Mercurial > hg > graal-compiler
view src/share/vm/gc_implementation/g1/g1MarkSweep.hpp @ 10405:f2110083203d
8005849: JEP 167: Event-Based JVM Tracing
Reviewed-by: acorn, coleenp, sla
Contributed-by: Karen Kinnear <karen.kinnear@oracle.com>, Bengt Rutisson <bengt.rutisson@oracle.com>, Calvin Cheung <calvin.cheung@oracle.com>, Erik Gahlin <erik.gahlin@oracle.com>, Erik Helin <erik.helin@oracle.com>, Jesper Wilhelmsson <jesper.wilhelmsson@oracle.com>, Keith McGuigan <keith.mcguigan@oracle.com>, Mattias Tobiasson <mattias.tobiasson@oracle.com>, Markus Gronlund <markus.gronlund@oracle.com>, Mikael Auno <mikael.auno@oracle.com>, Nils Eliasson <nils.eliasson@oracle.com>, Nils Loodin <nils.loodin@oracle.com>, Rickard Backman <rickard.backman@oracle.com>, Staffan Larsen <staffan.larsen@oracle.com>, Stefan Karlsson <stefan.karlsson@oracle.com>, Yekaterina Kantserova <yekaterina.kantserova@oracle.com>
author | sla |
---|---|
date | Mon, 10 Jun 2013 11:30:51 +0200 |
parents | f95d63e2154a |
children | d35872270666 |
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/* * Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef SHARE_VM_GC_IMPLEMENTATION_G1_G1MARKSWEEP_HPP #define SHARE_VM_GC_IMPLEMENTATION_G1_G1MARKSWEEP_HPP #include "gc_implementation/g1/g1CollectedHeap.inline.hpp" #include "gc_implementation/g1/heapRegion.hpp" #include "memory/genMarkSweep.hpp" #include "memory/generation.hpp" #include "memory/universe.hpp" #include "oops/markOop.hpp" #include "oops/oop.hpp" #include "runtime/timer.hpp" #include "utilities/growableArray.hpp" class ReferenceProcessor; // G1MarkSweep takes care of global mark-compact garbage collection for a // G1CollectedHeap using a four-phase pointer forwarding algorithm. All // generations are assumed to support marking; those that can also support // compaction. // // Class unloading will only occur when a full gc is invoked. class G1MarkSweep : AllStatic { friend class VM_G1MarkSweep; friend class Scavenge; public: static void invoke_at_safepoint(ReferenceProcessor* rp, bool clear_all_softrefs); static STWGCTimer* gc_timer() { return GenMarkSweep::_gc_timer; } static SerialOldTracer* gc_tracer() { return GenMarkSweep::_gc_tracer; } private: // Mark live objects static void mark_sweep_phase1(bool& marked_for_deopt, bool clear_all_softrefs); // Calculate new addresses static void mark_sweep_phase2(); // Update pointers static void mark_sweep_phase3(); // Move objects to new positions static void mark_sweep_phase4(); static void allocate_stacks(); }; #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1MARKSWEEP_HPP