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annotate c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/HotSpotVMConfig.java @ 1422:3483ec571caf

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* using reflected objects instead of oops * removed scratch from allocatable registers * instanceof xir snippet * arraylength xir snippet * exceptionobject xir snippet * VMEntries and VMExits as interfaces * calls to VMEntries and VMExits are routet through logging proxies
author Lukas Stadler <lukas.stadler@oracle.com>
date Mon, 02 Aug 2010 15:44:38 -0700
parents 6223633ce7dd
children 760213a60e8b
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1 /*
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2 * Copyright (c) 2010 Sun Microsystems, Inc. All rights reserved.
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3 *
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4 * Sun Microsystems, Inc. has intellectual property rights relating to technology embodied in the product that is
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5 * described in this document. In particular, and without limitation, these intellectual property rights may include one
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6 * or more of the U.S. patents listed at http://www.sun.com/patents and one or more additional patents or pending patent
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7 * applications in the U.S. and in other countries.
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8 *
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9 * U.S. Government Rights - Commercial software. Government users are subject to the Sun Microsystems, Inc. standard
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10 * license agreement and applicable provisions of the FAR and its supplements.
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11 *
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12 * Use is subject to license terms. Sun, Sun Microsystems, the Sun logo, Java and Solaris are trademarks or registered
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13 * trademarks of Sun Microsystems, Inc. in the U.S. and other countries. All SPARC trademarks are used under license and
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14 * are trademarks or registered trademarks of SPARC International, Inc. in the U.S. and other countries.
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15 *
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16 * UNIX is a registered trademark in the U.S. and other countries, exclusively licensed through X/Open Company, Ltd.
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17 */
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18 package com.sun.hotspot.c1x;
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20 /**
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21 * Used to communicate configuration details, runtime offsets, etc. to c1x upon compileMethod.
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22 *
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23 * @author Lukas Stadler
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24 */
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25 public class HotSpotVMConfig {
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27 // os information, register layout, code generation, ...
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28 public boolean windowsOs;
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29 public int codeEntryAlignment;
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30
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31 // offsets, ...
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32 public int vmPageSize;
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33 public int stackShadowPages;
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34 public int hubOffset;
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35 public int arrayLengthOffset;
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36
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37 // runtime stubs
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38 public long instanceofStub;
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39 public long debugStub;
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41 public void check() {
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42 assert vmPageSize >= 16;
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43 assert codeEntryAlignment > 0;
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44 assert stackShadowPages > 0;
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45 assert instanceofStub != 0;
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46 assert debugStub != 0;
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47 System.out.println("Config::debugStub = " + Long.toHexString(debugStub));
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48 System.out.println("Config::instanceofStub = " + Long.toHexString(instanceofStub));
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49 }
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50
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51 }