mksysnum_dragonfly.pl

Documentation: syscall

     1  #!/usr/bin/env perl
     2  # Copyright 2009 The Go Authors. All rights reserved.
     3  # Use of this source code is governed by a BSD-style
     4  # license that can be found in the LICENSE file.
     5  #
     6  # Generate system call table for DragonFly from master list
     7  # (for example, /usr/src/sys/kern/syscalls.master).
     8  
     9  use strict;
    10  
    11  my $command = "mksysnum_dragonfly.pl " . join(' ', @ARGV);
    12  
    13  print <<EOF;
    14  // $command
    15  // Code generated by the command above; DO NOT EDIT.
    16  
    17  package syscall
    18  
    19  const (
    20  EOF
    21  
    22  while(<>){
    23  	if(/^([0-9]+)\s+STD\s+({ \S+\s+(\w+).*)$/){
    24  		my $num = $1;
    25  		my $proto = $2;
    26  		my $name = "SYS_$3";
    27  		$name =~ y/a-z/A-Z/;
    28  
    29  		# There are multiple entries for enosys and nosys, so comment them out.
    30  		if($name =~ /^SYS_E?NOSYS$/){
    31  			$name = "// $name";
    32  		}
    33  		if($name eq 'SYS_SYS_EXIT'){
    34  			$name = 'SYS_EXIT';
    35  		}
    36  
    37  		print "	$name = $num;  // $proto\n";
    38  	}
    39  }
    40  
    41  print <<EOF;
    42  )
    43  EOF
    44
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