28477cf493
Add low tag to jweaks and G1 barrier for jweak loads. Co-authored-by: Martin Doerr <martin.doerr@sap.com> Co-authored-by: Volker Simonis <volker.simonis@sap.com> Reviewed-by: mgerdin, mdoerr, pliden, dlong, dcubed, coleenp, aph, tschatzl
46 lines
1.5 KiB
Java
46 lines
1.5 KiB
Java
/*
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* Copyright (c) 2017, 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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* @bug 8166188
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* @summary Test call of native function with JNI weak global ref.
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* @modules java.base
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* @run main/othervm/native CallWithJNIWeak
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*/
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public class CallWithJNIWeak {
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static {
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System.loadLibrary("CallWithJNIWeak");
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}
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static native Object doStuff(Object o);
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static native Object doWithWeak(Object o);
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public static void main(String[] args) {
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Object o = doStuff(Thread.currentThread());
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System.out.println(o);
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}
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}
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