uprobes.h

 1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2#ifndef _ASM_UPROBES_H
 3#define _ASM_UPROBES_H
 4/*
 5 * User-space Probes (UProbes) for powerpc
 6 *
 7 * Copyright IBM Corporation, 2007-2012
 8 *
 9 * Adapted from the x86 port by Ananth N Mavinakayanahalli <ananth@in.ibm.com>
10 */
11
12#include <linux/notifier.h>
13#include <asm/probes.h>
14
15typedef u32 uprobe_opcode_t;
16
17#define MAX_UINSN_BYTES		8
18#define UPROBE_XOL_SLOT_BYTES	(MAX_UINSN_BYTES)
19
20/* The following alias is needed for reference from arch-agnostic code */
21#define UPROBE_SWBP_INSN	BREAKPOINT_INSTRUCTION
22#define UPROBE_SWBP_INSN_SIZE	4 /* swbp insn size in bytes */
23
24struct arch_uprobe {
25	union {
26		u32 insn[2];
27		u32 ixol[2];
28	};
29};
30
31struct arch_uprobe_task {
32	unsigned long	saved_trap_nr;
33};
34
35#endif	/* _ASM_UPROBES_H */