JVMCIHelpers.java revision 9287:40bd4478a362 
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
24package compiler.jvmci.common;
25
26import jdk.vm.ci.code.Architecture;
27import jdk.vm.ci.code.CompilationRequest;
28import jdk.vm.ci.hotspot.HotSpotVMEventListener;
29import jdk.vm.ci.meta.ResolvedJavaMethod;
30import jdk.vm.ci.runtime.JVMCICompiler;
31import jdk.vm.ci.runtime.JVMCICompilerFactory;
32import jdk.vm.ci.runtime.JVMCIRuntime;
33
34/*
35 * A stub classes to be able to use jvmci
36 */
37public class JVMCIHelpers {
38
39    public static class EmptyVMEventListener implements HotSpotVMEventListener {
40        // just empty, using default interface methods
41    }
42
43    public static class EmptyHotspotCompiler implements JVMCICompiler {
44
45        @Override
46        public void compileMethod(CompilationRequest request) {
47            // do nothing
48        }
49    }
50
51    public static class EmptyCompilerFactory implements JVMCICompilerFactory {
52
53        @Override
54        public String getCompilerName() {
55            return "EmptyCompiler";
56        }
57
58        @Override
59        public JVMCICompiler createCompiler(JVMCIRuntime runtime) {
60            return new EmptyHotspotCompiler();
61        }
62    }
63}
64