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 package jdk.vm.ci.code.test;
  24 
  25 import java.lang.reflect.Method;
  26 
  27 import jdk.vm.ci.code.BytecodeFrame;
  28 import jdk.vm.ci.code.DebugInfo;
  29 import jdk.vm.ci.code.Location;
  30 import jdk.vm.ci.code.VirtualObject;
  31 import jdk.vm.ci.hotspot.HotSpotReferenceMap;
  32 import jdk.vm.ci.meta.JavaKind;
  33 import jdk.vm.ci.meta.JavaValue;
  34 import jdk.vm.ci.meta.ResolvedJavaMethod;
  35 
  36 /**
  37  * Test code installation with debug information.
  38  */
  39 public class DebugInfoTest extends CodeInstallationTest {
  40 
  41     protected interface DebugInfoCompiler {
  42 
  43         VirtualObject[] compile(TestAssembler asm, JavaValue[] frameValues);
  44     }
  45 
  46     protected void test(DebugInfoCompiler compiler, Method method, int bci, JavaKind... slotKinds) {
  47         test(compiler, method, bci, new Location[0], new Location[0], new int[0], slotKinds);
  48     }
  49 
  50     protected void test(DebugInfoCompiler compiler, Method method, int bci, Location[] objects, Location[] derivedBase, int[] sizeInBytes, JavaKind... slotKinds) {
  51         ResolvedJavaMethod resolvedMethod = metaAccess.lookupJavaMethod(method);
  52 
  53         int numLocals = resolvedMethod.getMaxLocals();
  54         int numStack = slotKinds.length - numLocals;
  55         JavaValue[] values = new JavaValue[slotKinds.length];
  56         test(asm -> {
  57             VirtualObject[] vobjs = compiler.compile(asm, values);
  58 
  59             BytecodeFrame frame = new BytecodeFrame(null, resolvedMethod, bci, false, false, values, slotKinds, numLocals, numStack, 0);
  60             DebugInfo info = new DebugInfo(frame, vobjs);
  61             info.setReferenceMap(new HotSpotReferenceMap(objects, derivedBase, sizeInBytes, 8));
  62 
  63             asm.emitTrap(info);
  64         }, method);
  65     }
  66 }