On the iPhone, when you get crash logs, XCode is supposed to automatically look up symbols for you. Sometimes, it doesn't. Just had a crash report from the app store. Loaded it up in the XCode organizer, and... nothing. Zilch. A lot of posts on the internet talked about "atos" but I just kept on getting the error:
atos cannot load symbols for the file
So, thankfully, I found this page on manually symbolicating your file. Yay!
Basically, you can just run gdb on your archived package, set some configs, and then do p/a on the addresses and it will give you the proper symbols, files, and line numbers. Magic!
set print asm-demangle on
set print symbol-filename on
Thanks so much to PiC Software for pointing this out. And, of course, yay to the gcc and gdb developers who never get the credit that they should.