private Address getGlobalAddress(Address addr) {
		if (addr instanceof OldGenericNamespaceAddress) {
			return ((OldGenericNamespaceAddress) addr).getGlobalAddress();
		}
		return addr;
	}
Returns all registers located at the specified address

@param addr register address
@return array of registers found (may be empty)
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/lang/RegisterManager.java