#!/usr/bin/env perl

# Copyright 2009 The Go Authors. All rights reserved.

# Use of this source code is governed by a BSD-style

# license that can be found in the LICENSE file.

#

# Generate system call table for FreeBSD from master list

# (for example, /usr/src/sys/kern/syscalls.master).

use strict;

if($ENV{'GOARCH'} eq "" || $ENV{'GOOS'} eq "") {

	print STDERR "GOARCH or GOOS not defined in environment\n";

	exit 1;

}

my $command = "mksysnum_freebsd.pl " . join(' ', @ARGV);

print <<EOF;

// $command

// Code generated by the command above; see README.md. DO NOT EDIT.

// +build $ENV{'GOARCH'},$ENV{'GOOS'}

package unix

const (

EOF

while(<>){

	if(/^([0-9]+)\s+\S+\s+(?:NO)?STD\s+({ \S+\s+(\w+).*)$/){

		my $num = $1;

		my $proto = $2;

		my $name = "SYS_$3";

		$name =~ y/a-z/A-Z/;

		# There are multiple entries for enosys and nosys, so comment them out.

		if($name =~ /^SYS_E?NOSYS$/){

			$name = "// $name";

		}

		if($name eq 'SYS_SYS_EXIT'){

			$name = 'SYS_EXIT';

		}

		print "	$name = $num;  // $proto\n";

	}

}

print <<EOF;

)

EOF