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32 lines
855 B
Perl
32 lines
855 B
Perl
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#!/usr/bin/perl
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# Try:
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# gcc -static -o test test.c -Wl,--print-map | perl parse-map.pl | unflatten -l 3 | dot -Tpng > map.png
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#
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# This won't show all edges! An archive member is only listed the first
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# time it needs to get included. But this shows at least one reason why each
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# archive member appears in the final object.
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my $flag = 0;
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my $line = "";
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print "digraph map {\n";
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print "rankdir = LR;";
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while(<>)
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{
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$flag++ if /^Archive member included because of file \(symbol\)$/;
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$flag++ if /^$/;
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next unless $flag == 2;
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chomp ($line .= $_);
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if ($line =~ /^(\S+)\s+(\S+)\s+\(([^)]+)\)$/s) {
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$line = "";
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my $archive_member = $1;
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my $because_file = $2;
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my $because_symbol = $3;
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$archive_member =~ s|.*/([^/]+)|$1|;
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$because_file =~ s|.*/([^/]+)|$1|;
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print "\"$because_file\" -> \"$archive_member\";\n";
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}
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}
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print "}\n";
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