1 /* 2 * Copyright (c) 2018, 2019, 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 package jdk.vm.ci.hotspot; 24 25 import jdk.vm.ci.meta.ResolvedJavaType; 26 import jdk.vm.ci.services.Services; 27 28 /** 29 * Indicates a path in HotSpot JVMCI related code that is unsupported in the current execution 30 * environment. For example, certain operations are not supported by JVMCI code running in an ahead 31 * of time compiled {@linkplain Services#IS_IN_NATIVE_IMAGE native image}. This usually reflects 32 * functionality only needed in non-native image execution that would require a more complex 33 * implementation to support in a native image. 34 * 35 * An example of such functionality is {@link ResolvedJavaType#isLocal()}. This can be conveniently 36 * implemented when JVMCI is running on the HotSpot heap as we can obtain the {@link Class} mirror 37 * for the {@link ResolvedJavaType} and call {@link Class#isLocalClass()}. In a native image, there 38 * is no {@link Class} mirror available in the native image heap so implementing this would involve 39 * a call into VM native code that in turn would make an upcall into Java code executing on the 40 * HotSpot heap. We have opted to defer implementing functionality such as this until there's a 41 * demonstrated need for it. 42 */ 43 public class HotSpotJVMCIUnsupportedOperationError extends Error { 44 45 public HotSpotJVMCIUnsupportedOperationError(String reason) { 46 super(reason); 47 } 48 49 public HotSpotJVMCIUnsupportedOperationError(String reason, Throwable cause) { 50 super(reason, cause); 51 } 52 53 private static final long serialVersionUID = 7782431672678016392L; 54 55 }