Mercurial > hg > graal-jvmci-8
diff jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotJVMCICompilerFactory.java @ 23785:5cf445d2acf6 jvmci-0.22
Exported elements referring to inaccessible types in jdk.vm.ci (JDK-8167180)
author | Doug Simon <doug.simon@oracle.com> |
---|---|
date | Tue, 11 Oct 2016 22:13:23 +0200 |
parents | jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/services/HotSpotJVMCICompilerFactory.java@b5557b757040 |
children |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotJVMCICompilerFactory.java Tue Oct 11 22:13:23 2016 +0200 @@ -0,0 +1,94 @@ +/* + * Copyright (c) 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.runtime.JVMCICompilerFactory; + +/** + * HotSpot extensions to {@link JVMCICompilerFactory}. + */ +public abstract class HotSpotJVMCICompilerFactory implements JVMCICompilerFactory { + + /** + * Gets 0 or more prefixes identifying classes that should by compiled by C1 in simple mode + * (i.e., {@code CompLevel_simple}) when HotSpot is running with tiered compilation. The + * prefixes should be class or package names using "/" as the separator, e.g. "jdk/vm/ci". + * + * @return 0 or more Strings identifying packages that should by compiled by the first tier only + * or null if no redirection to C1 should be performed. + */ + public String[] getTrivialPrefixes() { + return null; + } + + public enum CompilationLevelAdjustment { + /** + * No adjustment. + */ + None, + + /** + * Adjust based on declaring class of method. + */ + ByHolder, + + /** + * Adjust based on declaring class, name and signature of method. + */ + ByFullSignature + } + + /** + * Determines if this object may want to adjust the compilation level for a method that is being + * scheduled by the VM for compilation. + */ + public CompilationLevelAdjustment getCompilationLevelAdjustment() { + return CompilationLevelAdjustment.None; + } + + public enum CompilationLevel { + None, + Simple, + LimitedProfile, + FullProfile, + FullOptimization + } + + /** + * Potentially modifies the compilation level currently selected by the VM compilation policy + * for a method. + * + * @param declaringClass the class in which the method is declared + * @param name the name of the method or {@code null} depending on the value that was returned + * by {@link #getCompilationLevelAdjustment()} + * @param signature the signature of the method or {@code null} depending on the value that was + * returned by {@link #getCompilationLevelAdjustment()} + * @param isOsr specifies if the compilation being scheduled in an OSR compilation + * @param level the compilation level currently selected by the VM compilation policy + * @return the compilation level to use for the compilation being scheduled (must be a valid + * {@code CompLevel} enum value) + */ + public CompilationLevel adjustCompilationLevel(Class<?> declaringClass, String name, String signature, boolean isOsr, CompilationLevel level) { + throw new InternalError("Should not reach here"); + } +}