# libraries. The output of this script should periodically replace
# the similar content in the UsingLibraries.html document.
#
-# Syntax: GenLibDeps.pl <directory_with_libraries_in_it>
+# Syntax: GenLibDeps.pl [-flat] <directory_with_libraries_in_it> [path_to_nm_binary]
#
+use strict;
+
+# Parse arguments...
+my $FLAT = 0;
+my $WHY = 0;
+while (scalar(@ARGV) and ($_ = $ARGV[0], /^[-+]/)) {
+ shift;
+ last if /^--$/; # Stop processing arguments on --
+
+ # List command line options here...
+ if (/^-flat$/) { $FLAT = 1; next; }
+ if (/^-why/) { $WHY = 1; $FLAT = 1; next; }
+ print "Unknown option: $_ : ignoring!\n";
+}
# Give first option a name.
my $Directory = $ARGV[0];
+if (!defined($Directory) || ! -d "$Directory") {
+ die "First argument must specify the directory containing LLVM libs\n";
+}
+
+my $nmPath = $ARGV[1];
+
+# Find the "dot" program
+my $DotPath="";
+if (!$FLAT) {
+ chomp($DotPath = `which dot`);
+ die "Can't find 'dot'" if (! -x "$DotPath");
+}
+
+if (!defined($nmPath) || $nmPath eq "") {
+ chomp($nmPath=`which nm`);
+ die "Can't find 'nm'" if (! -x "$nmPath");
+}
# Open the directory and read its contents, sorting by name and differentiating
# by whether its a library (.a) or an object file (.o)
opendir DIR,$Directory;
my @files = readdir DIR;
closedir DIR;
-@libs = grep(/libLLVM.*\.a$/,sort(@files));
-@objs = grep(/LLVM.*\.o$/,sort(@files));
+my @libs = grep(/libLLVM.*\.a$/,sort(@files));
+my @objs = grep(/LLVM.*\.o$/,sort(@files));
# Declare the hashes we will use to keep track of the library and object file
# symbol definitions.
my %objdefs;
# Gather definitions from the libraries
-foreach $lib (@libs ) {
- open DEFS,
- "nm -g --defined-only $lib | grep ' [ABCDGRST] ' | sed -e 's/^[0-9A-Fa-f]* [ABCDGRST] //' | sort | uniq |";
+foreach my $lib (@libs ) {
+ open DEFS, "$nmPath -g $Directory/$lib|";
while (<DEFS>) {
+ next if (! / [ABCDGRST] /);
+ s/^[^ ]* [ABCDGRST] //;
chomp($_);
$libdefs{$_} = $lib;
}
}
# Gather definitions from the object files.
-foreach $obj (@objs ) {
- open DEFS,
- "nm -g --defined-only $obj | grep ' [ABCDGRST] ' | sed -e 's/^[0-9A-Fa-f]* [ABCDGRST] //' | sort | uniq |";
+foreach my $obj (@objs ) {
+ open DEFS, "$nmPath -g $Directory/$obj |";
while (<DEFS>) {
+ next if (! / [ABCDGRST] /);
+ s/^[^ ]* [ABCDGRST] //;
chomp($_);
$objdefs{$_} = $obj;
