(def!constant read-only-space-start #x01000000)
(def!constant read-only-space-end #x05000000)
-(def!constant binding-stack-start #x05000000)
-(def!constant binding-stack-end #x05800000)
-
-(def!constant control-stack-start #x05800000)
-(def!constant control-stack-end #x06000000)
-
(def!constant static-space-start #x06000000)
(def!constant static-space-end #x08000000)