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comparison jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotJVMCICompilerConfig.java @ 22672:1bbd4a7c274b

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Rename jdk.internal.jvmci to jdk.vm.ci
author Tom Rodriguez <tom.rodriguez@oracle.com>
date Thu, 08 Oct 2015 17:28:41 -0700
parents jvmci/jdk.internal.jvmci.hotspot/src/jdk/internal/jvmci/hotspot/HotSpotJVMCICompilerConfig.java@bec9cd4e731a
children 57646377e480
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22671:97f30e4d0e95 22672:1bbd4a7c274b
1 /*
2 * Copyright (c) 2015, 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.common.JVMCIError;
27 import jdk.vm.ci.compiler.Compiler;
28 import jdk.vm.ci.compiler.CompilerFactory;
29 import jdk.vm.ci.runtime.JVMCIRuntime;
30 import jdk.vm.ci.service.Services;
31
32 final class HotSpotJVMCICompilerConfig {
33
34 private static class DummyCompilerFactory implements CompilerFactory, Compiler {
35
36 public void compileMethod(CompilationRequest request) {
37 throw new JVMCIError("no JVMCI compiler selected");
38 }
39
40 public String getCompilerName() {
41 return "<none>";
42 }
43
44 public Compiler createCompiler(JVMCIRuntime runtime) {
45 return this;
46 }
47 }
48
49 private static CompilerFactory compilerFactory;
50
51 /**
52 * Selects the system compiler.
53 *
54 * Called from VM. This method has an object return type to allow it to be called with a VM
55 * utility function used to call other static initialization methods.
56 */
57 static Boolean selectCompiler(String compilerName) {
58 assert compilerFactory == null;
59 for (CompilerFactory factory : Services.load(CompilerFactory.class)) {
60 if (factory.getCompilerName().equals(compilerName)) {
61 compilerFactory = factory;
62 return Boolean.TRUE;
63 }
64 }
65
66 throw new JVMCIError("JVMCI compiler '%s' not found", compilerName);
67 }
68
69 static CompilerFactory getCompilerFactory() {
70 if (compilerFactory == null) {
71 compilerFactory = new DummyCompilerFactory();
72 }
73 return compilerFactory;
74 }
75 }