Mega-commit for Linux emulator update.. This has been stress tested under
netscape-2.0 for Linux running all the Java stuff. The scrollbars are now
working, at least on my machine. (whew! :-)
I'm uncomfortable with the size of this commit, but it's too
inter-dependant to easily seperate out.
The main changes:
COMPAT_LINUX is *GONE*. Most of the code has been moved out of the i386
machine dependent section into the linux emulator itself. The int 0x80
syscall code was almost identical to the lcall 7,0 code and a minor tweak
allows them to both be used with the same C code. All kernels can now
just modload the lkm and it'll DTRT without having to rebuild the kernel
first. Like IBCS2, you can statically compile it in with "options LINUX".
A pile of new syscalls implemented, including getdents(), llseek(),
readv(), writev(), msync(), personality(). The Linux-ELF libraries want
to use some of these.
linux_select() now obeys Linux semantics, ie: returns the time remaining
of the timeout value rather than leaving it the original value.
Quite a few bugs removed, including incorrect arguments being used in
syscalls.. eg: mixups between passing the sigset as an int, vs passing
it as a pointer and doing a copyin(), missing return values, unhandled
cases, SIOC* ioctls, etc.
The build for the code has changed. i386/conf/files now knows how
to build linux_genassym and generate linux_assym.h on the fly.
Supporting changes elsewhere in the kernel:
The user-mode signal trampoline has moved from the U area to immediately
below the top of the stack (below PS_STRINGS). This allows the different
binary emulations to have their own signal trampoline code (which gets rid
of the hardwired syscall 103 (sigreturn on BSD, syslog on Linux)) and so
that the emulator can provide the exact "struct sigcontext *" argument to
the program's signal handlers.
The sigstack's "ss_flags" now uses SS_DISABLE and SS_ONSTACK flags, which
have the same values as the re-used SA_DISABLE and SA_ONSTACK which are
intended for sigaction only. This enables the support of a SA_RESETHAND
flag to sigaction to implement the gross SYSV and Linux SA_ONESHOT signal
semantics where the signal handler is reset when it's triggered.
makesyscalls.sh no longer appends the struct sysentvec on the end of the
generated init_sysent.c code. It's a lot saner to have it in a seperate
file rather than trying to update the structure inside the awk script. :-)
At exec time, the dozen bytes or so of signal trampoline code are copied
to the top of the user's stack, rather than obtaining the trampoline code
the old way by getting a clone of the parent's user area. This allows
Linux and native binaries to freely exec each other without getting
trampolines mixed up.
1996-03-02 19:38:20 +00:00
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/*
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* System call numbers.
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*
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* DO NOT EDIT-- this file is automatically generated.
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1996-03-04 21:03:11 +00:00
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* created from Id: syscalls.master,v 1.2 1996/03/04 20:58:47 peter Exp
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Mega-commit for Linux emulator update.. This has been stress tested under
netscape-2.0 for Linux running all the Java stuff. The scrollbars are now
working, at least on my machine. (whew! :-)
I'm uncomfortable with the size of this commit, but it's too
inter-dependant to easily seperate out.
The main changes:
COMPAT_LINUX is *GONE*. Most of the code has been moved out of the i386
machine dependent section into the linux emulator itself. The int 0x80
syscall code was almost identical to the lcall 7,0 code and a minor tweak
allows them to both be used with the same C code. All kernels can now
just modload the lkm and it'll DTRT without having to rebuild the kernel
first. Like IBCS2, you can statically compile it in with "options LINUX".
A pile of new syscalls implemented, including getdents(), llseek(),
readv(), writev(), msync(), personality(). The Linux-ELF libraries want
to use some of these.
linux_select() now obeys Linux semantics, ie: returns the time remaining
of the timeout value rather than leaving it the original value.
Quite a few bugs removed, including incorrect arguments being used in
syscalls.. eg: mixups between passing the sigset as an int, vs passing
it as a pointer and doing a copyin(), missing return values, unhandled
cases, SIOC* ioctls, etc.
The build for the code has changed. i386/conf/files now knows how
to build linux_genassym and generate linux_assym.h on the fly.
