#!/usr/bin/perl -w
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#
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# Program: findsym.pl
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#
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# Synopsis: Generate a list of the libraries in which a symbol is defined or
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# referenced.
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#
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# Syntax: findsym.pl <directory_with_libraries_in_it> <symbol>
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#
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# Give first option a name.
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my $Directory = $ARGV[0];
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my $Symbol = $ARGV[1];
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# Open the directory and read its contents, sorting by name and differentiating
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# by whether its a library (.a) or an object file (.o)
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opendir DIR,$Directory;
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my @files = readdir DIR;
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closedir DIR;
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@objects = grep(/l?i?b?LLVM.*\.[oa]$/,sort(@files));
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# Gather definitions from the libraries
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foreach $lib (@objects) {
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my $head = 0;
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open SYMS,
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"nm $Directory/$lib | grep '$Symbol' | sort --key=3 | uniq |";
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while (<SYMS>) {
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if (!$head) { print "$lib:\n"; $head = 1; }
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chomp($_);
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print " $_\n";
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}
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close SYMS;
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}
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