Messages in this thread | | | Date | Wed, 27 Jan 2010 16:50:55 +0530 | From | Ananth N Mavinakayanahalli <> | Subject | Re: linux-next: add utrace tree |
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On Wed, Jan 27, 2010 at 12:08:31PM +0100, Peter Zijlstra wrote: > On Wed, 2010-01-27 at 16:35 +0530, Ananth N Mavinakayanahalli wrote: > > Probing RIP-relative instructions work just fine; there are fixups that > > take care of it. > > Ah my bad then, it was my understanding you simply bailed on those. > > Just for my information, how large are the replacement sequences?
The RIP relative instruction is transformed into indirect addressing mode using a scratch register.
For details http://marc.info/?l=linux-kernel&m=126401936114639&w=2.
Ananth
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