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#!/usr/bin/perl
# Copyright (C) 2012-2013 Red Hat, Inc.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library. If not, see
# <http://www.gnu.org/licenses/>.
die "syntax: $0 SYMFILE ELFLIB(S)" unless int(@ARGV) >= 2;
my $symfile = shift @ARGV;
my @elflibs = @ARGV;
my %wantsyms;
my %gotsyms;
my $ret = 0;
open SYMFILE, $symfile or die "cannot read $symfile: $!";
while (<SYMFILE>) {
next if /{/;
next if /}/;
next if /global:/;
next if /local:/;
next if /^\s*$/;
next if /^\s*#/;
next if /\*/;
die "malformed line $_" unless /^\s*(\S+);$/;
if (exists $wantsyms{$1}) {
print STDERR "Symbol $1 is listed twice\n";
$ret = 1;
} else {
$wantsyms{$1} = 1;
}
}
close SYMFILE;
foreach my $elflib (@elflibs) {
open NM, "-|", "nm", $elflib or die "cannot run 'nm $elflib': $!";
while (<NM>) {
next unless /^\S+\s(?:[TBD])\s(\S+)\s*$/;
$gotsyms{$1} = 1;
}
close NM;
}
foreach my $sym (keys(%wantsyms)) {
next if exists $gotsyms{$sym};
print STDERR "Expected symbol $sym is not in ELF library\n";
$ret = 1;
}
exit($ret);
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