From 8dd7cfbed83c74b1fb991fae264944e041e22e62 Mon Sep 17 00:00:00 2001
From: Jon Medhurst <tixy@yxit.co.uk>
Date: Tue, 12 Apr 2011 07:45:24 +0100
Subject: [PATCH] ARM: kprobes: Fix emulation of SXTB16, SXTB, SXTH, UXTB16,
 UXTB and UXTH instructions

These sign extension instructions are encoded as extend-and-add
instructions where the register to add is specified as r15. The decoding
routines weren't checking for this and were using the incorrect
emulation code, giving incorrect results.

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