Supporting changes elsewhere in the kernel:
The user-mode signal trampoline has moved from the U area to immediately
below the top of the stack (below PS_STRINGS). This allows the different
binary emulations to have their own signal trampoline code (which gets rid
of the hardwired syscall 103 (sigreturn on BSD, syslog on Linux)) and so
that the emulator can provide the exact "struct sigcontext *" argument to
the program's signal handlers.
The sigstack's "ss_flags" now uses SS_DISABLE and SS_ONSTACK flags, which
have the same values as the re-used SA_DISABLE and SA_ONSTACK which are
intended for sigaction only. This enables the support of a SA_RESETHAND
flag to sigaction to implement the gross SYSV and Linux SA_ONESHOT signal
semantics where the signal handler is reset when it's triggered.
makesyscalls.sh no longer appends the struct sysentvec on the end of the
generated init_sysent.c code. It's a lot saner to have it in a seperate
file rather than trying to update the structure inside the awk script. :-)
At exec time, the dozen bytes or so of signal trampoline code are copied
to the top of the user's stack, rather than obtaining the trampoline code
the old way by getting a clone of the parent's user area. This allows
Linux and native binaries to freely exec each other without getting
trampolines mixed up.
1996-03-02 19:38:20 +00:00
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*/
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#define LINUX_SYS_linux_setup 0
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#define LINUX_SYS_exit 1
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#define LINUX_SYS_linux_fork 2
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#define LINUX_SYS_read 3
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#define LINUX_SYS_write 4
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#define LINUX_SYS_linux_open 5
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#define LINUX_SYS_close 6
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#define LINUX_SYS_linux_waitpid 7
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#define LINUX_SYS_linux_creat 8
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#define LINUX_SYS_link 9
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#define LINUX_SYS_linux_unlink 10
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#define LINUX_SYS_linux_execve 11
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#define LINUX_SYS_linux_chdir 12
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#define LINUX_SYS_linux_time 13
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#define LINUX_SYS_linux_mknod 14
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#define LINUX_SYS_linux_chmod 15
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#define LINUX_SYS_linux_chown 16
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#define LINUX_SYS_linux_break 17
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#define LINUX_SYS_linux_stat 18
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#define LINUX_SYS_linux_lseek 19
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#define LINUX_SYS_getpid 20
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#define LINUX_SYS_linux_mount 21
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#define LINUX_SYS_linux_umount 22
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#define LINUX_SYS_setuid 23
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#define LINUX_SYS_getuid 24
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#define LINUX_SYS_linux_stime 25
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#define LINUX_SYS_linux_ptrace 26
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#define LINUX_SYS_linux_alarm 27
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#define LINUX_SYS_linux_fstat 28
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#define LINUX_SYS_linux_pause 29
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#define LINUX_SYS_linux_utime 30
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#define LINUX_SYS_linux_stty 31
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#define LINUX_SYS_linux_gtty 32
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#define LINUX_SYS_linux_access 33
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#define LINUX_SYS_linux_nice 34
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#define LINUX_SYS_linux_ftime 35
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#define LINUX_SYS_sync 36
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#define LINUX_SYS_linux_kill 37
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#define LINUX_SYS_linux_rename 38
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#define LINUX_SYS_linux_mkdir 39
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#define LINUX_SYS_linux_rmdir 40
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#define LINUX_SYS_dup 41
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#define LINUX_SYS_linux_pipe 42
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#define LINUX_SYS_linux_times 43
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#define LINUX_SYS_linux_prof 44
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#define LINUX_SYS_linux_brk 45
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#define LINUX_SYS_setgid 46
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#define LINUX_SYS_getgid 47
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#define LINUX_SYS_linux_signal 48
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#define LINUX_SYS_geteuid 49
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#define LINUX_SYS_getegid 50
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#define LINUX_SYS_acct 51
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#define LINUX_SYS_linux_phys 52
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#define LINUX_SYS_linux_lock 53
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#define LINUX_SYS_linux_ioctl 54
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#define LINUX_SYS_linux_fcntl 55
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#define LINUX_SYS_linux_mpx 56
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#define LINUX_SYS_setpgid 57
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#define LINUX_SYS_linux_ulimit 58
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#define LINUX_SYS_linux_olduname 59
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#define LINUX_SYS_umask 60
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#define LINUX_SYS_chroot 61
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#define LINUX_SYS_linux_ustat 62
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#define LINUX_SYS_dup2 63
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#define LINUX_SYS_getppid 64
