/* * Copyright (c) 2023, 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. */ /* * @test * @enablePreview * @library ../ * @requires jdk.foreign.linker != "UNSUPPORTED" * @modules java.base/jdk.internal.foreign * @run testng/othervm --enable-native-access=ALL-UNNAMED TestLargeStub */ import org.testng.annotations.Test; import java.lang.foreign.FunctionDescriptor; import java.lang.foreign.Linker; import java.lang.foreign.MemoryLayout; import java.util.stream.Stream; public class TestLargeStub extends NativeTestHelper { @Test public void testDowncall() { // Link a handle with a large number of arguments, to try and overflow the code buffer Linker.nativeLinker().downcallHandle( FunctionDescriptor.of(C_LONG_LONG, Stream.generate(() -> C_DOUBLE).limit(50).toArray(MemoryLayout[]::new)), Linker.Option.captureCallState("errno")); } @Test public void testUpcall() { // Link a handle with a large number of arguments, to try and overflow the code buffer Linker.nativeLinker().downcallHandle( FunctionDescriptor.of(C_LONG_LONG, Stream.generate(() -> C_DOUBLE).limit(50).toArray(MemoryLayout[]::new))); } }