https://learn.microsoft.com/en-us/windows-hardware/drivers/ddi/dbgeng/nf-dbgeng-idebugregisters2-getvalue
IDebugRegisters2::GetValue (dbgeng.h) - Windows drivers | Microsoft Learn
The GetValue method gets the value of one of the target's registers. This method belongs to the IDebugRegisters2 interface.
windows driversgetvaluehmicrosoftlearn