1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 /* Copyright (c) 1988 AT&T */
28 /* All Rights Reserved */
29
30 #include "libelf.h"
31 #include "decl.h"
32
33
34 char *
elf_rawfile(Elf * elf,size_t * ptr)35 elf_rawfile(Elf *elf, size_t *ptr)
36 {
37 register size_t sz;
38 char *p = 0;
39
40 if (elf == 0) {
41 if (ptr != 0)
42 *ptr = 0;
43 return (0);
44 }
45
46 ELFWLOCK(elf)
47 if ((sz = elf->ed_fsz) == 0) {
48 if (ptr != 0)
49 *ptr = 0;
50 ELFUNLOCK(elf)
51 return (0);
52 }
53
54 if (elf->ed_raw != 0)
55 p = elf->ed_raw;
56 else if (elf->ed_status == ES_COOKED) {
57 if ((p = _elf_read(elf->ed_fd, elf->ed_baseoff, sz)) != 0) {
58 elf->ed_raw = p;
59 elf->ed_myflags |= EDF_RAWALLOC;
60 } else
61 sz = 0;
62 } else {
63 p = elf->ed_raw = elf->ed_ident;
64 elf->ed_status = ES_FROZEN;
65 if (_elf_vm(elf, (size_t)0, elf->ed_fsz) != OK_YES) {
66 p = 0;
67 sz = 0;
68 }
69 }
70 if (ptr != 0)
71 *ptr = sz;
72 ELFUNLOCK(elf)
73 return (p);
74 }
75