work on ObjectWriter

Back to the root! but lots of adjusting
ObjectWriter takes machine, machine has space
Virtual constants become Parfait::Objects etc

test/test_runner.rb

@@ -35,6 +35,7 @@ class TestRunner < MiniTest::Test
       end
     end
 
+    #object writer takes machine
     writer = Elf::ObjectWriter.new(program , Elf::Constants::TARGET_ARM)
 
     writer.save(file.gsub(".rb" , ".o"))
@@ -42,4 +43,4 @@ class TestRunner < MiniTest::Test
 #    puts program.to_yaml
   end
 
-end
+end