+ /**
+ * Get the register class which shall be used to store a value of a given mode.
+ * @param self The this pointer.
+ * @param mode The mode in question.
+ * @return A register class which can hold values of the given mode.
+ */
+ const arch_register_class_t *(*get_reg_class_for_mode)(const void *self, const ir_mode *mode);
+
+ /**
+ * Get the ABI restrictions for procedure calls.
+ * @param self The this pointer.
+ * @param method_type The type of the method (procedure) in question.
+ * @param p The array of parameter locations to be filled.
+ */
+ void (*get_call_abi)(const void *self, ir_type *method_type, be_abi_call_t *abi);
+