Re: [RFC PATCH v1 0/9] arm64: livepatch: Use DWARF Call Frame Information for frame pointer validation

From: Josh Poimboeuf
Date: Fri Apr 15 2022 - 22:20:42 EST


On Mon, Apr 11, 2022 at 12:18:13PM -0500, Madhavan T. Venkataraman wrote:
> > There are actually several similarities between your new format and ORC,
> > which is also an objtool-created DWARF alternative. It would be
> > interesting to see if they could be combined somehow.
> >
>
> I will certainly look into it. So, if I decide to merge the two, I might want
> to make a minor change to the ORC structure. Would that be OK with you?

Yes, in fact I would expect it, since ORC is quite x86-specific at the
moment. So it would need some abstractions to make it more multi-arch
friendly.

--
Josh