On Wed, Jul 01, 2020 at 01:36:22PM -0700, Andy Lutomirski wrote: > If we do this extable change, we end up with a different mess: some > exception handlers will clear AC and some won’t. I’m sure objtool can > deal with this with some effort, but I’m not convinced it’s worth it.
Yeah. Peter's more of the expert here, but I think we'd at least need to annotate the code which expects an implicit CLAC so objtool knows what to expect. It's not trivial, but it might be doable. -- Josh