xref: /illumos-gate/usr/src/boot/sys/i386/include/reloc.h (revision 199767f8)
1*199767f8SToomas Soome /*-
2*199767f8SToomas Soome  * Copyright (c) 1992, 1993
3*199767f8SToomas Soome  *	The Regents of the University of California.  All rights reserved.
4*199767f8SToomas Soome  *
5*199767f8SToomas Soome  * Redistribution and use in source and binary forms, with or without
6*199767f8SToomas Soome  * modification, are permitted provided that the following conditions
7*199767f8SToomas Soome  * are met:
8*199767f8SToomas Soome  * 1. Redistributions of source code must retain the above copyright
9*199767f8SToomas Soome  *    notice, this list of conditions and the following disclaimer.
10*199767f8SToomas Soome  * 2. Redistributions in binary form must reproduce the above copyright
11*199767f8SToomas Soome  *    notice, this list of conditions and the following disclaimer in the
12*199767f8SToomas Soome  *    documentation and/or other materials provided with the distribution.
13*199767f8SToomas Soome  * 4. Neither the name of the University nor the names of its contributors
14*199767f8SToomas Soome  *    may be used to endorse or promote products derived from this software
15*199767f8SToomas Soome  *    without specific prior written permission.
16*199767f8SToomas Soome  *
17*199767f8SToomas Soome  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18*199767f8SToomas Soome  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19*199767f8SToomas Soome  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20*199767f8SToomas Soome  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21*199767f8SToomas Soome  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22*199767f8SToomas Soome  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23*199767f8SToomas Soome  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24*199767f8SToomas Soome  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25*199767f8SToomas Soome  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26*199767f8SToomas Soome  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27*199767f8SToomas Soome  * SUCH DAMAGE.
28*199767f8SToomas Soome  *
29*199767f8SToomas Soome  *	@(#)reloc.h	8.1 (Berkeley) 6/10/93
30*199767f8SToomas Soome  * $FreeBSD$
31*199767f8SToomas Soome  */
32*199767f8SToomas Soome 
33*199767f8SToomas Soome #ifndef _I386_MACHINE_RELOC_H_
34*199767f8SToomas Soome #define _I386_MACHINE_RELOC_H_
35*199767f8SToomas Soome 
36*199767f8SToomas Soome /* Relocation format. */
37*199767f8SToomas Soome struct relocation_info {
38*199767f8SToomas Soome 	int r_address;			  /* offset in text or data segment */
39*199767f8SToomas Soome 	unsigned int   r_symbolnum : 24,  /* ordinal number of add symbol */
40*199767f8SToomas Soome 			   r_pcrel :  1,  /* 1 if value should be pc-relative */
41*199767f8SToomas Soome 			  r_length :  2,  /* log base 2 of value's width */
42*199767f8SToomas Soome 			  r_extern :  1,  /* 1 if need to add symbol to value */
43*199767f8SToomas Soome 			 r_baserel :  1,  /* linkage table relative */
44*199767f8SToomas Soome 			r_jmptable :  1,  /* relocate to jump table */
45*199767f8SToomas Soome 			r_relative :  1,  /* load address relative */
46*199767f8SToomas Soome 			    r_copy :  1;  /* run time copy */
47*199767f8SToomas Soome };
48*199767f8SToomas Soome 
49*199767f8SToomas Soome #endif
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