string OpCodeToString(OpCode opcode, Class currentClass, Method method, JumpTable jumpTable)
{
switch (opcode.Instruction)
{
case Instructions.Const:
case Instructions.Const4:
case Instructions.Const16:
case Instructions.ConstHigh:
case Instructions.ConstWide16:
case Instructions.ConstWide32:
case Instructions.ConstWide:
case Instructions.ConstWideHigh:
dynamic constOpCode = opcode;
return(string.Format("{1} = #{2}", constOpCode.Name, GetRegisterName(constOpCode.Destination, method), constOpCode.Value));
case Instructions.Move:
case Instructions.MoveFrom16:
case Instructions.Move16:
case Instructions.MoveWide:
case Instructions.MoveWideFrom16:
case Instructions.MoveWide16:
case Instructions.MoveObject:
case Instructions.MoveObjectFrom16:
case Instructions.MoveObject16:
dynamic moveOpCode = opcode;
return(string.Format("{1} = {2}", moveOpCode.Name, GetRegisterName(moveOpCode.To, method), GetRegisterName(moveOpCode.From, method)));
case Instructions.MoveResult:
case Instructions.MoveResultWide:
case Instructions.MoveResultObject:
case Instructions.MoveException:
dynamic moveResultOpCode = opcode;
return(string.Format("{0} {1}", moveResultOpCode.Name, GetRegisterName(moveResultOpCode.Destination, method)));
case Instructions.ConstString:
case Instructions.ConstStringJumbo:
dynamic constStringOpCode = opcode;
return(string.Format("{1} = \"{2}\"", constStringOpCode.Name, GetRegisterName(constStringOpCode.Destination, method), _dex.GetString(constStringOpCode.StringIndex).Replace("\n", "\\n")));
case Instructions.ConstClass:
return(string.Format("{0} = {1}", GetRegisterName(((ConstClassOpCode)opcode).Destination, method), _dex.GetTypeName(((ConstClassOpCode)opcode).TypeIndex)));
case Instructions.CheckCast:
var typeCheckCast = _dex.GetTypeName(((CheckCastOpCode)opcode).TypeIndex);
return(string.Format("({1}){0}", GetRegisterName(((CheckCastOpCode)opcode).Destination, method), typeCheckCast));
case Instructions.InstanceOf:
var typeInstanceOf = _dex.GetTypeName(((InstanceOfOpCode)opcode).TypeIndex);
return(string.Format("instance-of v{0}, v{1}, {2}", ((InstanceOfOpCode)opcode).Destination, ((InstanceOfOpCode)opcode).Reference, typeInstanceOf));
case Instructions.NewInstance:
var typeNewInstance = _dex.GetTypeName(((NewInstanceOpCode)opcode).TypeIndex);
return(string.Format("{0} = new {1}", GetRegisterName(((NewInstanceOpCode)opcode).Destination, method), typeNewInstance));
case Instructions.NewArrayOf:
var newArrayOpCode = (NewArrayOfOpCode)opcode;
var typeNewArrayOfOpCode = _dex.GetTypeName(newArrayOpCode.TypeIndex);
return(string.Format("{0} = new {1}", GetRegisterName(newArrayOpCode.Destination, method),
typeNewArrayOfOpCode.Replace("[]", string.Format("[{0}]", GetRegisterName(newArrayOpCode.Size, method)))));
case Instructions.FilledNewArrayOf:
var typeFilledNewArrayOf = _dex.GetTypeName(((FilledNewArrayOfOpCode)opcode).TypeIndex);
return(string.Format("filled-new-array {0}, {1}", string.Join(",", ((FilledNewArrayOfOpCode)opcode).Values), typeFilledNewArrayOf));
case Instructions.FilledNewArrayRange:
var typeFilledNewArrayRange = _dex.GetTypeName(((FilledNewArrayRangeOpCode)opcode).TypeIndex);
return(string.Format("filled-new-array/range {0}, {1}", string.Join(",", ((FilledNewArrayRangeOpCode)opcode).Values), typeFilledNewArrayRange));
case Instructions.ArrayLength:
var arrayLengthOpcode = (ArrayLengthOpCode)opcode;
