diff --git a/ext/v8/rr.h b/ext/v8/rr.h
new file mode 100644
index 0000000..0c45769
--- /dev/null
+++ b/ext/v8/rr.h
@@ -0,0 +1,11 @@
+#ifndef _THE_RUBY_RACER_
+#define _THE_RUBY_RACER_ 
+
+#include <ruby.h>
+
+#define RR_DEFINE_METHOD(klass, name, impl, argc) rb_define_method(klass, name, (VALUE(*)(...))impl, argc)
+#define RR_DEFINE_SINGLETON_METHOD(object, name, impl, argc) rb_define_singleton_method(object, name, (VALUE(*)(...))impl, argc)
+
+#define RR_NATIVE_CLASS(name) rb_define_class_under(rb_eval_string("V8::C"), name, rb_cObject)
+
+#endif
\ No newline at end of file