author | tschatzl |
Sat, 18 May 2019 22:11:25 +0200 | |
changeset 54934 | 39814e0a8964 |
parent 52348 | 21fdf8d9a8b6 |
child 58263 | 4fbc534fdf69 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2014, 2018, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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#include "precompiled.hpp" |
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#include "gc/g1/g1CollectedHeap.inline.hpp" |
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#include "gc/g1/g1OopClosures.inline.hpp" |
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#include "gc/g1/g1ParScanThreadState.hpp" |
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#include "memory/iterator.inline.hpp" |
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#include "utilities/stack.inline.hpp" |
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G1ParCopyHelper::G1ParCopyHelper(G1CollectedHeap* g1h, G1ParScanThreadState* par_scan_state) : |
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_g1h(g1h), |
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_par_scan_state(par_scan_state), |
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_worker_id(par_scan_state->worker_id()), |
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_scanned_cld(NULL), |
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_cm(_g1h->concurrent_mark()) |
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{ } |
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G1ScanClosureBase::G1ScanClosureBase(G1CollectedHeap* g1h, G1ParScanThreadState* par_scan_state) : |
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_g1h(g1h), _par_scan_state(par_scan_state) |
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{ } |
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void G1CLDScanClosure::do_cld(ClassLoaderData* cld) { |
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// If the class loader data has not been dirtied we know that there's |
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// no references into the young gen and we can skip it. |
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if (!_process_only_dirty || cld->has_modified_oops()) { |
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// Tell the closure that this class loader data is the CLD to scavenge |
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// and is the one to dirty if oops are left pointing into the young gen. |
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_closure->set_scanned_cld(cld); |
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// Clean the cld since we're going to scavenge all the metadata. |
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// Clear modified oops only if this cld is claimed. |
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cld->oops_do(_closure, _claim, /*clear_modified_oops*/true); |
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_closure->set_scanned_cld(NULL); |
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_closure->trim_queue_partially(); |
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} |
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_count++; |
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} |