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 #pragma ident "%Z%%M% %I% %E% SMI"
31
32 #include "libelf.h"
33 #include "decl.h"
34
35
36 char *
elf_rawfile(Elf * elf,size_t * ptr)37 elf_rawfile(Elf *elf, size_t *ptr)
38 {
39 register size_t sz;
40 char *p = 0;
41
42 if (elf == 0) {
43 if (ptr != 0)
44 *ptr = 0;
45 return (0);
46 }
47
48 ELFWLOCK(elf)
49 if ((sz = elf->ed_fsz) == 0) {
50 if (ptr != 0)
51 *ptr = 0;
52 ELFUNLOCK(elf)
53 return (0);
54 }
55
56 if (elf->ed_raw != 0)
57 p = elf->ed_raw;
58 else if (elf->ed_status == ES_COOKED) {
59 if ((p = _elf_read(elf->ed_fd, elf->ed_baseoff, sz)) != 0) {
60 elf->ed_raw = p;
61 elf->ed_myflags |= EDF_RAWALLOC;
62 } else
63 sz = 0;
64 } else {
65 p = elf->ed_raw = elf->ed_ident;
66 elf->ed_status = ES_FROZEN;
67 if (_elf_vm(elf, (size_t)0, elf->ed_fsz) != OK_YES) {
68 p = 0;
69 sz = 0;
70 }
71 }
72 if (ptr != 0)
73 *ptr = sz;
74 ELFUNLOCK(elf)
75 return (p);
76 }
77