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annotate jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotJVMCICompilerConfig.java @ 22767:d88299d598d6

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Add support for passing back bailout messages
author Tom Rodriguez <tom.rodriguez@oracle.com>
date Tue, 12 Jan 2016 12:54:31 -0800
parents f2206f5bb62e
children 1fbfcc0334d3
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright (c) 2015, 2015, 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.CompilationRequestFailure;
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27 import jdk.vm.ci.common.JVMCIError;
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28 import jdk.vm.ci.runtime.JVMCICompiler;
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29 import jdk.vm.ci.runtime.JVMCICompilerFactory;
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30 import jdk.vm.ci.runtime.JVMCIRuntime;
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31 import jdk.vm.ci.services.Services;
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32
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33 final class HotSpotJVMCICompilerConfig {
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34
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35 private static class DummyCompilerFactory implements JVMCICompilerFactory, JVMCICompiler {
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36
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37 public CompilationRequestFailure compileMethod(CompilationRequest request) {
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38 throw new JVMCIError("no JVMCI compiler selected");
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39 }
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40
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41 public String getCompilerName() {
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42 return "<none>";
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43 }
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44
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45 public JVMCICompiler createCompiler(JVMCIRuntime runtime) {
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46 return this;
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47 }
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48 }
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49
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50 private static JVMCICompilerFactory compilerFactory;
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51
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52 /**
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53 * Selects the system compiler.
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54 *
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55 * Called from VM. This method has an object return type to allow it to be called with a VM
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56 * utility function used to call other static initialization methods.
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57 */
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58 static Boolean selectCompiler(String compilerName) {
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59 assert compilerFactory == null;
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60 for (JVMCICompilerFactory factory : Services.load(JVMCICompilerFactory.class)) {
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61 if (factory.getCompilerName().equals(compilerName)) {
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62 compilerFactory = factory;
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63 return Boolean.TRUE;
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64 }
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65 }
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66
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67 throw new JVMCIError("JVMCI compiler '%s' not found", compilerName);
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68 }
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69
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70 static JVMCICompilerFactory getCompilerFactory() {
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71 if (compilerFactory == null) {
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72 compilerFactory = new DummyCompilerFactory();
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73 }
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74 return compilerFactory;
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75 }
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76 }