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  * @test
  26  * @bug 8136421
  27  * @requires vm.jvmci
  28  * @library /test/lib /
  29  * @library ../common/patches
  30  * @modules java.base/jdk.internal.misc
  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.hotspot
  34  *          jdk.vm.ci/jdk.vm.ci.code
  35  * @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper
  36  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
  37  *                   compiler.jvmci.compilerToVM.GetStackTraceElementTest
  38  */
  39 
  40 package compiler.jvmci.compilerToVM;
  41 
  42 import compiler.jvmci.common.CTVMUtilities;
  43 import compiler.jvmci.common.testcases.TestCase;
  44 import jdk.test.lib.Asserts;
  45 import jdk.vm.ci.hotspot.CompilerToVMHelper;
  46 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
  47 
  48 import java.lang.reflect.Executable;
  49 import java.lang.reflect.Method;
  50 import java.lang.reflect.Modifier;
  51 import java.util.HashMap;
  52 import java.util.Map;
  53 
  54 public class GetStackTraceElementTest {
  55 
  56     public static void main(String[] args) {
  57         Map<Executable, int[]> testCases = createTestCases();
  58         testCases.forEach(GetStackTraceElementTest::runSanityTest);
  59     }
  60 
  61     private static void runSanityTest(Executable aMethod, int[] bcis) {
  62         HotSpotResolvedJavaMethod method = CTVMUtilities
  63                 .getResolvedMethod(aMethod);
  64         String className = aMethod.getDeclaringClass().getName();
  65         String methodName = aMethod.getName().equals(className)
  66                 ? "<init>"
  67                 : aMethod.getName();
  68         String fileName = getFileName(className);
  69         Map<Integer, Integer> bciWithLineNumber = CTVMUtilities
  70                 .getBciToLineNumber(aMethod);
  71         boolean isNative = Modifier.isNative(aMethod.getModifiers());
  72         int lineNumber = -1;
  73         for (int bci : bcis) {
  74             StackTraceElement ste = CompilerToVMHelper
  75                     .getStackTraceElement(method, bci);
  76             Asserts.assertNotNull(ste, aMethod + " : got null StackTraceElement"
  77                     + " at bci " + bci);
  78             Asserts.assertEQ(className, ste.getClassName(), aMethod
  79                     + " : unexpected class name");
  80             Asserts.assertEQ(fileName, ste.getFileName(), aMethod
  81                     + " : unexpected filename");
  82             Asserts.assertEQ(methodName, ste.getMethodName(), aMethod
  83                     + " : unexpected method name");
  84             Asserts.assertEQ(isNative, ste.isNativeMethod(), aMethod
  85                     + " : unexpected 'isNative' value");
  86             if (bciWithLineNumber.size() > 0) {
  87                 if (bciWithLineNumber.containsKey(bci)) {
  88                     lineNumber = bciWithLineNumber.get(bci);
  89                 }
  90                 Asserts.assertEQ(lineNumber, ste.getLineNumber(), aMethod
  91                         + " : unexpected line number");
  92             } else {
  93                 // native and abstract function
  94                 Asserts.assertGT(0, ste.getLineNumber(),
  95                         aMethod + " : unexpected line number for abstract "
  96                                 + "or native method");
  97             }
  98         }
  99 
 100     }
 101 
 102     private static String getFileName(String className) {
 103         int lastDot = className.lastIndexOf('.');
 104         int firstDol = className.contains("$")
 105                 ? className.indexOf('$')
 106                 : className.length();
 107         return className.substring(lastDot + 1, firstDol) + ".java";
 108     }
 109 
 110     private static Map<Executable, int[]> createTestCases() {
 111         Map<Executable, int[]> testCases = new HashMap<>();
 112 
 113         try {
 114             Class<?> aClass = DummyClass.class;
 115             Method aMethod = aClass.getDeclaredMethod("dummyInstanceFunction");
 116             int[] bci = new int[] {0, 2, 3, 6, 7, 8, 11, 13, 15, 16, 17, 18};
 117             testCases.put(aMethod, bci);
 118 
 119             aMethod = aClass.getDeclaredMethod("dummyEmptyFunction");
 120             bci = new int[] {0};
 121             testCases.put(aMethod, bci);
 122 
 123             aMethod = aClass.getDeclaredMethod("nativeFunction");
 124             bci = new int[] {0};
 125             testCases.put(aMethod, bci);
 126 
 127             TestCase.getAllExecutables()
 128                     .forEach(c -> testCases.put(c, new int[] {0}));
 129         } catch (NoSuchMethodException e) {
 130             throw new Error("TEST BUG : test method not found", e);
 131         }
 132         return testCases;
 133     }
 134 
 135     private class DummyClass {
 136         public int dummyInstanceFunction() {
 137             String str1 = "123123123";
 138             double x = 3.14;
 139             int y = Integer.parseInt(str1);
 140 
 141             return y / (int)x;
 142         }
 143 
 144         public void dummyEmptyFunction() {}
 145 
 146         public native void nativeFunction();
 147     }
 148 }