1# $OpenBSD: Archive.pm,v 1.7 2014/04/20 17:34:26 zhuk Exp $ 2 3# Copyright (c) 2007-2010 Steven Mestdagh <steven@openbsd.org> 4# Copyright (c) 2012 Marc Espie <espie@openbsd.org> 5# 6# Permission to use, copy, modify, and distribute this software for any 7# purpose with or without fee is hereby granted, provided that the above 8# copyright notice and this permission notice appear in all copies. 9# 10# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 18use strict; 19use warnings; 20use feature qw(say switch state); 21 22package LT::Archive; 23use LT::Trace; 24use LT::Exec; 25use LT::UList; 26use LT::Util; 27use File::Path; 28 29sub extract 30{ 31 my ($self, $dir, $archive) = @_; 32 33 if (! -d $dir) { 34 tsay {"mkdir -p $dir"}; 35 File::Path::mkpath($dir); 36 } 37 LT::Exec->chdir($dir)->link('ar', 'x', $archive); 38} 39 40sub get_objlist 41{ 42 my ($self, $a) = @_; 43 44 open(my $arh, '-|', 'ar', 't', $a); 45 my @o = <$arh>; 46 close $arh; 47 map { chomp; } @o; 48 return @o; 49} 50 51sub get_symbollist 52{ 53 my ($self, $filepath, $regex, $objlist) = @_; 54 55 if (@$objlist == 0) { 56 die "get_symbollist: object list is empty\n"; 57 } 58 59 tsay {"generating symbol list in file: $filepath"}; 60 tsay {"object list is @$objlist" }; 61 my $symbols = LT::UList->new; 62 open(my $sh, '-|', 'nm', '--', @$objlist) or 63 die "Error running nm on object list @$objlist\n"; 64 my $c = 0; 65 while (my $line = <$sh>) { 66 chomp $line; 67 tsay {"$c: $line"}; 68 if ($line =~ m/\S+\s+[BCDEGRST]\s+(.*)/) { 69 my $s = $1; 70 if ($s =~ m/$regex/) { 71 push @$symbols, $s; 72 tsay {"matched"}; 73 } 74 } 75 $c++; 76 } 77 open(my $fh, '>', $filepath) or die "Cannot open $filepath\n"; 78 print $fh map { "$_\n" } sort @$symbols; 79} 80 811; 82