32ac72c3d3
Co-authored-by: Maurizio Cimadamore <mcimadamore@openjdk.org> Co-authored-by: Jorn Vernee <jvernee@openjdk.org> Co-authored-by: Per Minborg <pminborg@openjdk.org> Reviewed-by: dholmes, psandoz, mcimadamore, alanb
79 lines
2.6 KiB
Java
79 lines
2.6 KiB
Java
/*
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* Copyright (c) 2021, 2022, Red Hat, Inc. 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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* @bug 8259937
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* @summary guarantee(loc != NULL) failed: missing saved register with native invoke
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*
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* @requires vm.flavor == "server"
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* @requires ((os.arch == "amd64" | os.arch == "x86_64") & sun.arch.data.model == "64") | os.arch == "aarch64" | os.arch == "ppc64le"
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* @requires vm.gc.Shenandoah
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*
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* @run main/othervm --enable-native-access=ALL-UNNAMED -XX:+UnlockDiagnosticVMOptions
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* -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive TestLinkToNativeRBP
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*
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*/
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import java.lang.foreign.Linker;
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import java.lang.foreign.FunctionDescriptor;
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import java.lang.foreign.SymbolLookup;
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import java.lang.foreign.ValueLayout;
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import java.lang.invoke.MethodHandle;
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public class TestLinkToNativeRBP {
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static {
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System.loadLibrary("LinkToNativeRBP");
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}
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final static Linker abi = Linker.nativeLinker();
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static final SymbolLookup lookup = SymbolLookup.loaderLookup();
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final static MethodHandle foo = abi.downcallHandle(lookup.find("foo").get(),
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FunctionDescriptor.of(ValueLayout.JAVA_INT));
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static int foo() throws Throwable {
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return (int)foo.invokeExact();
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}
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public static void main(String[] args) throws Throwable {
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for (int i = 0; i < 20_000; i++) {
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test(5);
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}
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for (int i = 0; i < 100; i++) {
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test(1_000_000);
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}
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}
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static volatile Integer field = 0;
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private static int test(int stop) throws Throwable {
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int res = 0;
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for (int i = 0; i < stop; i++) {
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Integer v = field;
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res = foo() + v.intValue();
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}
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return res;
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}
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}
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