libelf_shdr.c revision 1.3
1/* $NetBSD: libelf_shdr.c,v 1.3 2016/02/20 02:43:42 christos Exp $ */ 2 3/*- 4 * Copyright (c) 2006,2008 Joseph Koshy 5 * All rights reserved. 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 AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY 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#include <gelf.h> 30#include <libelf.h> 31 32#include "_libelf.h" 33 34__RCSID("$NetBSD: libelf_shdr.c,v 1.3 2016/02/20 02:43:42 christos Exp $"); 35ELFTC_VCSID("Id: libelf_shdr.c 3174 2015-03-27 17:13:41Z emaste "); 36 37void * 38_libelf_getshdr(Elf_Scn *s, int ec) 39{ 40 Elf *e; 41 42 if (s == NULL || (e = s->s_elf) == NULL || 43 e->e_kind != ELF_K_ELF) { 44 LIBELF_SET_ERROR(ARGUMENT, 0); 45 return (NULL); 46 } 47 48 if (ec == ELFCLASSNONE) 49 ec = e->e_class; 50 51 if (ec != e->e_class) { 52 LIBELF_SET_ERROR(CLASS, 0); 53 return (NULL); 54 } 55 56 return ((void *) &s->s_shdr); 57} 58