1 /* $OpenBSD: archdep.h,v 1.24 2023/11/18 16:26:17 deraadt 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 #define MACHID EM_386 /* ELF e_machine ID value checked */
34
35 /* Only used in lib/csu/boot.h */
36 #ifdef RCRT0
37
38 static inline void
RELOC_DYN(const Elf_Rel * r,const Elf_Sym * s,Elf_Addr * p,unsigned long v)39 RELOC_DYN(const Elf_Rel *r, const Elf_Sym *s, Elf_Addr *p, unsigned long v)
40 {
41
42 if (ELF_R_TYPE(r->r_info) == RELOC_RELATIVE) {
43 *p += v;
44 } else if (ELF_R_TYPE(r->r_info) == RELOC_GLOB_DAT) {
45 *p += v + s->st_value;
46 } else if (ELF_R_TYPE(r->r_info) == RELOC_32) {
47 *p += v + s->st_value;
48 } else {
49 _csu_abort();
50 }
51 }
52
53 #endif /* RCRT0 */
54 #endif /* _I386_ARCHDEP_H_ */
55