Messages in this thread | | | Date | Wed, 1 Jul 2020 15:51:08 -0500 | From | Josh Poimboeuf <> | Subject | Re: objtool clac/stac handling change.. |
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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
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