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annotate c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/HotSpotTargetMethod.java @ 1423:760213a60e8b

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* 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
parents 3483ec571caf
children 149b1d2316de
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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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19
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20 import java.util.*;
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21
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22 import com.sun.cri.ci.*;
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23 import com.sun.cri.ci.CiTargetMethod.Site;
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25 /**
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26 * CiTargetMethod augmented with HotSpot-specific information.
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27 *
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28 * @author Lukas Stadler
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29 */
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30 public class HotSpotTargetMethod implements CompilerObject {
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31
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32 public final CiTargetMethod targetMethod;
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33 public final HotSpotMethod method; // used only for methods
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34 public final String name; // used only for stubs
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35
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36 public final Site[] sites;
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37
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38 private HotSpotTargetMethod(HotSpotMethod method, CiTargetMethod targetMethod) {
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39 this.method = method;
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40 this.targetMethod = targetMethod;
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41 this.name = null;
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42
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43 sites = getSortedSites(targetMethod);
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44 }
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45
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46 private HotSpotTargetMethod(CiTargetMethod targetMethod, String name) {
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47 this.method = null;
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48 this.targetMethod = targetMethod;
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49 this.name = name;
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50
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51 sites = getSortedSites(targetMethod);
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52 }
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53
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54 private Site[] getSortedSites(CiTargetMethod target) {
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55 List<?>[] lists = new List<?>[] {target.directCalls, target.indirectCalls, target.safepoints, target.dataReferences, target.exceptionHandlers, target.marks};
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56 int count = 0;
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57 for (List<?> list: lists) {
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58 count += list.size();
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59 }
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60 Site[] result = new Site[count];
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61 int pos = 0;
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62 for (List<?> list: lists) {
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63 for (Object elem: list) {
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64 result[pos++] = (Site)elem;
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65 }
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66 }
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67 Arrays.sort(result, new Comparator<Site>() {
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68 public int compare(Site s1, Site s2) {
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69 return s1.pcOffset - s2.pcOffset;
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70 }
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71 });
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72 return result;
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73 }
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74
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75 public static void installMethod(HotSpotMethod method, CiTargetMethod targetMethod) {
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76 Compiler.getVMEntries().installMethod(new HotSpotTargetMethod(method, targetMethod));
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77 }
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78
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79 public static Object installStub(CiTargetMethod targetMethod, String name) {
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80 return Compiler.getVMEntries().installStub(new HotSpotTargetMethod(targetMethod, name));
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81 }
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82
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83 }