1 files changed, 85 insertions, 0 deletions
diff --git a/vendor/golang.org/x/sys/unix/linux/mksysnum.pl b/vendor/golang.org/x/sys/unix/linux/mksysnum.pl
new file mode 100755
index 0000000..63fd800
--- /dev/null
+++ b/vendor/golang.org/x/sys/unix/linux/mksysnum.pl
@@ -0,0 +1,85 @@
+#!/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;
+
+if($ENV{'GOARCH'} eq "" || $ENV{'GOOS'} eq "") {
+	print STDERR "GOARCH or GOOS not defined in environment\n";
+	exit 1;
+}
+
+# Check that we are using the new build system if we should
+if($ENV{'GOLANG_SYS_BUILD'} ne "docker") {
+	print STDERR "In the new build system, mksysnum should not be called directly.\n";
+	print STDERR "See README.md\n";
+	exit 1;
+}
+
+my $command = "$0 ". join(' ', @ARGV);
+
+print <<EOF;
+// $command
+// Code generated by the command above; see README.md. DO NOT EDIT.
+
+// +build $ENV{'GOARCH'},$ENV{'GOOS'}
+
+package unix
+
+const(
+EOF
+
+my $offset = 0;
+
+sub fmt {
+	my ($name, $num) = @_;
+	if($num > 999){
+		# ignore deprecated syscalls that are no longer implemented
+		# https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/include/uapi/asm-generic/unistd.h?id=refs/heads/master#n716
+		return;
+	}
+	$name =~ y/a-z/A-Z/;
+	$num = $num + $offset;
+	print "	SYS_$name = $num;\n";
+}
+
+my $prev;
+open(CC, "$ENV{'CC'} -E -dD @ARGV |") || die "can't run $ENV{'CC'}";
+while(<CC>){
+	if(/^#define __NR_Linux\s+([0-9]+)/){
+		# mips/mips64: extract offset
+		$offset = $1;
+	}
+	elsif(/^#define __NR(\w*)_SYSCALL_BASE\s+([0-9]+)/){
+		# arm: extract offset
+		$offset = $1;
+	}
+	elsif(/^#define __NR_syscalls\s+/) {
+		# ignore redefinitions of __NR_syscalls
+	}
+	elsif(/^#define __NR_(\w*)Linux_syscalls\s+/) {
+		# mips/mips64: ignore definitions about the number of syscalls
+	}
+	elsif(/^#define __NR_(\w+)\s+([0-9]+)/){
+		$prev = $2;
+		fmt($1, $2);
+	}
+	elsif(/^#define __NR3264_(\w+)\s+([0-9]+)/){
+		$prev = $2;
+		fmt($1, $2);
+	}
+	elsif(/^#define __NR_(\w+)\s+\(\w+\+\s*([0-9]+)\)/){
+		fmt($1, $prev+$2)
+	}
+	elsif(/^#define __NR_(\w+)\s+\(__NR_Linux \+ ([0-9]+)/){
+		fmt($1, $2);
+	}
+	elsif(/^#define __NR_(\w+)\s+\(__NR_SYSCALL_BASE \+ ([0-9]+)/){
+		fmt($1, $2);
+	}
+}
+
+print <<EOF;
+)
+EOF