Mercurial > hg > graal-jvmci-8
view jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotJVMCICompilerConfig.java @ 22694:023981d7f257
Fix deadlock between JVMCI.initialize and HotSpotJVMCIRuntime.runtime
author | Tom Rodriguez <tom.rodriguez@oracle.com> |
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date | Mon, 19 Oct 2015 10:24:05 -0700 |
parents | 1bbd4a7c274b |
children | 57646377e480 |
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/* * Copyright (c) 2015, 2015, 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.common.JVMCIError; import jdk.vm.ci.compiler.Compiler; import jdk.vm.ci.compiler.CompilerFactory; import jdk.vm.ci.runtime.JVMCIRuntime; import jdk.vm.ci.service.Services; final class HotSpotJVMCICompilerConfig { private static class DummyCompilerFactory implements CompilerFactory, Compiler { public void compileMethod(CompilationRequest request) { throw new JVMCIError("no JVMCI compiler selected"); } public String getCompilerName() { return "<none>"; } public Compiler createCompiler(JVMCIRuntime runtime) { return this; } } private static CompilerFactory compilerFactory; /** * Selects the system compiler. * * Called from VM. This method has an object return type to allow it to be called with a VM * utility function used to call other static initialization methods. */ static Boolean selectCompiler(String compilerName) { assert compilerFactory == null; for (CompilerFactory factory : Services.load(CompilerFactory.class)) { if (factory.getCompilerName().equals(compilerName)) { compilerFactory = factory; return Boolean.TRUE; } } throw new JVMCIError("JVMCI compiler '%s' not found", compilerName); } static CompilerFactory getCompilerFactory() { if (compilerFactory == null) { compilerFactory = new DummyCompilerFactory(); } return compilerFactory; } }