GC_add_roots_inner(DATASTART, (char *)(DATAEND), FALSE);
# if defined(DATASTART2)
GC_add_roots_inner(DATASTART2, (char *)(DATAEND2), FALSE);
GC_add_roots_inner(DATASTART, (char *)(DATAEND), FALSE);
# if defined(DATASTART2)
GC_add_roots_inner(DATASTART2, (char *)(DATAEND2), FALSE);