/*

 * Copyright (c) 2014, 2016, 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.

 *

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package jdk.vm.ci.hotspot;

import jdk.vm.ci.hotspot.HotSpotVMConfig.CompressEncoding;

import jdk.vm.ci.meta.Constant;

import jdk.vm.ci.meta.JavaConstant;

import jdk.vm.ci.meta.MemoryAccessProvider;

/**

 * HotSpot specific extension of {@link MemoryAccessProvider}.

 */

public interface HotSpotMemoryAccessProvider extends MemoryAccessProvider {

    JavaConstant readNarrowOopConstant(Constant base, long displacement, CompressEncoding encoding);

    Constant readKlassPointerConstant(Constant base, long displacement);

    Constant readNarrowKlassPointerConstant(Constant base, long displacement, CompressEncoding encoding);

    Constant readMethodPointerConstant(Constant base, long displacement);

}