dis_tables.h

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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  * $FreeBSD$
   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         uint_t          d86_vsib;               /* Has a VSIB */
   85         struct d86opnd  d86_opnd[4];            /* up to 4 operands */
   86         int             (*d86_check_func)(void *);
   87         int             (*d86_get_byte)(void *);
   88 #ifdef DIS_TEXT
   89         int             (*d86_sym_lookup)(void *, uint64_t, char *, size_t);
   90         int             (*d86_sprintf_func)(char *, size_t, const char *, ...);
   91         int             d86_flags;
   92         uint_t          d86_imm_bytes;
   93 #endif
   94         void            *d86_data;
   95 } dis86_t;
   96 
   97 extern int dtrace_disx86(dis86_t *x, uint_t cpu_mode);
   98 
   99 #define DIS_F_OCTAL     0x1     /* Print all numbers in octal */
  100 #define DIS_F_NOIMMSYM  0x2     /* Don't print symbols for immediates (.o) */
  101 
  102 #ifdef DIS_TEXT
  103 extern void dtrace_disx86_str(dis86_t *x, uint_t cpu_mode, uint64_t pc,
  104     char *buf, size_t len);
  105 #endif
  106 
  107 #ifdef __cplusplus
  108 }
  109 #endif
  110 
  111 #endif /* _DIS_TABLES_H */

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FreeBSD/Linux Kernel Cross Reference sys/cddl/dev/dtrace/x86/dis_tables.h

FreeBSD/Linux Kernel Cross Reference
sys/cddl/dev/dtrace/x86/dis_tables.h