1 /* $NetBSD: elf_open.c,v 1.3 2016/02/20 02:43:42 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 2011 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 <libelf.h> 30 31 #include "_libelf.h" 32 33 __RCSID("$NetBSD: elf_open.c,v 1.3 2016/02/20 02:43:42 christos Exp $"); 34 ELFTC_VCSID("Id"); 35 36 /* 37 * Extension API: open a file for reading, ignoring parse errors. 38 */ 39 40 Elf * 41 elf_open(int fd) 42 { 43 if (LIBELF_PRIVATE(version) == EV_NONE) { 44 LIBELF_SET_ERROR(SEQUENCE, 0); 45 return (NULL); 46 } 47 48 return (_libelf_open_object(fd, ELF_C_READ, 0)); 49 } 50 51 /* 52 * Extension API: create an ELF descriptor for an in-memory object, 53 * ignoring parse errors. 54 */ 55 56 Elf * 57 elf_openmemory(char *image, size_t sz) 58 { 59 if (LIBELF_PRIVATE(version) == EV_NONE) { 60 LIBELF_SET_ERROR(SEQUENCE, 0); 61 return (NULL); 62 } 63 64 if (image == NULL || sz == 0) { 65 LIBELF_SET_ERROR(ARGUMENT, 0); 66 return (NULL); 67 } 68 69 return (_libelf_memory((unsigned char *) image, sz, 0)); 70 } 71