mksysnum_freebsd.pl raw

   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 FreeBSD from master list
   7  # (for example, /usr/src/sys/kern/syscalls.master).
   8  
   9  use strict;
  10  
  11  my $command = "mksysnum_freebsd.pl " . join(' ', @ARGV);
  12  
  13  print <<EOF;
  14  // $command
  15  // Code generated by the command above; DO NOT EDIT.
  16  
  17  package syscall
  18  
  19  const (
  20  EOF
  21  
  22  while(<>){
  23  	if(/^([0-9]+)\s+\S+\s+STD\s+({ \S+\s+(\w+).*)$/){
  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  			$name = 'SYS_EXIT';
  35  		}
  36  		if($name =~ /^SYS_CAP_+/ || $name =~ /^SYS___CAP_+/){
  37  			next
  38  		}
  39  
  40  		print "	$name = $num;  // $proto\n";
  41  
  42  		# We keep Capsicum syscall numbers for FreeBSD
  43  		# 9-STABLE here because we are not sure whether they
  44  		# are mature and stable.
  45  		if($num == 513){
  46  			print " SYS_CAP_NEW = 514 // { int cap_new(int fd, uint64_t rights); }\n";
  47  			print " SYS_CAP_GETRIGHTS = 515 // { int cap_getrights(int fd, \\\n";
  48  			print " SYS_CAP_ENTER = 516 // { int cap_enter(void); }\n";
  49  			print " SYS_CAP_GETMODE = 517 // { int cap_getmode(u_int *modep); }\n";
  50  		}
  51  	}
  52  }
  53  
  54  print <<EOF;
  55  )
  56  EOF
  57