From: Jon Medhurst <tixy@yxit.co.uk>
Date: Sat, 2 Jul 2011 15:13:29 +0000 (+0100)
Subject: ARM: kprobes: Decode 16-bit Thumb PUSH and POP instructions
X-Git-Tag: v3.1-rc1~258^2^2~2^2~46
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fd0c8d8a48c57cb8a3f1fbbe46a2b208b57ff477;p=pandora-kernel.git

ARM: kprobes: Decode 16-bit Thumb PUSH and POP instructions

These instructions are equivalent to

	stmdb sp!,{r0-r7,lr}
	ldmdb sp!,{r0-r7,pc}

and we emulate them by transforming them into the 32-bit Thumb
instructions

	stmdb r9!,{r0-r7,r8}
	ldmdb r9!,{r0-r7,r8}

This is simpler, and almost certainly executes faster, than writing
simulation functions.

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