72 lines
2.4 KiB
C++
72 lines
2.4 KiB
C++
/*
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* Copyright (c) 2018, 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_SHARED_MARKBITMAP_INLINE_HPP
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#define SHARE_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 "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_GC_SHARED_MARKBITMAP_INLINE_HPP
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