/* * Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * 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_GC_SHARED_MARKBITMAP_INLINE_HPP #define SHARE_GC_SHARED_MARKBITMAP_INLINE_HPP #include "gc/shared/collectedHeap.hpp" #include "gc/shared/markBitMap.hpp" #include "memory/memRegion.hpp" #include "utilities/align.hpp" #include "utilities/bitMap.inline.hpp" inline HeapWord* MarkBitMap::get_next_marked_addr(const HeapWord* addr, const HeapWord* limit) const { assert(limit != NULL, "limit must not be NULL"); // Round addr up to a possible object boundary to be safe. size_t const addr_offset = addr_to_offset(align_up(addr, HeapWordSize << _shifter)); size_t const limit_offset = addr_to_offset(limit); size_t const nextOffset = _bm.get_next_one_offset(addr_offset, limit_offset); return offset_to_addr(nextOffset); } inline void MarkBitMap::mark(HeapWord* addr) { check_mark(addr); _bm.set_bit(addr_to_offset(addr)); } inline void MarkBitMap::clear(HeapWord* addr) { check_mark(addr); _bm.clear_bit(addr_to_offset(addr)); } inline bool MarkBitMap::par_mark(HeapWord* addr) { check_mark(addr); return _bm.par_set_bit(addr_to_offset(addr)); } inline bool MarkBitMap::par_mark(oop obj) { return par_mark((HeapWord*) obj); } inline bool MarkBitMap::is_marked(oop obj) const{ return is_marked((HeapWord*) obj); } inline void MarkBitMap::clear(oop obj) { clear((HeapWord*) obj); } #endif // SHARE_GC_SHARED_MARKBITMAP_INLINE_HPP