Note on nomenclature

KEY GLA refers to the specific area in an object file called the General Linkage Area, whereas gla can mean either the unshareable object file areas PLT,GLA,UST and INITCMN in total, or the file created to hold these areas e.g. user gla, base gla. In context it should be clear which usage of gla is current. LOADLEVEL is the global integer in the loader; loadlevel refers to the general concept. CODE means the specific area of an object file which contains executable code.