Mercurial > hg > Members > kono > jpf-core
diff src/peers/gov/nasa/jpf/vm/JPF_gov_nasa_jpf_SerializationConstructor.java @ 0:61d41facf527
initial v8 import (history reset)
author | Peter Mehlitz <Peter.C.Mehlitz@nasa.gov> |
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date | Fri, 23 Jan 2015 10:14:01 -0800 |
parents | |
children | db918c531e6d |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/peers/gov/nasa/jpf/vm/JPF_gov_nasa_jpf_SerializationConstructor.java Fri Jan 23 10:14:01 2015 -0800 @@ -0,0 +1,69 @@ +/* + * Copyright (C) 2014, United States Government, as represented by the + * Administrator of the National Aeronautics and Space Administration. + * All rights reserved. + * + * The Java Pathfinder core (jpf-core) platform is licensed under the + * Apache License, Version 2.0 (the "License"); you may not use this file except + * in compliance with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0. + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package gov.nasa.jpf.vm; + +import gov.nasa.jpf.annotation.MJI; +import gov.nasa.jpf.vm.ClassInfo; +import gov.nasa.jpf.vm.DirectCallStackFrame; +import gov.nasa.jpf.vm.MJIEnv; +import gov.nasa.jpf.vm.MethodInfo; +import gov.nasa.jpf.vm.NativePeer; +import gov.nasa.jpf.vm.ThreadInfo; + + +public class JPF_gov_nasa_jpf_SerializationConstructor extends NativePeer { + + /** + * create a new instance, but only call the ctor of the first + * non-serializable superclass + */ + @MJI + public int newInstance___3Ljava_lang_Object_2__Ljava_lang_Object_2 (MJIEnv env, int mthRef, int argsRef) { + ThreadInfo ti = env.getThreadInfo(); + DirectCallStackFrame frame = ti.getReturnedDirectCall(); + + int superCtorRef = env.getReferenceField(mthRef, "firstNonSerializableCtor"); + MethodInfo miCtor = JPF_java_lang_reflect_Constructor.getMethodInfo(env,superCtorRef); + + if (frame == null){ // first time + int clsRef = env.getReferenceField(mthRef, "mdc"); + ClassInfo ci = env.getReferredClassInfo( clsRef); + + if (ci.isAbstract()){ + env.throwException("java.lang.InstantiationException"); + return MJIEnv.NULL; + } + + int objRef = env.newObjectOfUncheckedClass(ci); + frame = miCtor.createDirectCallStackFrame(ti, 1); + frame.setReferenceArgument( 0, objRef, null); + frame.setLocalReferenceVariable(0, objRef); // (1) we store the reference as a local var for retrieval during reexec + ti.pushFrame(frame); + + // check for & push required clinits + ci.pushRequiredClinits(ti); + env.repeatInvocation(); + return MJIEnv.NULL; + + } else { // re-execution, + int objRef = frame.getLocalVariable(0); // that's the object ref we stored in (1) + return objRef; + } + } +}