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	"@(#)rawfile.c	1.10	08/05/31 SMI"
31
32#include "libelf.h"
33#include "decl.h"
34
35
36char *
37elf_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