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* 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.
*
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package org.graalvm.compiler.hotspot.replacements;
import org.graalvm.compiler.hotspot.replacements.NewObjectSnippets.ProfileContext;
import org.graalvm.compiler.options.EnumOptionKey;
import org.graalvm.compiler.options.Option;
import org.graalvm.compiler.options.OptionType;
import org.graalvm.compiler.options.OptionKey;
/**
* 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 OptionKey TypeCheckMinProfileHitProbability = new OptionKey<>(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 OptionKey TypeCheckMaxHints = new OptionKey<>(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 OptionKey LoadExceptionObjectInVM = new OptionKey<>(false);
@Option(help = "Enable profiling of allocation sites.", type = OptionType.Debug)
public static final OptionKey ProfileAllocations = new OptionKey<>(false);
@Option(help = "Control the naming of the counters when using ProfileAllocations.", type = OptionType.Debug)
public static final EnumOptionKey ProfileAllocationsContext = new EnumOptionKey<>(ProfileContext.AllocatingMethod);
@Option(help = "Enable profiling of monitor operations.", type = OptionType.Debug)
public static final OptionKey ProfileMonitors = new OptionKey<>(false);
@Option(help = "Handle simple cases for inflated monitors in the fast-path.", type = OptionType.Expert)
public static final OptionKey SimpleFastInflatedLocking = new OptionKey<>(true);
@Option(help = "Trace monitor operations on objects whose type contains this substring.", type = OptionType.Debug)
public static final OptionKey TraceMonitorsTypeFilter = new OptionKey<>(null);
@Option(help = "Trace monitor operations in methods whose fully qualified name contains this substring.", type = OptionType.Debug)
public static final OptionKey TraceMonitorsMethodFilter = new OptionKey<>(null);
@Option(help = "Emit extra code to dynamically check monitor operations are balanced.", type = OptionType.Debug)
public static final OptionKey VerifyBalancedMonitors = new OptionKey<>(false);
//@formatter:on
}