ysr@777: /*
stefank@2314:  * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved.
ysr@777:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
ysr@777:  *
ysr@777:  * This code is free software; you can redistribute it and/or modify it
ysr@777:  * under the terms of the GNU General Public License version 2 only, as
ysr@777:  * published by the Free Software Foundation.
ysr@777:  *
ysr@777:  * This code is distributed in the hope that it will be useful, but WITHOUT
ysr@777:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
ysr@777:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
ysr@777:  * version 2 for more details (a copy is included in the LICENSE file that
ysr@777:  * accompanied this code).
ysr@777:  *
ysr@777:  * You should have received a copy of the GNU General Public License version
ysr@777:  * 2 along with this work; if not, write to the Free Software Foundation,
ysr@777:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
ysr@777:  *
trims@1907:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907:  * or visit www.oracle.com if you need additional information or have any
trims@1907:  * questions.
ysr@777:  *
ysr@777:  */
ysr@777: 
stefank@2314: #ifndef SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSEQ_INLINE_HPP
stefank@2314: #define SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSEQ_INLINE_HPP
stefank@2314: 
stefank@2314: #include "gc_implementation/g1/heapRegionSeq.hpp"
stefank@2314: 
ysr@777: inline HeapRegion* HeapRegionSeq::addr_to_region(const void* addr) {
ysr@777:   assert(_seq_bottom != NULL, "bad _seq_bottom in addr_to_region");
ysr@777:   if ((char*) addr >= _seq_bottom) {
ysr@777:     size_t diff = (size_t) pointer_delta((HeapWord*) addr,
ysr@777:                                          (HeapWord*) _seq_bottom);
ysr@777:     int index = (int) (diff >> HeapRegion::LogOfHRGrainWords);
ysr@777:     assert(index >= 0, "invariant / paranoia");
ysr@777:     if (index < _regions.length()) {
ysr@777:       HeapRegion* hr = _regions.at(index);
ysr@777:       assert(hr->is_in_reserved(addr),
ysr@777:              "addr_to_region is wrong...");
ysr@777:       return hr;
ysr@777:     }
ysr@777:   }
ysr@777:   return NULL;
ysr@777: }
stefank@2314: 
stefank@2314: #endif // SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSEQ_INLINE_HPP