1 /*- 2 * Copyright (c) 2011 Joseph Koshy 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 #include <libelf.h> 28 29 #include "_libelf.h" 30 31 ELFTC_VCSID("$Id$"); 32 33 /* 34 * Extension API: open a file for reading, ignoring parse errors. 35 */ 36 37 Elf * 38 elf_open(int fd) 39 { 40 if (LIBELF_PRIVATE(version) == EV_NONE) { 41 LIBELF_SET_ERROR(SEQUENCE, 0); 42 return (NULL); 43 } 44 45 return (_libelf_open_object(fd, ELF_C_READ, 0)); 46 } 47 48 /* 49 * Extension API: create an ELF descriptor for an in-memory object, 50 * ignoring parse errors. 51 */ 52 53 Elf * 54 elf_openmemory(char *image, size_t sz) 55 { 56 if (LIBELF_PRIVATE(version) == EV_NONE) { 57 LIBELF_SET_ERROR(SEQUENCE, 0); 58 return (NULL); 59 } 60 61 if (image == NULL || sz == 0) { 62 LIBELF_SET_ERROR(ARGUMENT, 0); 63 return (NULL); 64 } 65 66 return (_libelf_memory((unsigned char *) image, sz, 0)); 67 } 68