# Syntax: GenLibDeps.pl [-flat] <directory_with_libraries_in_it> [path_to_nm_binary]
#
use strict;
-
+use warnings;
# Parse arguments...
my $FLAT = 0;
my $WHY = 0;
+my $PEROBJ = 0;
+my $PEROBJINCL = 0;
while (scalar(@ARGV) and ($_ = $ARGV[0], /^[-+]/)) {
shift;
last if /^--$/; # Stop processing arguments on --
# List command line options here...
if (/^-flat$/) { $FLAT = 1; next; }
if (/^-why/) { $WHY = 1; $FLAT = 1; next; }
+ if (/^-perobj$/) { $PEROBJ = 1; next; }
+ if (/^-perobjincl/) { $PEROBJINCL = 1; next;}
print "Unknown option: $_ : ignoring!\n";
}
die "Can't find 'dot'" if (! -x "$DotPath");
}
+if (defined($ENV{NM})) {
+ chomp($nmPath=$ENV{NM});
+}
+
if (!defined($nmPath) || $nmPath eq "") {
chomp($nmPath=`which nm`);
die "Can't find 'nm'" if (! -x "$nmPath");
}
+my $ranlibPath;
+if ($PEROBJ) {
+ $ranlibPath = $ARGV[2];
+ if (defined($ENV{RANLIB})) {
+ chomp($ranlibPath=$ENV{RANLIB});
+ }
+
+ if (!defined($ranlibPath) || $ranlibPath eq "") {
+ chomp($ranlibPath=`which ranlib`);
+ die "Can't find 'ranlib'" if (! -x "$ranlibPath");
+ }
+}
+
# Open the directory and read its contents, sorting by name and differentiating
# by whether its a library (.a) or an object file (.o)
opendir DIR,$Directory;
my @files = readdir DIR;
closedir DIR;
-my @libs = grep(/libLLVM.*\.a$/,sort(@files));
+my @libs = grep(/libLLVM.*\.(dylib|so|a)$/,sort(@files));
+# Omit the all-of-llvm shared library.
+@libs = grep(!/libLLVM-\d\.\d(svn)?\.(dylib|so)/, @libs);
my @objs = grep(/LLVM.*\.o$/,sort(@files));
# Declare the hashes we will use to keep track of the library and object file
my %libdefs;
my %objdefs;
+my %libobjs;
+my %objdeps=();
+# Gather library definitions at object file granularity (optional)
+if ($PEROBJ) {
+ foreach my $lib (@libs ) {
+ `$ranlibPath $Directory/$lib`;
+ my $libpath = $lib;
+ $libpath =~ s/^libLLVM(.*)\.a/$1/;
+ $libpath =~ s/(.+)CodeGen$/Target\/$1/;
+ $libpath =~ s/(.+)AsmPrinter$/Target\/$1\/AsmPrinter/;
+ $libpath =~ s/(.+)AsmParser$/Target\/$1\/AsmParser/;
+ $libpath =~ s/(.+)Info$/Target\/$1\/TargetInfo/;
+ $libpath =~ s/(.+)Disassembler$/Target\/$1\/Disassembler/;
+ $libpath =~ s/SelectionDAG/CodeGen\/SelectionDAG/;
+ $libpath =~ s/^AsmPrinter/CodeGen\/AsmPrinter/;
+ $libpath =~ s/^BitReader/Bitcode\/Reader/;
+ $libpath =~ s/^BitWriter/Bitcode\/Writer/;
+ $libpath =~ s/^CppBackend/Target\/CppBackend/;
+ $libpath =~ s/^MSIL/Target\/MSIL/;
+ $libpath =~ s/^Core/IR/;
+ $libpath =~ s/^Instrumentation/Transforms\/Instrumentation/;
+ $libpath =~ s/^Interpreter/ExecutionEngine\/Interpreter/;
+ $libpath =~ s/^JIT/ExecutionEngine\/JIT/;
+ $libpath =~ s/^ScalarOpts/Transforms\/Scalar/;
+ $libpath =~ s/^TransformUtils/Transforms\/Utils/;
+ $libpath =~ s/^ipa/Analysis\/IPA/;
+ $libpath =~ s/^ipo/Transforms\/IPO/;
+ $libpath = "lib/".$libpath."/";
+ open DEFS, "$nmPath -sg $Directory/$lib|";
+ while (<DEFS>) {
+ chomp;
+ if (/^([^ ]*) in ([^ ]*)/) {
+ my $objfile = $libpath.$2;
+ $objdefs{$1} = $objfile;
+ $objdeps{$objfile} = {};
+ $libobjs{$lib}{$objfile}=1;
+# my $p = "../llvm/".$objfile;
+# $p =~ s/Support\/reg(.*).o/Support\/reg$1.c/;
+# $p =~ s/.o$/.cpp/;
+# unless (-e $p) {
+# die "$p\n"
+# }
+ }
+ }
+ close DEFS or die "nm failed";
+ }
+ foreach my $lib (@libs ) {
+ my $libpath = $lib;
+ $libpath =~ s/^libLLVM(.*)\.a/$1/;
+ $libpath =~ s/(.+)CodeGen$/Target\/$1/;
+ $libpath =~ s/(.+)AsmPrinter$/Target\/$1\/AsmPrinter/;
+ $libpath =~ s/(.+)AsmParser$/Target\/$1\/AsmParser/;
+ $libpath =~ s/(.+)Info$/Target\/$1\/TargetInfo/;
+ $libpath =~ s/(.+)Disassembler$/Target\/$1\/Disassembler/;
+ $libpath =~ s/SelectionDAG/CodeGen\/SelectionDAG/;
+ $libpath =~ s/^AsmPrinter/CodeGen\/AsmPrinter/;
+ $libpath =~ s/^BitReader/Bitcode\/Reader/;
+ $libpath =~ s/^BitWriter/Bitcode\/Writer/;
+ $libpath =~ s/^CppBackend/Target\/CppBackend/;
+ $libpath =~ s/^MSIL/Target\/MSIL/;
+ $libpath =~ s/^Core/VMCore/;
+ $libpath =~ s/^Instrumentation/Transforms\/Instrumentation/;
+ $libpath =~ s/^Interpreter/ExecutionEngine\/Interpreter/;
+ $libpath =~ s/^JIT/ExecutionEngine\/JIT/;
+ $libpath =~ s/^ScalarOpts/Transforms\/Scalar/;
+ $libpath =~ s/^TransformUtils/Transforms\/Utils/;
+ $libpath =~ s/^ipa/Analysis\/IPA/;
+ $libpath =~ s/^ipo/Transforms\/IPO/;
+ $libpath = "lib/".$libpath."/";
+ open UDEFS, "$nmPath -Aup $Directory/$lib|";
+ while (<UDEFS>) {
+ chomp;
+ if (/:([^:]+):/) {
+ my $obj = $libpath.$1;
+ s/[^ ]+: *U //;
+ if (defined($objdefs{$_})) {
+ $objdeps{$obj}{$objdefs{$_}}=1;
+ }
+ }
+ }
+ close UDEFS or die "nm failed"
+ }
+} else {
# Gather definitions from the libraries
foreach my $lib (@libs ) {
open DEFS, "$nmPath -g $Directory/$lib|";
