view c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/HotSpotTarget.java @ 1423:760213a60e8b

* rewrite of the code installation * partial support for safepoints * macro-based CiTargetMethod interface * code stub support
author Lukas Stadler <lukas.stadler@oracle.com>
date Mon, 16 Aug 2010 18:59:36 -0700
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children 9e5e83ca2259
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/*
 * Copyright (c) 2010 Sun Microsystems, Inc. All rights reserved.
 *
 * Sun Microsystems, Inc. has intellectual property rights relating to technology embodied in the product that is
 * described in this document. In particular, and without limitation, these intellectual property rights may include one
 * or more of the U.S. patents listed at http://www.sun.com/patents and one or more additional patents or pending patent
 * applications in the U.S. and in other countries.
 *
 * U.S. Government Rights - Commercial software. Government users are subject to the Sun Microsystems, Inc. standard
 * license agreement and applicable provisions of the FAR and its supplements.
 *
 * Use is subject to license terms. Sun, Sun Microsystems, the Sun logo, Java and Solaris are trademarks or registered
 * trademarks of Sun Microsystems, Inc. in the U.S. and other countries. All SPARC trademarks are used under license and
 * are trademarks or registered trademarks of SPARC International, Inc. in the U.S. and other countries.
 *
 * UNIX is a registered trademark in the U.S. and other countries, exclusively licensed through X/Open Company, Ltd.
 */
package com.sun.hotspot.c1x;

import com.sun.cri.ci.*;
import com.sun.cri.ri.*;

/**
 * HotSpot-specific CiTarget that provides the correct stack frame size alignment.
 *
 * @author Lukas Stadler
 */
public class HotSpotTarget extends CiTarget {

    public HotSpotTarget(CiArchitecture arch, RiRegisterConfig registerConfig, boolean isMP, int spillSlotSize, int wordSize, int referenceSize, int stackAlignment, int pageSize, int cacheAlignment,
                    int heapAlignment, int codeAlignment, boolean inlineObjects) {
        super(arch, registerConfig, isMP, spillSlotSize, wordSize, referenceSize, stackAlignment, pageSize, cacheAlignment, heapAlignment, codeAlignment, inlineObjects);
    }

    @Override
    public int alignFrameSize(int frameSize) {
        // account for the stored rbp value
        return super.alignFrameSize(frameSize + wordSize) - wordSize;
    }
}