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src/share/vm/gc_implementation/concurrentMarkSweep/vmStructs_cms.hpp@da91efe96a93
src/share/vm/gc_implementation/concurrentMarkSweep/vmStructs_cms.hpp
Sat, 01 Sep 2012 13:25:18 -0400
- author
- coleenp
- date
- Sat, 01 Sep 2012 13:25:18 -0400
- changeset 4037
- da91efe96a93
- parent 3732
- f69a5d43dc19
- child 4196
- 685df3c6f84b
- 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>
1 /*
2 * Copyright (c) 2007, 2012, 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 */
25 #ifndef SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_VMSTRUCTS_CMS_HPP
26 #define SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_VMSTRUCTS_CMS_HPP
28 #define VM_STRUCTS_CMS(nonstatic_field, \
29 volatile_nonstatic_field, \
30 static_field) \
31 nonstatic_field(CompactibleFreeListSpace, _collector, CMSCollector*) \
32 nonstatic_field(CompactibleFreeListSpace, _bt, BlockOffsetArrayNonContigSpace) \
33 \
34 nonstatic_field(CMSBitMap, _bmWordSize, size_t) \
35 nonstatic_field(CMSBitMap, _shifter, const int) \
36 nonstatic_field(CMSBitMap, _bm, BitMap) \
37 nonstatic_field(CMSBitMap, _virtual_space, VirtualSpace) \
38 nonstatic_field(CMSCollector, _markBitMap, CMSBitMap) \
39 nonstatic_field(ConcurrentMarkSweepGeneration, _cmsSpace, CompactibleFreeListSpace*) \
40 static_field(ConcurrentMarkSweepThread, _collector, CMSCollector*) \
41 volatile_nonstatic_field(FreeChunk, _size, size_t) \
42 nonstatic_field(FreeChunk, _next, FreeChunk*) \
43 nonstatic_field(FreeChunk, _prev, FreeChunk*) \
44 nonstatic_field(LinearAllocBlock, _word_size, size_t) \
45 nonstatic_field(FreeList<FreeChunk>, _size, size_t) \
46 nonstatic_field(FreeList<FreeChunk>, _count, ssize_t) \
47 nonstatic_field(BinaryTreeDictionary<FreeChunk>,_total_size, size_t) \
48 nonstatic_field(CompactibleFreeListSpace, _dictionary, FreeBlockDictionary<FreeChunk>*) \
49 nonstatic_field(CompactibleFreeListSpace, _indexedFreeList[0], FreeList<FreeChunk>) \
50 nonstatic_field(CompactibleFreeListSpace, _smallLinearAllocBlock, LinearAllocBlock)
53 #define VM_TYPES_CMS(declare_type, \
54 declare_toplevel_type) \
55 \
56 declare_type(ConcurrentMarkSweepGeneration,CardGeneration) \
57 declare_type(CompactibleFreeListSpace, CompactibleSpace) \
58 declare_type(ConcurrentMarkSweepThread, NamedThread) \
59 declare_type(SurrogateLockerThread, JavaThread) \
60 declare_toplevel_type(CMSCollector) \
61 declare_toplevel_type(CMSBitMap) \
62 declare_toplevel_type(FreeChunk) \
63 declare_toplevel_type(ConcurrentMarkSweepThread*) \
64 declare_toplevel_type(ConcurrentMarkSweepGeneration*) \
65 declare_toplevel_type(SurrogateLockerThread*) \
66 declare_toplevel_type(CompactibleFreeListSpace*) \
67 declare_toplevel_type(CMSCollector*) \
68 declare_toplevel_type(FreeChunk*) \
69 declare_toplevel_type(BinaryTreeDictionary<FreeChunk>*) \
70 declare_toplevel_type(FreeBlockDictionary<FreeChunk>*) \
71 declare_toplevel_type(FreeList<FreeChunk>*) \
72 declare_toplevel_type(FreeList<FreeChunk>) \
73 declare_toplevel_type(LinearAllocBlock) \
74 declare_toplevel_type(FreeBlockDictionary<FreeChunk>) \
75 declare_type(BinaryTreeDictionary<FreeChunk>, FreeBlockDictionary<FreeChunk>)
77 #define VM_INT_CONSTANTS_CMS(declare_constant) \
78 declare_constant(Generation::ConcurrentMarkSweep) \
80 #endif // SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_VMSTRUCTS_CMS_HPP
