Re: [RFC/RFT,V2] CFI: Add support for gcc CFI in aarch64

Dan Li
2023-04-05T11:48:58Z

On 03/27, Peter Zijlstra wrote:
> On Sat, Mar 25, 2023 at 01:54:16AM -0700, Dan Li wrote:
>
> > In the compiler part[4], most of the content is the same as Sami's
> > implementation[3], except for some minor differences, mainly including:
> >
> > 1. The function typeid is calculated differently and it is difficult
> > to be consistent.
>
> This means there is an effective ABI break between the compilers, which
> is sad :-( Is there really nothing to be done about this?

Hi Peter,

I'm not so sure right now. According to Sami's tip, I need to learn more about
related patches. I'll make it ABI compatible in the next version if possible :)

Thanks,
Dan