annotate jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotJVMCICompilerConfig.java @ 23703:9ac04c6047c8

sync with jdk9 changes for JDK-8159613
author Doug Simon <doug.simon@oracle.com>
date Tue, 21 Jun 2016 09:48:02 +0200
parents b3a816d3b844
children c61554b3f6df
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1 /*
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2 * Copyright (c) 2015, 2016, 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 jdk.vm.ci.hotspot;
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24
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25 import jdk.vm.ci.code.CompilationRequest;
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26 import jdk.vm.ci.code.CompilationRequestResult;
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27 import jdk.vm.ci.common.JVMCIError;
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28 import jdk.vm.ci.hotspot.HotSpotJVMCIRuntime.Option;
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29 import jdk.vm.ci.runtime.JVMCICompiler;
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30 import jdk.vm.ci.runtime.JVMCIRuntime;
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31 import jdk.vm.ci.runtime.services.JVMCICompilerFactory;
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32 import jdk.vm.ci.services.Services;
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33
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34 final class HotSpotJVMCICompilerConfig {
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35
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36 private static class DummyCompilerFactory extends JVMCICompilerFactory implements JVMCICompiler {
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37
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38 public CompilationRequestResult compileMethod(CompilationRequest request) {
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39 throw new JVMCIError("no JVMCI compiler selected");
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40 }
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41
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42 @Override
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43 public String getCompilerName() {
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44 return "<none>";
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45 }
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46
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47 @Override
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48 public JVMCICompiler createCompiler(JVMCIRuntime runtime) {
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49 return this;
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50 }
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51 }
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52
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53 /**
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54 * Factory of the selected system compiler.
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55 */
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56 private static JVMCICompilerFactory compilerFactory;
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57
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58 /**
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59 * Gets the selected system compiler factory.
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60 *
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61 * @return the selected system compiler factory
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62 */
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63 static JVMCICompilerFactory getCompilerFactory() {
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64 if (compilerFactory == null) {
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65 JVMCICompilerFactory factory = null;
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66 String compilerName = Option.Compiler.getString();
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67 if (compilerName != null) {
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68 for (JVMCICompilerFactory f : Services.load(JVMCICompilerFactory.class)) {
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69 if (f.getCompilerName().equals(compilerName)) {
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70 f.onSelection();
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71 factory = f;
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72 }
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73 }
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74 if (factory == null) {
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75 throw new JVMCIError("JVMCI compiler '%s' not found", compilerName);
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76 }
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77 } else {
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78 factory = new DummyCompilerFactory();
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79 }
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80 compilerFactory = factory;
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81 }
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82 return compilerFactory;
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83 }
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84 }