fasttrap_isa.h revision 260670 
1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/* Portions Copyright 2013 Justin Hibbits */
23/*
24 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
25 * Use is subject to license terms.
26 */
27
28#ifndef	_FASTTRAP_ISA_H
29#define	_FASTTRAP_ISA_H
30
31#pragma ident	"%Z%%M%	%I%	%E% SMI"
32
33#include <sys/types.h>
34
35#ifdef	__cplusplus
36extern "C" {
37#endif
38
39#define	FASTTRAP_SUNWDTRACE_SIZE	64
40#define FASTTRAP_INSTR			0x0FFFDDDD
41
42typedef	uint32_t	fasttrap_instr_t;
43
44typedef struct fasttrap_machtp_t {
45	fasttrap_instr_t	ftmt_instr;	/* original instruction */
46	uintptr_t		ftmt_dest;	/* branch target */
47	uint8_t			ftmt_type;	/* emulation type */
48	uint8_t			ftmt_flags;	/* emulation flags */
49	uint8_t			ftmt_bo;	/* BO field */
50	uint8_t			ftmt_bi;	/* BI field (CR bit) */
51} fasttrap_machtp_t;
52
53#define	ftt_instr	ftt_mtp.ftmt_instr
54#define	ftt_dest	ftt_mtp.ftmt_dest
55#define	ftt_type	ftt_mtp.ftmt_type
56#define	ftt_flags	ftt_mtp.ftmt_flags
57#define	ftt_bo		ftt_mtp.ftmt_bo
58#define	ftt_bi		ftt_mtp.ftmt_bi
59
60#define FASTTRAP_T_COMMON	0x00
61#define FASTTRAP_T_B		0x01
62#define FASTTRAP_T_BC		0x02
63#define FASTTRAP_T_BLR		0x03
64#define FASTTRAP_T_BCTR		0x04
65#define FASTTRAP_T_NOP		0x05
66
67#define	FASTTRAP_AFRAMES		3
68#define	FASTTRAP_RETURN_AFRAMES		4
69#define	FASTTRAP_ENTRY_AFRAMES		3
70#define	FASTTRAP_OFFSET_AFRAMES		3
71
72#ifdef	__cplusplus
73}
74#endif
75
76#endif	/* _FASTTRAP_ISA_H */
77