1*0a6a1f1dSLionel Sambuc /* $NetBSD: elf_open.c,v 1.2 2014/03/09 16:58:04 christos Exp $ */
2*0a6a1f1dSLionel Sambuc
3*0a6a1f1dSLionel Sambuc /*-
4*0a6a1f1dSLionel Sambuc * Copyright (c) 2011 Joseph Koshy
5*0a6a1f1dSLionel Sambuc * All rights reserved.
6*0a6a1f1dSLionel Sambuc *
7*0a6a1f1dSLionel Sambuc * Redistribution and use in source and binary forms, with or without
8*0a6a1f1dSLionel Sambuc * modification, are permitted provided that the following conditions
9*0a6a1f1dSLionel Sambuc * are met:
10*0a6a1f1dSLionel Sambuc * 1. Redistributions of source code must retain the above copyright
11*0a6a1f1dSLionel Sambuc * notice, this list of conditions and the following disclaimer.
12*0a6a1f1dSLionel Sambuc * 2. Redistributions in binary form must reproduce the above copyright
13*0a6a1f1dSLionel Sambuc * notice, this list of conditions and the following disclaimer in the
14*0a6a1f1dSLionel Sambuc * documentation and/or other materials provided with the distribution.
15*0a6a1f1dSLionel Sambuc *
16*0a6a1f1dSLionel Sambuc * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17*0a6a1f1dSLionel Sambuc * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18*0a6a1f1dSLionel Sambuc * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19*0a6a1f1dSLionel Sambuc * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20*0a6a1f1dSLionel Sambuc * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21*0a6a1f1dSLionel Sambuc * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22*0a6a1f1dSLionel Sambuc * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23*0a6a1f1dSLionel Sambuc * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24*0a6a1f1dSLionel Sambuc * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25*0a6a1f1dSLionel Sambuc * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26*0a6a1f1dSLionel Sambuc * SUCH DAMAGE.
27*0a6a1f1dSLionel Sambuc */
28*0a6a1f1dSLionel Sambuc
29*0a6a1f1dSLionel Sambuc #include <libelf.h>
30*0a6a1f1dSLionel Sambuc
31*0a6a1f1dSLionel Sambuc #include "_libelf.h"
32*0a6a1f1dSLionel Sambuc
33*0a6a1f1dSLionel Sambuc __RCSID("$NetBSD: elf_open.c,v 1.2 2014/03/09 16:58:04 christos Exp $");
34*0a6a1f1dSLionel Sambuc ELFTC_VCSID("Id");
35*0a6a1f1dSLionel Sambuc
36*0a6a1f1dSLionel Sambuc /*
37*0a6a1f1dSLionel Sambuc * Extension API: open a file for reading, ignoring parse errors.
38*0a6a1f1dSLionel Sambuc */
39*0a6a1f1dSLionel Sambuc
40*0a6a1f1dSLionel Sambuc Elf *
elf_open(int fd)41*0a6a1f1dSLionel Sambuc elf_open(int fd)
42*0a6a1f1dSLionel Sambuc {
43*0a6a1f1dSLionel Sambuc if (LIBELF_PRIVATE(version) == EV_NONE) {
44*0a6a1f1dSLionel Sambuc LIBELF_SET_ERROR(SEQUENCE, 0);
45*0a6a1f1dSLionel Sambuc return (NULL);
46*0a6a1f1dSLionel Sambuc }
47*0a6a1f1dSLionel Sambuc
48*0a6a1f1dSLionel Sambuc return (_libelf_open_object(fd, ELF_C_READ, 0));
49*0a6a1f1dSLionel Sambuc }
50*0a6a1f1dSLionel Sambuc
51*0a6a1f1dSLionel Sambuc /*
52*0a6a1f1dSLionel Sambuc * Extension API: create an ELF descriptor for an in-memory object,
53*0a6a1f1dSLionel Sambuc * ignoring parse errors.
54*0a6a1f1dSLionel Sambuc */
55*0a6a1f1dSLionel Sambuc
56*0a6a1f1dSLionel Sambuc Elf *
elf_openmemory(char * image,size_t sz)57*0a6a1f1dSLionel Sambuc elf_openmemory(char *image, size_t sz)
58*0a6a1f1dSLionel Sambuc {
59*0a6a1f1dSLionel Sambuc if (LIBELF_PRIVATE(version) == EV_NONE) {
60*0a6a1f1dSLionel Sambuc LIBELF_SET_ERROR(SEQUENCE, 0);
61*0a6a1f1dSLionel Sambuc return (NULL);
62*0a6a1f1dSLionel Sambuc }
63*0a6a1f1dSLionel Sambuc
64*0a6a1f1dSLionel Sambuc if (image == NULL || sz == 0) {
65*0a6a1f1dSLionel Sambuc LIBELF_SET_ERROR(ARGUMENT, 0);
66*0a6a1f1dSLionel Sambuc return (NULL);
67*0a6a1f1dSLionel Sambuc }
68*0a6a1f1dSLionel Sambuc
69*0a6a1f1dSLionel Sambuc return (_libelf_memory(image, sz, 0));
70*0a6a1f1dSLionel Sambuc }
71