Mercurial > hg > graal-jvmci-8
view jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotJVMCICompilerConfig.java @ 22781:5d06abd6d35b
Backport isImmutablePIC field from jvmci-9, and add documentation.
author | Roland Schatz <roland.schatz@oracle.com> |
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date | Wed, 20 Jan 2016 11:13:45 +0100 |
parents | 1fbfcc0334d3 |
children | c1935b089c01 |
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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.code.CompilationRequestResult; import jdk.vm.ci.common.JVMCIError; import jdk.vm.ci.runtime.JVMCICompiler; import jdk.vm.ci.runtime.JVMCICompilerFactory; import jdk.vm.ci.runtime.JVMCIRuntime; import jdk.vm.ci.services.Services; final class HotSpotJVMCICompilerConfig { private static class DummyCompilerFactory implements JVMCICompilerFactory, JVMCICompiler { public CompilationRequestResult compileMethod(CompilationRequest request) { throw new JVMCIError("no JVMCI compiler selected"); } public String getCompilerName() { return "<none>"; } public JVMCICompiler createCompiler(JVMCIRuntime runtime) { return this; } } private static JVMCICompilerFactory 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 (JVMCICompilerFactory factory : Services.load(JVMCICompilerFactory.class)) { if (factory.getCompilerName().equals(compilerName)) { compilerFactory = factory; return Boolean.TRUE; } } throw new JVMCIError("JVMCI compiler '%s' not found", compilerName); } static JVMCICompilerFactory getCompilerFactory() { if (compilerFactory == null) { compilerFactory = new DummyCompilerFactory(); } return compilerFactory; } }