1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * arch/arm/probes/kprobes/checkers.h 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright (C) 2014 Huawei Inc. 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun #ifndef _ARM_KERNEL_PROBES_CHECKERS_H 8*4882a593Smuzhiyun #define _ARM_KERNEL_PROBES_CHECKERS_H 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun #include <linux/kernel.h> 11*4882a593Smuzhiyun #include <linux/types.h> 12*4882a593Smuzhiyun #include "../decode.h" 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun extern probes_check_t checker_stack_use_none; 15*4882a593Smuzhiyun extern probes_check_t checker_stack_use_unknown; 16*4882a593Smuzhiyun #ifdef CONFIG_THUMB2_KERNEL 17*4882a593Smuzhiyun extern probes_check_t checker_stack_use_imm_0xx; 18*4882a593Smuzhiyun #else 19*4882a593Smuzhiyun extern probes_check_t checker_stack_use_imm_x0x; 20*4882a593Smuzhiyun #endif 21*4882a593Smuzhiyun extern probes_check_t checker_stack_use_imm_xxx; 22*4882a593Smuzhiyun extern probes_check_t checker_stack_use_stmdx; 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun enum { 25*4882a593Smuzhiyun STACK_USE_NONE, 26*4882a593Smuzhiyun STACK_USE_UNKNOWN, 27*4882a593Smuzhiyun #ifdef CONFIG_THUMB2_KERNEL 28*4882a593Smuzhiyun STACK_USE_FIXED_0XX, 29*4882a593Smuzhiyun STACK_USE_T32STRD, 30*4882a593Smuzhiyun #else 31*4882a593Smuzhiyun STACK_USE_FIXED_X0X, 32*4882a593Smuzhiyun #endif 33*4882a593Smuzhiyun STACK_USE_FIXED_XXX, 34*4882a593Smuzhiyun STACK_USE_STMDX, 35*4882a593Smuzhiyun NUM_STACK_USE_TYPES 36*4882a593Smuzhiyun }; 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun extern const union decode_action stack_check_actions[]; 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun #ifndef CONFIG_THUMB2_KERNEL 41*4882a593Smuzhiyun extern const struct decode_checker arm_stack_checker[]; 42*4882a593Smuzhiyun extern const struct decode_checker arm_regs_checker[]; 43*4882a593Smuzhiyun #else 44*4882a593Smuzhiyun #endif 45*4882a593Smuzhiyun extern const struct decode_checker t32_stack_checker[]; 46*4882a593Smuzhiyun extern const struct decode_checker t16_stack_checker[]; 47*4882a593Smuzhiyun #endif 48