mirror of
https://github.com/torvalds/linux
synced 2024-11-05 18:23:50 +00:00
dfb7dac3af
Make sure we always return, as all syscalls should. Also move the common prototype to <linux/syscalls.h> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Miklos Szeredi <miklos@szeredi.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
528 lines
15 KiB
C
528 lines
15 KiB
C
#ifndef _ASM_M68K_UNISTD_H_
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#define _ASM_M68K_UNISTD_H_
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/*
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* This file contains the system call numbers.
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*/
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#define __NR_restart_syscall 0
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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_umount2 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 */ not supported
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#define __NR_vhangup 111
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#define __NR_idle /* 112 */ Obsolete
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#define __NR_vm86 /* 113 */ not supported
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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_cacheflush 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_setresuid 164
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#define __NR_getresuid 165
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#define __NR_getpagesize 166
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#define __NR_query_module 167
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#define __NR_poll 168
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#define __NR_nfsservctl 169
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#define __NR_setresgid 170
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#define __NR_getresgid 171
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#define __NR_prctl 172
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#define __NR_rt_sigreturn 173
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#define __NR_rt_sigaction 174
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#define __NR_rt_sigprocmask 175
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#define __NR_rt_sigpending 176
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#define __NR_rt_sigtimedwait 177
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#define __NR_rt_sigqueueinfo 178
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#define __NR_rt_sigsuspend 179
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#define __NR_pread 180
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#define __NR_pwrite 181
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#define __NR_lchown 182
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#define __NR_getcwd 183
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#define __NR_capget 184
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#define __NR_capset 185
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#define __NR_sigaltstack 186
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#define __NR_sendfile 187
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#define __NR_getpmsg 188 /* some people actually want streams */
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#define __NR_putpmsg 189 /* some people actually want streams */
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#define __NR_vfork 190
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#define __NR_ugetrlimit 191
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#define __NR_mmap2 192
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#define __NR_truncate64 193
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#define __NR_ftruncate64 194
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#define __NR_stat64 195
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#define __NR_lstat64 196
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#define __NR_fstat64 197
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#define __NR_chown32 198
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#define __NR_getuid32 199
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#define __NR_getgid32 200
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#define __NR_geteuid32 201
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#define __NR_getegid32 202
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#define __NR_setreuid32 203
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#define __NR_setregid32 204
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#define __NR_getgroups32 205
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#define __NR_setgroups32 206
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#define __NR_fchown32 207
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#define __NR_setresuid32 208
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#define __NR_getresuid32 209
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#define __NR_setresgid32 210
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#define __NR_getresgid32 211
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#define __NR_lchown32 212
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#define __NR_setuid32 213
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#define __NR_setgid32 214
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#define __NR_setfsuid32 215
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#define __NR_setfsgid32 216
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#define __NR_pivot_root 217
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#define __NR_getdents64 220
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#define __NR_gettid 221
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#define __NR_tkill 222
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#define __NR_setxattr 223
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#define __NR_lsetxattr 224
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#define __NR_fsetxattr 225
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#define __NR_getxattr 226
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#define __NR_lgetxattr 227
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#define __NR_fgetxattr 228
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#define __NR_listxattr 229
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#define __NR_llistxattr 230
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#define __NR_flistxattr 231
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#define __NR_removexattr 232
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#define __NR_lremovexattr 233
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#define __NR_fremovexattr 234
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#define __NR_futex 235
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#define __NR_sendfile64 236
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#define __NR_mincore 237
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#define __NR_madvise 238
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#define __NR_fcntl64 239
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#define __NR_readahead 240
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#define __NR_io_setup 241
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#define __NR_io_destroy 242
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#define __NR_io_getevents 243
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#define __NR_io_submit 244
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#define __NR_io_cancel 245
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#define __NR_fadvise64 246
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#define __NR_exit_group 247
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#define __NR_lookup_dcookie 248
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#define __NR_epoll_create 249
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#define __NR_epoll_ctl 250
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#define __NR_epoll_wait 251
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#define __NR_remap_file_pages 252
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#define __NR_set_tid_address 253
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#define __NR_timer_create 254
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#define __NR_timer_settime 255
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#define __NR_timer_gettime 256
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#define __NR_timer_getoverrun 257
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#define __NR_timer_delete 258
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#define __NR_clock_settime 259
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#define __NR_clock_gettime 260
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#define __NR_clock_getres 261
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#define __NR_clock_nanosleep 262
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#define __NR_statfs64 263
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#define __NR_fstatfs64 264
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#define __NR_tgkill 265
