bool CCallSpecial::isValid(Inst& inst)
{
if (inst.args.size() < argArgOffset)
return false;
for (unsigned i = 0; i < numCalleeArgs; ++i) {
Arg& arg = inst.args[i + calleeArgOffset];
if (!arg.isGP())
return false;
switch (arg.kind()) {
case Arg::Imm:
if (is32Bit())
break;
return false;
case Arg::Imm64:
if (is64Bit())
break;
return false;
case Arg::Tmp:
case Arg::Addr:
case Arg::Stack:
case Arg::CallArg:
break;
default:
return false;
}
}
// Return args need to be exact.
if (inst.args[returnGPArgOffset + 0] != Tmp(GPRInfo::returnValueGPR))
return false;
if (inst.args[returnGPArgOffset + 1] != Tmp(GPRInfo::returnValueGPR2))
return false;
if (inst.args[returnFPArgOffset + 0] != Tmp(FPRInfo::returnValueFPR))
return false;
for (unsigned i = argArgOffset; i < inst.args.size(); ++i) {
if (!inst.args[i].isReg())
return false;
if (inst.args[i] == Tmp(scratchRegister))
return false;
}
return true;
}
bool GCF::Message::encodeVariant(QDataStream& ds, const QVariant& value)
{
QString typeName;
if( value.isValid() )
{
typeName = QString(value.typeName());
if( typeName.isEmpty() )
return false;
}
else
typeName = "Invalid";
if( value.type() >= QVariant::UserType )
return false;
// Prepare the typename in-case of bool, char, int, double
switch(value.type())
{
case QVariant::Int:
typeName = is32Bit() ? "qint32" : "qint64";
break;
case QVariant::Char:
typeName = "quint8";
break;
case QVariant::UInt:
typeName = is32Bit() ? "quint32" : "quint64";
break;
default:
break;
}
// Serialize value on to the byte array
switch( value.type() )
{
case QVariant::Invalid:
ds << typeName;
ds << qint32(0);
break;
case QVariant::Bool:
ds << typeName;
ds << value.toBool();
break;
case QVariant::Char:
ds << typeName;
ds << value.toChar();
break;
case QVariant::Color:
ds << typeName;
ds << value.value<QColor>();
break;
case QVariant::Date:
ds << typeName;
ds << value.toDate();
break;
case QVariant::DateTime:
ds << typeName;
ds << value.toDateTime();
break;
case QVariant::Double:
ds << typeName;
ds << value.toDouble();
break;
case QVariant::Int:
ds << typeName;
if( is32Bit() )
ds << (qint32)value.toInt();
else
ds << (qint64)value.toInt();
break;
case QVariant::Time:
ds << typeName;
ds << value.toTime();
break;
case QVariant::UInt:
ds << typeName;
if( is32Bit() )
ds << (quint32)value.toUInt();
else
ds << (quint64)value.toUInt();
break;
case QVariant::String:
ds << typeName;
ds << value.toString();
break;
case QVariant::Pixmap:
ds << typeName;
ds << value.value<QPixmap>();
break;
case QVariant::ByteArray:
ds << typeName;
ds << value.toByteArray();
break;
case QVariant::BitArray:
ds << typeName;
ds << value.toBitArray();
break;
case QVariant::Image:
ds << typeName;
ds << value.value<QImage>();
break;
case QVariant::Url:
ds << typeName;
ds << value.toUrl();
break;
case QVariant::StringList:
ds << typeName;
ds << value.toStringList();
break;
case QVariant::SizePolicy:
ds << typeName;
ds << value.value<QSizePolicy>();
break;
case QVariant::SizeF:
ds << typeName;
ds << value.toSizeF();
break;
case QVariant::Size:
ds << typeName;
ds << value.toSize();
break;
case QVariant::RegExp:
ds << typeName;
ds << value.toRegExp();
break;
case QVariant::RectF:
ds << typeName;
ds << value.toRectF();
break;
case QVariant::Rect:
ds << typeName;
ds << value.toRect();
break;
case QVariant::Polygon:
ds << typeName;
ds << value.value<QPolygon>();
break;
case QVariant::PointF:
ds << typeName;
ds << value.toPointF();
break;
case QVariant::Point:
ds << typeName;
ds << value.toPoint();
break;
case QVariant::Matrix:
ds << typeName;
ds << value.value<QMatrix>();
break;
case QVariant::LineF:
ds << typeName;
ds << value.toLineF();
break;
case QVariant::Line:
ds << typeName;
ds << value.toLine();
break;
case QVariant::Brush:
ds << typeName;
ds << value.value<QBrush>();
break;
case QVariant::Bitmap:
ds << typeName;
ds << value.value<QBitmap>();
break;
case QVariant::Transform:
ds << typeName;
ds << value.value<QTransform>();
break;
default:
// Other types will be supported shortly.
// TODO: support user defined types.
return false;
}
return true;
}
int Instruction::approximateSize() const
{
const char *format = syntax->encoding;
if(!format)
{
throw INTERNAL_ERROR;
}
int size = 0;
while(*format)
{
switch((format[0] << 8) | format[1])
{
case LOCK_PRE:
case CONST_PRE:
case REPNE_PRE:
case REP_PRE:
size += 1;
break;
case OFF_PRE:
if(!is32Bit())
{
size += 1;
}
break;
case ADDR_PRE:
if(!is32Bit())
{
size += 1;
}
break;
case ADD_REG:
break;
case EFF_ADDR:
case MOD_RM_0:
case MOD_RM_1:
case MOD_RM_2:
case MOD_RM_3:
case MOD_RM_4:
case MOD_RM_5:
case MOD_RM_6:
case MOD_RM_7:
size += 1;
break;
case DWORD_IMM:
case DWORD_REL:
size += 4;
break;
case WORD_IMM:
size += 2;
break;
case BYTE_IMM:
case BYTE_REL:
size += 1;
break;
default:
size += 1;
}
format += 2;
if(*format == ' ')
{
format++;
}
else if(*format == '\0')
{
break;
}
else
{
throw INTERNAL_ERROR;
}
}
return size;
}
