Next

Rakefile

@@ -1,6 +1,8 @@
-require 'rake/gempackagetask'
+require 'rubygems/package_task'
 require 'rake/testtask'
 
+LLVM_TARGET_VERSION = '2.9'
+
 begin
   require 'rcov/rcovtask'
 
@@ -37,21 +39,114 @@ def spec
     s.files = Dir['lib/**/*rb']
     s.require_path = 'lib'
 
-    s.has_rdoc = true
     s.extra_rdoc_files = 'README.rdoc'
 
+    s.extensions << 'ext/LLVM-EB/extconf.rb'
+
     s.author = "Jeremy Voorhis"
     s.email = "jvoorhis@gmail.com"
     s.homepage = "http://github.com/jvoorhis/ruby-llvm"
   end
 end
 
-Rake::GemPackageTask.new(spec) do |t|
-end
+Gem::PackageTask.new(spec)
 
 Rake::TestTask.new do |t|
   t.libs << "test"
   t.test_files = FileList["test/**/*_test.rb"]
 end
 
+task :check_bindings, :verbose do |t, args|
+	(args = args.to_hash)[:verbose] = if args[:verbose] == 'true' then true else false end
+
+	require 'lib/llvm/bindings'
+
+	# Check for objdump.
+	if not (bin = `which objdump`.chomp)[0,1] == '/'
+		puts 'objdump binary not found.'
+		return
+	end
+
+	# Locate the LLVM shared library.
+	lib_path = nil
+
+	paths  = ENV['LD_LIBRARY_PATH'].split(/:/).uniq
+	paths << '/usr/lib/'
+	paths << '/usr/lib64/'
+
+	paths.each do |path|
+		test_path = File.join(path, "libLLVM-#{LLVM_TARGET_VERSION}.so")
+		if File.exists?(test_path)
+			lib_path = test_path
+		end
+	end
+
+	if not lib_path
+		puts "libLLVM-#{LLVM_TARGET_VERSION}.so not found."
+		return
+	end
+
+	# Grab libLLVM symbols.
+	lines = `#{bin} -t #{lib_path}`
+
+	lsyms = lines.map do |l|
+		md = l.match(/\s(LLVM\w+)/)
+		if md then md[1] else nil end
+	end.compact.uniq
+
+	# Grab libLLVM-EB symbols.
+	lib_path = "ext/libLLVM-EB-#{LLVM_TARGET_VERSION}.so"
+
+	if not File.exists?(lib_path)
+		puts 'Extending Bindings shared library not present.'
+		return
+	end
+
+	lines = `#{bin} -t #{lib_path}`
+
+	lsyms |= lsyms = lines.map do |l|
+		md = l.match(/\s(LLVM\w+)/)
+		if md then md[1] else nil end
+	end.compact.uniq
+
+	# Defined symbols.
+	dsyms = Symbol.all_symbols.map do |sym|
+		sym = sym.to_s
+		if sym.match(/^LLVM[a-zA-Z]+/) then sym else nil end
+	end.compact
+
+	# Sort the symbols.
+	bound	= Array.new
+	unbound	= Array.new
+	unbinds	= Array.new
+
+	lsyms.each do |sym|
+		if dsyms.include?(sym) then bound else unbound end << sym
+	end
+
+	dsyms.each do |sym|
+		if not lsyms.include?(sym) then unbinds << sym end
+	end
+
+	puts "Bound Functions: #{bound.length}"
+	puts "Unbound Functions: #{unbound.length}"
+	puts "Bad Bindings: #{unbinds.length}"
+	puts "Completeness: #{((bound.length / lsyms.length.to_f) * 100).to_i}%"
+
+	if args[:verbose]
+		puts() if unbound.length > 0 and unbinds.length > 0
+
+		if unbound.length > 0
+			puts 'Unbound Functions:'
+			unbound.sort.each {|sym| puts sym}
+			puts
+		end
+
+		if unbinds.length > 0
+			puts 'Bad Bindings:'
+			unbinds.sort.each {|sym| puts sym}
+		end
+	end
+end
+
 task :default => [:test]

