Messages in this thread | | | Date | Thu, 01 Mar 2007 16:58:56 -0800 | From | Jeremy Fitzhardinge <> | Subject | Re: [patch 12/26] Xen-paravirt_ops: Fix patch site clobbers to include return register |
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Zachary Amsden wrote: >> >> Things like what? Do you mean the %[foo] asm parameter syntax? I think >> those versions are no longer supported - Arjan posted a patch a few days >> ago to convert a pile of asms to this form. Or do you mean something >> else? >> > > I meant having an output in the clobber list,
There's no output in the clobber list, just "memory" and "cc". The paravirt_clobber() is the stuff which gets put in the .parainstructions section which tells the patcher what registers are expected to be modified at that callsite (including both temp and output registers).
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