[Xen-devel] Re: [patch 13/26] Xen-paravirt_ops: Consistently wrap paravirt ops callsites to make them patchable

[Jeremy Fitzhardinge <jeremy@xxxxxxxx>]

Andi Kleen wrote:
> You could use the dwarf2 unwind tables. They have exact information
> what register has what. But it would likely get complicated.

Yes.  And would they be accurate for hand-written asm, which is where we
have this problem?

    J

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