(REGISTER_BYTES_OK): Remove. (REGISTER_BYTES): Remove. (STORE_STRUCT_RETURN): Remove. (DEPRECATED_EXTRACT_RETURN_VALUE): Remove. (STORE_RETURN_VALUE): Remove. (DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS): Remove. (FRAME_CHAIN): Remove. (FRAMELESS_FUNCTION_INVOCATION): Remove. (FRAME_SAVED_PC): Remove. * m68k-tdep.c (m68k_register_bytes_ok):Add. (m68k_store_struct_return): Add. (m68k_deprecated_extract_return_value): Add. (m68k_deprecated_extract_struct_value_address): Add. (m68k_store_return_value): Add. (m68k_frame_chain): Add. (m68k_frameless_function_invocation): Add. (m68k_frame_saved_pc): Add. (m68k_gdbarch_init): added set_gdbarch calls for new functions and deleted macros.