG)) = (__NR_##name); \
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__asm__ __volatile__ (CRIS_SYSCALL \
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: "=r" (__a) \
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: "r" (__n_)); \
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if (__a >= 0) \
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return (type) __a; \
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errno = -__a; \
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return -1; \
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}
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#define _syscall1(type,name,type1,arg1) \
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type PASTE(_Sys_,name) (type1 arg1) \
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{ \
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register long __a __asm__ ("r10") = (long) arg1; \
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register long __n_ __asm__ (STR (CALLNO_REG)) = (__NR_##name); \
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__asm__ __volatile__ (CRIS_SYSCALL \
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: "=r" (__a) \
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: "r" (__n_), "0" (__a)); \
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if (__a >= 0) \
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return (type) __a; \
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errno = -__a; \
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return -1; \
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}
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#define _syscall2(type,name,type1,arg1,type2,arg2) \
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type PASTE(_Sys_,name) (type1 arg1,type2 arg2) \
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{ \
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register long __a __asm__ ("r10") = (long) arg1; \
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register long __b __asm__ ("r11") = (long) arg2; \
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register long __n_ __asm__ (STR (CALLNO_REG)) = (__NR_##name); \
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__asm__ __volatile__ (CRIS_SYSCALL \
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: "=r" (__a) \
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: "r" (__n_), "0" (__a), "r" (__b)); \
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if (__a >= 0) \
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return (type) __a; \
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errno = -__a; \
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return -1; \
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}
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#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
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type PASTE(_Sys_,name) (type1 arg1,type2 arg2,type3 arg3) \
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{ \
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register long __a __asm__ ("r10") = (long) arg1; \
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register long __b __asm__ ("r11") = (long) arg2; \
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register long __c __asm__ ("r12") = (long) arg3; \
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register long __n_ __asm__ (STR (CALLNO_REG)) = (__NR_##name); \
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__asm__ __volatile__ (CRIS_SYSCALL \
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: "=r" (__a) \
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: "r" (__n_), "0" (__a), "r" (__b), "r" (__c)); \
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if (__a >= 0) \
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return (type) __a; \
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errno = -__a; \
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return -1; \
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}
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#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
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type PASTE(_Sys_,name) (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
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{ \
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register long __a __asm__ ("r10") = (long) arg1; \
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register long __b __asm__ ("r11") = (long) arg2; \
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register long __c __asm__ ("r12") = (long) arg3; \
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register long __d __asm__ ("r13") = (long) arg4; \
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register long __n_ __asm__ (STR (CALLNO_REG)) = (__NR_##name); \
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__asm__ __volatile__ (CRIS_SYSCALL \
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: "=r" (__a) \
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: "r" (__n_), "0" (__a), "r" (__b), \
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"r" (__c), "r" (__d)); \
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if (__a >= 0) \
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return (type) __a; \
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errno = -__a; \
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return -1; \
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}
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#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
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type5,arg5) \
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type PASTE(_Sys_,name) (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
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{ \
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register long __a __asm__ ("r10") = (long) arg1; \
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register long __b __asm__ ("r11") = (long) arg2; \
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register long __c __asm__ ("r12") = (long) arg3; \
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register long __d __asm__ ("r13") = (long) arg4; \
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register long __n_ __asm__ (STR (CALLNO_REG)) = (__NR_##name); \
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__asm__ __volatile__ (MOVE_ARG5 " %6,$" STR (ARG5_REG) "\n\t" \
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CRIS_SYSCALL \
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: "=r" (__a) \
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: "r" (__n_), "0" (__a), "r" (__b), \
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"r" (__c), "r" (__d), "g" (arg5) \
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COLON_ARG5_CLOBBER); \
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if (__a >= 0) \
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return (type) __a; \
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errno = -__a; \
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return -1; \
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}
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#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
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type5,arg5,type6,arg6) \
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type PASTE(_Sys_,name) (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, type6 arg6) \
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{ \
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register long __a __asm__ ("r10") = (long) arg1; \
