- prev->pc = SAVED_PC_AFTER_CALL (prev->next);
- else if (prev->next != NULL)
- prev->pc = FRAME_SAVED_PC (prev->next);
+ return SAVED_PC_AFTER_CALL (get_next_frame (prev));
+ else if (get_next_frame (prev) != NULL)
+ return FRAME_SAVED_PC (get_next_frame (prev));