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Because the common underlying code for ARM kprobes and uprobes needs to share a common architecrure-specific context structure, and because the generic kprobes include file insists on defining this to a dummy structure when kprobes is not configured, a new common structure is required which can exist when uprobes is configured without kprobes. In this case kprobes will define a dummy structure, but without the define aliasing the two structure tags it will not affect uprobes and the shared probes code. Signed-off-by: David A. Long <dave.long@linaro.org> Acked-by: Jon Medhurst <tixy@linaro.org>
53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
/*
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* arch/arm/kernel/kprobes.h
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*
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* Copyright (C) 2011 Jon Medhurst <tixy@yxit.co.uk>.
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*
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* Some contents moved here from arch/arm/include/asm/kprobes.h which is
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* Copyright (C) 2006, 2007 Motorola Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*/
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#ifndef _ARM_KERNEL_KPROBES_H
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#define _ARM_KERNEL_KPROBES_H
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#include "probes.h"
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/*
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* These undefined instructions must be unique and
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* reserved solely for kprobes' use.
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*/
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#define KPROBE_ARM_BREAKPOINT_INSTRUCTION 0x07f001f8
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#define KPROBE_THUMB16_BREAKPOINT_INSTRUCTION 0xde18
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#define KPROBE_THUMB32_BREAKPOINT_INSTRUCTION 0xf7f0a018
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enum probes_insn __kprobes
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kprobe_decode_ldmstm(kprobe_opcode_t insn, struct arch_probes_insn *asi,
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const struct decode_header *h);
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typedef enum probes_insn (kprobe_decode_insn_t)(probes_opcode_t,
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struct arch_probes_insn *,
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bool,
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const union decode_action *);
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#ifdef CONFIG_THUMB2_KERNEL
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extern const union decode_action kprobes_t32_actions[];
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extern const union decode_action kprobes_t16_actions[];
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#else /* !CONFIG_THUMB2_KERNEL */
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extern const union decode_action kprobes_arm_actions[];
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#endif
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#endif /* _ARM_KERNEL_KPROBES_H */
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