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

From: Jeremy Fitzhardinge <[email-masked]>
Date: Sun, 18 Mar 2007 10:29:10 -0700

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