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#!/usr/local/bin/perl -w
use File::Find;
use Config;
my @libs;
my $dlext = $Config{'dlext'};
my %ref;
my %def;
my %file;
sub read_object
{
my $obj = shift;
open(NM,"nm -p $obj|") || die "Cannot open nm $obj:$!";
while (<NM>)
{
if (/\b([A-Z])\b\s*_?(.*)$/)
{
my ($kind,$name) = ($1,$2);
if ($kind ne 'U')
{
$def{$name} = [] unless (exists $def{$name});
push(@{$def{$name}},$obj);
}
else
{
$ref{$name} = [] unless (exists $ref{$name});
push(@{$ref{$name}},$obj);
}
}
if (/\b(f)\b\s*_?(.*)$/)
{
my ($kind,$name) = ($1,$2);
$file{$name} = [] unless (exists $file{$name});
push(@{$file{$name}},$obj);
}
}
close(NM);
}
find(\&scan,'blib');
sub scan
{
push(@libs,$File::Find::name) if /\.$dlext$/o;
}
foreach my $lib (@libs)
{
read_object($lib);
}
foreach my $def (sort keys %def)
{
my $w = $def{$def};
if (@$w > 1 && @$w != @libs)
{
print $def,' ',join(' ',@$w),"\n";
}
}
foreach my $file (sort keys %file)
{
my $w = $file{$file};
if (@$w > 1 && @$w != @libs)
{
print $file,' ',join(' ',@$w),"\n";
}
}
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