author | rkennke |
Wed, 29 Aug 2018 20:15:09 +0200 | |
changeset 51578 | 31b159f30fb2 |
child 53244 | 9807daeb47c4 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 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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#ifndef SHARE_VM_GC_SHARED_MARKBITMAP_INLINE_HPP |
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#define SHARE_VM_GC_SHARED_MARKBITMAP_INLINE_HPP |
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#include "gc/shared/collectedHeap.hpp" |
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#include "gc/shared/markBitMap.hpp" |
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#include "memory/memRegion.hpp" |
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#include "memory/universe.hpp" |
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#include "utilities/align.hpp" |
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#include "utilities/bitMap.inline.hpp" |
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inline HeapWord* MarkBitMap::get_next_marked_addr(const HeapWord* addr, |
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const HeapWord* limit) const { |
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assert(limit != NULL, "limit must not be NULL"); |
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// Round addr up to a possible object boundary to be safe. |
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size_t const addr_offset = addr_to_offset(align_up(addr, HeapWordSize << _shifter)); |
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size_t const limit_offset = addr_to_offset(limit); |
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size_t const nextOffset = _bm.get_next_one_offset(addr_offset, limit_offset); |
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return offset_to_addr(nextOffset); |
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} |
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inline void MarkBitMap::mark(HeapWord* addr) { |
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check_mark(addr); |
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_bm.set_bit(addr_to_offset(addr)); |
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} |
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inline void MarkBitMap::clear(HeapWord* addr) { |
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check_mark(addr); |
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_bm.clear_bit(addr_to_offset(addr)); |
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} |
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inline bool MarkBitMap::par_mark(HeapWord* addr) { |
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check_mark(addr); |
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return _bm.par_set_bit(addr_to_offset(addr)); |
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} |
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inline bool MarkBitMap::par_mark(oop obj) { |
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return par_mark((HeapWord*) obj); |
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} |
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inline bool MarkBitMap::is_marked(oop obj) const{ |
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return is_marked((HeapWord*) obj); |
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} |
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inline void MarkBitMap::clear(oop obj) { |
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clear((HeapWord*) obj); |
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} |
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#endif // SHARE_VM_GC_SHARED_MARKBITMAP_INLINE_HPP |