RtlpBreakWithStatusInstruction is just a label for KD.
On machines that have register calling conventions (basically all except
x86), the `Status` parameter for `DbgBreakPointWithStatus` is stored in
the first argument register.
https://learn.microsoft.com/en-us/windows-hardware/drivers/ddi/wdm/nf-wdm-dbgbreakpointwithstatus
On the x64 platform, `DbgBreakPointWithStatus` only uses the ECX register
and leaves EAX untouched. Verified on Windows.
