xref: /onnv-gate/usr/src/cmd/sgs/libelf/common/getshdr.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*	Copyright (c) 1988 AT&T	*/
23*0Sstevel@tonic-gate /*	  All Rights Reserved  	*/
24*0Sstevel@tonic-gate 
25*0Sstevel@tonic-gate /*
26*0Sstevel@tonic-gate  * Copyright (c) 1998 by Sun Microsystems, Inc.
27*0Sstevel@tonic-gate  * All rights reserved.
28*0Sstevel@tonic-gate  */
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI" 	/* SVr4.0 1.4	*/
31*0Sstevel@tonic-gate 
32*0Sstevel@tonic-gate #pragma weak	elf32_getshdr = _elf32_getshdr
33*0Sstevel@tonic-gate 
34*0Sstevel@tonic-gate #include "syn.h"
35*0Sstevel@tonic-gate #include "libelf.h"
36*0Sstevel@tonic-gate #include "decl.h"
37*0Sstevel@tonic-gate #include "msg.h"
38*0Sstevel@tonic-gate 
39*0Sstevel@tonic-gate 
40*0Sstevel@tonic-gate static void *
41*0Sstevel@tonic-gate getshdr(Elf_Scn * scn, int class)
42*0Sstevel@tonic-gate {
43*0Sstevel@tonic-gate 	void *	rc;
44*0Sstevel@tonic-gate 	Elf *	elf;
45*0Sstevel@tonic-gate 	if (scn == 0)
46*0Sstevel@tonic-gate 		return (0);
47*0Sstevel@tonic-gate 	elf = scn->s_elf;
48*0Sstevel@tonic-gate 	READLOCKS(elf, scn)
49*0Sstevel@tonic-gate 	if (elf->ed_class != class) {
50*0Sstevel@tonic-gate 		READUNLOCKS(elf, scn)
51*0Sstevel@tonic-gate 		_elf_seterr(EREQ_CLASS, 0);
52*0Sstevel@tonic-gate 		return (0);
53*0Sstevel@tonic-gate 	}
54*0Sstevel@tonic-gate 
55*0Sstevel@tonic-gate 	rc = scn->s_shdr;
56*0Sstevel@tonic-gate 	READUNLOCKS(elf, scn)
57*0Sstevel@tonic-gate 	return (rc);
58*0Sstevel@tonic-gate }
59*0Sstevel@tonic-gate 
60*0Sstevel@tonic-gate Elf32_Shdr *
61*0Sstevel@tonic-gate elf32_getshdr(Elf_Scn * scn)
62*0Sstevel@tonic-gate {
63*0Sstevel@tonic-gate 	return ((Elf32_Shdr*) getshdr(scn, ELFCLASS32));
64*0Sstevel@tonic-gate }
65*0Sstevel@tonic-gate 
66*0Sstevel@tonic-gate Elf64_Shdr *
67*0Sstevel@tonic-gate elf64_getshdr(Elf_Scn * scn)
68*0Sstevel@tonic-gate {
69*0Sstevel@tonic-gate 	return ((Elf64_Shdr*) getshdr(scn, ELFCLASS64));
70*0Sstevel@tonic-gate }
71