hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/vmStructs_cms.hpp
author coleenp
Sat, 01 Sep 2012 13:25:18 -0400
changeset 13728 882756847a04
parent 12509 6228e2085074
child 14123 944e56f74fba
permissions -rw-r--r--
6964458: Reimplement class meta-data storage to use native memory Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>

/*
 * Copyright (c) 2007, 2012, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 *
 */

#ifndef SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_VMSTRUCTS_CMS_HPP
#define SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_VMSTRUCTS_CMS_HPP

#define VM_STRUCTS_CMS(nonstatic_field, \
                   volatile_nonstatic_field, \
                   static_field) \
  nonstatic_field(CompactibleFreeListSpace,    _collector,                                    CMSCollector*)                         \
  nonstatic_field(CompactibleFreeListSpace,    _bt,                                           BlockOffsetArrayNonContigSpace)        \
                                                                                                                                     \
  nonstatic_field(CMSBitMap,                   _bmWordSize,                                   size_t)                                \
  nonstatic_field(CMSBitMap,                   _shifter,                                      const int)                            \
  nonstatic_field(CMSBitMap,                      _bm,                                           BitMap)                            \
  nonstatic_field(CMSBitMap,                   _virtual_space,                                VirtualSpace)                         \
  nonstatic_field(CMSCollector,                _markBitMap,                                   CMSBitMap)                             \
  nonstatic_field(ConcurrentMarkSweepGeneration, _cmsSpace,                                   CompactibleFreeListSpace*)             \
     static_field(ConcurrentMarkSweepThread,   _collector,                                    CMSCollector*)                         \
  volatile_nonstatic_field(FreeChunk,          _size,                                         size_t)                                \
  nonstatic_field(FreeChunk,                   _next,                                         FreeChunk*)                            \
  nonstatic_field(FreeChunk,                   _prev,                                         FreeChunk*)                            \
  nonstatic_field(LinearAllocBlock,            _word_size,                                    size_t)                                \
  nonstatic_field(FreeList<FreeChunk>,         _size,                                         size_t)                                \
  nonstatic_field(FreeList<FreeChunk>,         _count,                                        ssize_t)                               \
  nonstatic_field(BinaryTreeDictionary<FreeChunk>,_total_size,                                 size_t)                                \
  nonstatic_field(CompactibleFreeListSpace,    _dictionary,                                   FreeBlockDictionary<FreeChunk>*)       \
  nonstatic_field(CompactibleFreeListSpace,    _indexedFreeList[0],                           FreeList<FreeChunk>)                   \
  nonstatic_field(CompactibleFreeListSpace,    _smallLinearAllocBlock,                        LinearAllocBlock)


#define VM_TYPES_CMS(declare_type,                                        \
                     declare_toplevel_type)                               \
                                                                          \
           declare_type(ConcurrentMarkSweepGeneration,CardGeneration)     \
           declare_type(CompactibleFreeListSpace,     CompactibleSpace)   \
           declare_type(ConcurrentMarkSweepThread,    NamedThread)        \
           declare_type(SurrogateLockerThread, JavaThread)                \
  declare_toplevel_type(CMSCollector)                                     \
  declare_toplevel_type(CMSBitMap)                                        \
  declare_toplevel_type(FreeChunk)                                        \
  declare_toplevel_type(ConcurrentMarkSweepThread*)                       \
  declare_toplevel_type(ConcurrentMarkSweepGeneration*)                   \
  declare_toplevel_type(SurrogateLockerThread*)                           \
  declare_toplevel_type(CompactibleFreeListSpace*)                        \
  declare_toplevel_type(CMSCollector*)                                    \
  declare_toplevel_type(FreeChunk*)                                       \
  declare_toplevel_type(BinaryTreeDictionary<FreeChunk>*)                 \
  declare_toplevel_type(FreeBlockDictionary<FreeChunk>*)                  \
  declare_toplevel_type(FreeList<FreeChunk>*)                             \
  declare_toplevel_type(FreeList<FreeChunk>)                              \
  declare_toplevel_type(LinearAllocBlock)                                 \
  declare_toplevel_type(FreeBlockDictionary<FreeChunk>)                   \
            declare_type(BinaryTreeDictionary<FreeChunk>, FreeBlockDictionary<FreeChunk>)

#define VM_INT_CONSTANTS_CMS(declare_constant)                            \
  declare_constant(Generation::ConcurrentMarkSweep)                       \

#endif // SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_VMSTRUCTS_CMS_HPP