43 строки
948 B
C
43 строки
948 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* Copyright (C) 2012 Rabin Vincent <rabin at rab.in>
|
|
*/
|
|
|
|
#ifndef _ASM_UPROBES_H
|
|
#define _ASM_UPROBES_H
|
|
|
|
#include <asm/probes.h>
|
|
#include <asm/opcodes.h>
|
|
|
|
typedef u32 uprobe_opcode_t;
|
|
|
|
#define MAX_UINSN_BYTES 4
|
|
#define UPROBE_XOL_SLOT_BYTES 64
|
|
|
|
#define UPROBE_SWBP_ARM_INSN 0xe7f001f9
|
|
#define UPROBE_SS_ARM_INSN 0xe7f001fa
|
|
#define UPROBE_SWBP_INSN __opcode_to_mem_arm(UPROBE_SWBP_ARM_INSN)
|
|
#define UPROBE_SWBP_INSN_SIZE 4
|
|
|
|
struct arch_uprobe_task {
|
|
u32 backup;
|
|
unsigned long saved_trap_no;
|
|
};
|
|
|
|
struct arch_uprobe {
|
|
u8 insn[MAX_UINSN_BYTES];
|
|
unsigned long ixol[2];
|
|
uprobe_opcode_t bpinsn;
|
|
bool simulate;
|
|
u32 pcreg;
|
|
void (*prehandler)(struct arch_uprobe *auprobe,
|
|
struct arch_uprobe_task *autask,
|
|
struct pt_regs *regs);
|
|
void (*posthandler)(struct arch_uprobe *auprobe,
|
|
struct arch_uprobe_task *autask,
|
|
struct pt_regs *regs);
|
|
struct arch_probes_insn asi;
|
|
};
|
|
|
|
#endif
|