[RFC/RFT] CFI: Add support for gcc CFI in aarch64

[Dan Li]

On 02/08, Kees Cook wrote:
> On Sat, Jan 07, 2023 at 07:42:13AM -0800, Dan Li wrote:
> > Hi Kees,
> > 
> > In the next version I'll make the gcc implementation consistent with clang.
> 
> Hi!
> 
> Just checking in on this, since there are a lot of interested folks. :)
> What's the status on the next version (and has anyone been found to
> tackle the x86 backend part)? Is there anything we can help with?
> 

Hi Kees,

Sorry for the long delay. It's been hard for me to find time to finish this
until the end of February due to job changes (even weekends are busy :( ).

As much as I'd love to get it done as soon as possible, I'm sorry I probably
won't be able to submit the next version until March (maybe mid).

If anyone could help improve this, I'd be very grateful, otherwise I'll have
the next version done by the end of March (as a promise), and also try it in
x86 platform.

Sincerely apologize!

Dan.

> Thanks!
> 
> -Kees
> 
> -- 
> Kees Cook