//0x1e0 bytes (sizeof)
struct _FXSAVE_FORMAT
{
USHORT ControlWord; //0x0
USHORT StatusWord; //0x2
USHORT TagWord; //0x4
USHORT ErrorOpcode; //0x6
ULONG ErrorOffset; //0x8
ULONG ErrorSelector; //0xc
ULONG DataOffset; //0x10
ULONG DataSelector; //0x14
ULONG MXCsr; //0x18
ULONG MXCsrMask; //0x1c
UCHAR RegisterArea[128]; //0x20
UCHAR Reserved3[128]; //0xa0
UCHAR Reserved4[192]; //0x120
};