xref: /netbsd-src/sys/arch/sparc/include/ptrace.h (revision 69b007755dd625a8fa5c2d9f7b43a53aac265b13)
1 /*	$NetBSD: ptrace.h,v 1.16 2020/09/14 09:47:43 kamil Exp $ */
2 
3 /*
4  * Copyright (c) 1992, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * This software was developed by the Computer Systems Engineering group
8  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
9  * contributed to Berkeley.
10  *
11  * All advertising materials mentioning features or use of this software
12  * must display the following acknowledgement:
13  *	This product includes software developed by the University of
14  *	California, Lawrence Berkeley Laboratory.
15  *
16  * Redistribution and use in source and binary forms, with or without
17  * modification, are permitted provided that the following conditions
18  * are met:
19  * 1. Redistributions of source code must retain the above copyright
20  *    notice, this list of conditions and the following disclaimer.
21  * 2. Redistributions in binary form must reproduce the above copyright
22  *    notice, this list of conditions and the following disclaimer in the
23  *    documentation and/or other materials provided with the distribution.
24  * 3. Neither the name of the University nor the names of its contributors
25  *    may be used to endorse or promote products derived from this software
26  *    without specific prior written permission.
27  *
28  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
29  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
32  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38  * SUCH DAMAGE.
39  *
40  *	@(#)ptrace.h	8.1 (Berkeley) 6/11/93
41  */
42 
43 /*
44  * SPARC-dependent ptrace definitions.
45  */
46 #define	PT_GETREGS	(PT_FIRSTMACH + 0)
47 #define	PT_SETREGS	(PT_FIRSTMACH + 1)
48 #define	PT_GETFPREGS	(PT_FIRSTMACH + 2)
49 #define	PT_SETFPREGS	(PT_FIRSTMACH + 3)
50 
51 #define PT_MACHDEP_STRINGS \
52 	"PT_GETREGS", \
53 	"PT_SETREGS", \
54 	"PT_GETFPREGS", \
55 	"PT_SETFPREGS",
56 
57 #include <machine/reg.h>
58 #define PTRACE_REG_PC(r)	((unsigned long int)(r)->r_pc)
59 #define PTRACE_REG_FP(r)	0 /* not stored in struct reg */
60 #define PTRACE_REG_SET_PC(r, v)	do {	\
61 	(r)->r_pc = (v);		\
62 	(r)->r_npc = (v) + 4;		\
63     } while (/*CONSTCOND*/0)
64 #define PTRACE_REG_SP(r)	((unsigned long int)(r)->r_out[6])
65 #define PTRACE_REG_INTRV(r)	((unsigned long int)(r)->r_out[0])
66 
67 #define PTRACE_ILLEGAL_ASM	__asm __volatile (".word 0" : : : "memory")
68 
69 #define PTRACE_BREAKPOINT	((const uint8_t[]) { 0x91, 0xd0, 0x20, 0x01 })
70 #define PTRACE_BREAKPOINT_ASM	__asm __volatile("ta 1")
71 #define PTRACE_BREAKPOINT_SIZE	4
72 
73 #ifdef _KERNEL
74 #define PTRACE_LWP_GETPRIVATE(l) (l)->l_md.md_tf->tf_global[7]
75 #endif
76