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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.Opcode;
import org.jf.dexlib2.iface.instruction.Instruction;
import org.jf.dexlib2.iface.instruction.TwoRegisterInstruction;
import org.jf.dexlib2.iface.instruction.formats.Instruction12x;
import soot.Local;
import soot.Value;
import soot.dexpler.DexBody;
import soot.dexpler.tags.DoubleOpTag;
import soot.dexpler.tags.FloatOpTag;
import soot.dexpler.tags.IntOpTag;
import soot.dexpler.tags.LongOpTag;
import soot.jimple.AssignStmt;
import soot.jimple.Jimple;
public class Binop2addrInstruction extends TaggedInstruction {
public Binop2addrInstruction(Instruction instruction, int codeAdress) {
super(instruction, codeAdress);
}
@Override
public void jimplify(DexBody body) {
if (!(instruction instanceof Instruction12x)) {
throw new IllegalArgumentException("Expected Instruction12x but got: " + instruction.getClass());
}
Instruction12x binOp2AddrInstr = (Instruction12x) instruction;
int dest = binOp2AddrInstr.getRegisterA();
Local source1 = body.getRegisterLocal(binOp2AddrInstr.getRegisterA());
Local source2 = body.getRegisterLocal(binOp2AddrInstr.getRegisterB());
Value expr = getExpression(source1, source2);
AssignStmt assign = Jimple.v().newAssignStmt(body.getRegisterLocal(dest), expr);
assign.addTag(getTag());
setUnit(assign);
addTags(assign);
body.add(assign);
/*
* if (IDalvikTyper.ENABLE_DVKTYPER) { BinopExpr bexpr = (BinopExpr)expr; short op = instruction.getOpcode().value;
* DalvikTyper.v().setType(bexpr.getOp1Box(), op1BinType[op-0xb0], true); DalvikTyper.v().setType(bexpr.getOp2Box(),
* op2BinType[op-0xb0], true); DalvikTyper.v().setType(assign.getLeftOpBox(), resBinType[op-0xb0], false); }
*/
}
private Value getExpression(Local source1, Local source2) {
Opcode opcode = instruction.getOpcode();
switch (opcode) {
case ADD_LONG_2ADDR:
setTag(new LongOpTag());
return Jimple.v().newAddExpr(source1, source2);
case ADD_FLOAT_2ADDR:
setTag(new FloatOpTag());
return Jimple.v().newAddExpr(source1, source2);
case ADD_DOUBLE_2ADDR:
setTag(new DoubleOpTag());
return Jimple.v().newAddExpr(source1, source2);
case ADD_INT_2ADDR:
setTag(new IntOpTag());
return Jimple.v().newAddExpr(source1, source2);
case SUB_LONG_2ADDR:
setTag(new LongOpTag());
return Jimple.v().newSubExpr(source1, source2);
case SUB_FLOAT_2ADDR:
setTag(new FloatOpTag());
return Jimple.v().newSubExpr(source1, source2);
case SUB_DOUBLE_2ADDR:
setTag(new DoubleOpTag());
return Jimple.v().newSubExpr(source1, source2);
case SUB_INT_2ADDR:
setTag(new IntOpTag());
return Jimple.v().newSubExpr(source1, source2);
case MUL_LONG_2ADDR:
setTag(new LongOpTag());
return Jimple.v().newMulExpr(source1, source2);
case MUL_FLOAT_2ADDR:
setTag(new FloatOpTag());
return Jimple.v().newMulExpr(source1, source2);
case MUL_DOUBLE_2ADDR:
setTag(new DoubleOpTag());
return Jimple.v().newMulExpr(source1, source2);
case MUL_INT_2ADDR:
setTag(new IntOpTag());
return Jimple.v().newMulExpr(source1, source2);
case DIV_LONG_2ADDR:
setTag(new LongOpTag());
return Jimple.v().newDivExpr(source1, source2);
case DIV_FLOAT_2ADDR:
setTag(new FloatOpTag());
return Jimple.v().newDivExpr(source1, source2);
case DIV_DOUBLE_2ADDR:
setTag(new DoubleOpTag());
return Jimple.v().newDivExpr(source1, source2);
case DIV_INT_2ADDR:
setTag(new IntOpTag());
return Jimple.v().newDivExpr(source1, source2);
case REM_LONG_2ADDR:
setTag(new LongOpTag());
return Jimple.v().newRemExpr(source1, source2);
case REM_FLOAT_2ADDR:
setTag(new FloatOpTag());
return Jimple.v().newRemExpr(source1, source2);
case REM_DOUBLE_2ADDR:
setTag(new DoubleOpTag());
return Jimple.v().newRemExpr(source1, source2);
case REM_INT_2ADDR:
setTag(new IntOpTag());
return Jimple.v().newRemExpr(source1, source2);
case AND_LONG_2ADDR:
setTag(new LongOpTag());
return Jimple.v().newAndExpr(source1, source2);
case AND_INT_2ADDR:
setTag(new IntOpTag());
return Jimple.v().newAndExpr(source1, source2);
case OR_LONG_2ADDR:
setTag(new LongOpTag());
return Jimple.v().newOrExpr(source1, source2);
case OR_INT_2ADDR:
setTag(new IntOpTag());
return Jimple.v().newOrExpr(source1, source2);
case XOR_LONG_2ADDR:
setTag(new LongOpTag());
return Jimple.v().newXorExpr(source1, source2);
case XOR_INT_2ADDR:
setTag(new IntOpTag());
return Jimple.v().newXorExpr(source1, source2);
case SHL_LONG_2ADDR:
setTag(new LongOpTag());
return Jimple.v().newShlExpr(source1, source2);
case SHL_INT_2ADDR:
setTag(new IntOpTag());
return Jimple.v().newShlExpr(source1, source2);
case SHR_LONG_2ADDR:
setTag(new LongOpTag());
return Jimple.v().newShrExpr(source1, source2);
case SHR_INT_2ADDR:
setTag(new IntOpTag());
return Jimple.v().newShrExpr(source1, source2);
case USHR_LONG_2ADDR:
setTag(new LongOpTag());
return Jimple.v().newUshrExpr(source1, source2);
case USHR_INT_2ADDR:
setTag(new IntOpTag());
return Jimple.v().newUshrExpr(source1, source2);
default:
throw new RuntimeException("Invalid Opcode: " + opcode);
}
}
@Override
boolean overridesRegister(int register) {
TwoRegisterInstruction i = (TwoRegisterInstruction) instruction;
int dest = i.getRegisterA();
return register == dest;
}
}