88 lines
3.1 KiB
Java
88 lines
3.1 KiB
Java
/*
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* Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @library /test/lib
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* @library ../
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* @build jdk.test.whitebox.WhiteBox
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* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
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*
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* @run main/othervm
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* -Xbootclasspath/a:.
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* -XX:+UnlockDiagnosticVMOptions
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* -XX:+WhiteBoxAPI
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* --enable-native-access=ALL-UNNAMED
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* TestReentrantUpcalls
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*/
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import java.lang.foreign.Arena;
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import java.lang.foreign.FunctionDescriptor;
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import java.lang.foreign.MemorySegment;
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import java.lang.invoke.MethodHandle;
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import java.lang.invoke.MethodHandles;
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import java.lang.invoke.MethodType;
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import jdk.test.whitebox.WhiteBox;
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import static java.lang.invoke.MethodHandles.lookup;
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public class TestReentrantUpcalls extends NativeTestHelper {
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static final WhiteBox WB = WhiteBox.getWhiteBox();
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static final MethodHandle MH_m;
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static {
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System.loadLibrary("ReentrantUpcalls");
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try {
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MH_m = lookup().findStatic(TestReentrantUpcalls.class, "m",
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MethodType.methodType(void.class, int.class, MemorySegment.class, MethodHandle.class));
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} catch (ReflectiveOperationException e) {
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throw new RuntimeException(e);
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}
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}
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public static void main(String[] args) throws Throwable {
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FunctionDescriptor descriptor = FunctionDescriptor.ofVoid(C_INT, C_POINTER);
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MethodHandle downcallHandle = downcallHandle("do_recurse", descriptor);
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try (Arena arena = Arena.ofConfined()) {
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MemorySegment stub = LINKER.upcallStub(
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MethodHandles.insertArguments(MH_m, 2, downcallHandle), descriptor, arena);
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downcallHandle.invokeExact(0, stub);
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}
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}
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static void m(int depth, MemorySegment thisStub, MethodHandle downcallHandle) throws Throwable {
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if (depth < 50) {
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downcallHandle.invokeExact(depth + 1, thisStub);
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} else {
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WB.verifyFrames(/*log=*/true, /*updateRegisterMap=*/true);
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WB.verifyFrames(/*log=*/true, /*updateRegisterMap=*/false); // triggers different code paths
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}
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}
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}
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