return(string.Format("{0} = {1}.length", GetRegisterName(arrayLengthOpcode.Destination, method), GetRegisterName(arrayLengthOpcode.ArrayReference, method)));
case Instructions.InvokeVirtual:
case Instructions.InvokeSuper:
case Instructions.InvokeDirect:
case Instructions.InvokeStatic:
case Instructions.InvokeInterface:
var invokeOpcode = (InvokeOpCode)opcode;
var invokeMethod = _dex.GetMethod(invokeOpcode.MethodIndex);
string invokeObject;
if (invokeMethod.IsStatic() || invokeOpcode.Instruction == Instructions.InvokeStatic)
{
invokeObject = _dex.GetTypeName(invokeMethod.ClassIndex);
}
else
{
invokeObject = GetRegisterName(invokeOpcode.ArgumentRegisters [0], method);
}
string[] registerNames = {};
if (invokeOpcode.ArgumentRegisters.Length > 0)
{
var instanceAdjustment = invokeMethod.IsStatic()?0:1;
registerNames = new string[invokeOpcode.ArgumentRegisters.Length - instanceAdjustment];
for (int i = 0; i < registerNames.Length; i++)
{
registerNames [i] = GetRegisterName(invokeOpcode.ArgumentRegisters[i + instanceAdjustment], method);
}
}
return(string.Format("{2}.{3}({1})", ((InvokeOpCode)opcode).Name, string.Join(",", registerNames), invokeObject, invokeMethod.Name));
case Instructions.Sput:
case Instructions.SputWide:
case Instructions.SputObject:
case Instructions.SputBoolean:
case Instructions.SputChar:
case Instructions.SputShort:
case Instructions.SputByte:
var sputOpcode = (StaticOpOpCode)opcode;
return(string.Format("{2} = {1}", sputOpcode.Name, GetRegisterName(sputOpcode.Destination, method), GetFieldName(sputOpcode.Index, currentClass, true)));
case Instructions.Sget:
case Instructions.SgetWide:
case Instructions.SgetObject:
case Instructions.SgetBoolean:
case Instructions.SgetChar:
case Instructions.SgetShort:
case Instructions.SgetByte:
var sgetOpcode = (StaticOpOpCode)opcode;
return(string.Format("{1} = {2}", sgetOpcode.Name, GetRegisterName(sgetOpcode.Destination, method), GetFieldName(sgetOpcode.Index, currentClass, true)));
case Instructions.Iput:
case Instructions.IputWide:
case Instructions.IputObject:
case Instructions.IputBoolean:
case Instructions.IputChar:
case Instructions.IputShort:
case Instructions.IputByte:
var iputOpCode = (IinstanceOpOpCode)opcode;
return(string.Format("{2} = {1}", iputOpCode.Name, GetRegisterName(iputOpCode.Destination, method), GetFieldName(iputOpCode.Index, currentClass)));
case Instructions.Iget:
case Instructions.IgetWide:
case Instructions.IgetObject:
case Instructions.IgetBoolean:
case Instructions.IgetChar:
case Instructions.IgetShort:
case Instructions.IgetByte:
var igetOpCode = (IinstanceOpOpCode)opcode;
return(string.Format("{1} = {2}", igetOpCode.Name, GetRegisterName(igetOpCode.Destination, method), GetFieldName(igetOpCode.Index, currentClass)));
case Instructions.Aput:
case Instructions.AputWide:
case Instructions.AputObject:
case Instructions.AputBoolean:
case Instructions.AputChar:
case Instructions.AputShort:
case Instructions.AputByte:
var aputOpCode = (ArrayOpOpCode)opcode;
return(string.Format("{2}[{3}] = {1}", aputOpCode.Name, GetRegisterName(aputOpCode.Destination, method), GetRegisterName(aputOpCode.Array, method), GetRegisterName(aputOpCode.Index, method)));
case Instructions.Aget:
case Instructions.AgetWide:
case Instructions.AgetObject:
case Instructions.AgetBoolean:
case Instructions.AgetChar:
case Instructions.AgetShort:
case Instructions.AgetByte:
var agetOpCode = (ArrayOpOpCode)opcode;
