jdk-24/test/jdk/java/foreign/largestub/TestLargeStub.java

58 lines
2.3 KiB
Java

/*
* 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 ((os.arch == "amd64" | os.arch == "x86_64") & sun.arch.data.model == "64") | os.arch == "aarch64" | os.arch == "riscv64"
* @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)));
}
}