xref: /titanic_50/usr/src/cmd/sgs/libelf/common/getphdr.c (revision 7257d1b4d25bfac0c802847390e98a464fd787ac)
17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate  * CDDL HEADER START
37c478bd9Sstevel@tonic-gate  *
47c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*7257d1b4Sraf  * Common Development and Distribution License (the "License").
6*7257d1b4Sraf  * You may not use this file except in compliance with the License.
77c478bd9Sstevel@tonic-gate  *
87c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
97c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
107c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
117c478bd9Sstevel@tonic-gate  * and limitations under the License.
127c478bd9Sstevel@tonic-gate  *
137c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
147c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
157c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
167c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
177c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
187c478bd9Sstevel@tonic-gate  *
197c478bd9Sstevel@tonic-gate  * CDDL HEADER END
207c478bd9Sstevel@tonic-gate  */
21*7257d1b4Sraf 
22*7257d1b4Sraf /*
23*7257d1b4Sraf  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24*7257d1b4Sraf  * Use is subject to license terms.
25*7257d1b4Sraf  */
26*7257d1b4Sraf 
277c478bd9Sstevel@tonic-gate /*	Copyright (c) 1988 AT&T	*/
287c478bd9Sstevel@tonic-gate /*	  All Rights Reserved  	*/
297c478bd9Sstevel@tonic-gate 
30*7257d1b4Sraf #pragma ident	"%Z%%M%	%I%	%E% SMI"
317c478bd9Sstevel@tonic-gate 
327c478bd9Sstevel@tonic-gate #include "libelf.h"
337c478bd9Sstevel@tonic-gate #include "decl.h"
347c478bd9Sstevel@tonic-gate #include "msg.h"
357c478bd9Sstevel@tonic-gate 
367c478bd9Sstevel@tonic-gate 
377c478bd9Sstevel@tonic-gate static void*
getphdr(Elf * elf,int class)387c478bd9Sstevel@tonic-gate getphdr(Elf * elf, int class)
397c478bd9Sstevel@tonic-gate {
407c478bd9Sstevel@tonic-gate 	void *	rc;
417c478bd9Sstevel@tonic-gate 	if (elf == 0)
427c478bd9Sstevel@tonic-gate 		return (0);
437c478bd9Sstevel@tonic-gate 	ELFWLOCK(elf);
447c478bd9Sstevel@tonic-gate 	if (elf->ed_class != class) {
457c478bd9Sstevel@tonic-gate 		_elf_seterr(EREQ_CLASS, 0);
467c478bd9Sstevel@tonic-gate 		ELFUNLOCK(elf);
477c478bd9Sstevel@tonic-gate 		return (0);
487c478bd9Sstevel@tonic-gate 	}
497c478bd9Sstevel@tonic-gate 	if (elf->ed_phdr == 0)
507c478bd9Sstevel@tonic-gate 		(void) _elf_cook(elf);
517c478bd9Sstevel@tonic-gate 	rc = elf->ed_phdr;
527c478bd9Sstevel@tonic-gate 	ELFUNLOCK(elf);
537c478bd9Sstevel@tonic-gate 	return (rc);
547c478bd9Sstevel@tonic-gate }
557c478bd9Sstevel@tonic-gate 
567c478bd9Sstevel@tonic-gate 
577c478bd9Sstevel@tonic-gate Elf32_Phdr *
elf32_getphdr(Elf * elf)587c478bd9Sstevel@tonic-gate elf32_getphdr(Elf * elf)
597c478bd9Sstevel@tonic-gate {
607c478bd9Sstevel@tonic-gate 	return ((Elf32_Phdr*) getphdr(elf, ELFCLASS32));
617c478bd9Sstevel@tonic-gate }
627c478bd9Sstevel@tonic-gate 
637c478bd9Sstevel@tonic-gate Elf64_Phdr *
elf64_getphdr(Elf * elf)647c478bd9Sstevel@tonic-gate elf64_getphdr(Elf * elf)
657c478bd9Sstevel@tonic-gate {
667c478bd9Sstevel@tonic-gate 	return ((Elf64_Phdr*) getphdr(elf, ELFCLASS64));
677c478bd9Sstevel@tonic-gate }
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