Imported Upstream version 1.4upstream/1.4

1 files changed, 38 insertions, 0 deletions

diff --git a/src/syscall/mksysnum_linux.pl b/src/syscall/mksysnum_linux.pl
new file mode 100755
index 000000000..c7e5cf73a
--- /dev/null
+++ b/src/syscall/mksysnum_linux.pl
@@ -0,0 +1,38 @@
+#!/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.
+
+use strict;
+
+my $command = "mksysnum_linux.pl ". join(' ', @ARGV);
+
+print <<EOF;
+// $command
+// MACHINE GENERATED BY THE ABOVE COMMAND; DO NOT EDIT
+
+package syscall
+
+const(
+EOF
+
+sub fmt {
+	my ($name, $num) = @_;
+	$name =~ y/a-z/A-Z/;
+	print "	SYS_$name = $num;\n";
+}
+
+my $prev;
+while(<>){
+	if(/^#define __NR_(\w+)\s+([0-9]+)/){
+		$prev = $2;
+		fmt($1, $2);
+	}
+	elsif(/^#define __NR_(\w+)\s+\(\w+\+\s*([0-9]+)\)/){
+		fmt($1, $prev+$2)
+	}
+}
+
+print <<EOF;
+)
+EOF