Mercurial > hg > truffle
view graal/com.oracle.jvmci.hotspot/src/com/oracle/jvmci/hotspot/HotSpotOptions.java @ 21551:5324104ac4f3
moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
author | Doug Simon <doug.simon@oracle.com> |
---|---|
date | Tue, 26 May 2015 17:13:37 +0200 |
parents | |
children |
line wrap: on
line source
/* * Copyright (c) 2011, 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 com.oracle.jvmci.hotspot; import static com.oracle.jvmci.hotspot.HotSpotOptionsLoader.*; import static java.lang.Double.*; import com.oracle.graal.debug.*; import com.oracle.graal.options.*; import com.oracle.graal.options.OptionUtils.OptionConsumer; import com.oracle.jvmci.runtime.*; //JaCoCo Exclude /** * Sets Graal options from the HotSpot command line. Such options are distinguished by the * {@link #GRAAL_OPTION_PREFIX} prefix. */ public class HotSpotOptions { private static final String GRAAL_OPTION_PREFIX = "-G:"; /** * Parses the JVMCI specific options specified to HotSpot (e.g., on the command line). * * @param optionsParsedClass the {@link Class} for {@link OptionsParsed} * @return the implementations of {@link OptionsParsed} available */ private static native OptionsParsed[] parseVMOptions(Class<?> optionsParsedClass); static { // Debug should not be initialized until all options that may affect // its initialization have been processed. assert !Debug.Initialization.isDebugInitialized() : "The class " + Debug.class.getName() + " must not be initialized before the JVMCI runtime has been initialized. " + "This can be fixed by placing a call to " + JVMCI.class.getName() + ".getRuntime() on the path that triggers initialization of " + Debug.class.getName(); for (OptionsParsed handler : parseVMOptions(OptionsParsed.class)) { handler.apply(); } } /** * Ensures {@link HotSpotOptions} is initialized. */ public static void initialize() { } /** * Helper for the VM code called by {@link #parseVMOptions}. * * @param name the name of a parsed option * @param option the object encapsulating the option * @param spec specification of boolean option value, type of option value or action to take */ static void setOption(String name, OptionValue<?> option, char spec, String stringValue, long primitiveValue) { switch (spec) { case '+': option.setValue(Boolean.TRUE); break; case '-': option.setValue(Boolean.FALSE); break; case '?': OptionUtils.printFlags(options, GRAAL_OPTION_PREFIX); break; case ' ': OptionUtils.printNoMatchMessage(options, name, GRAAL_OPTION_PREFIX); break; case 'i': option.setValue((int) primitiveValue); break; case 'f': option.setValue((float) longBitsToDouble(primitiveValue)); break; case 'd': option.setValue(longBitsToDouble(primitiveValue)); break; case 's': option.setValue(stringValue); break; } } /** * Parses a given option value specification. * * @param option the specification of an option and its value * @param setter the object to notify of the parsed option and value. If null, the * {@link OptionValue#setValue(Object)} method of the specified option is called * instead. */ public static boolean parseOption(String option, OptionConsumer setter) { return OptionUtils.parseOption(options, option, GRAAL_OPTION_PREFIX, setter); } }