diff options
Diffstat (limited to 'Godeps/_workspace/src/golang.org/x/sys/unix/mksysnum_linux.pl')
-rw-r--r-- | Godeps/_workspace/src/golang.org/x/sys/unix/mksysnum_linux.pl | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/Godeps/_workspace/src/golang.org/x/sys/unix/mksysnum_linux.pl b/Godeps/_workspace/src/golang.org/x/sys/unix/mksysnum_linux.pl new file mode 100644 index 000000000..4d4017deb --- /dev/null +++ b/Godeps/_workspace/src/golang.org/x/sys/unix/mksysnum_linux.pl @@ -0,0 +1,58 @@ +#!/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; +} + +my $command = "mksysnum_linux.pl ". join(' ', @ARGV); + +print <<EOF; +// $command +// MACHINE GENERATED BY THE ABOVE COMMAND; DO NOT EDIT + +// +build $ENV{'GOARCH'},$ENV{'GOOS'} + +package unix + +const( +EOF + +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; + } + $name =~ y/a-z/A-Z/; + print " SYS_$name = $num;\n"; +} + +my $prev; +open(GCC, "gcc -E -dD $ARGV[0] |") || die "can't run gcc"; +while(<GCC>){ + if(/^#define __NR_syscalls\s+/) { + # ignore redefinitions of __NR_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) + } +} + +print <<EOF; +) +EOF |