open-nomad/vendor/golang.org/x/sys/unix/mksysnum_dragonfly.pl
2017-02-28 12:16:52 -08:00

51 lines
1 KiB
Perl
Executable file

#!/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
// MACHINE GENERATED BY THE ABOVE COMMAND; 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