001/*
002 * Copyright (c) 2014, 2014, Oracle and/or its affiliates. All rights reserved.
003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004 *
005 * This code is free software; you can redistribute it and/or modify it
006 * under the terms of the GNU General Public License version 2 only, as
007 * published by the Free Software Foundation.
008 *
009 * This code is distributed in the hope that it will be useful, but WITHOUT
010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
011 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
012 * version 2 for more details (a copy is included in the LICENSE file that
013 * accompanied this code).
014 *
015 * You should have received a copy of the GNU General Public License version
016 * 2 along with this work; if not, write to the Free Software Foundation,
017 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
018 *
019 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
020 * or visit www.oracle.com if you need additional information or have any
021 * questions.
022 */
023package com.oracle.graal.lir.framemap;
024
025import java.util.*;
026
027import jdk.internal.jvmci.code.*;
028import jdk.internal.jvmci.meta.*;
029
030/**
031 * Represents a {@link #getSlots() numbered} range of {@link VirtualStackSlot virtual stack slot} of
032 * size {@link TargetDescription#wordSize}.
033 */
034public class VirtualStackSlotRange extends VirtualStackSlot {
035
036    private final BitSet objects;
037    private final int slots;
038
039    public VirtualStackSlotRange(int id, int slots, BitSet objects) {
040        super(id, LIRKind.reference(Kind.Object));
041        this.slots = slots;
042        this.objects = (BitSet) objects.clone();
043    }
044
045    public int getSlots() {
046        return slots;
047    }
048
049    public BitSet getObjects() {
050        return (BitSet) objects.clone();
051    }
052
053}