On Tue, Jan 10, 2017 at 09:59:23AM +0100, Peter Zijlstra wrote: > On Mon, Jan 09, 2017 at 11:36:48AM -0600, Josh Poimboeuf wrote: > > BTW, I think we'll have more problems with generated code if/when we > > move to an x86 DWARF unwinder, because it won't have any idea how to > > unwind past generated code. Long term I wonder if it would make sense > > to create some kind of framework for creating or registering generated > > code, so we can solve these types of problems in a single place. > > Yes, this seems like a good idea. Maybe we could pull the rbtree thing > from modules and make that a more generic interface for code > registration.
Yeah, a generic fast lookup for module+generated code could be useful. It would also be nice to associate names with generated functions and integrate that with kallsyms. For DWARF we would also need a way to associate CFI metadata with address ranges. -- Josh
