/*
* Copyright (c) 2013, 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
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*/
package org.graalvm.compiler.debug;
import static org.graalvm.compiler.debug.GraalDebugConfig.Options.Count;
import static org.graalvm.compiler.debug.GraalDebugConfig.Options.Dump;
import static org.graalvm.compiler.debug.GraalDebugConfig.Options.Log;
import static org.graalvm.compiler.debug.GraalDebugConfig.Options.MethodFilter;
import static org.graalvm.compiler.debug.GraalDebugConfig.Options.MethodMeter;
import static org.graalvm.compiler.debug.GraalDebugConfig.Options.Time;
import static org.graalvm.compiler.debug.GraalDebugConfig.Options.TrackMemUse;
import static org.graalvm.compiler.debug.GraalDebugConfig.Options.Verify;
import java.util.ArrayList;
import java.util.List;
import org.graalvm.compiler.options.OptionValues;
import org.graalvm.compiler.debug.internal.DebugScope;
import org.graalvm.compiler.serviceprovider.GraalServices;
import jdk.vm.ci.runtime.JVMCI;
public class DebugEnvironment {
/**
* Create a GraalDebugConfig if {@link Debug#isEnabled()} is true and one hasn't already been
* created. Additionally add {@code extraArgs} as capabilities to the {@link DebugDumpHandler}s
* associated with the current config. Capabilities can be added at any time.
*
* @return the current {@link GraalDebugConfig} or null if nothing was done
*/
public static GraalDebugConfig ensureInitialized(OptionValues options, Object... capabilities) {
return ensureInitializedHelper(options, false, capabilities);
}
/**
* Create a new GraalDebugConfig if {@link Debug#isEnabled()} is true, even if one had already
* been created. Additionally add {@code extraArgs} as capabilities to the
* {@link DebugDumpHandler}s associated with the current config. Capabilities can be added at
* any time.
*
* @return the current {@link GraalDebugConfig} or null if nothing was done
*/
public static GraalDebugConfig forceInitialization(OptionValues options, Object... capabilities) {
return ensureInitializedHelper(options, true, capabilities);
}
private static GraalDebugConfig ensureInitializedHelper(OptionValues options, boolean forceInit, Object... capabilities) {
if (!Debug.isEnabled()) {
return null;
}
GraalDebugConfig debugConfig = (GraalDebugConfig) DebugScope.getConfig();
if (debugConfig == null || forceInit || options != debugConfig.getOptions()) {
// Initialize JVMCI before loading class Debug
JVMCI.initialize();
List<DebugDumpHandler> dumpHandlers = new ArrayList<>();
List<DebugVerifyHandler> verifyHandlers = new ArrayList<>();
debugConfig = new GraalDebugConfig(
options,
Log.getValue(options),
Count.getValue(options),
TrackMemUse.getValue(options),
Time.getValue(options),
Dump.getValue(options),
Verify.getValue(options),
MethodFilter.getValue(options),
MethodMeter.getValue(options),
TTY.out, dumpHandlers, verifyHandlers);
for (DebugConfigCustomizer customizer : GraalServices.load(DebugConfigCustomizer.class)) {
customizer.customize(debugConfig);
}
Debug.setConfig(debugConfig);
}
if (capabilities != null) {
for (Object o : capabilities) {
for (DebugDumpHandler handler : debugConfig.dumpHandlers()) {
handler.addCapability(o);
}
}
}
return debugConfig;
}
}