I'm working on a very tiny little source lib intended to make debugging C using instrumentation a bit easier. It's just a wrapper around dladdr(), backtrace(), nm, and addr2line that tries to make it easy to see the backtrace or what a function pointer actually points to. It mostly works great, but I'd like to be able to characterize as precisely as possible the compilation options that are needed or allowed for it to work correctly. I believe I've got it mostly sorted out for pointer lookups (dladdr() + nm) but backtrace (backtrace() + addr2line) not so much. I get some inconsistent line number behavior (other email). I wonder how effective addr2line --inlines option is at figuring things out is the presence of inlining. Is there any good source on this anywhere, beyond what's in the backtrace() and addr2line man pages? Thanks, Britton
