1 /*
   2  * Copyright (c) 2000, 2006, 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 bool OneContigSpaceCardGeneration::is_in(const void* p) const {
  26   return the_space()->is_in(p);
  27 }
  28 
  29 
  30 WaterMark OneContigSpaceCardGeneration::top_mark() {
  31   return the_space()->top_mark();
  32 }
  33 
  34 CompactibleSpace*
  35 OneContigSpaceCardGeneration::first_compaction_space() const {
  36   return the_space();
  37 }
  38 
  39 HeapWord* OneContigSpaceCardGeneration::allocate(size_t word_size,
  40                                                  bool is_tlab) {
  41   assert(!is_tlab, "OneContigSpaceCardGeneration does not support TLAB allocation");
  42   return the_space()->allocate(word_size);
  43 }
  44 
  45 HeapWord* OneContigSpaceCardGeneration::par_allocate(size_t word_size,
  46                                                      bool is_tlab) {
  47   assert(!is_tlab, "OneContigSpaceCardGeneration does not support TLAB allocation");
  48   return the_space()->par_allocate(word_size);
  49 }
  50 
  51 WaterMark OneContigSpaceCardGeneration::bottom_mark() {
  52   return the_space()->bottom_mark();
  53 }
  54 
  55 size_t OneContigSpaceCardGeneration::block_size(const HeapWord* addr) const {
  56   if (addr < the_space()->top()) return oop(addr)->size();
  57   else {
  58     assert(addr == the_space()->top(), "non-block head arg to block_size");
  59     return the_space()->_end - the_space()->top();
  60   }
  61 }
  62 
  63 bool OneContigSpaceCardGeneration::block_is_obj(const HeapWord* addr) const {
  64   return addr < the_space()->top();
  65 }