# $OpenBSD: Archive.pm,v 1.5 2012/11/09 10:51:47 espie Exp $ # Copyright (c) 2007-2010 Steven Mestdagh # Copyright (c) 2012 Marc Espie # # Permission to use, copy, modify, and distribute this software for any # purpose with or without fee is hereby granted, provided that the above # copyright notice and this permission notice appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. use strict; use warnings; use feature qw(say switch state); package LT::Archive; use LT::Trace; use LT::Exec; use LT::Util; use File::Path; sub extract { my ($self, $dir, $archive) = @_; if (! -d $dir) { tsay {"mkdir -p $dir"}; File::Path::mkpath($dir); } LT::Exec->chdir($dir)->link('ar', 'x', $archive); } sub get_objlist { my ($self, $a) = @_; open(my $arh, '-|', 'ar', 't', $a); my @o = <$arh>; close $arh; map { chomp; } @o; return @o; } sub get_symbollist { my ($self, $filepath, $regex, $objlist) = @_; if (@$objlist == 0) { die "get_symbollist: object list is empty\n"; } tsay {"generating symbol list in file: $filepath"}; tsay {"object list is @$objlist" }; my $symbols = []; open(my $sh, '-|', 'nm', '--', @$objlist) or die "Error running nm on object list @$objlist\n"; my $c = 0; while (my $line = <$sh>) { chomp $line; tsay {"$c: $line"}; if ($line =~ m/\S+\s+[BCDEGRST]\s+(.*)/) { my $s = $1; if ($s =~ m/$regex/) { push @$symbols, $s; tsay {"matched"}; } } $c++; } $symbols = reverse_zap_duplicates_ref($symbols); @$symbols = sort @$symbols; open(my $fh, '>', $filepath) or die "Cannot open $filepath\n"; print $fh map { "$_\n" } @$symbols; } 1;