ext/LLVM-EB/Makefile

@@ -0,0 +1,157 @@
+
+SHELL = /bin/sh
+
+#### Start of system configuration section. ####
+
+srcdir = .
+topdir = /usr/lib64/ruby/1.8/x86_64-linux
+hdrdir = $(topdir)
+VPATH = $(srcdir):$(topdir):$(hdrdir)
+exec_prefix = $(DESTDIR)/usr
+prefix = $(DESTDIR)/usr
+sharedstatedir = $(DESTDIR)/var/lib
+mandir = $(DESTDIR)/usr/share/man
+psdir = $(docdir)
+oldincludedir = $(DESTDIR)/usr/include
+localedir = $(datarootdir)/locale
+bindir = $(DESTDIR)/usr/bin
+libexecdir = $(DESTDIR)/usr/libexec
+sitedir = $(DESTDIR)/usr/lib/ruby/site_ruby
+htmldir = $(docdir)
+vendorarchdir = $(libdir)/ruby/$(ruby_version)/$(sitearch)
+includedir = $(DESTDIR)/usr/include
+infodir = $(DESTDIR)/usr/share/info
+vendorlibdir = $(vendordir)/$(ruby_version)
+sysconfdir = $(DESTDIR)/etc
+libdir = $(DESTDIR)/usr/lib64
+sbindir = $(DESTDIR)/usr/sbin
+rubylibdir = $(vendordir)/$(ruby_version)
+docdir = $(datarootdir)/doc/$(PACKAGE)
+dvidir = $(docdir)
+vendordir = $(DESTDIR)/usr/lib/ruby
+datarootdir = $(prefix)/share
+pdfdir = $(docdir)
+archdir = $(libdir)/ruby/$(ruby_version)/$(sitearch)
+sitearchdir = $(libdir)/ruby/site_ruby/$(ruby_version)/$(sitearch)
+datadir = $(DESTDIR)/usr/share
+localstatedir = $(DESTDIR)/var
+sitelibdir = $(sitedir)/$(ruby_version)
+
+CC = gcc
+LIBRUBY = $(LIBRUBY_SO)
+LIBRUBY_A = lib$(RUBY_SO_NAME)-static.a
+LIBRUBYARG_SHARED = -l$(RUBY_SO_NAME)
+LIBRUBYARG_STATIC = -l$(RUBY_SO_NAME)-static
+
+RUBY_EXTCONF_H = 
+CFLAGS   =  -fPIC -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -fno-strict-aliasing  -fPIC $(cflags)-Wall -O3 -fPIC 
+INCFLAGS = -I. -I. -I/usr/lib64/ruby/1.8/x86_64-linux -I.
+DEFS     = 
+CPPFLAGS =    
+CXXFLAGS = $(CFLAGS) 
+ldflags  = -I LLVM-2.9 -o libLLVM-EB-2.9.so
+dldflags = 
+archflag = 
+DLDFLAGS = $(ldflags) $(dldflags) $(archflag)
+LDSHARED = $(CC) -shared
+AR = ar
+EXEEXT = 
+
+RUBY_INSTALL_NAME = ruby
+RUBY_SO_NAME = ruby
+arch = x86_64-linux
+sitearch = x86_64-linux
+ruby_version = 1.8
+ruby = /usr/bin/ruby
+RUBY = $(ruby)
+RM = rm -f
+MAKEDIRS = mkdir -p
+INSTALL = /usr/bin/install -c
+INSTALL_PROG = $(INSTALL) -m 0755
+INSTALL_DATA = $(INSTALL) -m 644
+COPY = cp
+
+#### End of system configuration section. ####
+
+preload = 
+
+libpath = . $(libdir)
+LIBPATH =  -L. -L$(libdir)
+DEFFILE = 
+
+CLEANFILES = mkmf.log
+DISTCLEANFILES = 
+
+extout = 
+extout_prefix = 
+target_prefix = 
+LOCAL_LIBS = 
+LIBS = $(LIBRUBYARG_SHARED) -lLLVM-2.9  -lpthread -lrt -ldl -lcrypt -lm   -lc
+SRCS = support.cpp
+OBJS = support.o
+TARGET = LLVM-EB
+DLLIB = $(TARGET).so
+EXTSTATIC = 
+STATIC_LIB = 
+
+BINDIR        = $(bindir)
+RUBYCOMMONDIR = $(sitedir)$(target_prefix)
+RUBYLIBDIR    = $(sitelibdir)$(target_prefix)
+RUBYARCHDIR   = $(sitearchdir)$(target_prefix)
+
+TARGET_SO     = $(DLLIB)
+CLEANLIBS     = $(TARGET).so $(TARGET).il? $(TARGET).tds $(TARGET).map
+CLEANOBJS     = *.o *.a *.s[ol] *.pdb *.exp *.bak
+
+all:		$(DLLIB)
+static:		$(STATIC_LIB)
+
+clean:
+		@-$(RM) $(CLEANLIBS) $(CLEANOBJS) $(CLEANFILES)
+
+distclean:	clean
+		@-$(RM) Makefile $(RUBY_EXTCONF_H) conftest.* mkmf.log
+		@-$(RM) core ruby$(EXEEXT) *~ $(DISTCLEANFILES)
+
+realclean:	distclean
+install: install-so install-rb
+
+install-so: $(RUBYARCHDIR)
+install-so: $(RUBYARCHDIR)/$(DLLIB)
+$(RUBYARCHDIR)/$(DLLIB): $(DLLIB)
+	$(INSTALL_PROG) $(DLLIB) $(RUBYARCHDIR)
+install-rb: pre-install-rb install-rb-default
+install-rb-default: pre-install-rb-default
+pre-install-rb: Makefile
+pre-install-rb-default: Makefile
+$(RUBYARCHDIR):
+	$(MAKEDIRS) $@
+
+site-install: site-install-so site-install-rb
+site-install-so: install-so
+site-install-rb: install-rb
+
+.SUFFIXES: .c .m .cc .cxx .cpp .C .o
+
+.cc.o:
+	$(CXX) $(INCFLAGS) $(CPPFLAGS) $(CXXFLAGS) -c $<
+
+.cxx.o:
+	$(CXX) $(INCFLAGS) $(CPPFLAGS) $(CXXFLAGS) -c $<
+
+.cpp.o:
+	$(CXX) $(INCFLAGS) $(CPPFLAGS) $(CXXFLAGS) -c $<
+
+.C.o:
+	$(CXX) $(INCFLAGS) $(CPPFLAGS) $(CXXFLAGS) -c $<
+
+.c.o:
+	$(CC) $(INCFLAGS) $(CPPFLAGS) $(CFLAGS) -c $<
+
+$(DLLIB): $(OBJS) Makefile
+	@-$(RM) $@
+	$(LDSHARED) -o $@ $(OBJS) $(LIBPATH) $(DLDFLAGS) $(LOCAL_LIBS) $(LIBS)
+
+
+
+$(OBJS): ruby.h defines.h

