/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*	Copyright (c) 1988 AT&T	*/
/*	  All Rights Reserved   */


#ifndef _DIS_TABLES_H
#define _DIS_TABLES_H

/*
 * Constants and prototypes for the IA32 disassembler backend.  See dis_tables.c
 * for usage information and documentation.
 */

/*
 * APPLE NOTE: There is a copy of this file for userspace in
 * dtrace:sys_dis_tables.h
 *
 * It needs to be in sync with this file.
 */

#ifdef __cplusplus
extern "C" {
#endif

#include <sys/types.h>
#include <stdint.h>
#include <sys/param.h>

/*
 * values for cpu mode
 */
#define SIZE16  1
#define SIZE32  2
#define SIZE64  3

#define OPLEN   256
#define PFIXLEN   8
#define NCPS    20      /* number of chars per symbol	*/

/*
 * data structures that must be provided to dtrace_dis86()
 */
typedef struct d86opnd {
	char            d86_opnd[OPLEN];        /* symbolic rep of operand */
	char            d86_prefix[PFIXLEN];    /* any prefix string or "" */
	uint_t          d86_mode;               /* mode for immediate */
	uint_t          d86_value_size;         /* size in bytes of d86_value */
	uint64_t        d86_value;              /* immediate value of opnd */
} d86opnd_t;

typedef struct dis86 {
	uint_t          d86_mode;
	uint_t          d86_error;
	uint_t          d86_len;                /* instruction length */
	int             d86_rmindex;            /* index of modrm byte or -1 */
	uint_t          d86_memsize;            /* size of memory referenced */
	char            d86_bytes[16];          /* bytes of instruction */
	char            d86_mnem[OPLEN];
	uint_t          d86_numopnds;
	uint_t          d86_rex_prefix;         /* value of REX prefix if !0 */
	char            *d86_seg_prefix;        /* segment prefix, if any */
	uint_t          d86_opnd_size;
	uint_t          d86_addr_size;
	uint_t          d86_got_modrm;
	uint_t          d86_vsib;               /* Has a VSIB */
	struct d86opnd  d86_opnd[4];            /* up to 4 operands */
	int             (*d86_check_func)(void *);
	int             (*d86_get_byte)(void *);
#ifdef DIS_TEXT
	int             (*d86_sym_lookup)(void *, uint64_t, char *, size_t);
	int             (*d86_sprintf_func)(char *, size_t, const char *, ...);
	int             d86_flags;
	uint_t          d86_imm_bytes;
#endif
	void            *d86_data;
} dis86_t;

extern int dtrace_disx86(dis86_t *x, uint_t cpu_mode);

#define DIS_F_OCTAL     0x1     /* Print all numbers in octal */
#define DIS_F_NOIMMSYM  0x2     /* Don't print symbols for immediates (.o) */

#ifdef DIS_TEXT
extern void dtrace_disx86_str(dis86_t *x, uint_t cpu_mode, uint64_t pc,
    char *buf, size_t len);
#endif

#ifdef __cplusplus
}
#endif

#endif /* _DIS_TABLES_H */
