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annotate c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/HotSpotTargetMethod.java @ 1429:abc670a709dc

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* -XX:TraceC1X=0...5 controls the native c1x tracing * -Dc1x.debug=true turns on the logging proxies and lots of log output on the java side * provide more information about types to the compiler (type hierarchy, etc) * provide exception handler tables to the compiler * add exception handlers to the nmethod * correct implementation of ExceptionObject * exception handling/unwinding entry points * modified versions of handle/unwind exception stubs using standard calling conventions * exception throwing * implicit null pointer exception, implicit div by 0 exception * arraystore/classcast/arrayindex exceptions * checkcast implementation * newarray, anewarray, multinewarray implementation * correct new instance initialization * access to java class mirrors (for ldc) * unresolved methods * class resolving - class patching (asssembly prototype copying)
author Lukas Stadler <lukas.stadler@oracle.com>
date Tue, 31 Aug 2010 22:13:30 -0700
parents 149b1d2316de
children 9e5e83ca2259
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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.*;
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24 import com.sun.hotspot.c1x.logging.*;
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25
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26 /**
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27 * CiTargetMethod augmented with HotSpot-specific information.
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28 *
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29 * @author Lukas Stadler
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30 */
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31 public class HotSpotTargetMethod implements CompilerObject {
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32
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33 public final CiTargetMethod targetMethod;
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34 public final HotSpotMethodResolved method; // used only for methods
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35 public final String name; // used only for stubs
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36
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37 public final Site[] sites;
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38 public final ExceptionHandler[] exceptionHandlers;
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39
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40 private HotSpotTargetMethod(HotSpotMethodResolved method, CiTargetMethod targetMethod) {
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41 this.method = method;
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42 this.targetMethod = targetMethod;
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43 this.name = null;
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44
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45 sites = getSortedSites(targetMethod);
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46 if (targetMethod.exceptionHandlers == null) {
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47 exceptionHandlers = null;
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48 } else {
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49 exceptionHandlers = targetMethod.exceptionHandlers.toArray(new ExceptionHandler[targetMethod.exceptionHandlers.size()]);
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50 }
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51 }
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52
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53 private HotSpotTargetMethod(CiTargetMethod targetMethod, String name) {
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54 this.method = null;
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55 this.targetMethod = targetMethod;
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56 this.name = name;
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57
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58 sites = getSortedSites(targetMethod);
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59 assert targetMethod.exceptionHandlers == null || targetMethod.exceptionHandlers.size() == 0;
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60 exceptionHandlers = null;
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61 }
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62
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63 private Site[] getSortedSites(CiTargetMethod target) {
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64 List<?>[] lists = new List<?>[] { target.directCalls, target.indirectCalls, target.safepoints, target.dataReferences, target.marks};
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65 int count = 0;
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66 for (List<?> list : lists) {
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67 count += list.size();
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68 }
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69 Site[] result = new Site[count];
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70 int pos = 0;
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71 for (List<?> list : lists) {
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72 for (Object elem : list) {
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73 result[pos++] = (Site) elem;
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74 }
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75 }
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76 Arrays.sort(result, new Comparator<Site>() {
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77
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78 public int compare(Site s1, Site s2) {
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79 if (s1.pcOffset == s2.pcOffset && (s1 instanceof Mark ^ s2 instanceof Mark)) {
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80 return s1 instanceof Mark ? -1 : 1;
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81 }
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82 return s1.pcOffset - s2.pcOffset;
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83 }
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84 });
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85 if (Logger.ENABLED)
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86 for (Site site : result)
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87 Logger.log(site.pcOffset + ": " + site);
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88 return result;
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89 }
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90
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91 public static void installMethod(HotSpotMethodResolved method, CiTargetMethod targetMethod) {
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92 Compiler.getVMEntries().installMethod(new HotSpotTargetMethod(method, targetMethod));
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93 }
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94
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95 public static Object installStub(CiTargetMethod targetMethod, String name) {
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96 return Compiler.getVMEntries().installStub(new HotSpotTargetMethod(targetMethod, name));
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97 }
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98
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99 }