tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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 */