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 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