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

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treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 655 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070034.575739538@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-26 23:55:21 -07:00
/* SPDX-License-Identifier: GPL-2.0-only */
ARM: kprobes: collects stack consumption for store instructions This patch uses the previously introduced checker functionality on store instructions to record their stack consumption information to arch_probes_insn. Signed-off-by: Wang Nan <wangnan0@huawei.com> Reviewed-by: Jon Medhurst <tixy@linaro.org> Signed-off-by: Jon Medhurst <tixy@linaro.org>
2015-01-05 04:29:21 -07:00
/*
* arch/arm/probes/kprobes/checkers.h
*
* Copyright (C) 2014 Huawei Inc.
*/
#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[];
ARM: kprobes: check register usage for probed instruction. This patch utilizes the previously introduced checker to check register usage for probed ARM instruction and saves it in a mask. A further patch will use such information to avoid simulation or emulation. Signed-off-by: Wang Nan <wangnan0@huawei.com> Reviewed-by: Jon Medhurst <tixy@linaro.org> Signed-off-by: Jon Medhurst <tixy@linaro.org>
2015-01-05 04:29:44 -07:00
extern const struct decode_checker arm_regs_checker[];
ARM: kprobes: collects stack consumption for store instructions This patch uses the previously introduced checker functionality on store instructions to record their stack consumption information to arch_probes_insn. Signed-off-by: Wang Nan <wangnan0@huawei.com> Reviewed-by: Jon Medhurst <tixy@linaro.org> Signed-off-by: Jon Medhurst <tixy@linaro.org>
2015-01-05 04:29:21 -07:00
#else
#endif
extern const struct decode_checker t32_stack_checker[];
extern const struct decode_checker t16_stack_checker[];
#endif
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