text: #!/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 DragonFly 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_dragonfly.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+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
  