}
# object. The <dd> provides a list of the libraries/objects it depends on.
sub gen_one_entry {
my $lib = $_[0];
- print " <dt><b>$lib</b</dt><dd><ul>\n";
+ my $lib_ns = $lib;
+ $lib_ns =~ s/(.*)\.[oa]/$1/;
+ if ($FLAT) {
+ print "$lib:";
+ if ($WHY) { print "\n"; }
+ } else {
+ print " <dt><b>$lib</b</dt><dd><ul>\n";
+ }
open UNDEFS,
- "nm -u $lib | grep ' U ' | sed -e 's/ U //' | sort | uniq |";
- open DEPENDS,
- "| sort | uniq > GenLibDeps.out";
+ "$nmPath -g -u $Directory/$lib | sed -e 's/^ *U //' | sort | uniq |";
+ my %DepLibs;
while (<UNDEFS>) {
chomp;
+ my $lib_printed = 0;
if (defined($libdefs{$_}) && $libdefs{$_} ne $lib) {
- print DEPENDS "$libdefs{$_}\n";
+ $DepLibs{$libdefs{$_}} = [] unless exists $DepLibs{$libdefs{$_}};
+ push(@{$DepLibs{$libdefs{$_}}}, $_);
} elsif (defined($objdefs{$_}) && $objdefs{$_} ne $lib) {
- $libroot = $lib;
+ my $libroot = $lib;
$libroot =~ s/lib(.*).a/$1/;
if ($objdefs{$_} ne "$libroot.o") {
- print DEPENDS "$objdefs{$_}\n";
+ $DepLibs{$objdefs{$_}} = [] unless exists $DepLibs{$objdefs{$_}};
+ push(@{$DepLibs{$objdefs{$_}}}, $_);
}
}
}
close UNDEFS;
- close DEPENDS;
- open DF, "<GenLibDeps.out";
- while (<DF>) {
- chomp;
- print " <li>$_</li>\n";
+ for my $key (sort keys %DepLibs) {
+ if ($FLAT) {
+ print " $key";
+ if ($WHY) {
+ print "\n";
+ my @syms = @{$DepLibs{$key}};
+ foreach my $sym (@syms) {
+ print " $sym\n";
+ }
+ }
+ } else {
+ print " <li>$key</li>\n";
+ }
+ my $suffix = substr($key,length($key)-1,1);
+ $key =~ s/(.*)\.[oa]/$1/;
+ if ($suffix eq "a") {
+ if (!$FLAT) { print DOT "$lib_ns -> $key [ weight=0 ];\n" };
+ } else {
+ if (!$FLAT) { print DOT "$lib_ns -> $key [ weight=10];\n" };
+ }
+ }
+ if ($FLAT) {
+ if (!$WHY) {
+ print "\n";
+ }
+ } else {
+ print " </ul></dd>\n";
}
- close DF;
- print " </ul></dd>\n";
}
# Make sure we flush on write. This is slower but correct based on the way we
$| = 1;
# Print the definition list tag
-print "<dl>\n";
+if (!$FLAT) {
+ print "<dl>\n";
+
+ open DOT, "| $DotPath -Tgif > libdeps.gif";
+
+ print DOT "digraph LibDeps {\n";
+ print DOT " size=\"40,15\"; \n";
+ print DOT " ratio=\"1.33333\"; \n";
+ print DOT " margin=\"0.25\"; \n";
+ print DOT " rankdir=\"LR\"; \n";
+ print DOT " mclimit=\"50.0\"; \n";
+ print DOT " ordering=\"out\"; \n";
+ print DOT " center=\"1\";\n";
+ print DOT "node [shape=\"box\",\n";
+ print DOT " color=\"#000088\",\n";
+ print DOT " fillcolor=\"#FFFACD\",\n";
+ print DOT " fontcolor=\"#3355BB\",\n";
+ print DOT " style=\"filled\",\n";
+ print DOT " fontname=\"sans\",\n";
+ print DOT " fontsize=\"24\"\n";
+ print DOT "];\n";
+ print DOT "edge [dir=\"forward\",style=\"solid\",color=\"#000088\"];\n";
+}
# Print libraries first
-foreach $lib (@libs) {
+foreach my $lib (@libs) {
gen_one_entry($lib);
}
+if (!$FLAT) {
+ print DOT "}\n";
+ close DOT;
+ open DOT, "| $DotPath -Tgif > objdeps.gif";
+ print DOT "digraph ObjDeps {\n";
+ print DOT " size=\"8,10\";\n";
+ print DOT " margin=\"0.25\";\n";
+ print DOT " rankdir=\"LR\";\n";
+ print DOT " mclimit=\"50.0\";\n";
+ print DOT " ordering=\"out\";\n";
+ print DOT " center=\"1\";\n";
+ print DOT "node [shape=\"box\",\n";
+ print DOT " color=\"#000088\",\n";
+ print DOT " fillcolor=\"#FFFACD\",\n";
+ print DOT " fontcolor=\"#3355BB\",\n";
+ print DOT " fontname=\"sans\",\n";
+ print DOT " style=\"filled\",\n";
+ print DOT " fontsize=\"24\"\n";
+ print DOT "];\n";
+ print DOT "edge [dir=\"forward\",style=\"solid\",color=\"#000088\"];\n";
+}
+
# Print objects second
-foreach $obj (@objs) {
+foreach my $obj (@objs) {
gen_one_entry($obj);
}
+if (!$FLAT) {
+ print DOT "}\n";
+ close DOT;
+
# Print end tag of definition list element
-print "</dl>\n";
+ print "</dl>\n";
+}
projects / oota-llvm.git / blobdiff