archdep.h revision 1.21 
1/*	$OpenBSD: archdep.h,v 1.21 2019/10/23 19:55:09 guenther Exp $ */
2
3/*
4 * Copyright (c) 1998 Per Fogelstrom, Opsycon AB
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
16 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
19 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 */
28
29#ifndef _I386_ARCHDEP_H_
30#define _I386_ARCHDEP_H_
31
32#define	RELOC_TAG	DT_REL
33
34#define	MACHID	EM_386		/* ELF e_machine ID value checked */
35
36#include <elf.h>
37#include <machine/reloc.h>
38#include "syscall.h"
39#include "util.h"
40
41
42static inline void
43RELOC_DYN(Elf_Rel *r, const Elf_Sym *s, Elf_Addr *p, unsigned long v)
44{
45
46	if (ELF_R_TYPE(r->r_info) == RELOC_RELATIVE) {
47		*p += v;
48	} else if (ELF_R_TYPE(r->r_info) == RELOC_GLOB_DAT) {
49		*p += v + s->st_value;
50	} else if (ELF_R_TYPE(r->r_info) == RELOC_32) {
51		*p += v + s->st_value;
52	} else {
53		_dl_exit(6);
54	}
55}
56
57#define RELOC_GOT(obj, offs)
58
59#endif /* _I386_ARCHDEP_H_ */
60