Thu, 29 Mar 2012 19:46:24 -0700
7131629: Generalize the CMS free list code
Summary: Make the FreeChunk, FreeList, TreeList, and BinaryTreeDictionary classes usable outside CMS.
Reviewed-by: brutisso, johnc, jwilhelm
Contributed-by: coleen.phillimore@oracle.com
1 /*
2 * Copyright (c) 2007, 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
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7 * published by the Free Software Foundation.
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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
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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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(CMSPermGen, _gen, ConcurrentMarkSweepGeneration*) \
35 nonstatic_field(CMSBitMap, _bmStartWord, HeapWord*) \
36 nonstatic_field(CMSBitMap, _bmWordSize, size_t) \
37 nonstatic_field(CMSBitMap, _shifter, const int) \
38 nonstatic_field(CMSBitMap, _bm, BitMap) \
39 nonstatic_field(CMSBitMap, _virtual_space, VirtualSpace) \
40 nonstatic_field(CMSCollector, _markBitMap, CMSBitMap) \
41 nonstatic_field(ConcurrentMarkSweepGeneration, _cmsSpace, CompactibleFreeListSpace*) \
42 static_field(ConcurrentMarkSweepThread, _collector, CMSCollector*) \
43 volatile_nonstatic_field(FreeChunk, _size, size_t) \
44 nonstatic_field(FreeChunk, _next, FreeChunk*) \
45 nonstatic_field(FreeChunk, _prev, FreeChunk*) \
46 nonstatic_field(LinearAllocBlock, _word_size, size_t) \
47 nonstatic_field(FreeList<FreeChunk>, _size, size_t) \
48 nonstatic_field(FreeList<FreeChunk>, _count, ssize_t) \
49 nonstatic_field(BinaryTreeDictionary<FreeChunk>,_totalSize, size_t) \
50 nonstatic_field(CompactibleFreeListSpace, _dictionary, FreeBlockDictionary<FreeChunk>*) \
51 nonstatic_field(CompactibleFreeListSpace, _indexedFreeList[0], FreeList<FreeChunk>) \
52 nonstatic_field(CompactibleFreeListSpace, _smallLinearAllocBlock, LinearAllocBlock)
55 #define VM_TYPES_CMS(declare_type, \
56 declare_toplevel_type) \
57 \
58 declare_type(ConcurrentMarkSweepGeneration,CardGeneration) \
59 declare_type(CompactibleFreeListSpace, CompactibleSpace) \
60 declare_type(CMSPermGenGen, ConcurrentMarkSweepGeneration) \
61 declare_type(CMSPermGen, PermGen) \
62 declare_type(ConcurrentMarkSweepThread, NamedThread) \
63 declare_type(SurrogateLockerThread, JavaThread) \
64 declare_toplevel_type(CMSCollector) \
65 declare_toplevel_type(CMSBitMap) \
66 declare_toplevel_type(FreeChunk) \
67 declare_toplevel_type(ConcurrentMarkSweepThread*) \
68 declare_toplevel_type(ConcurrentMarkSweepGeneration*) \
69 declare_toplevel_type(SurrogateLockerThread*) \
70 declare_toplevel_type(CompactibleFreeListSpace*) \
71 declare_toplevel_type(CMSCollector*) \
72 declare_toplevel_type(FreeChunk*) \
73 declare_toplevel_type(BinaryTreeDictionary<FreeChunk>*) \
74 declare_toplevel_type(FreeBlockDictionary<FreeChunk>*) \
75 declare_toplevel_type(FreeList<FreeChunk>*) \
76 declare_toplevel_type(FreeList<FreeChunk>) \
77 declare_toplevel_type(LinearAllocBlock) \
78 declare_toplevel_type(FreeBlockDictionary<FreeChunk>) \
79 declare_type(BinaryTreeDictionary<FreeChunk>, FreeBlockDictionary<FreeChunk>)
81 #define VM_INT_CONSTANTS_CMS(declare_constant) \
82 declare_constant(Generation::ConcurrentMarkSweep) \
83 declare_constant(PermGen::ConcurrentMarkSweep)
85 #endif // SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_VMSTRUCTS_CMS_HPP