# this strips both LF and CRLF.
$libdefs{$_} = $lib;
}
- close DEFS;
+ close DEFS or die "nm failed";
+}
}
# Gather definitions from the object files.
# this strips both LF and CRLF.
$objdefs{$_} = $obj;
}
- close DEFS;
+ close DEFS or die "nm failed";
}
# Generate one entry in the <dl> list. This generates the <dt> and <dd> elements
print "$lib:";
if ($WHY) { print "\n"; }
} else {
- print " <dt><b>$lib</b</dt><dd><ul>\n";
+ print " <dt><b>$lib</b
></dt><dd><ul>\n";
}
open UNDEFS,
- "$nmPath -g -u $Directory/$lib | sed -e 's/^[ 0]* U //' | sort | uniq |";
+ "$nmPath -u $Directory/$lib | sed -e 's/^[ 0]* U //' | sort | uniq |";
my %DepLibs;
while (<UNDEFS>) {
chomp;
$DepLibs{$libdefs{$_}} = [] unless exists $DepLibs{$libdefs{$_}};
push(@{$DepLibs{$libdefs{$_}}}, $_);
} elsif (defined($objdefs{$_}) && $objdefs{$_} ne $lib) {
+ if ($PEROBJ && !$PEROBJINCL) {
+ # -perobjincl makes .a files depend on .o files they contain themselves
+ # default is don't depend on these.
+ next if defined $libobjs{$lib}{$objdefs{$_}};
+ }
my $libroot = $lib;
$libroot =~ s/lib(.*).a/$1/;
if ($objdefs{$_} ne "$libroot.o") {
}
}
}
- close UNDEFS;
+ close UNDEFS or die "nm failed";
+ unless(keys %DepLibs) {
+ # above failed
+ open UNDEFS, "$nmPath -u $Directory/$lib |";
+ while (<UNDEFS>) {
+ # to bypass non-working sed
+ if (' ' eq substr($_,0,2) and index($_,'U ')) {
+ $_ = substr($_,index($_,'U ')+2)
+ };
+ $_ = substr($_,index($_,' *U ')+5) if -1!=index($_,' *U ');
+
+ chomp;
+ my $lib_printed = 0;
+ if (defined($libdefs{$_}) && $libdefs{$_} ne $lib) {
+ $DepLibs{$libdefs{$_}} = [] unless exists $DepLibs{$libdefs{$_}};
+ push(@{$DepLibs{$libdefs{$_}}}, $_);
+ } elsif (defined($objdefs{$_}) && $objdefs{$_} ne $lib) {
+ my $libroot = $lib;
+ $libroot =~ s/lib(.*).a/$1/;
+ if ($objdefs{$_} ne "$libroot.o") {
+ $DepLibs{$objdefs{$_}} = [] unless exists $DepLibs{$objdefs{$_}};
+ push(@{$DepLibs{$objdefs{$_}}}, $_);
+ }
+ }
+ }
+ close UNDEFS or die "nm failed";
+ }
+ if ($PEROBJINCL) {
+ # include the .a's objects
+ for my $obj (keys %{$libobjs{$lib}}) {
+ $DepLibs{$obj} = ["<.a object>"] unless exists $DepLibs{$obj};
+ }
+ my $madechange = 1;
+ while($madechange) {
+ $madechange = 0;
+ my %temp = %DepLibs;
+ foreach my $obj (keys %DepLibs) {
+ foreach my $objdeps (keys %{$objdeps{$obj}}) {
+ next if defined $temp{$objdeps};
+ push(@{$temp{$objdeps}}, $obj);
+ $madechange = 1;
+ }
+ }
+ %DepLibs = %temp;
+ }
+ }
+
for my $key (sort keys %DepLibs) {
if ($FLAT) {
print " $key";
gen_one_entry($lib);
}
+if ($PEROBJ) {
+ foreach my $obj (keys %objdeps) {
+ print "$obj:";
+ if (!$PEROBJINCL) {
+ foreach my $dep (keys %{$objdeps{$obj}}) {
+ print " $dep";
+ }
+ }
+ print "\n";
+ }
+}
+
if (!$FLAT) {
print DOT "}\n";
close DOT;
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