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# $OpenBSD: Archive.pm,v 1.5 2012/11/09 10:51:47 espie Exp $
# Copyright (c) 2007-2010 Steven Mestdagh <steven@openbsd.org>
# Copyright (c) 2012 Marc Espie <espie@openbsd.org>
#
# 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;
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