mirror of
https://github.com/c64scene-ar/llvm-6502.git
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9cdf388d26
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128594 91177308-0d34-0410-b5e6-96231b3b80d8
387 lines
12 KiB
Perl
Executable File
387 lines
12 KiB
Perl
Executable File
#!/usr/bin/perl -w
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#
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# Program: GenLibDeps.pl
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#
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# Synopsis: Generate HTML output that shows the dependencies between a set of
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# libraries. The output of this script should periodically replace
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# the similar content in the UsingLibraries.html document.
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#
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# Syntax: GenLibDeps.pl [-flat] <directory_with_libraries_in_it> [path_to_nm_binary]
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#
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use strict;
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use warnings;
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# Parse arguments...
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my $FLAT = 0;
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my $WHY = 0;
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my $PEROBJ = 0;
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my $PEROBJINCL = 0;
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while (scalar(@ARGV) and ($_ = $ARGV[0], /^[-+]/)) {
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shift;
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last if /^--$/; # Stop processing arguments on --
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# List command line options here...
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if (/^-flat$/) { $FLAT = 1; next; }
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if (/^-why/) { $WHY = 1; $FLAT = 1; next; }
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if (/^-perobj$/) { $PEROBJ = 1; next; }
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if (/^-perobjincl/) { $PEROBJINCL = 1; next;}
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print "Unknown option: $_ : ignoring!\n";
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}
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# Give first option a name.
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my $Directory = $ARGV[0];
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if (!defined($Directory) || ! -d "$Directory") {
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die "First argument must specify the directory containing LLVM libs\n";
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}
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my $nmPath = $ARGV[1];
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# Find the "dot" program
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my $DotPath="";
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if (!$FLAT) {
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chomp($DotPath = `which dot`);
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die "Can't find 'dot'" if (! -x "$DotPath");
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}
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if (defined($ENV{NM})) {
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chomp($nmPath=$ENV{NM});
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}
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if (!defined($nmPath) || $nmPath eq "") {
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chomp($nmPath=`which nm`);
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die "Can't find 'nm'" if (! -x "$nmPath");
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}
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my $ranlibPath;
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if ($PEROBJ) {
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$ranlibPath = $ARGV[2];
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if (defined($ENV{RANLIB})) {
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chomp($ranlibPath=$ENV{RANLIB});
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}
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if (!defined($ranlibPath) || $ranlibPath eq "") {
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chomp($ranlibPath=`which ranlib`);
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die "Can't find 'ranlib'" if (! -x "$ranlibPath");
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}
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}
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# Open the directory and read its contents, sorting by name and differentiating
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# by whether its a library (.a) or an object file (.o)
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opendir DIR,$Directory;
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my @files = readdir DIR;
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closedir DIR;
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my @libs = grep(/libLLVM.*\.(dylib|so|a)$/,sort(@files));
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# Omit the all-of-llvm shared library.
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@libs = grep(!/libLLVM-\d\.\d(svn)?\.(dylib|so)/, @libs);
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my @objs = grep(/LLVM.*\.o$/,sort(@files));
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# Declare the hashes we will use to keep track of the library and object file
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# symbol definitions.
