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