1/* $NetBSD: ptrace.h,v 1.12 2020/09/07 18:29:48 ryo Exp $ */
2
3/*-
4 * Copyright (c) 2014 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Matt Thomas of 3am Software Foundry.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#ifndef _AARCH64_PTRACE_H_
33#define _AARCH64_PTRACE_H_
34
35#ifdef __aarch64__
36
37/*
38 * AARCH64-dependent ptrace definitions.
39 */
40#define PT_GETREGS (PT_FIRSTMACH + 0)
41#define PT_SETREGS (PT_FIRSTMACH + 1)
42#define PT_GETFPREGS (PT_FIRSTMACH + 2)
43#define PT_SETFPREGS (PT_FIRSTMACH + 3)
44#define PT_STEP (PT_FIRSTMACH + 4)
45#define PT_SETSTEP (PT_FIRSTMACH + 5)
46#define PT_CLEARSTEP (PT_FIRSTMACH + 6)
47
48#define PT_MACHDEP_STRINGS \
49 "PT_GETREGS", \
50 "PT_SETREGS", \
51 "PT_GETFPREGS", \
52 "PT_SETFPREGS", \
53 "PT_STEP", \
54 "PT_SETSTEP", \
55 "PT_CLEARSTEP",
56
57
58#include <machine/reg.h>
59#define PTRACE_REG_PC(r) (r)->r_pc
60#define PTRACE_REG_FP(r) (r)->r_reg[29]
61#define PTRACE_REG_SET_PC(r, v) (r)->r_pc = (v)
62#define PTRACE_REG_SP(r) (r)->r_sp
63#define PTRACE_REG_INTRV(r) (r)->r_reg[0]
64
65#define PTRACE_BREAKPOINT ((const uint8_t[]) { 0xa0, 0x01, 0x20, 0xd4 })
66#define PTRACE_BREAKPOINT_ASM __asm __volatile("brk #13" ::: "memory")
67#define PTRACE_BREAKPOINT_SIZE 4
68
69#ifdef _KERNEL_OPT
70#include "opt_compat_netbsd32.h"
71#endif
72
73#ifdef COMPAT_NETBSD32
74#include <machine/netbsd32_machdep.h>
75
76#define process_read_regs32 netbsd32_process_read_regs
77#define process_read_fpregs32 netbsd32_process_read_fpregs
78
79#define process_write_regs32 netbsd32_process_write_regs
80#define process_write_fpregs32 netbsd32_process_write_fpregs
81
82#define process_reg32 struct reg32
83#define process_fpreg32 struct fpreg32
84
85#define PTRACE_TRANSLATE_REQUEST32(x) netbsd32_ptrace_translate_request(x)
86#endif /* COMPAT_NETBSD32 */
87
88#elif defined(__arm__)
89
90#include <arm/ptrace.h>
91
92#endif
93
94#endif /* _AARCH64_PTRACE_H_ */