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my %libdefs;
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my %objdefs;
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my %libobjs;
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my %objdeps=();
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# Gather library definitions at object file granularity (optional)
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if ($PEROBJ) {
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foreach my $lib (@libs ) {
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`$ranlibPath $Directory/$lib`;
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my $libpath = $lib;
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$libpath =~ s/^libLLVM(.*)\.a/$1/;
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$libpath =~ s/(.+)CodeGen$/Target\/$1/;
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$libpath =~ s/(.+)AsmPrinter$/Target\/$1\/AsmPrinter/;
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$libpath =~ s/(.+)AsmParser$/Target\/$1\/AsmParser/;
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$libpath =~ s/(.+)Info$/Target\/$1\/TargetInfo/;
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$libpath =~ s/(.+)Disassembler$/Target\/$1\/Disassembler/;
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$libpath =~ s/SelectionDAG/CodeGen\/SelectionDAG/;
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$libpath =~ s/^AsmPrinter/CodeGen\/AsmPrinter/;
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$libpath =~ s/^BitReader/Bitcode\/Reader/;
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$libpath =~ s/^BitWriter/Bitcode\/Writer/;
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$libpath =~ s/^CBackend/Target\/CBackend/;
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$libpath =~ s/^CppBackend/Target\/CppBackend/;
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$libpath =~ s/^MSIL/Target\/MSIL/;
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$libpath =~ s/^Core/VMCore/;
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$libpath =~ s/^Instrumentation/Transforms\/Instrumentation/;
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$libpath =~ s/^Interpreter/ExecutionEngine\/Interpreter/;
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$libpath =~ s/^JIT/ExecutionEngine\/JIT/;
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$libpath =~ s/^ScalarOpts/Transforms\/Scalar/;
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$libpath =~ s/^TransformUtils/Transforms\/Utils/;
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$libpath =~ s/^ipa/Analysis\/IPA/;
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$libpath =~ s/^ipo/Transforms\/IPO/;
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$libpath = "lib/".$libpath."/";
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open DEFS, "$nmPath -sg $Directory/$lib|";
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while (<DEFS>) {
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chomp;
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if (/^([^ ]*) in ([^ ]*)/) {
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my $objfile = $libpath.$2;
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$objdefs{$1} = $objfile;
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$objdeps{$objfile} = {};
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$libobjs{$lib}{$objfile}=1;
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# my $p = "../llvm/".$objfile;
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# $p =~ s/Support\/reg(.*).o/Support\/reg$1.c/;
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# $p =~ s/.o$/.cpp/;
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# unless (-e $p) {
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# die "$p\n"
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# }
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}
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}
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close DEFS or die "nm failed";
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}
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foreach my $lib (@libs ) {
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my $libpath = $lib;
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$libpath =~ s/^libLLVM(.*)\.a/$1/;
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$libpath =~ s/(.+)CodeGen$/Target\/$1/;
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$libpath =~ s/(.+)AsmPrinter$/Target\/$1\/AsmPrinter/;
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$libpath =~ s/(.+)AsmParser$/Target\/$1\/AsmParser/;
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$libpath =~ s/(.+)Info$/Target\/$1\/TargetInfo/;
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$libpath =~ s/(.+)Disassembler$/Target\/$1\/Disassembler/;
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$libpath =~ s/SelectionDAG/CodeGen\/SelectionDAG/;
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$libpath =~ s/^AsmPrinter/CodeGen\/AsmPrinter/;
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$libpath =~ s/^BitReader/Bitcode\/Reader/;
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$libpath =~ s/^BitWriter/Bitcode\/Writer/;
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$libpath =~ s/^CBackend/Target\/CBackend/;
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$libpath =~ s/^CppBackend/Target\/CppBackend/;
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$libpath =~ s/^MSIL/Target\/MSIL/;
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$libpath =~ s/^Core/VMCore/;
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$libpath =~ s/^Instrumentation/Transforms\/Instrumentation/;
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$libpath =~ s/^Interpreter/ExecutionEngine\/Interpreter/;
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$libpath =~ s/^JIT/ExecutionEngine\/JIT/;
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$libpath =~ s/^ScalarOpts/Transforms\/Scalar/;
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$libpath =~ s/^TransformUtils/Transforms\/Utils/;
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$libpath =~ s/^ipa/Analysis\/IPA/;
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$libpath =~ s/^ipo/Transforms\/IPO/;
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$libpath = "lib/".$libpath."/";
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open UDEFS, "$nmPath -Aup $Directory/$lib|";
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while (<UDEFS>) {
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chomp;
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if (/:([^:]+):/) {
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my $obj = $libpath.$1;
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s/[^ ]+: *U //;
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if (defined($objdefs{$_})) {
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$objdeps{$obj}{$objdefs{$_}}=1;
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}
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}
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}
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close UDEFS or die "nm failed"
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}
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} else {
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# Gather definitions from the libraries
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foreach my $lib (@libs ) {
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open DEFS, "$nmPath -g $Directory/$lib|";
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while (<DEFS>) {
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next if (! / [ABCDGRST] /);
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s/^[^ ]* [ABCDGRST] //;
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s/\015?\012//; # not sure if <DEFS> is in binmode and uses LF or CRLF.
