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      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 #ifndef _DIS_TABLES_H
     31 #define	_DIS_TABLES_H
     32 
     33 /*
     34  * Constants and prototypes for the IA32 disassembler backend.  See dis_tables.c
     35  * for usage information and documentation.
     36  */
     37 
     38 #ifdef __cplusplus
     39 extern "C" {
     40 #endif
     41 
     42 #include <sys/types.h>
     43 #include <sys/inttypes.h>
     44 #include <sys/param.h>
     45 
     46 /*
     47  * values for cpu mode
     48  */
     49 #define	SIZE16	1
     50 #define	SIZE32	2
     51 #define	SIZE64	3
     52 
     53 #define	OPLEN	256
     54 #define	PFIXLEN	  8
     55 #define	NCPS	20	/* number of chars per symbol	*/
     56 
     57 /*
     58  * data structures that must be provided to dtrace_dis86()
     59  */
     60 typedef struct d86opnd {
     61 	char		d86_opnd[OPLEN];	/* symbolic rep of operand */
     62 	char		d86_prefix[PFIXLEN];	/* any prefix string or "" */
     63 	uint_t		d86_mode;		/* mode for immediate */
     64 	uint_t		d86_value_size;		/* size in bytes of d86_value */
     65 	uint64_t	d86_value;		/* immediate value of opnd */
     66 } d86opnd_t;
     67 
     68 typedef struct dis86 {
     69 	uint_t		d86_mode;
     70 	uint_t		d86_error;
     71 	uint_t		d86_len;		/* instruction length */
     72 	int		d86_rmindex;		/* index of modrm byte or -1 */
     73 	uint_t		d86_memsize;		/* size of memory referenced */
     74 	char		d86_bytes[16];		/* bytes of instruction */
     75 	char		d86_mnem[OPLEN];
     76 	uint_t		d86_numopnds;
     77 	uint_t		d86_rex_prefix;		/* value of REX prefix if !0 */
     78 	char		*d86_seg_prefix;	/* segment prefix, if any */
     79 	uint_t		d86_opnd_size;
     80 	uint_t		d86_addr_size;
     81 	uint_t		d86_got_modrm;
     82 	struct d86opnd	d86_opnd[4];		/* up to 4 operands */
     83 	int		(*d86_check_func)(void *);
     84 	int		(*d86_get_byte)(void *);
     85 #ifdef DIS_TEXT
     86 	int		(*d86_sym_lookup)(void *, uint64_t, char *, size_t);
     87 	int		(*d86_sprintf_func)(char *, size_t, const char *, ...);
     88 	int		d86_flags;
     89 	uint_t		d86_imm_bytes;
     90 #endif
     91 	void		*d86_data;
     92 } dis86_t;
     93 
     94 extern int dtrace_disx86(dis86_t *x, uint_t cpu_mode);
     95 
     96 #define	DIS_F_OCTAL	0x1	/* Print all numbers in octal */
     97 #define	DIS_F_NOIMMSYM	0x2	/* Don't print symbols for immediates (.o) */
     98 
     99 #ifdef DIS_TEXT
    100 extern void dtrace_disx86_str(dis86_t *x, uint_t cpu_mode, uint64_t pc,
    101     char *buf, size_t len);
    102 #endif
    103 
    104 #ifdef __cplusplus
    105 }
    106 #endif
    107 
    108 #endif /* _DIS_TABLES_H */
    109