soot.dexpler.instructions.IfTestInstruction Maven / Gradle / Ivy
package soot.dexpler.instructions;
/*-
* #%L
* Soot - a J*va Optimization Framework
* %%
* Copyright (C) 2012 Michael Markert, Frank Hartmann
*
* (c) 2012 University of Luxembourg - Interdisciplinary Centre for
* Security Reliability and Trust (SnT) - All rights reserved
* Alexandre Bartel
*
* %%
* This program 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 program 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 Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* .
* #L%
*/
import org.jf.dexlib2.iface.instruction.Instruction;
import org.jf.dexlib2.iface.instruction.formats.Instruction22t;
import soot.Local;
import soot.dexpler.DexBody;
import soot.dexpler.IDalvikTyper;
import soot.dexpler.typing.DalvikTyper;
import soot.jimple.BinopExpr;
import soot.jimple.IfStmt;
import soot.jimple.Jimple;
public class IfTestInstruction extends ConditionalJumpInstruction {
public IfTestInstruction(Instruction instruction, int codeAdress) {
super(instruction, codeAdress);
}
@Override
protected IfStmt ifStatement(DexBody body) {
Instruction22t i = (Instruction22t) instruction;
Local one = body.getRegisterLocal(i.getRegisterA());
Local other = body.getRegisterLocal(i.getRegisterB());
BinopExpr condition = getComparisonExpr(one, other);
IfStmt jif = Jimple.v().newIfStmt(condition, targetInstruction.getUnit());
// setUnit() is called in ConditionalJumpInstruction
addTags(jif);
if (IDalvikTyper.ENABLE_DVKTYPER) {
// Debug.printDbg(IDalvikTyper.DEBUG, "constraint if: "+ jif +" condition: "+ condition);
DalvikTyper.v().addConstraint(condition.getOp1Box(), condition.getOp2Box());
}
return jif;
}
}