return(string.Format("{1} = {2}[{3}]", agetOpCode.Name, GetRegisterName(agetOpCode.Destination, method), GetRegisterName(agetOpCode.Array, method), GetRegisterName(agetOpCode.Index, method)));
case Instructions.AddInt:
case Instructions.AddLong:
case Instructions.AddFloat:
case Instructions.AddDouble:
return(FormatBinaryOperation((BinaryOpOpCode)opcode, "+", method));
case Instructions.SubInt:
case Instructions.SubLong:
case Instructions.SubFloat:
case Instructions.SubDouble:
return(FormatBinaryOperation((BinaryOpOpCode)opcode, "-", method));
case Instructions.MulInt:
case Instructions.MulLong:
case Instructions.MulFloat:
case Instructions.MulDouble:
return(FormatBinaryOperation((BinaryOpOpCode)opcode, "*", method));
case Instructions.DivInt:
case Instructions.DivLong:
case Instructions.DivFloat:
case Instructions.DivDouble:
return(FormatBinaryOperation((BinaryOpOpCode)opcode, "/", method));
case Instructions.RemInt:
case Instructions.RemLong:
case Instructions.RemFloat:
case Instructions.RemDouble:
return(FormatBinaryOperation((BinaryOpOpCode)opcode, "&", method));
case Instructions.AndInt:
case Instructions.AndLong:
return(FormatBinaryOperation((BinaryOpOpCode)opcode, "&", method));
case Instructions.OrInt:
case Instructions.OrLong:
return(FormatBinaryOperation((BinaryOpOpCode)opcode, "|", method));
case Instructions.XorInt:
case Instructions.XorLong:
return(FormatBinaryOperation((BinaryOpOpCode)opcode, "^", method));
case Instructions.ShlInt:
case Instructions.ShlLong:
return(FormatBinaryOperation((BinaryOpOpCode)opcode, "<<", method));
case Instructions.ShrInt:
case Instructions.UshrInt:
case Instructions.ShrLong:
case Instructions.UshrLong:
return(FormatBinaryOperation((BinaryOpOpCode)opcode, ">>", method));
case Instructions.IfEq:
return(FormatIfOperation((IfOpCode)opcode, "=", method, jumpTable));
case Instructions.IfNe:
return(FormatIfOperation((IfOpCode)opcode, "!=", method, jumpTable));
case Instructions.IfLt:
return(FormatIfOperation((IfOpCode)opcode, "<", method, jumpTable));
case Instructions.IfGe:
return(FormatIfOperation((IfOpCode)opcode, ">=", method, jumpTable));
case Instructions.IfGt:
return(FormatIfOperation((IfOpCode)opcode, ">", method, jumpTable));
case Instructions.IfLe:
return(FormatIfOperation((IfOpCode)opcode, "<=", method, jumpTable));
case Instructions.IfEqz:
return(FormatIfzOperation((IfzOpCode)opcode, "=", method, jumpTable));
case Instructions.IfNez:
return(FormatIfzOperation((IfzOpCode)opcode, "!=", method, jumpTable));
case Instructions.IfLtz:
return(FormatIfzOperation((IfzOpCode)opcode, "<", method, jumpTable));
case Instructions.IfGez:
return(FormatIfzOperation((IfzOpCode)opcode, ">=", method, jumpTable));
case Instructions.IfGtz:
return(FormatIfzOperation((IfzOpCode)opcode, ">", method, jumpTable));
case Instructions.IfLez:
return(FormatIfzOperation((IfzOpCode)opcode, "<=", method, jumpTable));
case Instructions.RsubInt:
case Instructions.RsubIntLit8:
dynamic rsubIntOpCode = opcode;
return(string.Format("{0} = #{2} - {1}", GetRegisterName(rsubIntOpCode.Destination, method), GetRegisterName(rsubIntOpCode.Source, method), rsubIntOpCode.Constant));
case Instructions.AddIntLit16:
case Instructions.AddIntLit8:
return(FormatBinaryLiteralOperation(opcode, "+", method));
case Instructions.MulIntLit16:
case Instructions.MulIntLit8:
return(FormatBinaryLiteralOperation(opcode, "*", method));
case Instructions.DivIntLit16:
case Instructions.DivIntLit8:
return(FormatBinaryLiteralOperation(opcode, "/", method));
