From: Jon Medhurst <tixy@yxit.co.uk>
Date: Thu, 9 Jun 2011 13:05:51 +0000 (+0100)
Subject: ARM: kprobes: Extend arch_specific_insn to add pointer to emulated instruction
X-Git-Tag: v3.1-rc1~258^2^2~2^2~57
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e2960317d4581689bf80dbad4d75e7a59f11a3f7;p=pandora-kernel.git

ARM: kprobes: Extend arch_specific_insn to add pointer to emulated instruction

When we come to emulating Thumb instructions then, to interwork
correctly, the code on in the instruction slot must be invoked with a
function pointer which has the least significant bit set. Rather that
set this by hand in every Thumb emulation function we will add a new
field for this purpose to arch_specific_insn, called insn_fn.

This also enables us to seamlessly share emulation functions between ARM
and Thumb code.

Signed-off-by: Jon Medhurst <tixy@yxit.co.uk>
Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org>
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