readelf ELF parsing in lisp, based on Practical Common Lisp’s chapter 24 and 25. References https://gigamonkeys.com/book/ https://gigamonkeys.com/book/practical-parsing-binary-files https://gigamonkeys.com/book/practical-an-id3-parser https://www.sco.com/developers/gabi/2000-07-17/contents.html https://en.wikipedia.org/wiki/Executable_and_Linkable_Format