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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved. 24 */ 25 #ifndef _INLINE_GEN_H 26 #define _INLINE_GEN_H 27 28 #include <sys/types.h> 29 #include <sys/mman.h> 30 #include <rtld.h> 31 32 inline static mmapobj_result_t * 33 find_segment(caddr_t roffset, Rt_map *lmp) 34 { 35 mmapobj_result_t *mpp = MMAPS(lmp); 36 uint_t mnum = MMAPCNT(lmp); 37 38 /* 39 * Scan segments backwards. The heaviest use of this function stems 40 * from relocation processing. And typically, relocations are against 41 * the data segment. By scanning segments in reverse order, the data 42 * segment is processed first. 43 */ 44 for (mpp += (mnum - 1); mnum; mnum--, mpp--) { 45 if ((roffset >= (mpp->mr_addr + mpp->mr_offset)) && 46 (roffset < (mpp->mr_addr + mpp->mr_msize))) 47 return (mpp); 48 } 49 return (NULL); 50 } 51 52 #endif /* _INLINE_GEN_H */ 53