# ld: -T overlay.t -u __load_start_text1 -u __load_start_text2 -u __load_stop_text1 -u __load_stop_text2 #readelf: -s #... [ ]+[0-9]+:[ ]+0*4000[ ]+0[ ]+NOTYPE[ ]+GLOBAL[ ]+DEFAULT[ ]+ABS __load_start_text1 #... [ ]+[0-9]+:[ ]+0*4010[ ]+0[ ]+NOTYPE[ ]+GLOBAL[ ]+DEFAULT[ ]+ABS __load_start_text2 #... [ ]+[0-9]+:[ ]+0*4030[ ]+0[ ]+NOTYPE[ ]+GLOBAL[ ]+DEFAULT[ ]+ABS __load_stop_text2 #... [ ]+[0-9]+:[ ]+0*4010[ ]+0[ ]+NOTYPE[ ]+GLOBAL[ ]+DEFAULT[ ]+ABS __load_stop_text1 #pass