xref: /titanic_41/usr/src/cmd/sgs/libelf/common/getphdr.c (revision 7c2fbfb345896881c631598ee3852ce9ce33fb07)
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 #include "msg.h"
35 
36 
37 static void*
38 getphdr(Elf * elf, int class)
39 {
40 	void *	rc;
41 	if (elf == 0)
42 		return (0);
43 	ELFWLOCK(elf);
44 	if (elf->ed_class != class) {
45 		_elf_seterr(EREQ_CLASS, 0);
46 		ELFUNLOCK(elf);
47 		return (0);
48 	}
49 	if (elf->ed_phdr == 0)
50 		(void) _elf_cook(elf);
51 	rc = elf->ed_phdr;
52 	ELFUNLOCK(elf);
53 	return (rc);
54 }
55 
56 
57 Elf32_Phdr *
58 elf32_getphdr(Elf * elf)
59 {
60 	return ((Elf32_Phdr*) getphdr(elf, ELFCLASS32));
61 }
62 
63 Elf64_Phdr *
64 elf64_getphdr(Elf * elf)
65 {
66 	return ((Elf64_Phdr*) getphdr(elf, ELFCLASS64));
67 }
68