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ARM: kprobes: Decode 16-bit Thumb PUSH and POP instructions
authorJon Medhurst <tixy@yxit.co.uk>
Sat, 2 Jul 2011 15:13:29 +0000 (16:13 +0100)
committerTixy <tixy@medhuaa1.miniserver.com>
Wed, 13 Jul 2011 17:32:44 +0000 (17:32 +0000)
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>

No differences found
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