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# this strips both LF and CRLF.
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$libdefs{$_} = $lib;
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}
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close DEFS or die "nm failed";
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}
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}
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# Gather definitions from the object files.
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foreach my $obj (@objs ) {
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open DEFS, "$nmPath -g $Directory/$obj |";
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while (<DEFS>) {
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next if (! / [ABCDGRST] /);
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s/^[^ ]* [ABCDGRST] //;
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s/\015?\012//; # not sure if <DEFS> is in binmode and uses LF or CRLF.
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# this strips both LF and CRLF.
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$objdefs{$_} = $obj;
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}
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close DEFS or die "nm failed";
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}
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# Generate one entry in the <dl> list. This generates the <dt> and <dd> elements
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# for one library or object file. The <dt> provides the name of the library or
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# object. The <dd> provides a list of the libraries/objects it depends on.
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sub gen_one_entry {
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my $lib = $_[0];
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my $lib_ns = $lib;
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$lib_ns =~ s/(.*)\.[oa]/$1/;
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if ($FLAT) {
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print "$lib:";
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if ($WHY) { print "\n"; }
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} else {
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print " <dt><b>$lib</b></dt><dd><ul>\n";
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}
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open UNDEFS,
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"$nmPath -u $Directory/$lib | sed -e 's/^[ 0]* U //' | sort | uniq |";
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my %DepLibs;
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while (<UNDEFS>) {
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chomp;
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my $lib_printed = 0;
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if (defined($libdefs{$_}) && $libdefs{$_} ne $lib) {
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$DepLibs{$libdefs{$_}} = [] unless exists $DepLibs{$libdefs{$_}};
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push(@{$DepLibs{$libdefs{$_}}}, $_);
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} elsif (defined($objdefs{$_}) && $objdefs{$_} ne $lib) {
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if ($PEROBJ && !$PEROBJINCL) {
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# -perobjincl makes .a files depend on .o files they contain themselves
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# default is don't depend on these.
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next if defined $libobjs{$lib}{$objdefs{$_}};
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}
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my $libroot = $lib;
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$libroot =~ s/lib(.*).a/$1/;
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if ($objdefs{$_} ne "$libroot.o") {
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$DepLibs{$objdefs{$_}} = [] unless exists $DepLibs{$objdefs{$_}};
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push(@{$DepLibs{$objdefs{$_}}}, $_);
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}
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}
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}
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close UNDEFS or die "nm failed";
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unless(keys %DepLibs) {
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# above failed
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open UNDEFS, "$nmPath -u $Directory/$lib |";
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while (<UNDEFS>) {
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# to bypass non-working sed
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if (' ' eq substr($_,0,2) and index($_,'U ')) {
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$_ = substr($_,index($_,'U ')+2)
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};
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$_ = substr($_,index($_,' *U ')+5) if -1!=index($_,' *U ');
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chomp;
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my $lib_printed = 0;
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if (defined($libdefs{$_}) && $libdefs{$_} ne $lib) {
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$DepLibs{$libdefs{$_}} = [] unless exists $DepLibs{$libdefs{$_}};
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push(@{$DepLibs{$libdefs{$_}}}, $_);
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} elsif (defined($objdefs{$_}) && $objdefs{$_} ne $lib) {
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my $libroot = $lib;
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$libroot =~ s/lib(.*).a/$1/;
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if ($objdefs{$_} ne "$libroot.o") {
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$DepLibs{$objdefs{$_}} = [] unless exists $DepLibs{$objdefs{$_}};
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push(@{$DepLibs{$objdefs{$_}}}, $_);
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}
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}
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}
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close UNDEFS or die "nm failed";
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}
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if ($PEROBJINCL) {
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# include the .a's objects
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for my $obj (keys %{$libobjs{$lib}}) {
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$DepLibs{$obj} = ["<.a object>"] unless exists $DepLibs{$obj};
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}
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my $madechange = 1;
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while($madechange) {
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$madechange = 0;
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my %temp = %DepLibs;
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foreach my $obj (keys %DepLibs) {
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foreach my $objdeps (keys %{$objdeps{$obj}}) {
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next if defined $temp{$objdeps};
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push(@{$temp{$objdeps}}, $obj);
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$madechange = 1;
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}
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}
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%DepLibs = %temp;
