1 /*
   2  * Copyright (c) 2001, 2010, 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_MEMORY_BARRIERSET_INLINE_HPP
  26 #define SHARE_VM_MEMORY_BARRIERSET_INLINE_HPP
  27 
  28 #include "memory/barrierSet.hpp"
  29 #include "memory/cardTableModRefBS.hpp"
  30 
  31 // Inline functions of BarrierSet, which de-virtualize certain
  32 // performance-critical calls when the barrier is the most common
  33 // card-table kind.
  34 
  35 template <class T> void BarrierSet::write_ref_field_pre(T* field, oop new_val) {
  36   if (kind() == CardTableModRef) {
  37     ((CardTableModRefBS*)this)->inline_write_ref_field_pre(field, new_val);
  38   } else {
  39     write_ref_field_pre_work(field, new_val);
  40   }
  41 }
  42 
  43 void BarrierSet::write_ref_field(void* field, oop new_val, bool release) {
  44   if (kind() == CardTableModRef) {
  45     ((CardTableModRefBS*)this)->inline_write_ref_field(field, new_val, release);
  46   } else {
  47     write_ref_field_work(field, new_val, release);
  48   }
  49 }
  50 
  51 void BarrierSet::write_region(MemRegion mr) {
  52   if (kind() == CardTableModRef) {
  53     ((CardTableModRefBS*)this)->inline_write_region(mr);
  54   } else {
  55     write_region_work(mr);
  56   }
  57 }
  58 
  59 #endif // SHARE_VM_MEMORY_BARRIERSET_INLINE_HPP