* Josh Poimboeuf <jpoim...@redhat.com> wrote:

> > I imagine that an automatic CFI annotation adder would walk through 
> > functions 
> > one instruction at a time and keep track of the frame state. If so, then it 
> > could verify that common jump targets had identical state and continue 
> > walking 
> > through them and annotating.  I think this would get this case right, and 
> > it 
> > might be necessary anyway to handle jumps within functions.
> 
> This would definitely add complexity to both asmvalidate and the CFI 
> generator.  
> In fact it sounds like it would push the CFI generator out of its current awk 
> script territory and more into complex C code territory.

I'd count that as a plus: awk isn't a common skillset while C is, and properly 
written it doesn't have to be _that_ complex.

Thanks,

        Ingo
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