(** Next-block properties *)

Remark store_zeros_nextblock:
  forall m b p n m', store_zeros m b p n = Some m' -> Mem.nextblock m' = Mem.nextblock m.Remark store_init_data_list_nextblock:
  forall idl b m p m',
  store_init_data_list m b p idl = Some m' ->
  Mem.nextblock m' = Mem.nextblock m.Remark alloc_global_nextblock:
  forall g m m',
  alloc_global m g = Some m' ->
  Mem.nextblock m' = Pos.succ(Mem.nextblock m).Remark alloc_globals_nextblock:
  forall gl m m',
  alloc_globals m gl = Some m' ->
  Mem.nextblock m' = advance_next gl (Mem.nextblock m).(** Permissions *)

Remark store_zeros_perm:
  forall k prm b' q m b p n m',
  store_zeros m b p n = Some m' ->
  (Mem.perm m b' q k prm <-> Mem.perm m' b' q k prm).Remark store_init_data_perm:
  forall k prm b' q i b m p m',
  store_init_data m b p i = Some m' ->
  (Mem.perm m b' q k prm <-> Mem.perm m' b' q k prm).Remark store_init_data_list_perm:
  forall k prm b' q idl b m p m',
  store_init_data_list m b p idl = Some m' ->
  (Mem.perm m b' q k prm <-> Mem.perm m' b' q k prm).Remark alloc_global_perm:
  forall k prm b' q idg m m',
  alloc_global m idg = Some m' ->
  Mem.valid_block m b' ->
  (Mem.perm m b' q k prm <-> Mem.perm m' b' q k prm).Remark alloc_globals_perm:
  forall k prm b' q gl m m',
  alloc_globals m gl = Some m' ->
  Mem.valid_block m b' ->
  (Mem.perm m b' q k prm <-> Mem.perm m' b' q k prm).(** Data preservation properties *)

Remark store_zeros_unchanged:
  forall (P: block -> Z -> Prop) m b p n m',
  store_zeros m b p n = Some m' ->
  (forall i, p <= i < p + n -> ~ P b i) ->
  Mem.unchanged_on P m m'.Remark store_init_data_unchanged:
  forall (P: block -> Z -> Prop) b i m p m',
  store_init_data m b p i = Some m' ->
  (forall ofs, p <= ofs < p + init_data_size i -> ~ P b ofs) ->
  Mem.unchanged_on P m m'.Remark store_init_data_list_unchanged:
  forall (P: block -> Z -> Prop) b il m p m',
  store_init_data_list m b p il = Some m' ->
  (forall ofs, p <= ofs -> ~ P b ofs) ->
  Mem.unchanged_on P m m'.(** Properties related to [loadbytes] *)

Definition readbytes_as_zero (m: mem) (b: block) (ofs len: Z) : Prop :=
  forall p n,
  ofs <= p -> p + Z.of_nat n <= ofs + len ->
  Mem.loadbytes m b p (Z.of_nat n) = Some (list_repeat n (Byte Byte.zero)).

Lemma store_zeros_loadbytes: forall m b p n m', store_zeros m b p n = Some m' -> readbytes_as_zero m' b p n.