check

lib/arm/arm_machine.rb

@@ -9,5 +9,12 @@ module Arm
     def function_call call_value
       "call"
     end
+
+    def main_entry
+      e = Vm::Block.new("main_entry")
+    end
+    def main_exit
+      e = Vm::Block.new("main_exit")
+    end
   end
 end