__readdr

Reads the value of the specified debug register.

Syntax

unsigned         __readdr(unsigned int DebugRegister);
unsigned __int64 __readdr(unsigned int DebugRegister);

Parameters

DebugRegister
[in] A constant from 0 through 7 that identifies the debug register.

Return Value

The value of the specified debug register.

Remarks

These intrinsics are available only in kernel mode, and the routines are available only as intrinsics.

Requirements

Intrinsic Architecture
__readdr x86, x64

Header file <intrin.h>

END Microsoft Specific

See also

Compiler Intrinsics
__readeflags