1# $OpenBSD: Archive.pm,v 1.4 2012/07/10 09:51:32 espie 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::Util; 26use File::Path; 27 28sub extract 29{ 30 my ($self, $dir, $archive) = @_; 31 32 if (! -d $dir) { 33 tsay {"mkdir -p $dir"}; 34 File::Path::mkpath($dir); 35 } 36 LT::Exec->chdir($dir)->link('ar', 'x', $archive); 37} 38 39sub get_objlist 40{ 41 my ($self, $a) = @_; 42 43 open(my $arh, '-|', 'ar', 't', $a); 44 my @o = <$arh>; 45 close $arh; 46 map { chomp; } @o; 47 return @o; 48} 49 50sub get_symbollist 51{ 52 my ($self, $filepath, $regex, $objlist) = @_; 53 54 if (@$objlist == 0) { 55 die "get_symbollist: object list is empty\n"; 56 } 57 58 tsay {"generating symbol list in file: $filepath"}; 59 my $symbols = []; 60 open(my $sh, '-|', 'nm', '--', @$objlist) or 61 die "Error running nm on object list @$objlist\n"; 62 my $c = 0; 63 while (my $line = <$sh>) { 64 chomp $line; 65 tsay {"$c: $line"}; 66 if ($line =~ m/\S+\s+[BCDEGRST]\s+(.*)/) { 67 my $s = $1; 68 if ($s =~ m/$regex/) { 69 push @$symbols, $s; 70 tsay {"matched"}; 71 } 72 } 73 $c++; 74 } 75 $symbols = reverse_zap_duplicates_ref($symbols); 76 @$symbols = sort @$symbols; 77 open(my $fh, '>', $filepath) or die "Cannot open $filepath\n"; 78 print $fh join("\n", @$symbols), "\n"; 79} 80 811; 82