Mercurial > hg > truffle
view graal/com.oracle.jvmci.hotspot/src/com/oracle/jvmci/hotspot/HotSpotOptions.java @ 21613:60154926b513
replaced use of javap with a small Java utility for refining service class list to only those implementing com.oracle.jvmci.service.Service
author | Doug Simon <doug.simon@oracle.com> |
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date | Sun, 31 May 2015 12:32:15 +0200 |
parents | 93f282187d90 |
children | 55058b8000ea |
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/* * 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 java.util.*; import com.oracle.jvmci.options.*; import com.oracle.jvmci.service.*; //JaCoCo Exclude /** * Sets JVMCI options from the HotSpot command line. Such options are distinguished by the * {@link #JVMCI_OPTION_PREFIX} prefix. */ public class HotSpotOptions { private static final String JVMCI_OPTION_PREFIX = "-G:"; /** * Called from VM. */ static void printFlags() { SortedMap<String, OptionDescriptor> options = new TreeMap<>(); for (Options opts : Services.load(Options.class)) { for (OptionDescriptor desc : opts) { if (isHotSpotOption(desc)) { String name = desc.getName(); OptionDescriptor existing = options.put(name, desc); assert existing == null : "Option named \"" + name + "\" has multiple definitions: " + existing.getLocation() + " and " + desc.getLocation(); } } } OptionUtils.printFlags(options, JVMCI_OPTION_PREFIX); } /** * Determines if a given option is a HotSpot command line option. */ private static boolean isHotSpotOption(OptionDescriptor desc) { return desc.getDeclaringClass().getName().startsWith("com.oracle.graal"); } }