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|
die "Useage: $0 this_map previous_map" unless $#ARGV == 1;
die "Cannot open this map $ARGV[0]" unless open(IN, $ARGV[0]);
while( ($_ = <IN>) && !/^\s*Address/ )
{}
LOOP1: while(<IN>) {
s/^\s*//;
s/\s*$//;
@F = split(/\s+/, $_);
last LOOP1 if $F[0] eq 'Address';
if($#F == 1) {
$sym{$F[1]} = 1;
} elsif($#F == 2 && $F[1] eq 'Abs') {
$sym{$F[2]} = 1;
}
}
close IN;
die "Cannot open previous map $ARGV[1]" unless open(IN, $ARGV[1]);
while( ($_ = <IN>) && !/^\s*Address/ )
{}
LOOP1: while(<IN>) {
s/^\s*//;
s/\s*$//;
@F = split(/\s+/, $_);
last LOOP1 if $F[0] eq 'Address';
if($#F == 1) {
$nam = $F[1];
} elsif($#F == 2 && $F[1] eq 'Abs') {
$nam = $F[2];
} else {
next;
}
if(defined $sym{$nam}) {
delete $sym{$nam};
} else {
print "- $nam\n";
}
}
close IN;
foreach $nam (sort keys %sym) {
print "+ $nam\n";
}
|
