/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1990, 2010, Oracle and/or its affiliates. All rights reserved.
*/
/* Copyright (c) 1988 AT&T */
/* All Rights Reserved */
#include <ar.h>
#include "libelf.h"
#include "decl.h"
off_t
elf_getbase(Elf *elf)
{
off_t rc;
if (elf == NULL)
return (-1);
ELFRLOCK(elf)
rc = elf->ed_baseoff;
ELFUNLOCK(elf)
return (rc);
}
/*
* Private function to obtain the offset of the archive header for
* this archive member. The header directly precedes the base offset,
* which is available via elf_getbase(), but we wish to isolate the
* caller from implementation details that might change.
*
* Returns the offset on success, and -1 on failure.
*/
off_t
_elf_getarhdrbase(Elf *elf)
{
off_t rc;
if (elf == NULL)
return (-1);
ELFRLOCK(elf)
if (elf->ed_parent == NULL) {
_elf_seterr(EREQ_AR, 0);
ELFUNLOCK(elf);
return (-1);
}
rc = elf->ed_baseoff - sizeof (struct ar_hdr);
ELFUNLOCK(elf)
return (rc);
}