_inline_gen.h revision f441771b0ce9f9d6122d318ff8290cb1a2848f9d
/*
* 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) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
*/
#ifndef _INLINE_GEN_H
#define _INLINE_GEN_H
#include <sys/types.h>
#include <sys/mman.h>
#include <rtld.h>
inline static mmapobj_result_t *
find_segment(caddr_t roffset, Rt_map *lmp)
{
mmapobj_result_t *mpp = MMAPS(lmp);
uint_t mnum = MMAPCNT(lmp);
/*
* Scan segments backwards. The heaviest use of this function stems
* from relocation processing. And typically, relocations are against
* the data segment. By scanning segments in reverse order, the data
* segment is processed first.
*/
for (mpp += (mnum - 1); mnum; mnum--, mpp--) {
if ((roffset >= (mpp->mr_addr + mpp->mr_offset)) &&
(roffset < (mpp->mr_addr + mpp->mr_msize)))
return (mpp);
}
return (NULL);
}
#endif /* _INLINE_GEN_H */