tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
4 */
5
6#ifndef _ARC_KPROBES_H
7#define _ARC_KPROBES_H
8
9#include <asm-generic/kprobes.h>
10
11#ifdef CONFIG_KPROBES
12
13typedef u16 kprobe_opcode_t;
14
15#define UNIMP_S_INSTRUCTION 0x79e0
16#define TRAP_S_2_INSTRUCTION 0x785e
17
18#define MAX_INSN_SIZE 8
19#define MAX_STACK_SIZE 64
20
21struct arch_specific_insn {
22 int is_short;
23 kprobe_opcode_t *t1_addr, *t2_addr;
24 kprobe_opcode_t t1_opcode, t2_opcode;
25};
26
27#define flush_insn_slot(p) do { } while (0)
28
29#define kretprobe_blacklist_size 0
30
31struct kprobe;
32
33void arch_remove_kprobe(struct kprobe *p);
34
35struct prev_kprobe {
36 struct kprobe *kp;
37 unsigned long status;
38};
39
40struct kprobe_ctlblk {
41 unsigned int kprobe_status;
42 struct prev_kprobe prev_kprobe;
43};
44
45int kprobe_fault_handler(struct pt_regs *regs, unsigned long cause);
46void __kretprobe_trampoline(void);
47void trap_is_kprobe(unsigned long address, struct pt_regs *regs);
48#else
49#define trap_is_kprobe(address, regs)
50#endif /* CONFIG_KPROBES */
51
52#endif /* _ARC_KPROBES_H */