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#define __NR_utimes 266
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#define __NR_fadvise64_64 267
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#define __NR_mbind 268
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#define __NR_get_mempolicy 269
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#define __NR_set_mempolicy 270
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#define __NR_mq_open 271
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#define __NR_mq_unlink 272
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#define __NR_mq_timedsend 273
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#define __NR_mq_timedreceive 274
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#define __NR_mq_notify 275
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#define __NR_mq_getsetattr 276
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#define __NR_waitid 277
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#define __NR_sys_setaltroot 278
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#define __NR_add_key 279
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#define __NR_request_key 280
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#define __NR_keyctl 281
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#define NR_syscalls 282
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/* user-visible error numbers are in the range -1 - -122: see
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<asm-m68k/errno.h> */
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#define __syscall_return(type, res) \
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do { \
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if ((unsigned long)(res) >= (unsigned long)(-125)) { \
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/* avoid using res which is declared to be in register d0; \
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errno might expand to a function call and clobber it. */ \
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int __err = -(res); \
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errno = __err; \
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res = -1; \
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} \
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return (type) (res); \
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} while (0)
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#define _syscall0(type, name) \
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type name(void) \
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{ \
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long __res; \
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__asm__ __volatile__ ("movel %1, %%d0\n\t" \
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"trap #0\n\t" \
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"movel %%d0, %0" \
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: "=g" (__res) \
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: "i" (__NR_##name) \
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: "cc", "%d0"); \
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if ((unsigned long)(__res) >= (unsigned long)(-125)) { \
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errno = -__res; \
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__res = -1; \
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} \
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return (type)__res; \
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}
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#define _syscall1(type, name, atype, a) \
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type name(atype a) \
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{ \
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long __res; \
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__asm__ __volatile__ ("movel %2, %%d1\n\t" \
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"movel %1, %%d0\n\t" \
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"trap #0\n\t" \
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"movel %%d0, %0" \
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: "=g" (__res) \
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: "i" (__NR_##name), \
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"g" ((long)a) \
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: "cc", "%d0", "%d1"); \
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if ((unsigned long)(__res) >= (unsigned long)(-125)) { \
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errno = -__res; \
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__res = -1; \
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} \
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return (type)__res; \
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}
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#define _syscall2(type, name, atype, a, btype, b) \
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type name(atype a, btype b) \
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{ \
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long __res; \
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__asm__ __volatile__ ("movel %3, %%d2\n\t" \
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"movel %2, %%d1\n\t" \
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"movel %1, %%d0\n\t" \
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"trap #0\n\t" \
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"movel %%d0, %0" \
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: "=g" (__res) \
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: "i" (__NR_##name), \
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"a" ((long)a), \
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"g" ((long)b) \
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: "cc", "%d0", "%d1", "%d2"); \
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if ((unsigned long)(__res) >= (unsigned long)(-125)) { \
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errno = -__res; \
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__res = -1; \
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} \
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return (type)__res; \
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}
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#define _syscall3(type, name, atype, a, btype, b, ctype, c) \
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type name(atype a, btype b, ctype c) \
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{ \
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long __res; \
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__asm__ __volatile__ ("movel %4, %%d3\n\t" \
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"movel %3, %%d2\n\t" \
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"movel %2, %%d1\n\t" \
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"movel %1, %%d0\n\t" \
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"trap #0\n\t" \
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"movel %%d0, %0" \
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: "=g" (__res) \
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: "i" (__NR_##name), \
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"a" ((long)a), \
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"a" ((long)b), \
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"g" ((long)c) \
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: "cc", "%d0", "%d1", "%d2", "%d3"); \
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if ((unsigned long)(__res) >= (unsigned long)(-125)) { \
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errno = -__res; \
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__res = -1; \
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} \
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return (type)__res; \
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}
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#define _syscall4(type, name, atype, a, btype, b, ctype, c, dtype, d) \
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type name(atype a, btype b, ctype c, dtype d) \
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{ \
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long __res; \
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__asm__ __volatile__ ("movel %5, %%d4\n\t" \
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"movel %4, %%d3\n\t" \
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"movel %3, %%d2\n\t" \
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"movel %2, %%d1\n\t" \
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"movel %1, %%d0\n\t" \
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"trap #0\n\t" \
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"movel %%d0, %0" \
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: "=g" (__res) \
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: "i" (__NR_##name), \
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"a" ((long)a), \
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"a" ((long)b), \
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"a" ((long)c), \
