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f44b349462
* Make subordinate libraries presented with a vertical list instead of all listed on a single line. llvm-svn: 19196
102 lines
2.6 KiB
Perl
Executable File
102 lines
2.6 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 <directory_with_libraries_in_it>
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#
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# Give first option a name.
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my $Directory = $ARGV[0];
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# Open the directory and read its contents, sorting by name and differentiating
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# by whether its a library (.a) or an object file (.o)
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opendir DIR,$Directory;
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my @files = readdir DIR;
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closedir DIR;
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@libs = grep(/libLLVM.*\.a$/,sort(@files));
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@objs = grep(/LLVM.*\.o$/,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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# Gather definitions from the libraries
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foreach $lib (@libs ) {
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open DEFS,
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"nm -g --defined-only $lib | grep ' [ABCDGRST] ' | sed -e 's/^[0-9A-Fa-f]* [ABCDGRST] //' | sort | uniq |";
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while (<DEFS>) {
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chomp($_);
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$libdefs{$_} = $lib;
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}
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close DEFS;
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}
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# Gather definitions from the object files.
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foreach $obj (@objs ) {
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open DEFS,
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"nm -g --defined-only $obj | grep ' [ABCDGRST] ' | sed -e 's/^[0-9A-Fa-f]* [ABCDGRST] //' | sort | uniq |";
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while (<DEFS>) {
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chomp($_);
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$objdefs{$_} = $obj;
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}
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close DEFS;
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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 = $_[0];
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print " <dt><b>$lib</b</dt><dd><ul>\n";
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open UNDEFS,
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"nm -u $lib | grep ' U ' | sed -e 's/ U //' | sort | uniq |";
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open DEPENDS,
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"| sort | uniq > GenLibDeps.out";
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while (<UNDEFS>) {
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chomp;
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if (defined($libdefs{$_}) && $libdefs{$_} ne $lib) {
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print DEPENDS "$libdefs{$_}\n";
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} elsif (defined($objdefs{$_}) && $objdefs{$_} ne $lib) {
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$libroot = $lib;
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$libroot =~ s/lib(.*).a/$1/;
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if ($objdefs{$_} ne "$libroot.o") {
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print DEPENDS "$objdefs{$_}\n";
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}
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}
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}
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close UNDEFS;
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close DEPENDS;
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open DF, "<GenLibDeps.out";
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while (<DF>) {
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chomp;
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print " <li>$_</li>\n";
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}
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close DF;
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print " </ul></dd>\n";
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}
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# Make sure we flush on write. This is slower but correct based on the way we
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# write I/O in gen_one_entry.
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$| = 1;
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# Print the definition list tag
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print "<dl>\n";
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# Print libraries first
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foreach $lib (@libs) {
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gen_one_entry($lib);
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}
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# Print objects second
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foreach $obj (@objs) {
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gen_one_entry($obj);
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}
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# Print end tag of definition list element
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print "</dl>\n";
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