Mercurial > hg > truffle
annotate src/share/vm/gc_implementation/g1/g1MarkSweep.hpp @ 12343:d55c004e1d4d
8025305: Cleanup CardTableModRefBS usage in G1
Summary: Move some G1 specific code from CardTableModRefBS to G1SATBCardTableModRefBS.
Reviewed-by: brutisso, tschatzl, ehelin
| author | mgerdin |
|---|---|
| date | Tue, 24 Sep 2013 14:46:29 +0200 |
| parents | f2110083203d |
| children | d35872270666 |
| rev | line source |
|---|---|
| 342 | 1 /* |
| 10405 | 2 * Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved. |
| 342 | 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 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 342 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #ifndef SHARE_VM_GC_IMPLEMENTATION_G1_G1MARKSWEEP_HPP |
| 26 #define SHARE_VM_GC_IMPLEMENTATION_G1_G1MARKSWEEP_HPP | |
| 27 | |
| 28 #include "gc_implementation/g1/g1CollectedHeap.inline.hpp" | |
| 29 #include "gc_implementation/g1/heapRegion.hpp" | |
| 30 #include "memory/genMarkSweep.hpp" | |
| 31 #include "memory/generation.hpp" | |
| 32 #include "memory/universe.hpp" | |
| 33 #include "oops/markOop.hpp" | |
| 34 #include "oops/oop.hpp" | |
| 35 #include "runtime/timer.hpp" | |
| 36 #include "utilities/growableArray.hpp" | |
| 37 | |
| 342 | 38 class ReferenceProcessor; |
| 39 | |
| 40 // G1MarkSweep takes care of global mark-compact garbage collection for a | |
| 41 // G1CollectedHeap using a four-phase pointer forwarding algorithm. All | |
| 42 // generations are assumed to support marking; those that can also support | |
| 43 // compaction. | |
| 44 // | |
| 45 // Class unloading will only occur when a full gc is invoked. | |
| 46 | |
| 47 | |
| 48 class G1MarkSweep : AllStatic { | |
| 49 friend class VM_G1MarkSweep; | |
| 50 friend class Scavenge; | |
| 51 | |
| 52 public: | |
| 53 | |
| 54 static void invoke_at_safepoint(ReferenceProcessor* rp, | |
| 55 bool clear_all_softrefs); | |
| 56 | |
| 10405 | 57 static STWGCTimer* gc_timer() { return GenMarkSweep::_gc_timer; } |
| 58 static SerialOldTracer* gc_tracer() { return GenMarkSweep::_gc_tracer; } | |
| 59 | |
| 342 | 60 private: |
| 61 | |
| 62 // Mark live objects | |
| 63 static void mark_sweep_phase1(bool& marked_for_deopt, | |
| 64 bool clear_all_softrefs); | |
| 65 // Calculate new addresses | |
| 66 static void mark_sweep_phase2(); | |
| 67 // Update pointers | |
| 68 static void mark_sweep_phase3(); | |
| 69 // Move objects to new positions | |
| 70 static void mark_sweep_phase4(); | |
| 71 | |
| 72 static void allocate_stacks(); | |
| 73 }; | |
| 1972 | 74 |
| 75 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1MARKSWEEP_HPP |