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}
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}
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for my $key (sort keys %DepLibs) {
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if ($FLAT) {
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print " $key";
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if ($WHY) {
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print "\n";
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my @syms = @{$DepLibs{$key}};
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foreach my $sym (@syms) {
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print " $sym\n";
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}
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}
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} else {
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print " <li>$key</li>\n";
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}
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my $suffix = substr($key,length($key)-1,1);
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$key =~ s/(.*)\.[oa]/$1/;
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if ($suffix eq "a") {
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if (!$FLAT) { print DOT "$lib_ns -> $key [ weight=0 ];\n" };
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} else {
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if (!$FLAT) { print DOT "$lib_ns -> $key [ weight=10];\n" };
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}
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}
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if ($FLAT) {
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if (!$WHY) {
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print "\n";
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}
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} else {
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print " </ul></dd>\n";
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}
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}
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# Make sure we flush on write. This is slower but correct based on the way we
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# write I/O in gen_one_entry.
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$| = 1;
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# Print the definition list tag
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if (!$FLAT) {
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print "<dl>\n";
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open DOT, "| $DotPath -Tgif > libdeps.gif";
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print DOT "digraph LibDeps {\n";
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print DOT " size=\"40,15\"; \n";
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print DOT " ratio=\"1.33333\"; \n";
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print DOT " margin=\"0.25\"; \n";
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print DOT " rankdir=\"LR\"; \n";
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print DOT " mclimit=\"50.0\"; \n";
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print DOT " ordering=\"out\"; \n";
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print DOT " center=\"1\";\n";
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print DOT "node [shape=\"box\",\n";
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print DOT " color=\"#000088\",\n";
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print DOT " fillcolor=\"#FFFACD\",\n";
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print DOT " fontcolor=\"#3355BB\",\n";
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print DOT " style=\"filled\",\n";
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print DOT " fontname=\"sans\",\n";
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print DOT " fontsize=\"24\"\n";
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print DOT "];\n";
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print DOT "edge [dir=\"forward\",style=\"solid\",color=\"#000088\"];\n";
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}
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# Print libraries first
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foreach my $lib (@libs) {
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gen_one_entry($lib);
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}
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if ($PEROBJ) {
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foreach my $obj (keys %objdeps) {
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print "$obj:";
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if (!$PEROBJINCL) {
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foreach my $dep (keys %{$objdeps{$obj}}) {
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print " $dep";
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}
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}
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print "\n";
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}
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}
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if (!$FLAT) {
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print DOT "}\n";
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close DOT;
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open DOT, "| $DotPath -Tgif > objdeps.gif";
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print DOT "digraph ObjDeps {\n";
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print DOT " size=\"8,10\";\n";
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print DOT " margin=\"0.25\";\n";
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print DOT " rankdir=\"LR\";\n";
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print DOT " mclimit=\"50.0\";\n";
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print DOT " ordering=\"out\";\n";
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print DOT " center=\"1\";\n";
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print DOT "node [shape=\"box\",\n";
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print DOT " color=\"#000088\",\n";
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print DOT " fillcolor=\"#FFFACD\",\n";
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print DOT " fontcolor=\"#3355BB\",\n";
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print DOT " fontname=\"sans\",\n";
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print DOT " style=\"filled\",\n";
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print DOT " fontsize=\"24\"\n";
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print DOT "];\n";
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print DOT "edge [dir=\"forward\",style=\"solid\",color=\"#000088\"];\n";
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}
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# Print objects second
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foreach my $obj (@objs) {
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gen_one_entry($obj);
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}
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if (!$FLAT) {
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print DOT "}\n";
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close DOT;
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# Print end tag of definition list element
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print "</dl>\n";
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}
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