--- /dev/null 2016-05-31 09:42:47.975716356 -0700 +++ new/src/jdk.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/replacements/HotspotSnippetsOptions.java 2016-12-09 00:49:52.620340358 -0800 @@ -0,0 +1,69 @@ +/* + * Copyright (c) 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 org.graalvm.compiler.hotspot.replacements; + +import org.graalvm.compiler.hotspot.replacements.NewObjectSnippets.ProfileContext; +import org.graalvm.compiler.options.EnumOptionValue; +import org.graalvm.compiler.options.Option; +import org.graalvm.compiler.options.OptionType; +import org.graalvm.compiler.options.OptionValue; + +/** + * Options related to HotSpot snippets in this package. + * + * Note: This must be a top level class to work around for + * Eclipse bug 477597. + */ +public class HotspotSnippetsOptions { + + // @formatter:off + @Option(help = "If the probability that a type check will hit one the profiled types (up to " + + "TypeCheckMaxHints) is below this value, the type check will be compiled without profiling info", type = OptionType.Expert) + public static final OptionValue TypeCheckMinProfileHitProbability = new OptionValue<>(0.5); + + @Option(help = "The maximum number of profiled types that will be used when compiling a profiled type check. " + + "Note that TypeCheckMinProfileHitProbability also influences whether profiling info is used in compiled type checks.", type = OptionType.Expert) + public static final OptionValue TypeCheckMaxHints = new OptionValue<>(2); + + @Option(help = "Use a VM runtime call to load and clear the exception object from the thread at the start of a compiled exception handler.", type = OptionType.Debug) + public static final OptionValue LoadExceptionObjectInVM = new OptionValue<>(false); + + @Option(help = "Enable profiling of allocation sites.", type = OptionType.Debug) + public static final OptionValue ProfileAllocations = new OptionValue<>(false); + + @Option(help = "Control the naming of the counters when using ProfileAllocations.", type = OptionType.Debug) + public static final EnumOptionValue ProfileAllocationsContext = new EnumOptionValue<>(ProfileContext.AllocatingMethod); + + @Option(help = "Enable profiling of monitor operations.", type = OptionType.Debug) + public static final OptionValue ProfileMonitors = new OptionValue<>(false); + + @Option(help = "Trace monitor operations on objects whose type contains this substring.", type = OptionType.Debug) + public static final OptionValue TraceMonitorsTypeFilter = new OptionValue<>(null); + + @Option(help = "Trace monitor operations in methods whose fully qualified name contains this substring.", type = OptionType.Debug) + public static final OptionValue TraceMonitorsMethodFilter = new OptionValue<>(null); + + @Option(help = "Emit extra code to dynamically check monitor operations are balanced.", type = OptionType.Debug) + public static final OptionValue VerifyBalancedMonitors = new OptionValue<>(false); + //@formatter:on +}