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 2007 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 /* 39 * APPLE NOTE: There is a copy of this file for userspace in 40 * dtrace:sys_dis_tables.h 41 * 42 * It needs to be in sync with this file. 43 */ 44 45 #ifdef __cplusplus 46 extern "C" { 47 #endif 48 49 #include <sys/types.h> 50 #include <stdint.h> 51 #include <sys/param.h> 52 53 /* 54 * values for cpu mode 55 */ 56 #define SIZE16 1 57 #define SIZE32 2 58 #define SIZE64 3 59 60 #define OPLEN 256 61 #define PFIXLEN 8 62 #define NCPS 20 /* number of chars per symbol */ 63 64 /* 65 * data structures that must be provided to dtrace_dis86() 66 */ 67 typedef struct d86opnd { 68 char d86_opnd[OPLEN]; /* symbolic rep of operand */ 69 char d86_prefix[PFIXLEN]; /* any prefix string or "" */ 70 uint_t d86_mode; /* mode for immediate */ 71 uint_t d86_value_size; /* size in bytes of d86_value */ 72 uint64_t d86_value; /* immediate value of opnd */ 73 } d86opnd_t; 74 75 typedef struct dis86 { 76 uint_t d86_mode; 77 uint_t d86_error; 78 uint_t d86_len; /* instruction length */ 79 int d86_rmindex; /* index of modrm byte or -1 */ 80 uint_t d86_memsize; /* size of memory referenced */ 81 char d86_bytes[16]; /* bytes of instruction */ 82 char d86_mnem[OPLEN]; 83 uint_t d86_numopnds; 84 uint_t d86_rex_prefix; /* value of REX prefix if !0 */ 85 char *d86_seg_prefix; /* segment prefix, if any */ 86 uint_t d86_opnd_size; 87 uint_t d86_addr_size; 88 uint_t d86_got_modrm; 89 uint_t d86_vsib; /* Has a VSIB */ 90 struct d86opnd d86_opnd[4]; /* up to 4 operands */ 91 int (*d86_check_func)(void *); 92 int (*d86_get_byte)(void *); 93 #ifdef DIS_TEXT 94 int (*d86_sym_lookup)(void *, uint64_t, char *, size_t); 95 int (*d86_sprintf_func)(char *, size_t, const char *, ...); 96 int d86_flags; 97 uint_t d86_imm_bytes; 98 #endif 99 void *d86_data; 100 } dis86_t; 101 102 extern int dtrace_disx86(dis86_t *x, uint_t cpu_mode); 103 104 #define DIS_F_OCTAL 0x1 /* Print all numbers in octal */ 105 #define DIS_F_NOIMMSYM 0x2 /* Don't print symbols for immediates (.o) */ 106 107 #ifdef DIS_TEXT 108 extern void dtrace_disx86_str(dis86_t *x, uint_t cpu_mode, uint64_t pc, 109 char *buf, size_t len); 110 #endif 111 112 #ifdef __cplusplus 113 } 114 #endif 115 116 #endif /* _DIS_TABLES_H */ 117