| /* |
| * Copyright (c) 2017, 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; |
| |
| import static jdk.vm.ci.common.InitTimer.timer; |
| |
| import java.io.File; |
| import java.io.FileReader; |
| import java.io.IOException; |
| import java.util.Map; |
| import java.util.Properties; |
| |
| import jdk.internal.vm.compiler.collections.EconomicMap; |
| import org.graalvm.compiler.options.Option; |
| import org.graalvm.compiler.options.OptionDescriptors; |
| import org.graalvm.compiler.options.OptionKey; |
| import org.graalvm.compiler.options.OptionValues; |
| import org.graalvm.compiler.options.OptionsParser; |
| |
| import jdk.vm.ci.common.InitTimer; |
| |
| /** |
| * The {@link #HOTSPOT_OPTIONS} value contains the options values initialized in a HotSpot VM. The |
| * values are set via system properties with the {@value #GRAAL_OPTION_PROPERTY_PREFIX} prefix. |
| */ |
| public class HotSpotGraalOptionValues { |
| |
| /** |
| * The name of the system property specifying a file containing extra Graal option settings. |
| */ |
| private static final String GRAAL_OPTIONS_FILE_PROPERTY_NAME = "graal.options.file"; |
| |
| /** |
| * The name of the system property specifying the Graal version. |
| */ |
| private static final String GRAAL_VERSION_PROPERTY_NAME = "graal.version"; |
| |
| /** |
| * The prefix for system properties that correspond to {@link Option} annotated fields. A field |
| * named {@code MyOption} will have its value set from a system property with the name |
| * {@code GRAAL_OPTION_PROPERTY_PREFIX + "MyOption"}. |
| */ |
| public static final String GRAAL_OPTION_PROPERTY_PREFIX = "graal."; |
| |
| /** |
| * Gets the system property assignment that would set the current value for a given option. |
| */ |
| public static String asSystemPropertySetting(OptionValues options, OptionKey<?> value) { |
| return GRAAL_OPTION_PROPERTY_PREFIX + value.getName() + "=" + value.getValue(options); |
| } |
| |
| public static final OptionValues HOTSPOT_OPTIONS = initializeOptions(); |
| |
| /** |
| * Global options. The values for these options are initialized by parsing the file denoted by |
| * the {@code VM.getSavedProperty(String) saved} system property named |
| * {@value #GRAAL_OPTIONS_FILE_PROPERTY_NAME} if the file exists followed by parsing the options |
| * encoded in saved system properties whose names start with |
| * {@value #GRAAL_OPTION_PROPERTY_PREFIX}. Key/value pairs are parsed from the aforementioned |
| * file with {@link Properties#load(java.io.Reader)}. |
| */ |
| @SuppressWarnings("try") |
| private static OptionValues initializeOptions() { |
| EconomicMap<OptionKey<?>, Object> values = OptionValues.newOptionMap(); |
| try (InitTimer t = timer("InitializeOptions")) { |
| |
| Iterable<OptionDescriptors> loader = OptionsParser.getOptionsLoader(); |
| Map<String, String> savedProps = jdk.vm.ci.services.Services.getSavedProperties(); |
| String optionsFile = savedProps.get(GRAAL_OPTIONS_FILE_PROPERTY_NAME); |
| |
| if (optionsFile != null) { |
| File graalOptions = new File(optionsFile); |
| if (graalOptions.exists()) { |
| try (FileReader fr = new FileReader(graalOptions)) { |
| Properties props = new Properties(); |
| props.load(fr); |
| EconomicMap<String, String> optionSettings = EconomicMap.create(); |
| for (Map.Entry<Object, Object> e : props.entrySet()) { |
| optionSettings.put((String) e.getKey(), (String) e.getValue()); |
| } |
| try { |
| OptionsParser.parseOptions(optionSettings, values, loader); |
| } catch (Throwable e) { |
| throw new InternalError("Error parsing an option from " + graalOptions, e); |
| } |
| } catch (IOException e) { |
| throw new InternalError("Error reading " + graalOptions, e); |
| } |
| } |
| } |
| |
| EconomicMap<String, String> optionSettings = EconomicMap.create(); |
| for (Map.Entry<String, String> e : savedProps.entrySet()) { |
| String name = e.getKey(); |
| if (name.startsWith(GRAAL_OPTION_PROPERTY_PREFIX)) { |
| if (name.equals("graal.PrintFlags") || name.equals("graal.ShowFlags")) { |
| System.err.println("The " + name + " option has been removed and will be ignored. Use -XX:+JVMCIPrintProperties instead."); |
| } else if (name.equals(GRAAL_OPTIONS_FILE_PROPERTY_NAME) || name.equals(GRAAL_VERSION_PROPERTY_NAME)) { |
| // Ignore well known properties that do not denote an option |
| } else { |
| String value = e.getValue(); |
| optionSettings.put(name.substring(GRAAL_OPTION_PROPERTY_PREFIX.length()), value); |
| } |
| } |
| } |
| |
| OptionsParser.parseOptions(optionSettings, values, loader); |
| return new OptionValues(values); |
| } |
| } |
| } |