case Instructions.RemIntLit16:
case Instructions.RemIntLit8:
return(FormatBinaryLiteralOperation(opcode, "%", method));
case Instructions.AndIntLit16:
case Instructions.AndIntLit8:
return(FormatBinaryLiteralOperation(opcode, "&", method));
case Instructions.OrIntLit16:
case Instructions.OrIntLit8:
return(FormatBinaryLiteralOperation(opcode, "|", method));
case Instructions.XorIntLit16:
case Instructions.XorIntLit8:
return(FormatBinaryLiteralOperation(opcode, "^", method));
case Instructions.ShlIntLit8:
return(FormatBinaryLiteralOperation(opcode, "<<", method));
case Instructions.ShrIntLit8:
return(FormatBinaryLiteralOperation(opcode, ">>", method));
case Instructions.UshrIntLit8:
return(FormatBinaryLiteralOperation(opcode, ">>", method));
case Instructions.AddInt2Addr:
case Instructions.AddLong2Addr:
case Instructions.AddFloat2Addr:
case Instructions.AddDouble2Addr:
return(FormatBinary2AddrOperation((BinaryOp2OpCode)opcode, "+", method));
case Instructions.SubInt2Addr:
case Instructions.SubLong2Addr:
case Instructions.SubFloat2Addr:
case Instructions.SubDouble2Addr:
return(FormatBinary2AddrOperation((BinaryOp2OpCode)opcode, "-", method));
case Instructions.MulInt2Addr:
case Instructions.MulLong2Addr:
case Instructions.MulFloat2Addr:
case Instructions.MulDouble2Addr:
return(FormatBinary2AddrOperation((BinaryOp2OpCode)opcode, "*", method));
case Instructions.DivInt2Addr:
case Instructions.DivLong2Addr:
case Instructions.DivFloat2Addr:
case Instructions.DivDouble2Addr:
return(FormatBinary2AddrOperation((BinaryOp2OpCode)opcode, "/", method));
case Instructions.RemInt2Addr:
case Instructions.RemLong2Addr:
case Instructions.RemFloat2Addr:
case Instructions.RemDouble2Addr:
return(FormatBinary2AddrOperation((BinaryOp2OpCode)opcode, "&", method));
case Instructions.AndInt2Addr:
case Instructions.AndLong2Addr:
return(FormatBinary2AddrOperation((BinaryOp2OpCode)opcode, "&", method));
case Instructions.OrInt2Addr:
case Instructions.OrLong2Addr:
return(FormatBinary2AddrOperation((BinaryOp2OpCode)opcode, "|", method));
case Instructions.XorInt2Addr:
case Instructions.XorLong2Addr:
return(FormatBinary2AddrOperation((BinaryOp2OpCode)opcode, "^", method));
case Instructions.ShlInt2Addr:
case Instructions.ShlLong2Addr:
return(FormatBinary2AddrOperation((BinaryOp2OpCode)opcode, "<<", method));
case Instructions.ShrInt2Addr:
case Instructions.UshrInt2Addr:
case Instructions.ShrLong2Addr:
case Instructions.UshrLong2Addr:
return(FormatBinary2AddrOperation((BinaryOp2OpCode)opcode, ">>", method));
case Instructions.Goto:
case Instructions.Goto16:
case Instructions.Goto32:
dynamic gotoOpCode = opcode;
return(string.Format("{0} {1}", gotoOpCode.Name, jumpTable.GetReferrerLabel(gotoOpCode.OpCodeOffset)));
case Instructions.PackedSwitch:
var packedSwitchOpCode = (PackedSwitchOpCode)opcode;
return(string.Format("{0} {1} - First:{2} - [{3}]", opcode.Name, GetRegisterName(packedSwitchOpCode.Destination, method), packedSwitchOpCode.FirstKey, string.Join(",", jumpTable.GetReferrerLabels(packedSwitchOpCode.OpCodeOffset))));
case Instructions.SparseSwitch:
var sparseSwitchOpCode = (SparseSwitchOpCode)opcode;
return(string.Format("{0} {1} - Keys:[{2}] Targets:[{3}]", opcode.Name, GetRegisterName(sparseSwitchOpCode.Destination, method), string.Join(",", sparseSwitchOpCode.Keys), string.Join(",", jumpTable.GetReferrerLabels(sparseSwitchOpCode.OpCodeOffset))));
default:
return(opcode.ToString());
}
}
