Re: devel/objfw: add BTCFI landing pads for amd64 and arm64

Jonathan Schleifer <js@nil.im> wrote:

> Fixed upstream:
> https://objfw.nil.im/info/262baf76e7e66bc4
> https://objfw.nil.im/info/d73a388ecaf73b2a
>
> New release:
> https://objfw.nil.im/downloads/objfw-1.0.10.tar.gz
> https://objfw.nil.im/downloads/objfw-1.0.10.tar.gz.sig
>
> Am 24.02.24 um 22:17 schrieb Mark Kettenis:
>
> > Ah, right. What happens in that case is that the branch will use
> > register X16 or X17 and those are special in the sense that both "bti
> > c" and "bti j" landing pads are ok.
>
> Ah. Is that OpenBSD specific or on every OS? I used "bti jc" upstream
> now to be on the safe side. I think security-wise it shouldn't make
> much of a difference since it's still before the function prologue?

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