typedef struct _DBGKD_LOAD_SYMBOLS32
{
     ULONG PathNameLength;
     ULONG BaseOfDll;
     ULONG ProcessId;
     ULONG CheckSum;
     ULONG SizeOfImage;
     UCHAR UnloadSymbols;
} DBGKD_LOAD_SYMBOLS32, *PDBGKD_LOAD_SYMBOLS32;

      

Windows Vista Kernel Structures