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authorJon Medhurst <tixy@yxit.co.uk>2011-03-26 19:19:07 +0000
committerTixy <tixy@medhuaa1.miniserver.com>2011-07-13 17:32:40 +0000
commit592201a9f154cdd5db59304d1369e94d8b551803 (patch)
treee177ebb35bab0d1bfa2608335b4cd6d51bc3ecfb /drivers/pcmcia/omap_cf.c
parent594810621d9605dd40b6ce42e2e188a7dd6ba27c (diff)
ARM: Thumb-2: Support Thumb-2 in undefined instruction handler
This patch allows undef_hook's to be specified for 32-bit Thumb instructions and also to be used for thumb kernel-side code. 32-bit Thumb instructions are specified in the form: ((first_half << 16 ) | second_half) which matches the layout used by the ARM ARM. ptrace was handling 32-bit Thumb instructions by hooking the first halfword and manually checking the second half. This method would be broken by this patch so it is migrated to make use of the new Thumb-2 support. Signed-off-by: Jon Medhurst <tixy@yxit.co.uk> Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Diffstat (limited to 'drivers/pcmcia/omap_cf.c')
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