-void be_abi_call_param_stack(be_abi_call_t *call, int pos, unsigned alignment, unsigned space_before, unsigned space_after);
+/**
+ * Describe the stack layout for a call parameter. Modifies the abi object.
+ *
+ * @param call the abi call object
+ * @param pos the parameter position
+ * @param load_mode load the parameter with this mode (if the parameter mode is different from this mode a Conv is inserted)
+ * @param alignment stack alignment for the parameter on the current architecture
+ * @param space_before size of allocated additional space before the parameter
+ * @param space_after size of allocated additional space after the parameter
+ */
+void be_abi_call_param_stack(be_abi_call_t *call, int pos, ir_mode *load_mode, unsigned alignment, unsigned space_before, unsigned space_after);