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annotate c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/HotSpotTargetMethod.java @ 2054:3c0a889a176b

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Added GC stats. Enabling intrinsics.
author Thomas Wuerthinger <wuerthinger@ssw.jku.at>
date Wed, 12 Jan 2011 19:14:32 +0100
parents 0db8c8cc5b4a
children 569d3fe7d65c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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
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5 * that is described in this document. In particular, and without limitation, these intellectual property
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6 * rights may include one or more of the U.S. patents listed at http://www.sun.com/patents and one or
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7 * more additional patents or pending patent 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
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10 * Microsystems, Inc. standard license agreement and applicable provisions of the FAR and its
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11 * supplements.
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12 *
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13 * Use is subject to license terms. Sun, Sun Microsystems, the Sun logo, Java and Solaris are trademarks or
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14 * registered trademarks of Sun Microsystems, Inc. in the U.S. and other countries. All SPARC trademarks
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15 * are used under license and are trademarks or registered trademarks of SPARC International, Inc. in the
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16 * U.S. and other countries.
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17 *
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18 * UNIX is a registered trademark in the U.S. and other countries, exclusively licensed through X/Open
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19 * Company, Ltd.
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20 */
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21 package com.sun.hotspot.c1x;
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23 import java.util.*;
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24
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25 import com.sun.cri.ci.*;
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26 import com.sun.cri.ci.CiTargetMethod.*;
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27 import com.sun.hotspot.c1x.logging.*;
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28
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29 /**
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30 * CiTargetMethod augmented with HotSpot-specific information.
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31 *
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32 * @author Lukas Stadler
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33 */
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34 public final class HotSpotTargetMethod extends CompilerObject {
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35
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36 public final CiTargetMethod targetMethod;
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37 public final HotSpotMethodResolved method; // used only for methods
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38 public final String name; // used only for stubs
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39
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40 public final Site[] sites;
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41 public final ExceptionHandler[] exceptionHandlers;
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42
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43 private HotSpotTargetMethod(HotSpotMethodResolved method, CiTargetMethod targetMethod) {
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44 this.method = method;
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45 this.targetMethod = targetMethod;
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46 this.name = null;
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47
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48 sites = getSortedSites(targetMethod);
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49 if (targetMethod.exceptionHandlers == null) {
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50 exceptionHandlers = null;
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51 } else {
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52 exceptionHandlers = targetMethod.exceptionHandlers.toArray(new ExceptionHandler[targetMethod.exceptionHandlers.size()]);
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53 }
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54 }
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55
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56 private HotSpotTargetMethod(CiTargetMethod targetMethod, String name) {
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57 this.method = null;
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58 this.targetMethod = targetMethod;
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59 this.name = name;
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60
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61 sites = getSortedSites(targetMethod);
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62 assert targetMethod.exceptionHandlers == null || targetMethod.exceptionHandlers.size() == 0;
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63 exceptionHandlers = null;
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64 }
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65
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66 private Site[] getSortedSites(CiTargetMethod target) {
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67 List<?>[] lists = new List<?>[] {target.directCalls, target.indirectCalls, target.safepoints, target.dataReferences, target.marks};
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68 int count = 0;
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69 for (List<?> list : lists) {
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70 count += list.size();
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71 }
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72 Site[] result = new Site[count];
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73 int pos = 0;
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74 for (List<?> list : lists) {
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75 for (Object elem : list) {
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76 result[pos++] = (Site) elem;
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77 }
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78 }
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79 Arrays.sort(result, new Comparator<Site>() {
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80
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81 public int compare(Site s1, Site s2) {
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82 if (s1.pcOffset == s2.pcOffset && (s1 instanceof Mark ^ s2 instanceof Mark)) {
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83 return s1 instanceof Mark ? -1 : 1;
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84 }
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85 return s1.pcOffset - s2.pcOffset;
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86 }
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87 });
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88 if (Logger.ENABLED) {
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89 for (Site site : result) {
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90 Logger.log(site.pcOffset + ": " + site);
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91 }
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92 }
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93 return result;
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94 }
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95
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96 public static void installMethod(HotSpotMethodResolved method, CiTargetMethod targetMethod) {
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97 Compiler.getVMEntries().installMethod(new HotSpotTargetMethod(method, targetMethod));
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98 }
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99
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100 public static Object installStub(CiTargetMethod targetMethod, String name) {
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101 return Compiler.getVMEntries().installStub(new HotSpotTargetMethod(targetMethod, name));
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102 }
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103
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104 }