| /* |
| * Copyright (c) 2015, 2017, 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_G1_G1ROOTCLOSURESET_HPP |
| #define SHARE_VM_GC_G1_G1ROOTCLOSURESET_HPP |
| |
| #include "memory/allocation.hpp" |
| #include "memory/iterator.hpp" |
| |
| class G1CollectedHeap; |
| class G1ParScanThreadState; |
| |
| class G1RootClosures : public CHeapObj<mtGC> { |
| public: |
| virtual ~G1RootClosures() {} |
| |
| // Closures to process raw oops in the root set. |
| virtual OopClosure* weak_oops() = 0; |
| virtual OopClosure* strong_oops() = 0; |
| |
| // Closures to process CLDs in the root set. |
| virtual CLDClosure* weak_clds() = 0; |
| virtual CLDClosure* strong_clds() = 0; |
| |
| // Applied to code blobs reachable as strong roots. |
| virtual CodeBlobClosure* strong_codeblobs() = 0; |
| }; |
| |
| class G1EvacuationRootClosures : public G1RootClosures { |
| static G1EvacuationRootClosures* create_root_closures_ext(G1ParScanThreadState* pss, G1CollectedHeap* g1h); |
| public: |
| // Flush any buffered state and deferred processing |
| virtual void flush() = 0; |
| virtual double closure_app_seconds() = 0; |
| |
| // Applied to the weakly reachable CLDs when all strongly reachable |
| // CLDs are guaranteed to have been processed. |
| virtual CLDClosure* second_pass_weak_clds() = 0; |
| |
| // Get a raw oop closure for processing oops, bypassing the flushing above. |
| virtual OopClosure* raw_strong_oops() = 0; |
| |
| // Applied to code blobs treated as weak roots. |
| virtual CodeBlobClosure* weak_codeblobs() = 0; |
| |
| // Is this closure used for tracing metadata? |
| virtual bool trace_metadata() = 0; |
| |
| static G1EvacuationRootClosures* create_root_closures(G1ParScanThreadState* pss, G1CollectedHeap* g1h); |
| }; |
| |
| #endif // SHARE_VM_GC_G1_G1ROOTCLOSURESET_HPP |