| /* |
| * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| /** |
| * @test |
| * @bug 8136421 |
| * @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9") & os.arch != "aarch64" |
| * @library /testlibrary /../../test/lib / |
| * @compile ../common/CompilerToVMHelper.java |
| * @run main ClassFileInstaller jdk.vm.ci.hotspot.CompilerToVMHelper |
| * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI |
| * -Xbootclasspath/a:. |
| * compiler.jvmci.compilerToVM.GetLineNumberTableTest |
| */ |
| |
| package compiler.jvmci.compilerToVM; |
| |
| import compiler.jvmci.common.CTVMUtilities; |
| import compiler.jvmci.common.testcases.TestCase; |
| import jdk.vm.ci.hotspot.CompilerToVMHelper; |
| import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethodImpl; |
| import jdk.internal.org.objectweb.asm.ClassReader; |
| import jdk.internal.org.objectweb.asm.ClassVisitor; |
| import jdk.internal.org.objectweb.asm.ClassWriter; |
| import jdk.internal.org.objectweb.asm.Label; |
| import jdk.internal.org.objectweb.asm.MethodVisitor; |
| import jdk.internal.org.objectweb.asm.Opcodes; |
| import jdk.internal.org.objectweb.asm.tree.ClassNode; |
| import jdk.test.lib.Asserts; |
| import jdk.test.lib.Utils; |
| |
| import java.io.IOException; |
| import java.lang.reflect.Constructor; |
| import java.lang.reflect.Executable; |
| import java.lang.reflect.Method; |
| import java.lang.reflect.Parameter; |
| import java.util.Arrays; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.TreeMap; |
| |
| public class GetLineNumberTableTest { |
| public static void main(String[] args) { |
| TestCase.getAllExecutables() |
| .forEach(GetLineNumberTableTest::runSanityTest); |
| } |
| |
| public static void runSanityTest(Executable aMethod) { |
| HotSpotResolvedJavaMethodImpl method = CTVMUtilities |
| .getResolvedMethod(aMethod); |
| long[] lineNumbers = CompilerToVMHelper.getLineNumberTable(method); |
| long[] expectedLineNumbers = getExpectedLineNumbers(aMethod); |
| |
| Asserts.assertTrue(Arrays.equals(lineNumbers, expectedLineNumbers), |
| String.format("%s : unequal table values : %n%s%n%s%n", |
| aMethod, |
| Arrays.toString(lineNumbers), |
| Arrays.toString(expectedLineNumbers))); |
| } |
| |
| public static long[] getExpectedLineNumbers(Executable aMethod) { |
| try { |
| ClassReader cr = new ClassReader(aMethod.getDeclaringClass() |
| .getName()); |
| ClassNode cn = new ClassNode(); |
| cr.accept(cn, ClassReader.EXPAND_FRAMES); |
| |
| Map<Label, Integer> lineNumbers = new HashMap<>(); |
| ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_FRAMES); |
| ClassVisitor cv = new ClassVisitorForLabels(cw, lineNumbers, |
| aMethod); |
| cr.accept(cv, ClassReader.EXPAND_FRAMES); |
| |
| long[] result = null; |
| if (!lineNumbers.isEmpty()) { |
| Map<Integer, Integer> labels = new TreeMap<>(); |
| lineNumbers.forEach((k, v) -> labels.put(k.getOffset(), v)); |
| |
| result = new long[2 * labels.size()]; |
| int i = 0; |
| for (Integer key : labels.keySet()) { |
| result[i++] = key.longValue(); |
| result[i++] = labels.get(key).longValue(); |
| } |
| } |
| // compilerToVM::getLineNumberTable returns null in case empty table |
| return result; |
| } catch (IOException e) { |
| throw new Error("TEST BUG " + e, e); |
| } |
| } |
| |
| private static class ClassVisitorForLabels extends ClassVisitor { |
| private final Map<Label, Integer> lineNumbers; |
| private final String targetName; |
| private final String targetDesc; |
| |
| public ClassVisitorForLabels(ClassWriter cw, Map<Label, Integer> lines, |
| Executable target) { |
| super(Opcodes.ASM5, cw); |
| this.lineNumbers = lines; |
| |
| StringBuilder builder = new StringBuilder("("); |
| for (Parameter parameter : target.getParameters()) { |
| builder.append(Utils.toJVMTypeSignature(parameter.getType())); |
| } |
| builder.append(")"); |
| if (target instanceof Constructor) { |
| targetName = "<init>"; |
| builder.append("V"); |
| } else { |
| targetName = target.getName(); |
| builder.append(Utils.toJVMTypeSignature( |
| ((Method) target).getReturnType())); |
| } |
| targetDesc = builder.toString(); |
| } |
| |
| @Override |
| public final MethodVisitor visitMethod(int access, String name, |
| String desc, String signature, |
| String[] exceptions) { |
| MethodVisitor mv = cv.visitMethod(access, name, desc, signature, |
| exceptions); |
| if (targetDesc.equals(desc) && targetName.equals(name)) { |
| return new MethodVisitor(Opcodes.ASM5, mv) { |
| @Override |
| public void visitLineNumber(int i, Label label) { |
| super.visitLineNumber(i, label); |
| lineNumbers.put(label, i); |
| } |
| }; |
| } |
| return mv; |
| } |
| } |
| } |