| Min version | 7 | 8 Pre RTM | 8.1 Update 1 |
|---|---|---|---|
| Max version | 7 SP1 | 8 | 10 TH2 |
| x86 offset offset:bitpos | Field Name | ||
| 0x0000 | uint16_t ControlWord | ||
| 0x0002 | uint16_t StatusWord | ||
| 0x0004 | uint8_t TagWord | ||
| 0x0005 | uint8_t Reserved1 | ||
| 0x0006 | uint16_t ErrorOpcode | ||
| 0x0008 | unsigned long ErrorOffset | ||
| 0x000C | uint16_t ErrorSelector | ||
| 0x000E | uint16_t Reserved2 | ||
| 0x0010 | unsigned long DataOffset | ||
| 0x0014 | uint16_t DataSelector | ||
| 0x0016 | uint16_t Reserved3 | ||
| 0x0018 | unsigned long MxCsr | ||
| 0x001C | unsigned long MxCsr_Mask | ||
| 0x0020 | struct _M128A[8] FloatRegisters | ||
| 0x00A0 | struct _M128A[8] XmmRegisters | ||
| 0x0120 | uint8_t[192] Reserved4 | uint8_t[220] Reserved4 | uint8_t[224] Reserved4 |
| 0x01E0 | unsigned long[7] StackControl | ||
| 0x01FC | unsigned long Cr0NpxState | ||