--- /dev/null 2018-11-26 11:49:18.255023023 +0100 +++ new/src/hotspot/share/gc/shenandoah/shenandoahMarkingContext.inline.hpp 2018-11-26 21:29:02.909639012 +0100 @@ -0,0 +1,51 @@ +/* + * Copyright (c) 2018, Red Hat, Inc. All rights reserved. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ + +#ifndef SHARE_VM_GC_SHENANDOAH_SHENANDOAHMARKINGCONTEXT_INLINE_HPP +#define SHARE_VM_GC_SHENANDOAH_SHENANDOAHMARKINGCONTEXT_INLINE_HPP + +#include "gc/shenandoah/shenandoahMarkingContext.hpp" + +inline MarkBitMap* ShenandoahMarkingContext::mark_bit_map() { + return &_mark_bit_map; +} + +inline bool ShenandoahMarkingContext::mark(oop obj) { + shenandoah_assert_not_forwarded(NULL, obj); + HeapWord* addr = (HeapWord*) obj; + return (! allocated_after_mark_start(addr)) && _mark_bit_map.par_mark(addr); +} + +inline bool ShenandoahMarkingContext::is_marked(oop obj) const { + HeapWord* addr = (HeapWord*) obj; + return allocated_after_mark_start(addr) || _mark_bit_map.is_marked(addr); +} + +inline bool ShenandoahMarkingContext::allocated_after_mark_start(HeapWord* addr) const { + uintx index = ((uintx) addr) >> ShenandoahHeapRegion::region_size_bytes_shift(); + HeapWord* top_at_mark_start = _top_at_mark_starts[index]; + bool alloc_after_mark_start = addr >= top_at_mark_start; + return alloc_after_mark_start; +} + +#endif // SHARE_VM_GC_SHENANDOAH_SHENANDOAHMARKINGCONTEXT_INLINE_HPP