1 /* 2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package jdk.vm.ci.hotspot; 24 25 import jdk.vm.ci.code.CompilationRequest; 26 import jdk.vm.ci.code.CompilationRequestResult; 27 import jdk.vm.ci.common.JVMCIError; 28 import jdk.vm.ci.runtime.JVMCICompiler; 29 import jdk.vm.ci.runtime.JVMCICompilerFactory; 30 import jdk.vm.ci.runtime.JVMCIRuntime; 31 import jdk.vm.ci.services.Services; 32 33 final class HotSpotJVMCICompilerConfig { 34 35 private static class DummyCompilerFactory implements JVMCICompilerFactory, JVMCICompiler { 36 37 public CompilationRequestResult compileMethod(CompilationRequest request) { 38 throw new JVMCIError("no JVMCI compiler selected"); 39 } 40 41 public String getCompilerName() { 42 return "<none>"; 43 } 44 45 public JVMCICompiler createCompiler(JVMCIRuntime runtime) { 46 return this; 47 } 48 } 49 50 private static JVMCICompilerFactory compilerFactory; 51 52 /** 53 * Selects the system compiler. 54 * 55 * Called from VM. This method has an object return type to allow it to be called with a VM 56 * utility function used to call other static initialization methods. 57 */ 58 static Boolean selectCompiler(String compilerName) { 59 assert compilerFactory == null; 60 for (JVMCICompilerFactory factory : Services.load(JVMCICompilerFactory.class)) { 61 if (factory.getCompilerName().equals(compilerName)) { 62 compilerFactory = factory; 63 return Boolean.TRUE; 64 } 65 } 66 67 throw new JVMCIError("JVMCI compiler '%s' not found", compilerName); 68 } 69 70 static JVMCICompilerFactory getCompilerFactory() { 71 if (compilerFactory == null) { 72 compilerFactory = new DummyCompilerFactory(); 73 } 74 return compilerFactory; 75 } 76 } | 1 /* 2 * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package jdk.vm.ci.hotspot; 24 25 import jdk.vm.ci.code.CompilationRequest; 26 import jdk.vm.ci.code.CompilationRequestResult; 27 import jdk.vm.ci.common.JVMCIError; 28 import jdk.vm.ci.hotspot.HotSpotJVMCIRuntime.Option; 29 import jdk.vm.ci.runtime.JVMCICompiler; 30 import jdk.vm.ci.runtime.JVMCICompilerFactory; 31 import jdk.vm.ci.runtime.JVMCIRuntime; 32 import jdk.vm.ci.services.Services; 33 34 final class HotSpotJVMCICompilerConfig { 35 36 private static class DummyCompilerFactory implements JVMCICompilerFactory, JVMCICompiler { 37 38 public CompilationRequestResult compileMethod(CompilationRequest request) { 39 throw new JVMCIError("no JVMCI compiler selected"); 40 } 41 42 public String getCompilerName() { 43 return "<none>"; 44 } 45 46 public JVMCICompiler createCompiler(JVMCIRuntime runtime) { 47 return this; 48 } 49 } 50 51 /** 52 * Factory of the selected system compiler. 53 */ 54 private static final JVMCICompilerFactory compilerFactory; 55 56 /** 57 * Selects the system compiler by using the system property {@code jvmci.compiler}. 58 */ 59 static { 60 JVMCICompilerFactory factory = null; 61 String compilerName = Option.Compiler.getString(); 62 if (compilerName != null) { 63 for (JVMCICompilerFactory f : Services.load(JVMCICompilerFactory.class)) { 64 if (f.getCompilerName().equals(compilerName)) { 65 factory = f; 66 } 67 } 68 if (factory == null) { 69 throw new JVMCIError("JVMCI compiler '%s' not found", compilerName); 70 } 71 } else { 72 factory = new DummyCompilerFactory(); 73 } 74 compilerFactory = factory; 75 } 76 77 /** 78 * Gets the selected system compiler factory. 79 * 80 * @return the selected system compiler factory 81 */ 82 static JVMCICompilerFactory getCompilerFactory() { 83 return compilerFactory; 84 } 85 } |