jdk8-mips64-public/hotspot: src/share/vm/gc_implementation/concurrentMarkSweep/vmStructs

6798898: CMS: bugs related to class unloading
Summary: Override should_remember_klasses() and remember_klass() as needed.
Reviewed-by: ysr, jcoomes

     1 /*

     2  * Copyright (c) 2007 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  *

    23  */

    25 #define VM_STRUCTS_CMS(nonstatic_field, \

    26                    volatile_nonstatic_field, \

    27                    static_field) \

    28   nonstatic_field(CompactibleFreeListSpace,    _collector,                                    CMSCollector*)                         \

    29   nonstatic_field(CompactibleFreeListSpace,    _bt,                                           BlockOffsetArrayNonContigSpace)        \

    30                                                                                                                                      \

    31   nonstatic_field(CMSPermGen,                  _gen,                                          ConcurrentMarkSweepGeneration*)        \

    32   nonstatic_field(CMSBitMap,                   _bmStartWord,                                  HeapWord*)                             \

    33   nonstatic_field(CMSBitMap,                   _bmWordSize,                                   size_t)                                \

    34   nonstatic_field(CMSBitMap,                   _shifter,                                      const int)                            \

    35   nonstatic_field(CMSBitMap,                      _bm,                                           BitMap)                            \

    36   nonstatic_field(CMSBitMap,                   _virtual_space,                                VirtualSpace)                         \

    37   nonstatic_field(CMSCollector,                _markBitMap,                                   CMSBitMap)                             \

    38   nonstatic_field(ConcurrentMarkSweepGeneration, _cmsSpace,                                   CompactibleFreeListSpace*)             \

    39      static_field(ConcurrentMarkSweepThread,   _collector,                                    CMSCollector*)                         \

    40   volatile_nonstatic_field(FreeChunk,          _size,                                         size_t)                                \

    41   nonstatic_field(FreeChunk,                   _next,                                         FreeChunk*)                            \

    42   nonstatic_field(FreeChunk,                   _prev,                                         FreeChunk*)                            \

    43   nonstatic_field(LinearAllocBlock,            _word_size,                                    size_t)                                \

    44   nonstatic_field(FreeList,                    _size,                                         size_t)                                \

    45   nonstatic_field(FreeList,                    _count,                                        ssize_t)                               \

    46   nonstatic_field(BinaryTreeDictionary,        _totalSize,                                    size_t)                                \

    47   nonstatic_field(CompactibleFreeListSpace,    _dictionary,                                   FreeBlockDictionary*)                  \

    48   nonstatic_field(CompactibleFreeListSpace,    _indexedFreeList[0],                           FreeList)                              \

    49   nonstatic_field(CompactibleFreeListSpace,    _smallLinearAllocBlock,                        LinearAllocBlock)

    52 #define VM_TYPES_CMS(declare_type,                                        \

    53                      declare_toplevel_type)                               \

    54                                                                           \

    55            declare_type(ConcurrentMarkSweepGeneration,CardGeneration)     \

    56            declare_type(CompactibleFreeListSpace,     CompactibleSpace)   \

    57            declare_type(CMSPermGenGen,                ConcurrentMarkSweepGeneration) \

    58            declare_type(CMSPermGen,                   PermGen)            \

    59            declare_type(ConcurrentMarkSweepThread,    NamedThread)        \

    60            declare_type(SurrogateLockerThread, JavaThread)                \

    61   declare_toplevel_type(CMSCollector)                                     \

    62   declare_toplevel_type(CMSBitMap)                                        \

    63   declare_toplevel_type(FreeChunk)                                        \

    64   declare_toplevel_type(ConcurrentMarkSweepThread*)                       \

    65   declare_toplevel_type(ConcurrentMarkSweepGeneration*)                   \

    66   declare_toplevel_type(SurrogateLockerThread*)                           \

    67   declare_toplevel_type(CompactibleFreeListSpace*)                        \

    68   declare_toplevel_type(CMSCollector*)                                    \

    69   declare_toplevel_type(FreeChunk*)                                       \

    70   declare_toplevel_type(BinaryTreeDictionary*)                            \

    71   declare_toplevel_type(FreeBlockDictionary*)                             \

    72   declare_toplevel_type(FreeList*)                                        \

    73   declare_toplevel_type(FreeList)                                         \

    74   declare_toplevel_type(LinearAllocBlock)                                 \

    75   declare_toplevel_type(FreeBlockDictionary)                              \

    76             declare_type(BinaryTreeDictionary,        FreeBlockDictionary)

    78 #define VM_INT_CONSTANTS_CMS(declare_constant)                            \

    79   declare_constant(Generation::ConcurrentMarkSweep)                       \

    80   declare_constant(PermGen::ConcurrentMarkSweep)

src/share/vm/gc_implementation/concurrentMarkSweep/vmStructs_cms.hpp@05f89f00a864