001/*
002 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004 *
005 * This code is free software; you can redistribute it and/or modify it
006 * under the terms of the GNU General Public License version 2 only, as
007 * published by the Free Software Foundation.
008 *
009 * This code is distributed in the hope that it will be useful, but WITHOUT
010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
011 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
012 * version 2 for more details (a copy is included in the LICENSE file that
013 * accompanied this code).
014 *
015 * You should have received a copy of the GNU General Public License version
016 * 2 along with this work; if not, write to the Free Software Foundation,
017 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
018 *
019 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
020 * or visit www.oracle.com if you need additional information or have any
021 * questions.
022 */
023package com.oracle.graal.debug;
024
025import static com.oracle.graal.debug.GraalDebugConfig.*;
026
027import java.io.*;
028import java.util.*;
029
030import jdk.internal.jvmci.service.*;
031
032public class DebugEnvironment {
033
034    public static GraalDebugConfig initialize(PrintStream log) {
035
036        if (!Debug.isEnabled()) {
037            log.println("WARNING: Scope debugging needs to be enabled with -esa or -D" + Debug.Initialization.INITIALIZER_PROPERTY_NAME + "=true");
038            return null;
039        }
040        List<DebugDumpHandler> dumpHandlers = new ArrayList<>();
041        List<DebugVerifyHandler> verifyHandlers = new ArrayList<>();
042        GraalDebugConfig debugConfig = new GraalDebugConfig(Log.getValue(), Meter.getValue(), TrackMemUse.getValue(), Time.getValue(), Dump.getValue(), Verify.getValue(), MethodFilter.getValue(),
043                        log, dumpHandlers, verifyHandlers);
044
045        for (DebugConfigCustomizer customizer : Services.load(DebugConfigCustomizer.class)) {
046            customizer.customize(debugConfig);
047        }
048
049        Debug.setConfig(debugConfig);
050        return debugConfig;
051    }
052}