Mercurial > hg > graal-jvmci-8
view jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotJVMCICompilerConfig.java @ 23728:995af926c06b
Fixed vtable size computation in HotSpotVMConfig and add test
author | Tom Rodriguez <tom.rodriguez@oracle.com> |
---|---|
date | Fri, 15 Jul 2016 09:38:27 -0700 |
parents | 5595ab8ba8bd |
children | 5cf445d2acf6 |
line wrap: on
line source
/* * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package jdk.vm.ci.hotspot; import jdk.vm.ci.code.CompilationRequest; import jdk.vm.ci.code.CompilationRequestResult; import jdk.vm.ci.common.JVMCIError; import jdk.vm.ci.hotspot.HotSpotJVMCIRuntime.Option; import jdk.vm.ci.runtime.JVMCICompiler; import jdk.vm.ci.runtime.JVMCIRuntime; import jdk.vm.ci.runtime.services.JVMCICompilerFactory; import jdk.vm.ci.services.Services; final class HotSpotJVMCICompilerConfig { /** * This factory allows JVMCI initialization to succeed but raises an error if the VM asks JVMCI * to perform a compilation. This allows the reflective parts of the JVMCI API to be used * without requiring a compiler implementation to be available. */ private static class DummyCompilerFactory extends JVMCICompilerFactory implements JVMCICompiler { public CompilationRequestResult compileMethod(CompilationRequest request) { throw new JVMCIError("no JVMCI compiler selected"); } @Override public String getCompilerName() { return "<none>"; } @Override public JVMCICompiler createCompiler(JVMCIRuntime runtime) { return this; } } /** * Factory of the selected system compiler. */ private static JVMCICompilerFactory compilerFactory; /** * Gets the selected system compiler factory. * * @return the selected system compiler factory */ static JVMCICompilerFactory getCompilerFactory() { if (compilerFactory == null) { JVMCICompilerFactory factory = null; String compilerName = Option.Compiler.getString(); if (compilerName != null) { for (JVMCICompilerFactory f : Services.load(JVMCICompilerFactory.class)) { if (f.getCompilerName().equals(compilerName)) { factory = f; } } if (factory == null) { throw new JVMCIError("JVMCI compiler '%s' not found", compilerName); } } else { // Auto select a single available compiler for (JVMCICompilerFactory f : Services.load(JVMCICompilerFactory.class)) { if (factory == null) { factory = f; } else { // Multiple factories seen - cancel auto selection factory = null; break; } } if (factory == null) { factory = new DummyCompilerFactory(); } } factory.onSelection(); compilerFactory = factory; } return compilerFactory; } }