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 (vm.simpleArch == "x64" | vm.simpleArch == "sparcv9" | vm.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.test.lib.Asserts;
  46 import jdk.vm.ci.hotspot.CompilerToVMHelper;
  47 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
  48 
  49 import java.util.HashMap;
  50 import java.util.Map;
  51 
  52 public class GetResolvedJavaMethodAtSlotTest {
  53 
  54     private static class A {
  55         {
  56             System.out.println("Dummy");
  57         }
  58         public void f1() {}
  59         public int f2() { return 0; }
  60         public String f3() { return ""; }
  61     }
  62 
  63 
  64     private static class S {
  65         static {
  66             System.out.println("Dummy static");
  67         }
  68         public S() {}
  69         public void f1() {}
  70         public int f2() { return 0; }
  71         public String f3() { return ""; }
  72     }
  73 
  74     private class B extends A {
  75         public void f4() {}
  76     }
  77 
  78     private interface I {
  79         void f1();
  80         int f2();
  81         String f3();
  82     }
  83 
  84     public static void main(String[] args) {
  85         Map<Class<?>, Integer> testCases = getTestCases();
  86         testCases.forEach(GetResolvedJavaMethodAtSlotTest::test);
  87     }
  88 
  89     private static Map<Class<?>, Integer> getTestCases() {
  90         Map<Class<?>, Integer> testCases = new HashMap<>();
  91         testCases.put(A.class, 5); // ctor, init, f1, f2, f3
  92         testCases.put(S.class, 5); // ctor, cinit, f1, f2, f3
  93         testCases.put(I.class, 3); // f1, f2, f3
  94         testCases.put(B.class, 2); // ctor, f4
  95         return testCases;
  96     }
  97 
  98     private static void test(Class<?> aClass, int methodNumber) {
  99         testSlotBigger(aClass);
 100         testCorrectMethods(aClass, methodNumber);
 101     }
 102 
 103     private static void testSlotBigger(Class<?> holder) {
 104         HotSpotResolvedJavaMethod method
 105                 = CompilerToVMHelper.getResolvedJavaMethodAtSlot(holder, 50);
 106         Asserts.assertNull(method, "Got method for non existing slot 50 in "
 107                 + holder);
 108     }
 109 
 110     private static void testCorrectMethods(Class<?> holder, int methodsNumber) {
 111         for (int i = 0; i < methodsNumber; i++) {
 112             String caseName = String.format("slot %d in %s",
 113                     i, holder.getCanonicalName());
 114             HotSpotResolvedJavaMethod method = CompilerToVMHelper
 115                     .getResolvedJavaMethodAtSlot(holder, i);
 116             Asserts.assertNotNull(method, caseName + " did not got method");
 117             Asserts.assertEQ(holder,
 118                     CompilerToVMHelper.getMirror(method.getDeclaringClass()),
 119                     caseName + " : unexpected declaring class");
 120         }
 121     }
 122 }