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: head/sys/cddl/dev/dtrace/x86/dis_tables.h 313133 2017-02-03 03:22:47Z markj $ 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/proc.h> 47 #include <sys/param.h> 48 49 /* 50 * values for cpu mode 51 */ 52 #define SIZE16 1 53 #define SIZE32 2 54 #define SIZE64 3 55 56 #define OPLEN 256 57 #define PFIXLEN 8 58 #define NCPS 20 /* number of chars per symbol */ 59 60 /* 61 * data structures that must be provided to dtrace_dis86() 62 */ 63 typedef struct d86opnd { 64 char d86_opnd[OPLEN]; /* symbolic rep of operand */ 65 char d86_prefix[PFIXLEN]; /* any prefix string or "" */ 66 uint_t d86_mode; /* mode for immediate */ 67 uint_t d86_value_size; /* size in bytes of d86_value */ 68 uint64_t d86_value; /* immediate value of opnd */ 69 } d86opnd_t; 70 71 typedef struct dis86 { 72 uint_t d86_mode; 73 uint_t d86_error; 74 uint_t d86_len; /* instruction length */ 75 int d86_rmindex; /* index of modrm byte or -1 */ 76 uint_t d86_memsize; /* size of memory referenced */ 77 char d86_bytes[16]; /* bytes of instruction */ 78 char d86_mnem[OPLEN]; 79 uint_t d86_numopnds; 80 uint_t d86_rex_prefix; /* value of REX prefix if !0 */ 81 char *d86_seg_prefix; /* segment prefix, if any */ 82 uint_t d86_opnd_size; 83 uint_t d86_addr_size; 84 uint_t d86_got_modrm; 85 uint_t d86_vsib; /* Has a VSIB */ 86 struct d86opnd d86_opnd[4]; /* up to 4 operands */ 87 int (*d86_check_func)(void *); 88 int (*d86_get_byte)(void *); 89 #ifdef DIS_TEXT 90 int (*d86_sym_lookup)(void *, uint64_t, char *, size_t); 91 int (*d86_sprintf_func)(char *, size_t, const char *, ...); 92 int d86_flags; 93 uint_t d86_imm_bytes; 94 #endif 95 void *d86_data; 96 } dis86_t; 97 98 extern int dtrace_disx86(dis86_t *x, uint_t cpu_mode); 99 100 #define DIS_F_OCTAL 0x1 /* Print all numbers in octal */ 101 #define DIS_F_NOIMMSYM 0x2 /* Don't print symbols for immediates (.o) */ 102 103 #ifdef DIS_TEXT 104 extern void dtrace_disx86_str(dis86_t *x, uint_t cpu_mode, uint64_t pc, 105 char *buf, size_t len); 106 #endif 107 108 #ifdef __cplusplus 109 } 110 #endif 111 112 #endif /* _DIS_TABLES_H */ 113