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author | Jon Medhurst <tixy@yxit.co.uk> | 2011-04-19 16:56:58 (GMT) |
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committer | Tixy <tixy@medhuaa1.miniserver.com> | 2011-07-13 17:32:41 (GMT) |
commit | 2437170710c4a3dee137a65623960aa7ac82a32e (patch) | |
tree | c886353a398a3e60c148bfd3e3eb7c3a42486d88 /arch/arm/kernel/kprobes.h | |
parent | de41984003ed2315dbb7d58168cc3e72e15b075c (diff) | |
download | linux-2437170710c4a3dee137a65623960aa7ac82a32e.tar.xz |
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 <tixy@yxit.co.uk>
Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Diffstat (limited to 'arch/arm/kernel/kprobes.h')
-rw-r--r-- | arch/arm/kernel/kprobes.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/kernel/kprobes.h b/arch/arm/kernel/kprobes.h index 406bb2d..86abfab 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); |