Mercurial > hg > truffle
annotate src/share/vm/gc_implementation/g1/heapRegionSets.hpp @ 12233:40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
Summary: Use conservative assumptions of required alignment for the various garbage collector components into account when determining the maximum heap size that supports compressed oops. Using this conservative value avoids several circular dependencies in the calculation.
Reviewed-by: stefank, dholmes
| author | tschatzl |
|---|---|
| date | Wed, 11 Sep 2013 16:25:02 +0200 |
| parents | 8aae2050e83e |
| children |
| rev | line source |
|---|---|
| 2152 | 1 /* |
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3765
ae5b2f1dcf12
7045662: G1: OopsInHeapRegionClosure::set_region() should not be virtual
tonyp
parents:
2152
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changeset
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2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. |
| 2152 | 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_GC_IMPLEMENTATION_G1_HEAPREGIONSETS_HPP | |
| 26 #define SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSETS_HPP | |
| 27 | |
| 28 #include "gc_implementation/g1/heapRegionSet.inline.hpp" | |
| 29 | |
| 30 //////////////////// FreeRegionList //////////////////// | |
| 31 | |
| 32 class FreeRegionList : public HeapRegionLinkedList { | |
| 33 protected: | |
| 34 virtual const char* verify_region_extra(HeapRegion* hr); | |
| 35 | |
| 36 virtual bool regions_humongous() { return false; } | |
| 37 virtual bool regions_empty() { return true; } | |
| 38 | |
| 39 public: | |
| 40 FreeRegionList(const char* name) : HeapRegionLinkedList(name) { } | |
| 41 }; | |
| 42 | |
| 43 //////////////////// MasterFreeRegionList //////////////////// | |
| 44 | |
| 45 class MasterFreeRegionList : public FreeRegionList { | |
| 46 protected: | |
|
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e8b0b0392037
7046182: G1: remove unnecessary iterations over the collection set
tonyp
parents:
3765
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changeset
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47 virtual const char* verify_region_extra(HeapRegion* hr); |
| 2152 | 48 virtual bool check_mt_safety(); |
| 49 | |
| 50 public: | |
| 51 MasterFreeRegionList(const char* name) : FreeRegionList(name) { } | |
| 52 }; | |
| 53 | |
| 54 //////////////////// SecondaryFreeRegionList //////////////////// | |
| 55 | |
| 56 class SecondaryFreeRegionList : public FreeRegionList { | |
| 57 protected: | |
| 58 virtual bool check_mt_safety(); | |
| 59 | |
| 60 public: | |
| 61 SecondaryFreeRegionList(const char* name) : FreeRegionList(name) { } | |
| 62 }; | |
| 63 | |
| 4072 | 64 //////////////////// OldRegionSet //////////////////// |
| 65 | |
| 66 class OldRegionSet : public HeapRegionSet { | |
| 67 protected: | |
| 68 virtual const char* verify_region_extra(HeapRegion* hr); | |
| 69 | |
| 70 virtual bool regions_humongous() { return false; } | |
| 71 virtual bool regions_empty() { return false; } | |
| 72 | |
| 73 public: | |
| 74 OldRegionSet(const char* name) : HeapRegionSet(name) { } | |
| 75 }; | |
| 76 | |
| 77 //////////////////// MasterOldRegionSet //////////////////// | |
| 78 | |
| 79 class MasterOldRegionSet : public OldRegionSet { | |
| 80 private: | |
| 81 protected: | |
| 82 virtual bool check_mt_safety(); | |
| 83 | |
| 84 public: | |
| 85 MasterOldRegionSet(const char* name) : OldRegionSet(name) { } | |
| 86 }; | |
| 87 | |
| 2152 | 88 //////////////////// HumongousRegionSet //////////////////// |
| 89 | |
| 90 class HumongousRegionSet : public HeapRegionSet { | |
| 91 protected: | |
| 92 virtual const char* verify_region_extra(HeapRegion* hr); | |
| 93 | |
| 94 virtual bool regions_humongous() { return true; } | |
| 95 virtual bool regions_empty() { return false; } | |
| 96 | |
| 97 public: | |
| 98 HumongousRegionSet(const char* name) : HeapRegionSet(name) { } | |
| 99 }; | |
| 100 | |
| 101 //////////////////// MasterHumongousRegionSet //////////////////// | |
| 102 | |
| 103 class MasterHumongousRegionSet : public HumongousRegionSet { | |
| 104 protected: | |
| 105 virtual bool check_mt_safety(); | |
| 106 | |
| 107 public: | |
| 108 MasterHumongousRegionSet(const char* name) : HumongousRegionSet(name) { } | |
| 109 }; | |
| 110 | |
| 111 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSETS_HPP |