ysr@777: /*
tonyp@2963:  * Copyright (c) 2001, 2011, 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: 
tonyp@2963: #include "gc_implementation/g1/heapRegion.hpp"
stefank@2314: #include "gc_implementation/g1/heapRegionSeq.hpp"
stefank@2314: 
tonyp@2963: inline size_t HeapRegionSeq::addr_to_index_biased(HeapWord* addr) const {
tonyp@2963:   assert(_heap_bottom <= addr && addr < _heap_end,
tonyp@2963:          err_msg("addr: "PTR_FORMAT" bottom: "PTR_FORMAT" end: "PTR_FORMAT,
tonyp@2963:                  addr, _heap_bottom, _heap_end));
tonyp@2963:   size_t index = (size_t) addr >> _region_shift;
tonyp@2963:   return index;
tonyp@2963: }
tonyp@2963: 
tonyp@2963: inline HeapRegion* HeapRegionSeq::addr_to_region_unsafe(HeapWord* addr) const {
tonyp@2963:   assert(_heap_bottom <= addr && addr < _heap_end,
tonyp@2963:          err_msg("addr: "PTR_FORMAT" bottom: "PTR_FORMAT" end: "PTR_FORMAT,
tonyp@2963:                  addr, _heap_bottom, _heap_end));
tonyp@2963:   size_t index_biased = addr_to_index_biased(addr);
tonyp@2963:   HeapRegion* hr = _regions_biased[index_biased];
tonyp@2963:   assert(hr != NULL, "invariant");
tonyp@2963:   return hr;
tonyp@2963: }
tonyp@2963: 
tonyp@2963: inline HeapRegion* HeapRegionSeq::addr_to_region(HeapWord* addr) const {
tonyp@2963:   if (addr != NULL && addr < _heap_end) {
tonyp@2963:     assert(addr >= _heap_bottom,
tonyp@2963:           err_msg("addr: "PTR_FORMAT" bottom: "PTR_FORMAT, addr, _heap_bottom));
tonyp@2963:     return addr_to_region_unsafe(addr);
ysr@777:   }
ysr@777:   return NULL;
ysr@777: }
stefank@2314: 
tonyp@2963: inline HeapRegion* HeapRegionSeq::at(size_t index) const {
tonyp@2963:   assert(index < length(), "pre-condition");
tonyp@2963:   HeapRegion* hr = _regions[index];
tonyp@2963:   assert(hr != NULL, "sanity");
tonyp@2963:   assert(hr->hrs_index() == index, "sanity");
tonyp@2963:   return hr;
tonyp@2963: }
tonyp@2963: 
stefank@2314: #endif // SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSEQ_INLINE_HPP