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ns-winnt-wow64_context.md

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UID title description helpviewer_keywords old-location tech.root ms.assetid ms.date ms.keywords req.header req.include-header req.target-type req.target-min-winverclnt req.target-min-winversvr req.kmdf-ver req.umdf-ver req.ddi-compliance req.unicode-ansi req.idl req.max-support req.namespace req.assembly req.type-library req.lib req.dll req.irql targetos req.typenames req.redist ms.custom f1_keywords dev_langs topic_type api_type api_location api_name
NS:winnt._WOW64_CONTEXT
WOW64_CONTEXT (winnt.h)
Represents a context frame on WOW64.
*PWOW64_CONTEXT
PWOW64_CONTEXT
PWOW64_CONTEXT structure pointer
WOW64_CONTEXT
WOW64_CONTEXT structure
_WOW64_CONTEXT
base.wow64_context
winnt/PWOW64_CONTEXT
winnt/WOW64_CONTEXT
base\wow64_context.htm
Debug
b27205a2-2c33-4f45-8948-9919bcd2355a
12/05/2018
*PWOW64_CONTEXT, PWOW64_CONTEXT, PWOW64_CONTEXT structure pointer, WOW64_CONTEXT, WOW64_CONTEXT structure, _WOW64_CONTEXT, base.wow64_context, winnt/PWOW64_CONTEXT, winnt/WOW64_CONTEXT
winnt.h
Windows.h
Windows
Windows Vista [desktop apps only]
Windows Server 2008 [desktop apps only]
Windows
WOW64_CONTEXT
19H1
_WOW64_CONTEXT
winnt/_WOW64_CONTEXT
WOW64_CONTEXT
winnt/WOW64_CONTEXT
c++
APIRef
kbSyntax
HeaderDef
WinNT.h
WOW64_CONTEXT

WOW64_CONTEXT structure

-description

Represents a context frame on WOW64. Refer to the header file WinNT.h for the definition of this structure.

-struct-fields

-remarks

In the following versions of Windows, Slot 1 of Thread Local Storage (TLS) holds a pointer to a structure that contains a WOW64_CONTEXT structure starting at offset 4. This might change in later versions of Windows.

Windows Vista Windows Server 2008
Windows 7 Windows Server 2008 R2
Windows 8 Windows Server 2012
Windows 8.1 Windows Server 2012 R2

-see-also

Thread Environment Block (Debugging Notes)

WOW64_FLOATING_SAVE_AREA

Wow64GetThreadContext

Wow64SetThreadContext