1*a1b5ec25Sjsg /*-
2*a1b5ec25Sjsg * Copyright (c) 2011 Joseph Koshy
3*a1b5ec25Sjsg * All rights reserved.
4*a1b5ec25Sjsg *
5*a1b5ec25Sjsg * Redistribution and use in source and binary forms, with or without
6*a1b5ec25Sjsg * modification, are permitted provided that the following conditions
7*a1b5ec25Sjsg * are met:
8*a1b5ec25Sjsg * 1. Redistributions of source code must retain the above copyright
9*a1b5ec25Sjsg * notice, this list of conditions and the following disclaimer.
10*a1b5ec25Sjsg * 2. Redistributions in binary form must reproduce the above copyright
11*a1b5ec25Sjsg * notice, this list of conditions and the following disclaimer in the
12*a1b5ec25Sjsg * documentation and/or other materials provided with the distribution.
13*a1b5ec25Sjsg *
14*a1b5ec25Sjsg * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15*a1b5ec25Sjsg * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16*a1b5ec25Sjsg * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17*a1b5ec25Sjsg * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18*a1b5ec25Sjsg * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19*a1b5ec25Sjsg * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20*a1b5ec25Sjsg * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21*a1b5ec25Sjsg * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22*a1b5ec25Sjsg * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23*a1b5ec25Sjsg * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24*a1b5ec25Sjsg * SUCH DAMAGE.
25*a1b5ec25Sjsg */
26*a1b5ec25Sjsg
27*a1b5ec25Sjsg #include <libelf.h>
28*a1b5ec25Sjsg
29*a1b5ec25Sjsg #include "_libelf.h"
30*a1b5ec25Sjsg
31*a1b5ec25Sjsg ELFTC_VCSID("$Id: elf_open.c,v 1.1 2019/02/01 05:27:37 jsg Exp $");
32*a1b5ec25Sjsg
33*a1b5ec25Sjsg /*
34*a1b5ec25Sjsg * Extension API: open a file for reading, ignoring parse errors.
35*a1b5ec25Sjsg */
36*a1b5ec25Sjsg
37*a1b5ec25Sjsg Elf *
elf_open(int fd)38*a1b5ec25Sjsg elf_open(int fd)
39*a1b5ec25Sjsg {
40*a1b5ec25Sjsg if (LIBELF_PRIVATE(version) == EV_NONE) {
41*a1b5ec25Sjsg LIBELF_SET_ERROR(SEQUENCE, 0);
42*a1b5ec25Sjsg return (NULL);
43*a1b5ec25Sjsg }
44*a1b5ec25Sjsg
45*a1b5ec25Sjsg return (_libelf_open_object(fd, ELF_C_READ, 0));
46*a1b5ec25Sjsg }
47*a1b5ec25Sjsg
48*a1b5ec25Sjsg /*
49*a1b5ec25Sjsg * Extension API: create an ELF descriptor for an in-memory object,
50*a1b5ec25Sjsg * ignoring parse errors.
51*a1b5ec25Sjsg */
52*a1b5ec25Sjsg
53*a1b5ec25Sjsg Elf *
elf_openmemory(char * image,size_t sz)54*a1b5ec25Sjsg elf_openmemory(char *image, size_t sz)
55*a1b5ec25Sjsg {
56*a1b5ec25Sjsg if (LIBELF_PRIVATE(version) == EV_NONE) {
57*a1b5ec25Sjsg LIBELF_SET_ERROR(SEQUENCE, 0);
58*a1b5ec25Sjsg return (NULL);
59*a1b5ec25Sjsg }
60*a1b5ec25Sjsg
61*a1b5ec25Sjsg if (image == NULL || sz == 0) {
62*a1b5ec25Sjsg LIBELF_SET_ERROR(ARGUMENT, 0);
63*a1b5ec25Sjsg return (NULL);
64*a1b5ec25Sjsg }
65*a1b5ec25Sjsg
66*a1b5ec25Sjsg return (_libelf_memory((unsigned char *) image, sz, 0));
67*a1b5ec25Sjsg }
68