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register long __b __asm__ ("r11") = (long) arg2; \
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register long __c __asm__ ("r12") = (long) arg3; \
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register long __d __asm__ ("r13") = (long) arg4; \
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register long __n_ __asm__ (STR (CALLNO_REG)) = (__NR_##name); \
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__asm__ __volatile__ (MOVE_ARG5 " %6,$" STR (ARG5_REG) "\n\t" \
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"move %7,$mof\n\t" \
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CRIS_SYSCALL \
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: "=r" (__a) \
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: "r" (__n_), "0" (__a), "r" (__b), \
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"r" (__c), "r" (__d), "g" (arg5), "g" (arg6) \
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COLON_ARG5_CLOBBER); \
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if (__a >= 0) \
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return (type) __a; \
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errno = -__a; \
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return -1; \
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}
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#define __NR__exit __NR_exit
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static inline _syscall0(int,idle)
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static inline _syscall0(int,fork)
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static inline _syscall2(int,clone,unsigned long,flags,char *,esp)
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static inline _syscall0(int,pause)
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static inline _syscall0(int,setup)
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static inline _syscall0(int,sync)
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static inline _syscall3(int,write,int,fd,const char *,buf,unsigned,count)
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static inline _syscall1(int,dup,int,fd)
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static inline _syscall3(int,execve,const char *,file,char **,argv,char **,envp)
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static inline _syscall3(int,open,const char *,file,int,flag,int,mode)
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static inline _syscall1(int,close,int,fd)
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static inline _syscall1(int,_exit,int,exitcode)
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static inline _syscall1(int,exit,int,exitcode)
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static inline _syscall3(int,waitpid,int,pid,int *,wait_stat,int,options)
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static inline _syscall3(int,read,int,fd,char *,buf,unsigned,count)
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static inline _syscall2(int,socketcall,int,call,unsigned long *,args)
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static inline _syscall3(int,ioctl,unsigned int,fd,unsigned int,cmd,unsigned long,arg)
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static inline _syscall3(int,fcntl,unsigned int,fd,unsigned int,cmd,unsigned long,arg)
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static inline _syscall5(int,mount,const char *,a,const char *,b,const char *,c,unsigned long,rwflag,const void *,data)
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static inline _syscall2(int,rename,const char *,a,const char*,b)
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#ifndef __elinux__
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/* Make sure these are only used where they are supported. */
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static inline _syscall6(int,mmap2,unsigned long, addr, unsigned long, len,
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unsigned long, prot, unsigned long, flags,
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unsigned long, fd, unsigned long, pgoff)
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static inline _syscall1(long,brk,long,addr)
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#endif
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/* This structure is ripped from asm-etrax100/stat.h: beware of updates. */
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struct new_stat {
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unsigned short st_dev;
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unsigned short __pad1;
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unsigned long st_ino;
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unsigned short st_mode;
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unsigned short st_nlink;
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unsigned short st_uid;
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unsigned short st_gid;
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unsigned short st_rdev;
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unsigned short __pad2;
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unsigned long st_size;
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unsigned long st_blksize;
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unsigned long st_blocks;
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unsigned long st_atime;
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unsigned long __unused1;
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unsigned long st_mtime;
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unsigned long __unused2;
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unsigned long st_ctime;
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unsigned long __unused3;
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unsigned long __unused4;
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unsigned long __unused5;
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};
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static inline _syscall2(int,stat,const char *,path,struct new_stat *,statbuf)
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static inline _syscall2(int,fstat,int,fd,struct new_stat *,statbuf)
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static inline _syscall0(int,getpid)
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static inline _syscall2(int,kill,int,pid,int,sig)
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static inline _syscall3(int,lseek,int,fd,int,offset,int,whence)
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struct tms;
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static inline _syscall1(long,times,struct tms *,tbuf)
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static inline _syscall1(long,mmap,long *, buf)
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struct timeval;
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struct timezone;
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static inline _syscall2(int,gettimeofday,struct timeval *,tp,
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struct timezone *, tzp)
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static inline _syscall2(int,link,const char *,old,const char *,new)
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static inline _syscall1(int,unlink,const char *, f)
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struct rusage;
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static inline _syscall4(int,wait4,int,pid,int *,sa,int,op,struct rusage *,ru)
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#endif /* _ASM_ELINUX_UNISTD_H_ */
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