1 /* 2 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 /* 25 * @test 26 * @bug 8132879 27 * @compile CallSites.jasm 28 * @run main/othervm -Xverify:all -Xbatch 29 * -XX:CompileCommand=dontinline,compiler.linkage.LinkageErrors::test* 30 * compiler.linkage.LinkageErrors 31 */ 32 33 package compiler.linkage; 34 35 import java.lang.invoke.MethodHandle; 36 import java.lang.invoke.MethodHandles; 37 import java.lang.invoke.MethodType; 38 39 interface I { 40 void m1(int i); 41 static void s1() {} 42 } 43 44 class A implements I { 45 public void m1(int i) {} 46 } 47 48 class X { 49 public void m1(int i) {} 50 public final void f1(int i) {} 51 public static void s1(int i) {} 52 } 53 54 public class LinkageErrors { 55 final static MethodHandles.Lookup L = MethodHandles.lookup(); 56 57 static void test(MethodHandle mh) { 58 try { 59 mh.invokeExact(); 60 throw new AssertionError("No exception thrown"); 61 } catch (LinkageError e) { 62 return; // expected 63 } catch (AssertionError e) { 64 throw e; // rethrow 65 } catch (Throwable e) { 66 throw new AssertionError("Unexpected exception", e); 67 } 68 } 69 70 public static void main(String args[]) throws Throwable { 71 Class<?> test = Class.forName("compiler.linkage.CallSites"); 72 73 // Non-existent method lookups. 74 MethodHandle testI1 = L.findStatic(test, "testI1", MethodType.methodType(void.class, I.class)); 75 MethodHandle testX1 = L.findStatic(test, "testX1", MethodType.methodType(void.class, X.class)); 76 77 MethodHandle testI1_A = testI1.bindTo(new A()); 78 MethodHandle testI1_null = testI1.bindTo(null); 79 MethodHandle testX1_X = testX1.bindTo(new X()); 80 MethodHandle testX1_null = testX1.bindTo(null); 81 82 // invokestatic of instance methods. 83 MethodHandle testI2 = L.findStatic(test, "testI2", MethodType.methodType(void.class)); 84 MethodHandle testX2 = L.findStatic(test, "testX2", MethodType.methodType(void.class)); 85 86 MethodHandle testI3 = L.findStatic(test, "testI3", MethodType.methodType(void.class, I.class)); 87 MethodHandle testX3 = L.findStatic(test, "testX3", MethodType.methodType(void.class, X.class)); 88 89 // Virtual invocation of static methods. 90 MethodHandle testI3_A = testI3.bindTo(new A()); 91 MethodHandle testI3_null = testI3.bindTo(null); 92 MethodHandle testX3_X = testX3.bindTo(new X()); 93 MethodHandle testX3_null = testX3.bindTo(null); 94 95 for (int i = 0; i < 20_000; i++) { 96 test(testI1_A); 97 test(testI1_null); 98 test(testX1_X); 99 test(testX1_null); 100 101 test(testI2); 102 test(testX2); 103 104 test(testI3_A); 105 test(testI3_null); 106 test(testX3_X); 107 test(testX3_null); 108 } 109 110 System.out.println("TEST PASSED"); 111 } 112 }