mksysnum_freebsd.pl

     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
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