xref: /illumos-gate/usr/src/cmd/sgs/libelf/common/getphdr.c (revision 40cb5e5daa7b80bb70fcf8dadfb20f9281566331)
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, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*	Copyright (c) 1988 AT&T	*/
23 /*	  All Rights Reserved  	*/
24 
25 
26 /*
27  * Copyright (c) 1998 by Sun Microsystems, Inc.
28  * All rights reserved.
29  */
30 
31 
32 #pragma ident	"%Z%%M%	%I%	%E% SMI" 	/* SVr4.0 1.10	*/
33 
34 #pragma weak	elf32_getphdr = _elf32_getphdr
35 
36 
37 #include "syn.h"
38 #include "libelf.h"
39 #include "decl.h"
40 #include "msg.h"
41 
42 
43 static void*
44 getphdr(Elf * elf, int class)
45 {
46 	void *	rc;
47 	if (elf == 0)
48 		return (0);
49 	ELFWLOCK(elf);
50 	if (elf->ed_class != class) {
51 		_elf_seterr(EREQ_CLASS, 0);
52 		ELFUNLOCK(elf);
53 		return (0);
54 	}
55 	if (elf->ed_phdr == 0)
56 		(void) _elf_cook(elf);
57 	rc = elf->ed_phdr;
58 	ELFUNLOCK(elf);
59 	return (rc);
60 }
61 
62 
63 Elf32_Phdr *
64 elf32_getphdr(Elf * elf)
65 {
66 	return ((Elf32_Phdr*) getphdr(elf, ELFCLASS32));
67 }
68 
69 Elf64_Phdr *
70 elf64_getphdr(Elf * elf)
71 {
72 	return ((Elf64_Phdr*) getphdr(elf, ELFCLASS64));
73 }
74