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 24 package compiler.jvmci.common; 25 26 import jdk.vm.ci.code.Architecture; 27 import jdk.vm.ci.hotspot.HotSpotVMEventListener; 28 import jdk.vm.ci.compiler.Compiler; 29 import jdk.vm.ci.compiler.CompilerFactory; 30 import jdk.vm.ci.meta.ResolvedJavaMethod; 31 import jdk.vm.ci.runtime.JVMCIRuntime; 32 33 /* 34 * A stub classes to be able to use jvmci 35 */ 36 public class JVMCIHelpers { 37 38 public static class EmptyVMEventListener implements HotSpotVMEventListener { 39 // just empty, using default interface methods 40 } 41 42 public static class EmptyHotspotCompiler implements Compiler { 43 44 @Override 45 public void compileMethod(ResolvedJavaMethod method, int entryBCI, 46 long jvmciEnv, int id) { 47 // do nothing 48 } 49 } 50 51 public static class EmptyCompilerFactory implements CompilerFactory { 52 53 @Override 54 public String getCompilerName() { 55 return "EmptyCompiler"; 56 } 57 58 @Override 59 public Architecture initializeArchitecture(Architecture arch) { 60 return arch; 61 } 62 63 @Override 64 public Compiler createCompiler(JVMCIRuntime runtime) { 65 return new EmptyHotspotCompiler(); 66 } 67 } 68 }