Mercurial > hg > graal-jvmci-8
annotate graal/com.oracle.jvmci.hotspot/src/com/oracle/jvmci/hotspot/HotSpotOptions.java @ 21554:b1530a6cce8c
renamed com.oracle.graal.[debug|options|hotspotvmconfig]* modules to com.oracle.jvmci.[debug|options|hotspotvmconfig]* modules (JBS:GRAAL-53)
author | Doug Simon <doug.simon@oracle.com> |
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date | Tue, 26 May 2015 23:21:15 +0200 |
parents | 9579a3c62a9e |
children | d563baeca9df |
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1 /* |
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2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 package com.oracle.jvmci.hotspot; |
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24 |
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25 import static com.oracle.jvmci.hotspot.HotSpotOptionsLoader.*; |
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26 import static java.lang.Double.*; |
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27 |
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28 import com.oracle.jvmci.debug.*; |
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29 import com.oracle.jvmci.options.*; |
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30 import com.oracle.jvmci.options.OptionUtils.OptionConsumer; |
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31 import com.oracle.jvmci.runtime.*; |
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32 |
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33 //JaCoCo Exclude |
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34 |
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35 /** |
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36 * Sets Graal options from the HotSpot command line. Such options are distinguished by the |
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37 * {@link #GRAAL_OPTION_PREFIX} prefix. |
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38 */ |
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39 public class HotSpotOptions { |
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40 |
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41 private static final String GRAAL_OPTION_PREFIX = "-G:"; |
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42 |
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43 /** |
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44 * Parses the JVMCI specific options specified to HotSpot (e.g., on the command line). |
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45 * |
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46 * @param optionsParsedClass the {@link Class} for {@link OptionsParsed} |
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47 * @return the implementations of {@link OptionsParsed} available |
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48 */ |
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49 private static native OptionsParsed[] parseVMOptions(Class<?> optionsParsedClass); |
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50 |
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51 static { |
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52 // Debug should not be initialized until all options that may affect |
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53 // its initialization have been processed. |
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54 assert !Debug.Initialization.isDebugInitialized() : "The class " + Debug.class.getName() + " must not be initialized before the JVMCI runtime has been initialized. " + |
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55 "This can be fixed by placing a call to " + JVMCI.class.getName() + ".getRuntime() on the path that triggers initialization of " + Debug.class.getName(); |
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56 |
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57 for (OptionsParsed handler : parseVMOptions(OptionsParsed.class)) { |
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58 handler.apply(); |
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59 } |
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60 } |
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61 |
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62 /** |
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63 * Ensures {@link HotSpotOptions} is initialized. |
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64 */ |
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65 public static void initialize() { |
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66 } |
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67 |
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68 /** |
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69 * Helper for the VM code called by {@link #parseVMOptions}. |
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70 * |
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71 * @param name the name of a parsed option |
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72 * @param option the object encapsulating the option |
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73 * @param spec specification of boolean option value, type of option value or action to take |
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74 */ |
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75 static void setOption(String name, OptionValue<?> option, char spec, String stringValue, long primitiveValue) { |
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76 switch (spec) { |
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77 case '+': |
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78 option.setValue(Boolean.TRUE); |
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79 break; |
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80 case '-': |
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81 option.setValue(Boolean.FALSE); |
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82 break; |
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83 case '?': |
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84 OptionUtils.printFlags(options, GRAAL_OPTION_PREFIX); |
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85 break; |
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86 case ' ': |
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87 OptionUtils.printNoMatchMessage(options, name, GRAAL_OPTION_PREFIX); |
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88 break; |
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89 case 'i': |
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90 option.setValue((int) primitiveValue); |
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91 break; |
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92 case 'f': |
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93 option.setValue((float) longBitsToDouble(primitiveValue)); |
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94 break; |
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95 case 'd': |
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96 option.setValue(longBitsToDouble(primitiveValue)); |
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97 break; |
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98 case 's': |
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99 option.setValue(stringValue); |
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100 break; |
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101 } |
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102 } |
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103 |
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104 /** |
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105 * Parses a given option value specification. |
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106 * |
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107 * @param option the specification of an option and its value |
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108 * @param setter the object to notify of the parsed option and value. If null, the |
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109 * {@link OptionValue#setValue(Object)} method of the specified option is called |
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110 * instead. |
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111 */ |
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112 public static boolean parseOption(String option, OptionConsumer setter) { |
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113 return OptionUtils.parseOption(options, option, GRAAL_OPTION_PREFIX, setter); |
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114 } |
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115 } |