1 /*
   2  * Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSEQ_INLINE_HPP
  26 #define SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSEQ_INLINE_HPP
  27 
  28 #include "gc_implementation/g1/heapRegion.hpp"
  29 #include "gc_implementation/g1/heapRegionSeq.hpp"
  30 
  31 inline HeapRegion* HeapRegionSeq::at(uint index) const {
  32   HeapRegion* hr = get(_regions, index);
  33   assert(hr != NULL, "sanity");
  34   assert(hr->hrs_index() == index, "sanity");
  35   return hr;
  36 }
  37 
  38 inline HeapRegion* HeapRegionSeq::at(HeapWord* addr) const {
  39   if (in_g1_heap(addr)) {
  40     HeapRegion* hr = get_unsafe(_regions_biased, addr);
  41     assert(hr != NULL, "if the address is valid, hr should not be NULL");
  42     return hr;
  43   }
  44   return NULL;
  45 }
  46 
  47 inline HeapRegion* HeapRegionSeq::at_unsafe(HeapWord* addr) const {
  48   HeapRegion* hr = get_unsafe(_regions_biased, addr);
  49   assert(hr != NULL, "invariant");
  50   return hr;
  51 }
  52 
  53 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSEQ_INLINE_HPP