/* * 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.services; import jdk.vm.ci.hotspot.HotSpotVMConfig; import jdk.vm.ci.runtime.services.JVMCICompilerFactory; /** * HotSpot extensions to {@link JVMCICompilerFactory}. */ public abstract class HotSpotJVMCICompilerFactory extends 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; } /** * Determines if this object may want to adjust the compilation level for a method that is being * scheduled by the VM for compilation. The legal return values and their meanings are: *