ptrace.h revision 1.15 
1/*	$NetBSD: ptrace.h,v 1.15 2019/06/18 21:18:13 kamil 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
33#ifndef _SH3_PTRACE_H_
34#define _SH3_PTRACE_H_
35
36/*
37 * sh3-dependent ptrace definitions
38 */
39
40#define PT_STEP		(PT_FIRSTMACH + 0)
41
42/* old struct reg (now struct __reg40) that was missing r_gbr */
43#define	PT___GETREGS40	(PT_FIRSTMACH + 1)
44#define	PT___SETREGS40	(PT_FIRSTMACH + 2)
45
46#define	PT_GETREGS	(PT_FIRSTMACH + 3)
47#define	PT_SETREGS	(PT_FIRSTMACH + 4)
48
49#if 0 /* XXX: not yet, but reserve the numbers "leaked" to readelf(1). */
50#define	PT_GETFPREGS	(PT_FIRSTMACH + 5)
51#define	PT_SETFPREGS	(PT_FIRSTMACH + 6)
52#endif
53
54#define	PT_SETSTEP	(PT_FIRSTMACH + 7)
55#define	PT_CLEARSTEP	(PT_FIRSTMACH + 8)
56
57#define PT_MACHDEP_STRINGS \
58	"PT_STEP", \
59	"PT___GETREGS40", \
60	"PT___SETREGS40", \
61	"PT_GETREGS", \
62	"PT_SETREGS", \
63	"PT_GETFPREGS", \
64	"PT_SETFPREGS", \
65	"PT_SETSTEP", \
66	"PT_CLEARSTEP"
67
68#include <machine/reg.h>
69#define PTRACE_REG_PC(r)	r->r_spc
70#define PTRACE_REG_FP(r)	r->r_r14
71#define PTRACE_REG_SET_PC(r, v)	r->r_spc = (v)
72#define PTRACE_REG_SP(r)	r->r_r15
73#define PTRACE_REG_INTV(r)	r->r_r0
74
75#define PTRACE_BREAKPOINT_TRAP	0xc3
76#define PTRACE_BREAKPOINT	((const uint8_t[]) { 0xc3, 0xc3 })
77#define PTRACE_BREAKPOINT_ASM	__asm __volatile("trapa %0" :: "i"(PTRACE_BREAKPOINT_TRAP))
78#define PTRACE_BREAKPOINT_SIZE	2
79
80#ifdef _KERNEL
81#ifdef _KERNEL_OPT
82#include "opt_compat_netbsd.h"
83#endif
84
85#ifdef COMPAT_40
86
87#define __HAVE_PTRACE_MACHDEP
88
89#define	PTRACE_MACHDEP_REQUEST_CASES			\
90	case PT___GETREGS40:	/* FALLTHROUGH */	\
91	case PT___SETREGS40:
92
93#endif /* COMPAT_40 */
94
95#ifdef __HAVE_PTRACE_MACHDEP
96int ptrace_machdep_dorequest(struct lwp *, struct lwp *, int, void *, int);
97#endif
98
99#endif /* _KERNEL */
100#endif /* !_SH3_PTRACE_H_ */
101