154a1a02bf
Use script and some manual fixup to fix directores names in include guards. Reviewed-by: lfoltan, eosterlund, kbarrett
54 lines
2.0 KiB
C++
54 lines
2.0 KiB
C++
/*
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* Copyright (c) 2014, 2019, 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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#ifndef SHARE_GC_PARALLEL_PSPROMOTIONLAB_INLINE_HPP
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#define SHARE_GC_PARALLEL_PSPROMOTIONLAB_INLINE_HPP
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#include "gc/parallel/psPromotionLAB.hpp"
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#include "gc/shared/collectedHeap.inline.hpp"
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#include "utilities/align.hpp"
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HeapWord* PSYoungPromotionLAB::allocate(size_t size) {
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// Can't assert this, when young fills, we keep the LAB around, but flushed.
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// assert(_state != flushed, "Sanity");
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HeapWord* obj = CollectedHeap::align_allocation_or_fail(top(), end(), SurvivorAlignmentInBytes);
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if (obj == NULL) {
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return NULL;
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}
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HeapWord* new_top = obj + size;
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// The 'new_top>obj' check is needed to detect overflow of obj+size.
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if (new_top > obj && new_top <= end()) {
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set_top(new_top);
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assert(is_aligned(obj, SurvivorAlignmentInBytes) && is_object_aligned(new_top),
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"checking alignment");
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return obj;
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} else {
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set_top(obj);
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return NULL;
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}
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}
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#endif // SHARE_GC_PARALLEL_PSPROMOTIONLAB_INLINE_HPP
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