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/*
* arch/arm/probes/kprobes/checkers.h
*
* Copyright (C) 2014 Huawei Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#ifndef _ARM_KERNEL_PROBES_CHECKERS_H
#define _ARM_KERNEL_PROBES_CHECKERS_H
#include <linux/kernel.h>
#include <linux/types.h>
#include "../decode.h"
extern probes_check_t checker_stack_use_none;
extern probes_check_t checker_stack_use_unknown;
#ifdef CONFIG_THUMB2_KERNEL
extern probes_check_t checker_stack_use_imm_0xx;
#else
extern probes_check_t checker_stack_use_imm_x0x;
#endif
extern probes_check_t checker_stack_use_imm_xxx;
extern probes_check_t checker_stack_use_stmdx;
enum {
STACK_USE_NONE,
STACK_USE_UNKNOWN,
#ifdef CONFIG_THUMB2_KERNEL
STACK_USE_FIXED_0XX,
STACK_USE_T32STRD,
#else
STACK_USE_FIXED_X0X,
#endif
STACK_USE_FIXED_XXX,
STACK_USE_STMDX,
NUM_STACK_USE_TYPES
};
extern const union decode_action stack_check_actions[];
#ifndef CONFIG_THUMB2_KERNEL
extern const struct decode_checker arm_stack_checker[];
extern const struct decode_checker arm_regs_checker[];
#else
#endif
extern const struct decode_checker t32_stack_checker[];
extern const struct decode_checker t16_stack_checker[];
#endif
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