hotspot/src/jdk.vm.ci/share/classes/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/services/HotSpotJVMCICompilerFactory.java
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/jdk.vm.ci/share/classes/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/services/HotSpotJVMCICompilerFactory.java Tue May 10 11:48:06 2016 +0200
@@ -0,0 +1,76 @@
+/*
+ * 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:
+ * <ul>
+ * <li>0 - no adjustment</li>
+ * <li>1 - adjust based on declaring class of method</li>
+ * <li>2 - adjust based on declaring class, name and signature of method</li>
+ * </ul>
+ */
+ public int getCompilationLevelAdjustment(HotSpotVMConfig config) {
+ return config.compLevelAdjustmentNone;
+ }
+
+ /**
+ * Potentially modifies the compilation level currently selected by the VM compilation policy
+ * for a method.
+ *
+ * @param config object for reading HotSpot {@code CompLevel} enum values
+ * @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(HotSpotVMConfig)}
+ * @param signature the signature of the method or {@code null} depending on the value that was
+ * returned by {@link #getCompilationLevelAdjustment(HotSpotVMConfig)}
+ * @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 int adjustCompilationLevel(HotSpotVMConfig config, Class<?> declaringClass, String name, String signature, boolean isOsr, int level) {
+ throw new InternalError("Should not reach here");
+ }
+}