xref: /illumos-gate/usr/src/cmd/sgs/libelf/common/getshdr.c (revision 8b80e8cb6855118d46f605e91b5ed4ce83417395)
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 getshdr(Elf_Scn * scn, int class)
39 {
40 	void *	rc;
41 	Elf *	elf;
42 	if (scn == 0)
43 		return (0);
44 	elf = scn->s_elf;
45 	READLOCKS(elf, scn)
46 	if (elf->ed_class != class) {
47 		READUNLOCKS(elf, scn)
48 		_elf_seterr(EREQ_CLASS, 0);
49 		return (0);
50 	}
51 
52 	rc = scn->s_shdr;
53 	READUNLOCKS(elf, scn)
54 	return (rc);
55 }
56 
57 Elf32_Shdr *
58 elf32_getshdr(Elf_Scn * scn)
59 {
60 	return ((Elf32_Shdr*) getshdr(scn, ELFCLASS32));
61 }
62 
63 Elf64_Shdr *
64 elf64_getshdr(Elf_Scn * scn)
65 {
66 	return ((Elf64_Shdr*) getshdr(scn, ELFCLASS64));
67 }
68