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 42 extern "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 */ 62 typedef 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 70 typedef 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 96 extern 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 102 extern 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