52 lines
2.0 KiB
C++
52 lines
2.0 KiB
C++
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/*
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* Copyright (c) 2018, Red Hat, Inc. All rights reserved.
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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_SHENANDOAH_SHENANDOAHMARKINGCONTEXT_INLINE_HPP
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#define SHARE_VM_GC_SHENANDOAH_SHENANDOAHMARKINGCONTEXT_INLINE_HPP
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#include "gc/shenandoah/shenandoahMarkingContext.hpp"
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inline MarkBitMap* ShenandoahMarkingContext::mark_bit_map() {
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return &_mark_bit_map;
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}
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inline bool ShenandoahMarkingContext::mark(oop obj) {
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shenandoah_assert_not_forwarded(NULL, obj);
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HeapWord* addr = (HeapWord*) obj;
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return (! allocated_after_mark_start(addr)) && _mark_bit_map.par_mark(addr);
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}
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inline bool ShenandoahMarkingContext::is_marked(oop obj) const {
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HeapWord* addr = (HeapWord*) obj;
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return allocated_after_mark_start(addr) || _mark_bit_map.is_marked(addr);
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}
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inline bool ShenandoahMarkingContext::allocated_after_mark_start(HeapWord* addr) const {
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uintx index = ((uintx) addr) >> ShenandoahHeapRegion::region_size_bytes_shift();
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HeapWord* top_at_mark_start = _top_at_mark_starts[index];
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bool alloc_after_mark_start = addr >= top_at_mark_start;
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return alloc_after_mark_start;
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}
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#endif // SHARE_VM_GC_SHENANDOAH_SHENANDOAHMARKINGCONTEXT_INLINE_HPP
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