Mercurial > hg > graal-jvmci-8

annotate graal/Runtime/src/com/sun/hotspot/c1x/HotSpotOptions.java @ 2492:4e5515d09314

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Fixed merge issues. - Accessing static fields from the java.lang.Class object instead of the klassOop (1-line-change) - Fixed issue with RiField object caching (the caching was only taking the offset as a field ID, but need to take offset+is_static)
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Fri, 22 Apr 2011 19:00:07 +0200
parents 099e697d8934
children d8891d81dc8e
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1 /*
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2 * Copyright (c) 2011 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
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22 package com.sun.hotspot.c1x;
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23
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24 import java.lang.reflect.*;
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25
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26 import com.sun.c1x.*;
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27 import com.sun.hotspot.c1x.logging.*;
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28
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29 public class HotSpotOptions {
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30
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31 public static void setDefaultOptions() {
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32 C1XOptions.setOptimizationLevel(3);
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33 C1XOptions.OptInlineExcept = false;
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34 C1XOptions.OptInlineSynchronized = false;
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35 C1XOptions.DetailedAsserts = false;
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36 C1XOptions.CommentedAssembly = false;
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37 C1XOptions.MethodEndBreakpointGuards = 2;
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38 }
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39
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40 public static boolean setOption(String option) {
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41 if (option.length() == 0) {
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42 return false;
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43 }
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44
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45 Object value = null;
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46 String fieldName = null;
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47 String valueString = null;
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48
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49 char first = option.charAt(0);
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50 if (first == '+' || first == '-') {
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51 fieldName = option.substring(1);
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52 value = (first == '+');
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53 } else {
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54 int index = option.indexOf('=');
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55 if (index == -1) {
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56 return false;
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57 }
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58 fieldName = option.substring(0, index);
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59 valueString = option.substring(index + 1);
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60 }
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61
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62 Field f;
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63 try {
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64 f = C1XOptions.class.getField(fieldName);
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65
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66 if (value == null) {
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67 if (f.getType() == Float.TYPE) {
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68 value = Float.parseFloat(valueString);
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69 } else if (f.getType() == Double.TYPE) {
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70 value = Double.parseDouble(valueString);
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71 } else if (f.getType() == Integer.TYPE) {
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72 value = Integer.parseInt(valueString);
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73 } else if (f.getType() == Boolean.TYPE) {
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74 value = Boolean.parseBoolean(valueString);
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75 } else if (f.getType() == String.class) {
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76 value = valueString;
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77 }
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78 }
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79 if (value != null) {
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80 f.set(null, value);
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81 Logger.info("Set option " + fieldName + " to " + value);
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82 } else {
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83 Logger.info("Wrong value \"" + valueString + "\" for option " + fieldName);
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84 return false;
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85 }
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86 } catch (SecurityException e) {
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87 Logger.info("Security exception when setting option " + option);
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88 return false;
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89 } catch (NoSuchFieldException e) {
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90 Logger.info("Could not find option " + fieldName);
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91 return false;
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92 } catch (IllegalArgumentException e) {
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93 Logger.info("Illegal value for option " + option);
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94 return false;
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95 } catch (IllegalAccessException e) {
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96 Logger.info("Illegal access exception when setting option " + option);
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97 return false;
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98 }
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99
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100 return true;
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101 }
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102 }