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/* Soot - a J*va Optimization Framework
* Copyright (C) 2003 Feng Qian
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/**
* A wrapper for native method side-effect simulation.
* The caller passes in a native method with parameters,
* the corresponding native simulator gets called.
*
* @author Feng Qian
*/
package soot.jimple.toolkits.pointer.util;
import soot.*;
import soot.jimple.toolkits.pointer.representations.*;
import soot.jimple.toolkits.pointer.nativemethods.*;
import java.util.*;
public class NativeMethodDriver {
public NativeMethodDriver( NativeHelper helper ) {
cnameToSim.put("java.lang.Object", new JavaLangObjectNative(helper));
cnameToSim.put("java.lang.System", new JavaLangSystemNative(helper));
cnameToSim.put("java.lang.Runtime", new JavaLangRuntimeNative(helper));
cnameToSim.put("java.lang.Shutdown", new JavaLangShutdownNative(helper));
cnameToSim.put("java.lang.String", new JavaLangStringNative(helper));
cnameToSim.put("java.lang.Float", new JavaLangFloatNative(helper));
cnameToSim.put("java.lang.Double", new JavaLangDoubleNative(helper));
cnameToSim.put("java.lang.StrictMath", new JavaLangStrictMathNative(helper));
cnameToSim.put("java.lang.Throwable", new JavaLangThrowableNative(helper));
cnameToSim.put("java.lang.Class", new JavaLangClassNative(helper));
cnameToSim.put("java.lang.Package", new JavaLangPackageNative(helper));
cnameToSim.put("java.lang.Thread", new JavaLangThreadNative(helper));
cnameToSim.put("java.lang.ClassLoader", new JavaLangClassLoaderNative(helper));
cnameToSim.put("java.lang.ClassLoader$NativeLibrary",
new JavaLangClassLoaderNativeLibraryNative(helper));
cnameToSim.put("java.lang.SecurityManager",
new JavaLangSecurityManagerNative(helper));
cnameToSim.put("java.lang.reflect.Field",
new JavaLangReflectFieldNative(helper));
cnameToSim.put("java.lang.reflect.Array",
new JavaLangReflectArrayNative(helper));
cnameToSim.put("java.lang.reflect.Method",
new JavaLangReflectMethodNative(helper));
cnameToSim.put("java.lang.reflect.Constructor",
new JavaLangReflectConstructorNative(helper));
cnameToSim.put("java.lang.reflect.Proxy",
new JavaLangReflectProxyNative(helper));
cnameToSim.put("java.io.FileInputStream",
new JavaIoFileInputStreamNative(helper));
cnameToSim.put("java.io.FileOutputStream",
new JavaIoFileOutputStreamNative(helper));
cnameToSim.put("java.io.ObjectInputStream",
new JavaIoObjectInputStreamNative(helper));
cnameToSim.put("java.io.ObjectOutputStream",
new JavaIoObjectOutputStreamNative(helper));
cnameToSim.put("java.io.ObjectStreamClass",
new JavaIoObjectStreamClassNative(helper));
cnameToSim.put("java.io.FileSystem", new JavaIoFileSystemNative(helper));
cnameToSim.put("java.io.FileDescriptor", new JavaIoFileDescriptorNative(helper));
cnameToSim.put("java.util.ResourceBundle",
new JavaUtilResourceBundleNative(helper));
cnameToSim.put("java.util.TimeZone", new JavaUtilTimeZoneNative(helper));
cnameToSim.put("java.util.jar.JarFile",
new JavaUtilJarJarFileNative(helper));
cnameToSim.put("java.util.zip.CRC32",
new JavaUtilZipCRC32Native(helper));
cnameToSim.put("java.util.zip.Inflater",
new JavaUtilZipInflaterNative(helper));
cnameToSim.put("java.util.zip.ZipFile",
new JavaUtilZipZipFileNative(helper));
cnameToSim.put("java.util.zip.ZipEntry",
new JavaUtilZipZipEntryNative(helper));
cnameToSim.put("java.security.AccessController",
new JavaSecurityAccessControllerNative(helper));
cnameToSim.put("java.net.InetAddress",
new JavaNetInetAddressNative(helper));
cnameToSim.put("java.net.InetAddressImpl",
new JavaNetInetAddressImplNative(helper));
cnameToSim.put("sun.misc.Signal",
new SunMiscSignalNative(helper));
cnameToSim.put("sun.misc.NativeSignalHandler",
new SunMiscSignalHandlerNative(helper));
cnameToSim.put("sun.misc.Unsafe",
new SunMiscUnsafeNative(helper));
}
private final HashMap cnameToSim = new HashMap(100);
private final boolean DEBUG = false;
/**
* The entry point of native method simulation.
* @param method, must be a native method
* @param thisVar, the variable represent @this,
* it can be null if the method is static
* @param returnVar, the variable represent @return
* it is null if the method has no return
* @param params, array of parameters.
*/
public boolean process(SootMethod method,
ReferenceVariable thisVar,
ReferenceVariable returnVar,
ReferenceVariable params[]) {
String cname = method.getDeclaringClass().getName();
NativeMethodClass clsSim = cnameToSim.get(cname);
// G.v().out.println(method.toString());
if (clsSim == null) {
//G.v().out.println("WARNING: it is unsafe to simulate the method ");
//G.v().out.println(" "+method.toString());
//throw new NativeMethodNotSupportedException(method);
return true;
} else {
try {
clsSim.simulateMethod(method,
thisVar,
returnVar,
params);
} catch (NativeMethodNotSupportedException e) {
if(DEBUG) {
G.v().out.println("WARNING: it is unsafe to simulate the method ");
G.v().out.println(" "+method.toString());
}
}
return true;
}
}
}
