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WOW64_FLOATING_SAVE_AREA structure (winnt.h)

  • Article

Represents the 80387 save area on WOW64. Refer to the header file WinNT.h for the definition of this structure.

Syntax

typedef struct _WOW64_FLOATING_SAVE_AREA {
  DWORD ControlWord;
  DWORD StatusWord;
  DWORD TagWord;
  DWORD ErrorOffset;
  DWORD ErrorSelector;
  DWORD DataOffset;
  DWORD DataSelector;
  BYTE  RegisterArea[WOW64_SIZE_OF_80387_REGISTERS];
  DWORD Cr0NpxState;
} WOW64_FLOATING_SAVE_AREA;

Members

ControlWord

StatusWord

TagWord

ErrorOffset

ErrorSelector

DataOffset

DataSelector

RegisterArea[WOW64_SIZE_OF_80387_REGISTERS]

Cr0NpxState

Requirements

Requirement Value
Minimum supported client Windows Vista [desktop apps only]
Minimum supported server Windows Server 2008 [desktop apps only]
Header winnt.h (include Windows.h)

See also

WOW64_CONTEXT

Wow64GetThreadContext

Wow64SetThreadContext