diff -r 5daa5fbad3ce -r bd3b98a11a14 hotspot/src/share/vm/gc/shared/liveRange.hpp --- a/hotspot/src/share/vm/gc/shared/liveRange.hpp Fri Apr 15 16:19:14 2016 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,55 +0,0 @@ -/* - * Copyright (c) 2001, 2015, 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_VM_GC_SHARED_LIVERANGE_HPP -#define SHARE_VM_GC_SHARED_LIVERANGE_HPP - -#include "memory/memRegion.hpp" -#include "utilities/copy.hpp" - -// This is a shared helper class used during phase 3 and 4 to move all the objects -// Dead regions in a Space are linked together to keep track of the live regions -// so that the live data can be traversed quickly without having to look at each -// object. - -class LiveRange: public MemRegion { -public: - LiveRange(HeapWord* bottom, HeapWord* top): MemRegion(bottom, top) {} - - void set_end(HeapWord* e) { - assert(e >= start(), "should be a non-zero range"); - MemRegion::set_end(e); - } - void set_word_size(size_t ws) { - MemRegion::set_word_size(ws); - } - - LiveRange * next() { return (LiveRange *) end(); } - - void move_to(HeapWord* destination) { - Copy::aligned_conjoint_words(start(), destination, word_size()); - } -}; - -#endif // SHARE_VM_GC_SHARED_LIVERANGE_HPP