mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-16 08:44:21 +08:00
83803d97da
This patch introdces 'checker' to decoding phase, and calls checkers when instruction decoding. This allows further decoding for specific instructions. This patch introduces a stub call of checkers in kprobe arch_prepare_kprobe() as an example and for further expansion. Signed-off-by: Wang Nan <wangnan0@huawei.com> Reviewed-by: Jon Medhurst <tixy@linaro.org> Reviewed-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Signed-off-by: Jon Medhurst <tixy@linaro.org>
75 lines
1.9 KiB
C
75 lines
1.9 KiB
C
/*
|
|
* arch/arm/probes/decode-arm.h
|
|
*
|
|
* Copyright 2013 Linaro Ltd.
|
|
* Written by: David A. Long
|
|
*
|
|
* The code contained herein is licensed under the GNU General Public
|
|
* License. You may obtain a copy of the GNU General Public License
|
|
* Version 2 or later at the following locations:
|
|
*
|
|
* http://www.opensource.org/licenses/gpl-license.html
|
|
* http://www.gnu.org/copyleft/gpl.html
|
|
*/
|
|
|
|
#ifndef _ARM_KERNEL_PROBES_ARM_H
|
|
#define _ARM_KERNEL_PROBES_ARM_H
|
|
|
|
#include "decode.h"
|
|
|
|
enum probes_arm_action {
|
|
PROBES_PRELOAD_IMM,
|
|
PROBES_PRELOAD_REG,
|
|
PROBES_BRANCH_IMM,
|
|
PROBES_BRANCH_REG,
|
|
PROBES_MRS,
|
|
PROBES_CLZ,
|
|
PROBES_SATURATING_ARITHMETIC,
|
|
PROBES_MUL1,
|
|
PROBES_MUL2,
|
|
PROBES_SWP,
|
|
PROBES_LDRSTRD,
|
|
PROBES_LOAD,
|
|
PROBES_STORE,
|
|
PROBES_LOAD_EXTRA,
|
|
PROBES_STORE_EXTRA,
|
|
PROBES_MOV_IP_SP,
|
|
PROBES_DATA_PROCESSING_REG,
|
|
PROBES_DATA_PROCESSING_IMM,
|
|
PROBES_MOV_HALFWORD,
|
|
PROBES_SEV,
|
|
PROBES_WFE,
|
|
PROBES_SATURATE,
|
|
PROBES_REV,
|
|
PROBES_MMI,
|
|
PROBES_PACK,
|
|
PROBES_EXTEND,
|
|
PROBES_EXTEND_ADD,
|
|
PROBES_MUL_ADD_LONG,
|
|
PROBES_MUL_ADD,
|
|
PROBES_BITFIELD,
|
|
PROBES_BRANCH,
|
|
PROBES_LDMSTM,
|
|
NUM_PROBES_ARM_ACTIONS
|
|
};
|
|
|
|
void __kprobes simulate_bbl(probes_opcode_t opcode,
|
|
struct arch_probes_insn *asi, struct pt_regs *regs);
|
|
void __kprobes simulate_blx1(probes_opcode_t opcode,
|
|
struct arch_probes_insn *asi, struct pt_regs *regs);
|
|
void __kprobes simulate_blx2bx(probes_opcode_t opcode,
|
|
struct arch_probes_insn *asi, struct pt_regs *regs);
|
|
void __kprobes simulate_mrs(probes_opcode_t opcode,
|
|
struct arch_probes_insn *asi, struct pt_regs *regs);
|
|
void __kprobes simulate_mov_ipsp(probes_opcode_t opcode,
|
|
struct arch_probes_insn *asi, struct pt_regs *regs);
|
|
|
|
extern const union decode_item probes_decode_arm_table[];
|
|
|
|
enum probes_insn arm_probes_decode_insn(probes_opcode_t,
|
|
struct arch_probes_insn *, bool emulate,
|
|
const union decode_action *actions,
|
|
const struct decode_checker *checkers[]);
|
|
|
|
#endif
|