1/* $NetBSD: ptrace.h,v 1.16 2019/06/26 12:30:12 mgorny Exp $ */
2
3/*
4 * Copyright (c) 1993 Christopher G. Demetriou
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by Christopher G. Demetriou.
18 * 4. The name of the author may not be used to endorse or promote products
19 * derived from this software without specific prior written permission
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32#ifndef _AMD64_PTRACE_H_
33#define _AMD64_PTRACE_H_
34
35#ifdef __x86_64__
36/*
37 * i386-dependent ptrace definitions
38 */
39#define PT_STEP (PT_FIRSTMACH + 0)
40#define PT_GETREGS (PT_FIRSTMACH + 1)
41#define PT_SETREGS (PT_FIRSTMACH + 2)
42#define PT_GETFPREGS (PT_FIRSTMACH + 3)
43#define PT_SETFPREGS (PT_FIRSTMACH + 4)
44#define PT_GETDBREGS (PT_FIRSTMACH + 5)
45#define PT_SETDBREGS (PT_FIRSTMACH + 6)
46#define PT_SETSTEP (PT_FIRSTMACH + 7)
47#define PT_CLEARSTEP (PT_FIRSTMACH + 8)
48#define PT_GETXSTATE (PT_FIRSTMACH + 9)
49#define PT_SETXSTATE (PT_FIRSTMACH + 10)
50
51/* We have machine-dependent process tracing needs. */
52#define __HAVE_PTRACE_MACHDEP
53
54#define PT_MACHDEP_STRINGS \
55 "PT_STEP", \
56 "PT_GETREGS", \
57 "PT_SETREGS", \
58 "PT_GETFPREGS", \
59 "PT_SETFPREGS", \
60 "PT_GETDBREGS", \
61 "PT_SETDBREGS", \
62 "PT_SETSTEP", \
63 "PT_CLEARSTEP", \
64 "PT_GETXSTATE", \
65 "PT_SETXSTATE"
66
67#include <machine/reg.h>
68#define PTRACE_REG_PC(r) (r)->regs[_REG_RIP]
69#define PTRACE_REG_FP(r) (r)->regs[_REG_RBP]
70#define PTRACE_REG_SET_PC(r, v) (r)->regs[_REG_RIP] = (v)
71#define PTRACE_REG_SP(r) (r)->regs[_REG_RSP]
72#define PTRACE_REG_INTRV(r) (r)->regs[_REG_RAX]
73
74#define PTRACE_ILLEGAL_ASM __asm __volatile ("ud2" : : : "memory")
75
76#define PTRACE_BREAKPOINT ((const uint8_t[]) { 0xcc })
77#define PTRACE_BREAKPOINT_ASM __asm __volatile ("int3" : : : "memory")
78#define PTRACE_BREAKPOINT_SIZE 1
79#define PTRACE_BREAKPOINT_ADJ 1
80
81#ifdef _KERNEL
82
83/*
84 * These are used in sys_ptrace() to find good ptrace(2) requests.
85 */
86#define PTRACE_MACHDEP_REQUEST_CASES \
87 case PT_GETXSTATE: \
88 case PT_SETXSTATE:
89
90int process_machdep_doxstate(struct lwp *, struct lwp *, struct uio *);
91int process_machdep_validxstate(struct proc *);
92
93#endif /* _KERNEL */
94
95#ifdef _KERNEL_OPT
96#include "opt_compat_netbsd32.h"
97
98#ifdef COMPAT_NETBSD32
99#include <machine/netbsd32_machdep.h>
100
101#define process_read_regs32 netbsd32_process_read_regs
102#define process_read_fpregs32 netbsd32_process_read_fpregs
103#define process_read_dbregs32 netbsd32_process_read_dbregs
104
105#define process_write_regs32 netbsd32_process_write_regs
106#define process_write_fpregs32 netbsd32_process_write_fpregs
107#define process_write_dbregs32 netbsd32_process_write_dbregs
108
109#define process_reg32 struct reg32
110#define process_fpreg32 struct fpreg32
111#define process_dbreg32 struct dbreg32
112
113#define PTRACE_TRANSLATE_REQUEST32(x) netbsd32_ptrace_translate_request(x)
114#endif /* COMPAT_NETBSD32 */
115#endif /* _KERNEL_OPT */
116
117#else /* !__x86_64__ */
118
119#include <i386/ptrace.h>
120
121#endif /* __x86_64__ */
122
123#endif /* _AMD64_PTRACE_H_ */
124