112 lines
4.0 KiB
Java
112 lines
4.0 KiB
Java
/*
|
|
* This program and the accompanying materials
|
|
* are made available under the terms of the Eclipse Public License v1.0
|
|
* which accompanies this distribution, and is available at
|
|
* http://www.eclipse.org/legal/epl-v10.html.
|
|
*
|
|
* This file is a derivative of code released under the terms listed below.
|
|
*
|
|
*/
|
|
/*
|
|
*
|
|
* Copyright (c) 2009-2012,
|
|
*
|
|
* Galois, Inc. (Aaron Tomb <atomb@galois.com>, Rogan Creswick <creswick@galois.com>)
|
|
* Steve Suh <suhsteve@gmail.com>
|
|
*
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright notice,
|
|
* this list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
*
|
|
* 3. The names of the contributors may not be used to endorse or promote
|
|
* products derived from this software without specific prior written
|
|
* permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
|
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
*
|
|
*/
|
|
package org.scandroid.flow.functions;
|
|
|
|
|
|
import org.scandroid.domain.IFDSTaintDomain;
|
|
|
|
import com.ibm.wala.dataflow.IFDS.IFlowFunction;
|
|
import com.ibm.wala.dataflow.IFDS.IFlowFunctionMap;
|
|
import com.ibm.wala.dataflow.IFDS.IReversibleFlowFunction;
|
|
import com.ibm.wala.dataflow.IFDS.ISupergraph;
|
|
import com.ibm.wala.dataflow.IFDS.IUnaryFlowFunction;
|
|
import com.ibm.wala.dataflow.IFDS.IdentityFlowFunction;
|
|
import com.ibm.wala.ipa.callgraph.CGNode;
|
|
import com.ibm.wala.ipa.callgraph.propagation.InstanceKey;
|
|
import com.ibm.wala.ipa.callgraph.propagation.PointerAnalysis;
|
|
import com.ibm.wala.ipa.cfg.BasicBlockInContext;
|
|
import com.ibm.wala.ssa.ISSABasicBlock;
|
|
import com.ibm.wala.util.intset.IntSet;
|
|
import com.ibm.wala.util.intset.SparseIntSet;
|
|
|
|
|
|
public class IDTransferFunctions <E extends ISSABasicBlock> implements
|
|
IFlowFunctionMap<BasicBlockInContext<E>> {
|
|
@SuppressWarnings("unused")
|
|
|
|
public static final IntSet EMPTY_SET = new SparseIntSet();
|
|
public static final IntSet ZERO_SET = SparseIntSet.singleton(0);
|
|
|
|
private static final IReversibleFlowFunction IDENTITY_FN = new IdentityFlowFunction();
|
|
|
|
public IDTransferFunctions(IFDSTaintDomain<E> domain,
|
|
ISupergraph<BasicBlockInContext<E>, CGNode> graph,
|
|
PointerAnalysis<InstanceKey> pa) {
|
|
}
|
|
|
|
@Override
|
|
public IUnaryFlowFunction getNormalFlowFunction(BasicBlockInContext<E> src,
|
|
BasicBlockInContext<E> dest) {
|
|
return IDENTITY_FN;
|
|
}
|
|
|
|
@Override
|
|
public IUnaryFlowFunction getCallFlowFunction(BasicBlockInContext<E> src,
|
|
BasicBlockInContext<E> dest, BasicBlockInContext<E> ret) {
|
|
return IDENTITY_FN;
|
|
}
|
|
|
|
@Override
|
|
public IFlowFunction getReturnFlowFunction(BasicBlockInContext<E> call,
|
|
BasicBlockInContext<E> src, BasicBlockInContext<E> dest) {
|
|
return IDENTITY_FN;
|
|
}
|
|
|
|
@Override
|
|
public IUnaryFlowFunction getCallToReturnFlowFunction(
|
|
BasicBlockInContext<E> src, BasicBlockInContext<E> dest) {
|
|
return IDENTITY_FN;
|
|
}
|
|
|
|
@Override
|
|
public IUnaryFlowFunction getCallNoneToReturnFlowFunction(
|
|
BasicBlockInContext<E> src, BasicBlockInContext<E> dest) {
|
|
return IDENTITY_FN;
|
|
}
|
|
|
|
}
|