1 /* 2 * Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 25 package org.graalvm.compiler.hotspot; 26 27 import java.lang.reflect.Field; 28 import java.lang.reflect.Modifier; 29 30 import org.graalvm.compiler.api.replacements.Fold; 31 import org.graalvm.compiler.api.replacements.Fold.InjectedParameter; 32 import org.graalvm.compiler.nodes.graphbuilderconf.IntrinsicContext; 33 import org.graalvm.compiler.options.OptionValues; 34 35 import jdk.vm.ci.common.JVMCIError; 36 import jdk.vm.ci.hotspot.HotSpotVMConfigAccess; 37 import jdk.vm.ci.hotspot.HotSpotVMConfigStore; 38 import jdk.vm.ci.meta.MetaAccessProvider; 39 40 /** 41 * This is a source with different versions for various JDKs. 42 */ 43 public abstract class GraalHotSpotVMConfigBase extends HotSpotVMConfigAccess { 44 45 GraalHotSpotVMConfigBase(HotSpotVMConfigStore store) { 46 super(store); 47 assert this instanceof GraalHotSpotVMConfig; 48 versioned = new GraalHotSpotVMConfigVersioned(store); 49 assert checkVersioned(); 50 } 51 52 private boolean checkVersioned() { 53 Class<? extends GraalHotSpotVMConfigVersioned> c = versioned.getClass(); 54 for (Field field : c.getDeclaredFields()) { 55 int modifiers = field.getModifiers(); 56 if (!Modifier.isStatic(modifiers)) { 57 // javac inlines non-static final fields which means 58 // versioned values are ignored in non-flattened Graal 59 assert !Modifier.isFinal(modifiers) : "Non-static field in " + c.getName() + " must not be final: " + field.getName(); 60 } 61 } 62 return true; 63 } 64 65 /** 66 * Contains values that are different between JDK versions. 67 */ 68 protected final GraalHotSpotVMConfigVersioned versioned; 69 70 /** 71 * Sentinel value to use for an {@linkplain InjectedParameter injected} 72 * {@link GraalHotSpotVMConfig} parameter to a {@linkplain Fold foldable} method. 73 */ 74 public static final GraalHotSpotVMConfig INJECTED_VMCONFIG = null; 75 public static final MetaAccessProvider INJECTED_METAACCESS = null; 76 public static final OptionValues INJECTED_OPTIONVALUES = null; 77 public static final IntrinsicContext INJECTED_INTRINSIC_CONTEXT = null; 78 79 public final String osName = getHostOSName(); 80 public final String osArch = getHostArchitectureName(); 81 public final boolean windowsOs = System.getProperty("os.name", "").startsWith("Windows"); 82 public final boolean linuxOs = System.getProperty("os.name", "").startsWith("Linux"); 83 84 /** 85 * Gets the host operating system name. 86 */ 87 private static String getHostOSName() { 88 String osName = System.getProperty("os.name"); 89 switch (osName) { 90 case "Linux": 91 osName = "linux"; 92 break; 93 case "SunOS": 94 osName = "solaris"; 95 break; 96 case "Mac OS X": 97 osName = "bsd"; 98 break; 99 default: 100 // Of course Windows is different... 101 if (osName.startsWith("Windows")) { 102 osName = "windows"; 103 } else { 104 throw new JVMCIError("Unexpected OS name: " + osName); 105 } 106 } 107 return osName; 108 } 109 110 private static String getHostArchitectureName() { 111 String arch = System.getProperty("os.arch"); 112 switch (arch) { 113 case "x86_64": 114 arch = "amd64"; 115 break; 116 case "sparcv9": 117 arch = "sparc"; 118 break; 119 } 120 return arch; 121 } 122 123 protected final Integer intRequiredOnAMD64 = osArch.equals("amd64") ? null : 0; 124 protected final Long longRequiredOnAMD64 = osArch.equals("amd64") ? null : 0L; 125 }