| /* |
| * Copyright (c) 2016, 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.stubs; |
| |
| import org.graalvm.compiler.api.replacements.Snippet; |
| import org.graalvm.compiler.api.replacements.Snippet.ConstantParameter; |
| import org.graalvm.compiler.debug.GraalError; |
| import org.graalvm.compiler.hotspot.HotSpotForeignCallLinkage; |
| import org.graalvm.compiler.hotspot.meta.HotSpotProviders; |
| |
| import jdk.vm.ci.code.Register; |
| |
| /** |
| * Stub to allocate a {@link NullPointerException} thrown by a bytecode. |
| */ |
| public class NullPointerExceptionStub extends CreateExceptionStub { |
| |
| public NullPointerExceptionStub(HotSpotProviders providers, HotSpotForeignCallLinkage linkage) { |
| super("createNullPointerException", providers, linkage); |
| } |
| |
| @Override |
| protected Object getConstantParameterValue(int index, String name) { |
| GraalError.guarantee(index == 0, "unknown parameter %s at index %d", name, index); |
| return providers.getRegisters().getThreadRegister(); |
| } |
| |
| @Snippet |
| private static Object createNullPointerException(@ConstantParameter Register threadRegister) { |
| return createException(threadRegister, NullPointerException.class); |
| } |
| } |