mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-21 01:51:18 +00:00
c7edc9e326
Using Rabin Vincent's ARM uprobes patches as a base, enable uprobes support on ARM. Caveats: - Thumb is not supported Signed-off-by: Rabin Vincent <rabin@rab.in> Signed-off-by: David A. Long <dave.long@linaro.org>
45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
/*
|
|
* Copyright (C) 2012 Rabin Vincent <rabin at rab.in>
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#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
|