1#source: empty2.s 2#ld: 3#readelf: -s 4 5#... 6[ ]+[0-9]+:[ ]+0+[ ]+0[ ]+FILE[ ]+LOCAL[ ]+DEFAULT[ ]+ABS empty2.s 7#... 8[ ]+[0-9]+:[ ]+0*12345678[ ]+0[ ]+NOTYPE[ ]+LOCAL[ ]+DEFAULT[ ]+ABS constant 9#... 10[ ]+[0-9]+:[ ]+[0-9a-f]+[ ]+[0-9]+[ ]+FUNC[ ]+GLOBAL[ ]+DEFAULT[ ]+[1-9] _start 11#pass 12