1# $OpenBSD: Archive.pm,v 1.8 2023/07/06 08:29:26 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 v5.36; 19 20package LT::Archive; 21use LT::Trace; 22use LT::Exec; 23use LT::UList; 24use LT::Util; 25use File::Path; 26 27sub extract($self, $dir, $archive) 28{ 29 if (! -d $dir) { 30 tsay {"mkdir -p $dir"}; 31 File::Path::mkpath($dir); 32 } 33 LT::Exec->chdir($dir)->link('ar', 'x', $archive); 34} 35 36sub get_objlist($self, $a) 37{ 38 open(my $arh, '-|', 'ar', 't', $a); 39 my @o = <$arh>; 40 close $arh; 41 map { chomp; } @o; 42 return @o; 43} 44 45sub get_symbollist($self, $filepath, $regex, $objlist) 46{ 47 48 if (@$objlist == 0) { 49 die "get_symbollist: object list is empty\n"; 50 } 51 52 tsay {"generating symbol list in file: $filepath"}; 53 tsay {"object list is @$objlist" }; 54 my $symbols = LT::UList->new; 55 open(my $sh, '-|', 'nm', '--', @$objlist) or 56 die "Error running nm on object list @$objlist\n"; 57 my $c = 0; 58 while (my $line = <$sh>) { 59 chomp $line; 60 tsay {"$c: $line"}; 61 if ($line =~ m/\S+\s+[BCDEGRST]\s+(.*)/) { 62 my $s = $1; 63 if ($s =~ m/$regex/) { 64 push @$symbols, $s; 65 tsay {"matched"}; 66 } 67 } 68 $c++; 69 } 70 open(my $fh, '>', $filepath) or die "Cannot open $filepath\n"; 71 print $fh map { "$_\n" } sort @$symbols; 72} 73 741; 75