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Writes the specified value to the specified debug register.


void __writedr(unsigned DebugRegister, unsigned DebugValue);  
void __writedr(unsigned DebugRegister, unsigned __int64 DebugValue);  


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

[in] DebugValue
A value to write to the debug register.


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


Intrinsic Architecture
__writedr x86, x64

Header file <intrin.h>

END Microsoft Specific

See Also

Compiler Intrinsics