vendor/github.com/fsouza/go-dockerclient/external/golang.org/x/sys/unix/mksysnum_dragonfly.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 DragonFly from master list
   7 # (for example, /usr/src/sys/kern/syscalls.master).
   8
   9 use strict;
  10
  11 if($ENV{'GOARCH'} eq "" || $ENV{'GOOS'} eq "") {
  12         print STDERR "GOARCH or GOOS not defined in environment\n";
  13         exit 1;
  14 }
  15
  16 my $command = "mksysnum_dragonfly.pl " . join(' ', @ARGV);
  17
  18 print <<EOF;
  19 // $command
  20 // MACHINE GENERATED BY THE ABOVE COMMAND; DO NOT EDIT
  21
  22 // +build $ENV{'GOARCH'},$ENV{'GOOS'}
  23
  24 package unix
  25
  26 const (
  27 EOF
  28
  29 while(<>){
  30         if(/^([0-9]+)\s+STD\s+({ \S+\s+(\w+).*)$/){
  31                 my $num = $1;
  32                 my $proto = $2;
  33                 my $name = "SYS_$3";
  34                 $name =~ y/a-z/A-Z/;
  35
  36                 # There are multiple entries for enosys and nosys, so comment them out.
  37                 if($name =~ /^SYS_E?NOSYS$/){
  38                         $name = "// $name";
  39                 }
  40                 if($name eq 'SYS_SYS_EXIT'){
  41                         $name = 'SYS_EXIT';
  42                 }
  43
  44                 print " $name = $num;  // $proto\n";
  45         }
  46 }
  47
  48 print <<EOF;
  49 )
  50 EOF