ext/LLVM-EB/extconf.rb

@@ -0,0 +1,11 @@
+require 'mkmf'
+
+extname = 'LLVM-EB'
+
+have_library('LLVM-2.9')
+
+$CFLAGS << '-Wall -O3 -fPIC'
+$LDFLAGS = '-I LLVM-2.9 -o libLLVM-EB-2.9.so'
+
+dir_config(extname)
+create_makefile(extname)

ext/LLVM-EB/support.cpp

@@ -0,0 +1,11 @@
+/*
+ * Extended bindings for LLVM.
+ */
+
+#include <llvm/Support/DynamicLibrary.h>
+
+extern "C" {
+	int LLVMLoadLibraryPermanently(const char* filename) {
+		return llvm::sys::DynamicLibrary::LoadLibraryPermanently(filename);
+	}
+}

ext/Makefile

@@ -0,0 +1,20 @@
+LLVM_VERSION	= 2.9
+
+CXX		= g++
+CFLAGS	= -O3 -fPIC
+LIBFLAGS	= -shared -Wl,-soname,libLLVM-EB-$(LLVM_VERSION).so
+
+LIBS		= /usr/local/lib/libLLVMSupport.a
+
+all: libLLVM-EB.so
+
+libLLVM-EB.so: support.o
+	$(CXX) $(CFLAGS) $(LIBFLAGS) -o libLLVM-EB-$(LLVM_VERSION).so support.o $(LIBS)
+
+support.o: support.cpp
+	$(CXX) $(CFLAGS) -c $<
+
+.PHONY: clean
+clean:
+	rm -f *.o
+	rm -f *.so

ext/support.cpp

@@ -0,0 +1,11 @@
+/*
+ * Extended bindings for LLVM.
+ */
+
+#include <llvm/Support/DynamicLibrary.h>
+
+extern "C" {
+	int LLVMLoadLibraryPermanently(const char* filename) {
+		return llvm::sys::DynamicLibrary::LoadLibraryPermanently(filename);
+	}
+}

lib/llvm.rb

@@ -1,12 +1,5 @@
-require 'rubygems'
-require 'ffi'
-
 module LLVM
-  # @private
-  module C
-    extend ::FFI::Library
-
-    # load required libraries
-    ffi_lib ['LLVM-2.9', 'libLLVM-2.9']
-  end
+	autoload :Analysis,			'llvm/analysis'
+	autoload :Core,			'llvm/core'
+	autoload :ExecutionEngine,	'llvm/execution_engine'
 end

lib/llvm/analysis.rb

@@ -1,20 +1,7 @@
 require 'llvm'
 require 'llvm/core'
-require 'llvm/target'
 
 module LLVM
-  # @private
-  module C
-    enum :verifier_failure_action, [
-      :abort_process,
-      :print_message,
-      :return_status
-    ]
-
-    attach_function :LLVMVerifyModule, [:pointer, :verifier_failure_action, :pointer], :int
-    attach_function :LLVMVerifyFunction, [:pointer, :verifier_failure_action], :int
-  end
-
   class Module
     # Verify that the module is valid.
     # @return [nil, String] human-readable description of any invalid