1 /* $OpenBSD: archdep.h,v 1.3 2021/11/14 22:07:39 guenther Exp $ */ 2 3 /* 4 * Copyright (c) 2021 Dale Rahn <drahn@openbsd.org> 5 * Copyright (c) 1998 Per Fogelstrom, Opsycon AB 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 17 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 */ 29 30 #ifndef _AARCH64_ARCHDEP_H_ 31 #define _AARCH64_ARCHDEP_H_ 32 33 #define RELOC_TAG DT_RELA 34 #define MACHID EM_RISCV /* 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 42 /* Only used in lib/csu/boot.h */ 43 static inline void 44 RELOC_DYN(Elf_RelA *r, const Elf_Sym *s, Elf_Addr *p, unsigned long v) 45 { 46 if (ELF_R_TYPE(r->r_info) == R_RISCV_RELATIVE) { 47 *p = v + r->r_addend; 48 } else if (ELF_R_TYPE(r->r_info) == R_RISCV_64) { 49 *p = v + s->st_value + r->r_addend; 50 } else { 51 _dl_exit(6); 52 } 53 } 54 55 #endif /* _AARCH64_ARCHDEP_H_ */ 56