LXR linux/arch/arm/probes/kprobes/checkers.h

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * arch/arm/probes/kprobes/checkers.h
   4 *
   5 * Copyright (C) 2014 Huawei Inc.
   6 */
   7#ifndef _ARM_KERNEL_PROBES_CHECKERS_H
   8#define _ARM_KERNEL_PROBES_CHECKERS_H
   9
  10#include <linux/kernel.h>
  11#include <linux/types.h>
  12#include "../decode.h"
  13
  14extern probes_check_t checker_stack_use_none;
  15extern probes_check_t checker_stack_use_unknown;
  16#ifdef CONFIG_THUMB2_KERNEL
  17extern probes_check_t checker_stack_use_imm_0xx;
  18#else
  19extern probes_check_t checker_stack_use_imm_x0x;
  20#endif
  21extern probes_check_t checker_stack_use_imm_xxx;
  22extern probes_check_t checker_stack_use_stmdx;
  23
  24enum {
  25        STACK_USE_NONE,
  26        STACK_USE_UNKNOWN,
  27#ifdef CONFIG_THUMB2_KERNEL
  28        STACK_USE_FIXED_0XX,
  29        STACK_USE_T32STRD,
  30#else
  31        STACK_USE_FIXED_X0X,
  32#endif
  33        STACK_USE_FIXED_XXX,
  34        STACK_USE_STMDX,
  35        NUM_STACK_USE_TYPES
  36};
  37
  38extern const union decode_action stack_check_actions[];
  39
  40#ifndef CONFIG_THUMB2_KERNEL
  41extern const struct decode_checker arm_stack_checker[];
  42extern const struct decode_checker arm_regs_checker[];
  43#else
  44#endif
  45extern const struct decode_checker t32_stack_checker[];
  46extern const struct decode_checker t16_stack_checker[];
  47#endif
  48