1 /* $OpenBSD: archdep.h,v 1.16 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 _ARM_ARCHDEP_H_
30 #define _ARM_ARCHDEP_H_
31
32 #define RELOC_TAG DT_REL
33 #define MACHID EM_ARM /* 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(Elf_Rel * r,const Elf_Sym * s,Elf_Addr * p,unsigned long v)39 RELOC_DYN(Elf_Rel *r, const Elf_Sym *s, Elf_Addr *p, unsigned long v)
40 {
41 if (ELF_R_TYPE(r->r_info) == R_ARM_RELATIVE) {
42 *p += v;
43 } else if (ELF_R_TYPE(r->r_info) == R_ARM_GLOB_DAT) {
44 *p += v + s->st_value;
45 } else if (ELF_R_TYPE(r->r_info) == R_ARM_ABS32) {
46 *p += v + s->st_value;
47 } else {
48 _csu_abort();
49 }
50 }
51
52 #endif /* RCRT0 */
53 #endif /* _ARM_ARCHDEP_H_ */
54