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51 lines
1 KiB
Perl
51 lines
1 KiB
Perl
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#!/usr/bin/env perl
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# Copyright 2009 The Go Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style
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# license that can be found in the LICENSE file.
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#
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# Generate system call table for FreeBSD from master list
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# (for example, /usr/src/sys/kern/syscalls.master).
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use strict;
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if($ENV{'GOARCH'} eq "" || $ENV{'GOOS'} eq "") {
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print STDERR "GOARCH or GOOS not defined in environment\n";
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exit 1;
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}
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my $command = "mksysnum_freebsd.pl " . join(' ', @ARGV);
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print <<EOF;
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// $command
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// Code generated by the command above; see README.md. DO NOT EDIT.
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// +build $ENV{'GOARCH'},$ENV{'GOOS'}
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package unix
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const (
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EOF
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while(<>){
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if(/^([0-9]+)\s+\S+\s+(?:NO)?STD\s+({ \S+\s+(\w+).*)$/){
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my $num = $1;
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my $proto = $2;
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my $name = "SYS_$3";
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$name =~ y/a-z/A-Z/;
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# There are multiple entries for enosys and nosys, so comment them out.
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if($name =~ /^SYS_E?NOSYS$/){
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$name = "// $name";
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}
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if($name eq 'SYS_SYS_EXIT'){
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$name = 'SYS_EXIT';
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}
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print " $name = $num; // $proto\n";
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}
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}
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print <<EOF;
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)
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EOF
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