diff --git a/Gemfile.lock b/Gemfile.lock
index f259c29f..b53dcbb1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,6 +1,6 @@
 GIT
   remote: https://github.com/salama/salama-object-file.git
-  revision: b00f49ade6338da0f6766211a749d2000d36899b
+  revision: 9adf0b7e002ebef464abc1a3aa44c50c711e8a88
   specs:
     salama-object-file (0.1)
 
diff --git a/lib/parfait/class.rb b/lib/parfait/class.rb
index d66922be..78906636 100644
--- a/lib/parfait/class.rb
+++ b/lib/parfait/class.rb
@@ -34,6 +34,9 @@ module Parfait
       @object_layout.push name
     end
 
+    def sof_reference_name
+      name
+    end
     # ruby 2.1 list (just for reference, keep at bottom)
     #:allocate, :new, :superclass
   end
diff --git a/lib/parfait/layout.rb b/lib/parfait/layout.rb
index 65909983..63081bb0 100644
--- a/lib/parfait/layout.rb
+++ b/lib/parfait/layout.rb
@@ -47,5 +47,10 @@ module Parfait
     def get_object_class()
       return @object_class
     end
+
+    def sof_reference_name
+      "#{@object_class.name}_Layout"
+    end
+
   end
 end
diff --git a/lib/parfait/method.rb b/lib/parfait/method.rb
index fe67e4e0..e45a8d54 100644
--- a/lib/parfait/method.rb
+++ b/lib/parfait/method.rb
@@ -70,5 +70,9 @@ module Parfait
       var
     end
 
+    def sof_reference_name
+      @name
+    end
+
   end
 end
diff --git a/lib/parfait/space.rb b/lib/parfait/space.rb
index 70a2ab62..9ef1017d 100644
--- a/lib/parfait/space.rb
+++ b/lib/parfait/space.rb
@@ -74,6 +74,11 @@ module Parfait
       c = Class.new_object(name , superclass)
       @classes[name] = c
     end
+
+    def sof_reference_name
+      "space"
+    end
+
   end
   # ObjectSpace
   # :each_object, :garbage_collect, :define_finalizer, :undefine_finalizer, :_id2ref, :count_objects
diff --git a/lib/register/register_reference.rb b/lib/register/register_reference.rb
index 977557b0..39975818 100644
--- a/lib/register/register_reference.rb
+++ b/lib/register/register_reference.rb
@@ -69,6 +69,9 @@ module Register
       new TMP_REG
     end
 
+    def sof_reference_name
+      @symbol
+    end
 
   end