CONTEXT - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers
// ntddk.h

typedef struct _CONTEXT {
  ULONG              ContextFlags;
  ULONG              Dr0;
  ULONG              Dr1;
  ULONG              Dr2;
  ULONG              Dr3;
  ULONG              Dr6;
  ULONG              Dr7;
  FLOATING_SAVE_AREA FloatSave;
  ULONG              SegGs;
  ULONG              SegFs;
  ULONG              SegEs;
  ULONG              SegDs;
  ULONG              Edi;
  ULONG              Esi;
  ULONG              Ebx;
  ULONG              Edx;
  ULONG              Ecx;
  ULONG              Eax;
  ULONG              Ebp;
  ULONG              Eip;
  ULONG              SegCs;
  ULONG              EFlags;
  ULONG              Esp;
  ULONG              SegSs;
  UCHAR              ExtendedRegisters[MAXIMUM_SUPPORTED_EXTENSION];
} CONTEXT;
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (ns-ntddk-context)

CONTEXT structure

Description

Members

ContextFlags

Dr0

Dr1

Dr2

Dr3

Dr6

Dr7

FloatSave

SegGs

SegFs

SegEs

SegDs

Edi

Esi

Ebx

Edx

Ecx

Eax

Ebp

Eip

SegCs

EFlags

Esp

SegSs

ExtendedRegisters

Remarks

See also