#source: empty2.s#ld:#readelf: -s#...[ ]+[0-9]+:[ ]+0+[ ]+0[ ]+FILE[ ]+LOCAL[ ]+DEFAULT[ ]+ABS empty2.s#...[ ]+[0-9]+:[ ]+0*12345678[ ]+0[ ]+NOTYPE[ ]+LOCAL[ ]+DEFAULT[ ]+ABS constant#...[ ]+[0-9]+:[ ]+[0-9a-f]+[ ]+[0-9]+[ ]+FUNC[ ]+GLOBAL[ ]+DEFAULT[ ]+[1-9] _start#pass