MmGetSystemRoutineAddress

The MmGetSystemRoutineAddress routine returns a pointer to a function specified by SystemRoutineName.

NTKERNELAPI 
PVOID 
  MmGetSystemRoutineAddress(
    IN PUNICODE_STRING  SystemRoutineName 
    ); 

Parameters

SystemRoutineName

Specifies name of system routine to resolve.

Return Value

If the function name can be resolved, the routine returns a pointer to the function. Otherwise, the routine returns NULL.

Headers

Declared in wdm.h and ntddk.h.. Include wdm.h and ntddk.h. .

Comments

MmGetSystemRoutineAddress is available on Windows® 2000 and later.

Drivers can use this routine to determine if a routine is available on a specific version of Windows. It can only be used for routines exported by the kernel or HAL, not for any driver-defined routine.

This routine can only be called at IRQL = PASSIVE_LEVEL.

See Also

IoIsWdmVersionAvailable