* Josh Poimboeuf <[email protected]> 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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