162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-only */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * Copyright (C) 2012 Rabin Vincent <rabin at rab.in> 462306a36Sopenharmony_ci */ 562306a36Sopenharmony_ci 662306a36Sopenharmony_ci#ifndef _ASM_UPROBES_H 762306a36Sopenharmony_ci#define _ASM_UPROBES_H 862306a36Sopenharmony_ci 962306a36Sopenharmony_ci#include <asm/probes.h> 1062306a36Sopenharmony_ci#include <asm/opcodes.h> 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_citypedef u32 uprobe_opcode_t; 1362306a36Sopenharmony_ci 1462306a36Sopenharmony_ci#define MAX_UINSN_BYTES 4 1562306a36Sopenharmony_ci#define UPROBE_XOL_SLOT_BYTES 64 1662306a36Sopenharmony_ci 1762306a36Sopenharmony_ci#define UPROBE_SWBP_ARM_INSN 0xe7f001f9 1862306a36Sopenharmony_ci#define UPROBE_SS_ARM_INSN 0xe7f001fa 1962306a36Sopenharmony_ci#define UPROBE_SWBP_INSN __opcode_to_mem_arm(UPROBE_SWBP_ARM_INSN) 2062306a36Sopenharmony_ci#define UPROBE_SWBP_INSN_SIZE 4 2162306a36Sopenharmony_ci 2262306a36Sopenharmony_cistruct arch_uprobe_task { 2362306a36Sopenharmony_ci u32 backup; 2462306a36Sopenharmony_ci unsigned long saved_trap_no; 2562306a36Sopenharmony_ci}; 2662306a36Sopenharmony_ci 2762306a36Sopenharmony_cistruct arch_uprobe { 2862306a36Sopenharmony_ci u8 insn[MAX_UINSN_BYTES]; 2962306a36Sopenharmony_ci unsigned long ixol[2]; 3062306a36Sopenharmony_ci uprobe_opcode_t bpinsn; 3162306a36Sopenharmony_ci bool simulate; 3262306a36Sopenharmony_ci u32 pcreg; 3362306a36Sopenharmony_ci void (*prehandler)(struct arch_uprobe *auprobe, 3462306a36Sopenharmony_ci struct arch_uprobe_task *autask, 3562306a36Sopenharmony_ci struct pt_regs *regs); 3662306a36Sopenharmony_ci void (*posthandler)(struct arch_uprobe *auprobe, 3762306a36Sopenharmony_ci struct arch_uprobe_task *autask, 3862306a36Sopenharmony_ci struct pt_regs *regs); 3962306a36Sopenharmony_ci struct arch_probes_insn asi; 4062306a36Sopenharmony_ci}; 4162306a36Sopenharmony_ci 4262306a36Sopenharmony_ci#endif 43