ef_sparc64.c revision 109607
1109607Sjake/*- 2109607Sjake * Copyright (c) 2003 Jake Burkholder. 3109607Sjake * All rights reserved. 4109607Sjake * 5109607Sjake * Redistribution and use in source and binary forms, with or without 6109607Sjake * modification, are permitted provided that the following conditions 7109607Sjake * are met: 8109607Sjake * 1. Redistributions of source code must retain the above copyright 9109607Sjake * notice, this list of conditions and the following disclaimer. 10109607Sjake * 2. Redistributions in binary form must reproduce the above copyright 11109607Sjake * notice, this list of conditions and the following disclaimer in the 12109607Sjake * documentation and/or other materials provided with the distribution. 13109607Sjake * 14109607Sjake * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15109607Sjake * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16109607Sjake * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17109607Sjake * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18109607Sjake * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19109607Sjake * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20109607Sjake * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21109607Sjake * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22109607Sjake * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23109607Sjake * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24109607Sjake * SUCH DAMAGE. 25109607Sjake * 26109607Sjake * $FreeBSD: head/usr.sbin/kldxref/ef_sparc64.c 109607 2003-01-21 03:51:53Z jake $ 27109607Sjake */ 28109607Sjake 29109607Sjake#include <sys/types.h> 30109607Sjake#include <machine/elf.h> 31109607Sjake 32109607Sjake#include <err.h> 33109607Sjake#include <string.h> 34109607Sjake 35109607Sjake#include "ef.h" 36109607Sjake 37109607Sjake/* 38109607Sjake * Apply relocations to the values we got from the file. 39109607Sjake */ 40109607Sjakeint 41109607Sjakeef_reloc(elf_file_t ef, Elf_Off offset, size_t len, void *dest) 42109607Sjake{ 43109607Sjake const Elf_Rela *a; 44109607Sjake Elf_Word w; 45109607Sjake 46109607Sjake for (a = ef->ef_rela; a < &ef->ef_rela[ef->ef_relasz]; a++) { 47109607Sjake if (a->r_offset >= offset && a->r_offset < offset + len) { 48109607Sjake switch (ELF_R_TYPE(a->r_info)) { 49109607Sjake case R_SPARC_RELATIVE: 50109607Sjake /* load address is 0 */ 51109607Sjake w = a->r_addend; 52109607Sjake memcpy((u_char *)dest + (a->r_offset - offset), 53109607Sjake &w, sizeof(w)); 54109607Sjake break; 55109607Sjake default: 56109607Sjake warnx("unhandled relocation type %u", 57109607Sjake ELF_R_TYPE(a->r_info)); 58109607Sjake break; 59109607Sjake } 60109607Sjake } 61109607Sjake } 62109607Sjake return (0); 63109607Sjake} 64