sys/cpu/i386/include/reloc.h

   1 /*-
   2  * Copyright (c) 1992, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. All advertising materials mentioning features or use of this software
  14  *    must display the following acknowledgement:
  15  *      This product includes software developed by the University of
  16  *      California, Berkeley and its contributors.
  17  * 4. Neither the name of the University nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  *
  33  *      @(#)reloc.h     8.1 (Berkeley) 6/10/93
  34  * $FreeBSD: src/sys/i386/include/reloc.h,v 1.7 1999/08/28 00:44:23 peter Exp $
  35  * $DragonFly: src/sys/cpu/i386/include/reloc.h,v 1.4 2006/11/07 18:49:59 dillon Exp $
  36  */
  37
  38 #ifndef _CPU_RELOC_H_
  39 #define _CPU_RELOC_H_
  40
  41 /* Relocation format. */
  42 struct relocation_info {
  43         int r_address;                    /* offset in text or data segment */
  44         unsigned int   r_symbolnum : 24,  /* ordinal number of add symbol */
  45                            r_pcrel :  1,  /* 1 if value should be pc-relative */
  46                           r_length :  2,  /* log base 2 of value's width */
  47                           r_extern :  1,  /* 1 if need to add symbol to value */
  48                          r_baserel :  1,  /* linkage table relative */
  49                         r_jmptable :  1,  /* relocate to jump table */
  50                         r_relative :  1,  /* load address relative */
  51                             r_copy :  1;  /* run time copy */
  52 };
  53
  54 #endif