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 (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
22 * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26/*	Copyright (c) 1988 AT&T	*/
27/*	  All Rights Reserved  	*/
28
29/*
30 * $FreeBSD$
31 */
32
33#ifndef _DIS_TABLES_H
34#define	_DIS_TABLES_H
35
36/*
37 * Constants and prototypes for the IA32 disassembler backend.  See dis_tables.c
38 * for usage information and documentation.
39 */
40
41#ifdef __cplusplus
42extern "C" {
43#endif
44
45#include <sys/types.h>
46#include <sys/param.h>
47
48/*
49 * values for cpu mode
50 */
51#define	SIZE16	1
52#define	SIZE32	2
53#define	SIZE64	3
54
55#define	OPLEN	256
56#define	PFIXLEN	  8
57#define	NCPS	20	/* number of chars per symbol	*/
58
59/*
60 * data structures that must be provided to dtrace_dis86()
61 */
62typedef struct d86opnd {
63	char		d86_opnd[OPLEN];	/* symbolic rep of operand */
64	char		d86_prefix[PFIXLEN];	/* any prefix string or "" */
65	uint_t		d86_mode;		/* mode for immediate */
66	uint_t		d86_value_size;		/* size in bytes of d86_value */
67	uint64_t	d86_value;		/* immediate value of opnd */
68} d86opnd_t;
69
70typedef struct dis86 {
71	uint_t		d86_mode;
72	uint_t		d86_error;
73	uint_t		d86_len;		/* instruction length */
74	int		d86_rmindex;		/* index of modrm byte or -1 */
75	uint_t		d86_memsize;		/* size of memory referenced */
76	char		d86_bytes[16];		/* bytes of instruction */
77	char		d86_mnem[OPLEN];
78	uint_t		d86_numopnds;
79	uint_t		d86_rex_prefix;		/* value of REX prefix if !0 */
80	char		*d86_seg_prefix;	/* segment prefix, if any */
81	uint_t		d86_opnd_size;
82	uint_t		d86_addr_size;
83	uint_t		d86_got_modrm;
84	struct d86opnd	d86_opnd[4];		/* up to 4 operands */
85	int		(*d86_check_func)(void *);
86	int		(*d86_get_byte)(void *);
87#ifdef DIS_TEXT
88	int		(*d86_sym_lookup)(void *, uint64_t, char *, size_t);
89	int		(*d86_sprintf_func)(char *, size_t, const char *, ...);
90	int		d86_flags;
91	uint_t		d86_imm_bytes;
92#endif
93	void		*d86_data;
94} dis86_t;
95
96extern int dtrace_disx86(dis86_t *x, uint_t cpu_mode);
97
98#define	DIS_F_OCTAL	0x1	/* Print all numbers in octal */
99#define	DIS_F_NOIMMSYM	0x2	/* Don't print symbols for immediates (.o) */
100
101#ifdef DIS_TEXT
102extern void dtrace_disx86_str(dis86_t *x, uint_t cpu_mode, uint64_t pc,
103    char *buf, size_t len);
104#endif
105
106#ifdef __cplusplus
107}
108#endif
109
110#endif /* _DIS_TABLES_H */
111