| /* |
| * Copyright (c) 2013, 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.replacements; |
| |
| import static org.graalvm.compiler.hotspot.GraalHotSpotVMConfig.INJECTED_VMCONFIG; |
| import static org.graalvm.compiler.hotspot.replacements.HotSpotReplacementsUtil.KLASS_ACCESS_FLAGS_LOCATION; |
| import static org.graalvm.compiler.hotspot.replacements.HotSpotReplacementsUtil.jvmAccWrittenFlags; |
| import static org.graalvm.compiler.hotspot.replacements.HotSpotReplacementsUtil.klassAccessFlagsOffset; |
| |
| import java.lang.reflect.Modifier; |
| |
| import org.graalvm.compiler.api.directives.GraalDirectives; |
| import org.graalvm.compiler.api.replacements.ClassSubstitution; |
| import org.graalvm.compiler.api.replacements.MethodSubstitution; |
| import org.graalvm.compiler.hotspot.word.KlassPointer; |
| |
| /** |
| * Substitutions for {@link sun.reflect.Reflection} methods. |
| */ |
| @ClassSubstitution(className = {"jdk.internal.reflect.Reflection", "sun.reflect.Reflection"}, optional = true) |
| public class ReflectionSubstitutions { |
| |
| @MethodSubstitution |
| public static int getClassAccessFlags(Class<?> aClass) { |
| KlassPointer klass = ClassGetHubNode.readClass(GraalDirectives.guardingNonNull(aClass)); |
| if (klass.isNull()) { |
| // Class for primitive type |
| return Modifier.ABSTRACT | Modifier.FINAL | Modifier.PUBLIC; |
| } else { |
| return klass.readInt(klassAccessFlagsOffset(INJECTED_VMCONFIG), KLASS_ACCESS_FLAGS_LOCATION) & jvmAccWrittenFlags(INJECTED_VMCONFIG); |
| } |
| } |
| } |