| /* |
| * 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"); |
| } |
| } |