bsd/i386/dis_tables.h

   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 */