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#define LINUX_SYS_getpgrp 65
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#define LINUX_SYS_setsid 66
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#define LINUX_SYS_linux_sigaction 67
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#define LINUX_SYS_linux_siggetmask 68
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#define LINUX_SYS_linux_sigsetmask 69
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#define LINUX_SYS_setreuid 70
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#define LINUX_SYS_setregid 71
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#define LINUX_SYS_linux_sigsuspend 72
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#define LINUX_SYS_linux_sigpending 73
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#define LINUX_SYS_osethostname 74
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#define LINUX_SYS_osetrlimit 75
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#define LINUX_SYS_ogetrlimit 76
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#define LINUX_SYS_getrusage 77
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#define LINUX_SYS_gettimeofday 78
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#define LINUX_SYS_settimeofday 79
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#define LINUX_SYS_getgroups 80
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#define LINUX_SYS_setgroups 81
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#define LINUX_SYS_linux_select 82
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#define LINUX_SYS_linux_symlink 83
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#define LINUX_SYS_ostat 84
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#define LINUX_SYS_linux_readlink 85
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#define LINUX_SYS_linux_uselib 86
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#define LINUX_SYS_swapon 87
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#define LINUX_SYS_reboot 88
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#define LINUX_SYS_linux_readdir 89
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#define LINUX_SYS_linux_mmap 90
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#define LINUX_SYS_munmap 91
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#define LINUX_SYS_linux_truncate 92
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#define LINUX_SYS_oftruncate 93
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#define LINUX_SYS_fchmod 94
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#define LINUX_SYS_fchown 95
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#define LINUX_SYS_getpriority 96
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#define LINUX_SYS_setpriority 97
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#define LINUX_SYS_profil 98
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#define LINUX_SYS_linux_statfs 99
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#define LINUX_SYS_linux_fstatfs 100
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#define LINUX_SYS_linux_ioperm 101
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#define LINUX_SYS_linux_socketcall 102
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#define LINUX_SYS_linux_ksyslog 103
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#define LINUX_SYS_linux_setitimer 104
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#define LINUX_SYS_linux_getitimer 105
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#define LINUX_SYS_linux_newstat 106
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#define LINUX_SYS_linux_newlstat 107
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#define LINUX_SYS_linux_newfstat 108
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#define LINUX_SYS_linux_uname 109
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#define LINUX_SYS_linux_iopl 110
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#define LINUX_SYS_linux_vhangup 111
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#define LINUX_SYS_linux_idle 112
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#define LINUX_SYS_linux_vm86 113
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#define LINUX_SYS_linux_wait4 114
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#define LINUX_SYS_linux_swapoff 115
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#define LINUX_SYS_linux_sysinfo 116
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#define LINUX_SYS_linux_ipc 117
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#define LINUX_SYS_fsync 118
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#define LINUX_SYS_linux_sigreturn 119
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#define LINUX_SYS_linux_clone 120
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#define LINUX_SYS_setdomainname 121
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#define LINUX_SYS_linux_newuname 122
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#define LINUX_SYS_linux_modify_ldt 123
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#define LINUX_SYS_linux_adjtimex 124
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#define LINUX_SYS_mprotect 125
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#define LINUX_SYS_linux_sigprocmask 126
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#define LINUX_SYS_linux_create_module 127
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#define LINUX_SYS_linux_init_module 128
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#define LINUX_SYS_linux_delete_module 129
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#define LINUX_SYS_linux_get_kernel_syms 130
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#define LINUX_SYS_linux_quotactl 131
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#define LINUX_SYS_linux_getpgid 132
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#define LINUX_SYS_fchdir 133
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#define LINUX_SYS_linux_bdflush 134
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#define LINUX_SYS_linux_personality 136
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#define LINUX_SYS_linux_llseek 140
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#define LINUX_SYS_linux_getdents 141
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#define LINUX_SYS_linux_newselect 142
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#define LINUX_SYS_flock 143
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#define LINUX_SYS_linux_msync 144
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#define LINUX_SYS_readv 145
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#define LINUX_SYS_writev 146
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#define LINUX_SYS_MAXSYSCALL 147
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