typedef struct _EXCEPTION_RECORD64
{
     LONG ExceptionCode;
     ULONG ExceptionFlags;
     UINT64 ExceptionRecord;
     UINT64 ExceptionAddress;
     ULONG NumberParameters;
     ULONG __unusedAlignment;
     UINT64 ExceptionInformation[15];
} EXCEPTION_RECORD64, *PEXCEPTION_RECORD64;

Windows Vista Kernel Structures