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"g" ((long)d) \
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: "cc", "%d0", "%d1", "%d2", "%d3", \
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"%d4"); \
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if ((unsigned long)(__res) >= (unsigned long)(-125)) { \
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errno = -__res; \
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__res = -1; \
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} \
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return (type)__res; \
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}
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#define _syscall5(type, name, atype, a, btype, b, ctype, c, dtype, d, etype, e) \
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type name(atype a, btype b, ctype c, dtype d, etype e) \
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{ \
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long __res; \
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__asm__ __volatile__ ("movel %6, %%d5\n\t" \
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"movel %5, %%d4\n\t" \
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"movel %4, %%d3\n\t" \
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"movel %3, %%d2\n\t" \
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"movel %2, %%d1\n\t" \
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"movel %1, %%d0\n\t" \
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"trap #0\n\t" \
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"movel %%d0, %0" \
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: "=g" (__res) \
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: "i" (__NR_##name), \
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"a" ((long)a), \
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"a" ((long)b), \
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"a" ((long)c), \
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"a" ((long)d), \
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"g" ((long)e) \
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: "cc", "%d0", "%d1", "%d2", "%d3", \
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"%d4", "%d5"); \
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if ((unsigned long)(__res) >= (unsigned long)(-125)) { \
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errno = -__res; \
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__res = -1; \
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} \
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return (type)__res; \
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}
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#ifdef __KERNEL__
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#define __ARCH_WANT_IPC_PARSE_VERSION
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#define __ARCH_WANT_OLD_READDIR
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#define __ARCH_WANT_OLD_STAT
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#define __ARCH_WANT_STAT64
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#define __ARCH_WANT_SYS_ALARM
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#define __ARCH_WANT_SYS_GETHOSTNAME
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#define __ARCH_WANT_SYS_PAUSE
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#define __ARCH_WANT_SYS_SGETMASK
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#define __ARCH_WANT_SYS_SIGNAL
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#define __ARCH_WANT_SYS_TIME
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#define __ARCH_WANT_SYS_UTIME
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#define __ARCH_WANT_SYS_WAITPID
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#define __ARCH_WANT_SYS_SOCKETCALL
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#define __ARCH_WANT_SYS_FADVISE64
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#define __ARCH_WANT_SYS_GETPGRP
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#define __ARCH_WANT_SYS_LLSEEK
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#define __ARCH_WANT_SYS_NICE
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#define __ARCH_WANT_SYS_OLD_GETRLIMIT
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#define __ARCH_WANT_SYS_OLDUMOUNT
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#define __ARCH_WANT_SYS_SIGPENDING
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#define __ARCH_WANT_SYS_SIGPROCMASK
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#define __ARCH_WANT_SYS_RT_SIGACTION
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#endif
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#ifdef __KERNEL_SYSCALLS__
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#include <linux/compiler.h>
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#include <linux/interrupt.h>
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#include <linux/types.h>
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/*
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* we need this inline - forking from kernel space will result
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* in NO COPY ON WRITE (!!!), until an execve is executed. This
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* is no problem, but for the stack. This is handled by not letting
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* main() use the stack at all after fork(). Thus, no function
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* calls - which means inline code for fork too, as otherwise we
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* would use the stack upon exit from 'fork()'.
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*
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* Actually only pause and fork are needed inline, so that there
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* won't be any messing with the stack from main(), but we define
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* some others too.
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*/
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#define __NR__exit __NR_exit
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static inline _syscall0(int,pause)
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static inline _syscall0(int,sync)
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static inline _syscall0(pid_t,setsid)
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static inline _syscall3(int,write,int,fd,const char *,buf,off_t,count)
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static inline _syscall3(int,read,int,fd,char *,buf,off_t,count)
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static inline _syscall3(off_t,lseek,int,fd,off_t,offset,int,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 _syscall3(pid_t,waitpid,pid_t,pid,int *,wait_stat,int,options)
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static inline _syscall1(int,delete_module,const char *,name)
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static inline pid_t wait(int * wait_stat)
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{
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return waitpid(-1,wait_stat,0);
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}
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asmlinkage long sys_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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asmlinkage int sys_execve(char *name, char **argv, char **envp);
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asmlinkage int sys_pipe(unsigned long *fildes);
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struct pt_regs;
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int sys_request_irq(unsigned int,
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irqreturn_t (*)(int, void *, struct pt_regs *),
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unsigned long, const char *, void *);
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void sys_free_irq(unsigned int, void *);
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struct sigaction;
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asmlinkage long sys_rt_sigaction(int sig,
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const struct sigaction __user *act,
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struct sigaction __user *oact,
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size_t sigsetsize);
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#endif
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/*
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* "Conditional" syscalls
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*
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* What we want is __attribute__((weak,alias("sys_ni_syscall"))),
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* but it doesn't work on all toolchains, so we just do it by hand
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*/
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#define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall")
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#endif /* _ASM_M68K_UNISTD_H_ */
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