1 /*
   2  * Copyright (c) 2015, 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 /**
  26  * @test
  27  * @bug 8136421
  28  * @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9" | os.simpleArch == "aarch64")
  29  * @library /testlibrary /test/lib /
  30  * @library ../common/patches
  31  * @modules java.base/jdk.internal.misc
  32  * @modules java.base/jdk.internal.org.objectweb.asm
  33  *          java.base/jdk.internal.org.objectweb.asm.tree
  34  *          jdk.vm.ci/jdk.vm.ci.hotspot
  35  *          jdk.vm.ci/jdk.vm.ci.code
  36  *          jdk.vm.ci/jdk.vm.ci.meta
  37  * @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper
  38  * @build compiler.jvmci.compilerToVM.GetNextStackFrameTest
  39  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
  40  *                   compiler.jvmci.compilerToVM.GetResolvedJavaMethodAtSlotTest
  41  */
  42 
  43 package compiler.jvmci.compilerToVM;
  44 
  45 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
  46 import jdk.vm.ci.hotspot.CompilerToVMHelper;
  47 import jdk.test.lib.Asserts;
  48 import java.util.HashMap;
  49 import java.util.Map;
  50 
  51 public class GetResolvedJavaMethodAtSlotTest {
  52 
  53     private static class A {
  54         {
  55             System.out.println("Dummy");
  56         }
  57         public void f1() {}
  58         public int f2() { return 0; }
  59         public String f3() { return ""; }
  60     }
  61 
  62 
  63     private static class S {
  64         static {
  65             System.out.println("Dummy static");
  66         }
  67         public S() {}
  68         public void f1() {}
  69         public int f2() { return 0; }
  70         public String f3() { return ""; }
  71     }
  72 
  73     private class B extends A {
  74         public void f4() {}
  75     }
  76 
  77     private interface I {
  78         void f1();
  79         int f2();
  80         String f3();
  81     }
  82 
  83     public static void main(String[] args) {
  84         Map<Class<?>, Integer> testCases = getTestCases();
  85         testCases.forEach(GetResolvedJavaMethodAtSlotTest::test);
  86     }
  87 
  88     private static Map<Class<?>, Integer> getTestCases() {
  89         Map<Class<?>, Integer> testCases = new HashMap<>();
  90         testCases.put(A.class, 5); // ctor, init, f1, f2, f3
  91         testCases.put(S.class, 5); // ctor, cinit, f1, f2, f3
  92         testCases.put(I.class, 3); // f1, f2, f3
  93         testCases.put(B.class, 2); // ctor, f4
  94         return testCases;
  95     }
  96 
  97     private static void test(Class<?> aClass, int methodNumber) {
  98         testSlotBigger(aClass);
  99         testCorrectMethods(aClass, methodNumber);
 100     }
 101 
 102     private static void testSlotBigger(Class<?> holder) {
 103         HotSpotResolvedJavaMethod method
 104                 = CompilerToVMHelper.getResolvedJavaMethodAtSlot(holder, 50);
 105         Asserts.assertNull(method, "Got method for non existing slot 50 in "
 106                 + holder);
 107     }
 108 
 109     private static void testCorrectMethods(Class<?> holder, int methodsNumber) {
 110         for (int i = 0; i < methodsNumber; i++) {
 111             String caseName = String.format("slot %d in %s",
 112                     i, holder.getCanonicalName());
 113             HotSpotResolvedJavaMethod method = CompilerToVMHelper
 114                     .getResolvedJavaMethodAtSlot(holder, i);
 115             Asserts.assertNotNull(method, caseName + " did not got method");
 116             Asserts.assertEQ(holder,
 117                     CompilerToVMHelper.getMirror(method.getDeclaringClass()),
 118                     caseName + " : unexpected declaring class");
 119         }
 120     }
 121 }