From 2437170710c4a3dee137a65623960aa7ac82a32e Mon Sep 17 00:00:00 2001 From: Jon Medhurst Date: Tue, 19 Apr 2011 17:56:58 +0100 Subject: ARM: kprobes: Add Thumb instruction decoding stubs Extend arch_prepare_kprobe to support probing of Thumb code. For the actual decoding of Thumb instructions, stub functions are added which currently just reject the probe. Signed-off-by: Jon Medhurst Acked-by: Nicolas Pitre --- arch/arm/kernel/kprobes.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'arch/arm/kernel/kprobes.h') diff --git a/arch/arm/kernel/kprobes.h b/arch/arm/kernel/kprobes.h index 406bb2da7fea..86abfabe83f2 100644 --- a/arch/arm/kernel/kprobes.h +++ b/arch/arm/kernel/kprobes.h @@ -29,8 +29,21 @@ enum kprobe_insn { INSN_GOOD_NO_SLOT }; +typedef enum kprobe_insn (kprobe_decode_insn_t)(kprobe_opcode_t, + struct arch_specific_insn *); + +#ifdef CONFIG_THUMB2_KERNEL + +enum kprobe_insn thumb16_kprobe_decode_insn(kprobe_opcode_t, + struct arch_specific_insn *); +enum kprobe_insn thumb32_kprobe_decode_insn(kprobe_opcode_t, + struct arch_specific_insn *); + +#else /* !CONFIG_THUMB2_KERNEL */ + enum kprobe_insn arm_kprobe_decode_insn(kprobe_opcode_t, struct arch_specific_insn *); +#endif void __init arm_kprobe_decode_init(void); -- cgit v1.2.3