The invention provides a method and apparatus for switching between execution of a plurality of object code types having different conventions for invoking program procedures and performing stack manipulations. The invention may also be used to switch between different calling conventions within a single...http://www.google.de/patents/US6256658?utm_source=gb-gplus-sharePatent US6256658 - Apparatus for executing a plurality of program segments having different object code types in a single program or processor environment
