tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Kernel Probes (KProbes)
3 *
4 * Copyright (C) 2005-2006 Atmel Corporation
5 * Copyright (C) IBM Corporation, 2002, 2004
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 */
11#ifndef __ASM_AVR32_KPROBES_H
12#define __ASM_AVR32_KPROBES_H
13
14#include <linux/types.h>
15
16typedef u16 kprobe_opcode_t;
17#define BREAKPOINT_INSTRUCTION 0xd673 /* breakpoint */
18#define MAX_INSN_SIZE 2
19#define MAX_STACK_SIZE 64 /* 32 would probably be OK */
20
21#define kretprobe_blacklist_size 0
22
23#define arch_remove_kprobe(p) do { } while (0)
24
25/* Architecture specific copy of original instruction */
26struct arch_specific_insn {
27 kprobe_opcode_t insn[MAX_INSN_SIZE];
28};
29
30struct prev_kprobe {
31 struct kprobe *kp;
32 unsigned int status;
33};
34
35/* per-cpu kprobe control block */
36struct kprobe_ctlblk {
37 unsigned int kprobe_status;
38 struct prev_kprobe prev_kprobe;
39 struct pt_regs jprobe_saved_regs;
40 char jprobes_stack[MAX_STACK_SIZE];
41};
42
43extern int kprobe_fault_handler(struct pt_regs *regs, int trapnr);
44extern int kprobe_exceptions_notify(struct notifier_block *self,
45 unsigned long val, void *data);
46
47#define flush_insn_slot(p) do { } while (0)
48
49#endif /* __ASM_AVR32_KPROBES_H */