126 lines
4.3 KiB
Java
126 lines
4.3 KiB
Java
/*
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* Copyright (c) 2016, 2018, 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 8132879
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* @compile CallSites.jasm
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* @run main/othervm -Xverify:all -Xbatch
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* -XX:CompileCommand=dontinline,compiler.linkage.LinkageErrors::test*
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* compiler.linkage.LinkageErrors
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*/
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package compiler.linkage;
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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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interface I {
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void m1(int i);
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static void s1() {}
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}
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class A implements I {
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public void m1(int i) {}
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}
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class X {
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public void m1(int i) {}
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public final void f1(int i) {}
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public static void s1(int i) {}
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}
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public class LinkageErrors {
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final static MethodHandles.Lookup L = MethodHandles.lookup();
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static void testICCE(MethodHandle mh) {
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try {
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mh.invokeExact();
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throw new AssertionError("No exception thrown");
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} catch (IncompatibleClassChangeError e) {
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return; // expected
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} catch (AssertionError e) {
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throw e; // rethrow
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} catch (Throwable e) {
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throw new AssertionError("Unexpected exception", e);
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}
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}
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static void testNSME(MethodHandle mh) {
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try {
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mh.invokeExact();
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throw new AssertionError("No exception thrown");
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} catch (NoSuchMethodError e) {
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return; // expected
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} catch (AssertionError e) {
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throw e; // rethrow
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} catch (Throwable e) {
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throw new AssertionError("Unexpected exception", 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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Class<?> test = Class.forName("compiler.linkage.CallSites");
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// Non-existent method lookups.
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MethodHandle testI1 = L.findStatic(test, "testI1", MethodType.methodType(void.class, I.class));
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MethodHandle testX1 = L.findStatic(test, "testX1", MethodType.methodType(void.class, X.class));
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MethodHandle testI1_A = testI1.bindTo(new A());
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MethodHandle testI1_null = testI1.bindTo(null);
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MethodHandle testX1_X = testX1.bindTo(new X());
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MethodHandle testX1_null = testX1.bindTo(null);
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// invokestatic of instance methods.
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MethodHandle testI2 = L.findStatic(test, "testI2", MethodType.methodType(void.class));
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MethodHandle testX2 = L.findStatic(test, "testX2", MethodType.methodType(void.class));
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MethodHandle testI3 = L.findStatic(test, "testI3", MethodType.methodType(void.class, I.class));
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MethodHandle testX3 = L.findStatic(test, "testX3", MethodType.methodType(void.class, X.class));
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// Virtual invocation of static methods.
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MethodHandle testI3_A = testI3.bindTo(new A());
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MethodHandle testI3_null = testI3.bindTo(null);
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MethodHandle testX3_X = testX3.bindTo(new X());
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MethodHandle testX3_null = testX3.bindTo(null);
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for (int i = 0; i < 20_000; i++) {
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testNSME(testI1_A);
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testNSME(testI1_null);
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testNSME(testX1_X);
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testNSME(testX1_null);
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testICCE(testI2);
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testICCE(testX2);
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testICCE(testI3_A);
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testICCE(testI3_null);
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testICCE(testX3_X);
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testICCE(testX3_null);
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}
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System.out.println("TEST PASSED");
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}
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}
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