From 06e0dd40d6955bcc06c2cbdfee3d0b161527ac16 Mon Sep 17 00:00:00 2001
From: Valery Antopol <valery.antopol@gmail.com>
Date: Tue, 14 Feb 2023 17:48:09 +0300
Subject: [PATCH] feat!: pass a context object through the API to the wasm
 engine functions (#34)

---
 crates/it-lilo/src/lifter/lift_array.rs       | 97 +++++++++++--------
 crates/it-lilo/src/lifter/lift_record.rs      | 95 ++++++++++--------
 crates/it-lilo/src/lifter/macros.rs           | 94 ++++++++++++------
 crates/it-lilo/src/lifter/memory_reader.rs    | 57 +++++++----
 crates/it-lilo/src/lifter/mod.rs              | 13 ++-
 crates/it-lilo/src/lowerer/lower_array.rs     | 63 ++++++------
 crates/it-lilo/src/lowerer/lower_record.rs    | 20 ++--
 crates/it-lilo/src/lowerer/memory_writer.rs   | 82 ++++++++++++----
 crates/it-lilo/src/lowerer/mod.rs             | 15 ++-
 crates/it-lilo/src/traits/allocatable.rs      |  9 +-
 crates/it-memory-traits/src/lib.rs            | 50 +++++++---
 wasmer-it/src/ast.rs                          |  8 +-
 wasmer-it/src/decoders/binary.rs              |  9 +-
 wasmer-it/src/decoders/wat.rs                 | 10 +-
 .../src/interpreter/instructions/arrays.rs    | 71 +++++++++-----
 .../interpreter/instructions/byte_arrays.rs   |  8 +-
 .../src/interpreter/instructions/call_core.rs |  2 +-
 .../instructions/lilo/li_helper.rs            | 39 ++++----
 .../instructions/lilo/lo_helper.rs            | 48 +++++----
 wasmer-it/src/interpreter/instructions/mod.rs | 32 +++---
 .../src/interpreter/instructions/records.rs   | 69 +++++++++----
 .../src/interpreter/instructions/strings.rs   |  8 +-
 wasmer-it/src/interpreter/mod.rs              | 80 +++++++++------
 wasmer-it/src/interpreter/wasm/structures.rs  | 77 ++++++++++-----
 wasmer-it/src/macros.rs                       | 13 +--
 25 files changed, 687 insertions(+), 382 deletions(-)

diff --git a/crates/it-lilo/src/lifter/lift_array.rs b/crates/it-lilo/src/lifter/lift_array.rs
index ae8d381..2759ddd 100644
--- a/crates/it-lilo/src/lifter/lift_array.rs
+++ b/crates/it-lilo/src/lifter/lift_array.rs
@@ -24,8 +24,13 @@ use crate::IValue;
 
 use it_memory_traits::MemoryView;
 
-pub fn array_lift_memory<R: RecordResolvable, MV: MemoryView>(
-    lifter: &ILifter<'_, R, MV>,
+pub fn array_lift_memory<
+    R: RecordResolvable,
+    MV: MemoryView<Store>,
+    Store: it_memory_traits::Store,
+>(
+    store: &mut <Store as it_memory_traits::Store>::ActualStore<'_>,
+    lifter: &ILifter<'_, R, MV, Store>,
     value_type: &IType,
     offset: u32,
     elements_count: u32,
@@ -37,45 +42,48 @@ pub fn array_lift_memory<R: RecordResolvable, MV: MemoryView>(
     let reader = &lifter.reader;
 
     let ivalues = match value_type {
-        IType::Boolean => reader.read_bool_array(offset, elements_count)?,
-        IType::S8 => reader.read_s8_array(offset, elements_count)?,
-        IType::S16 => reader.read_s16_array(offset, elements_count)?,
-        IType::S32 => reader.read_s32_array(offset, elements_count)?,
-        IType::S64 => reader.read_s64_array(offset, elements_count)?,
-        IType::I32 => reader.read_i32_array(offset, elements_count)?,
-        IType::I64 => reader.read_i64_array(offset, elements_count)?,
-        IType::U8 => reader.read_u8_array(offset, elements_count)?,
-        IType::U16 => reader.read_u16_array(offset, elements_count)?,
-        IType::U32 => reader.read_u32_array(offset, elements_count)?,
-        IType::U64 => reader.read_u64_array(offset, elements_count)?,
-        IType::F32 => reader.read_f32_array(offset, elements_count)?,
-        IType::F64 => reader.read_f64_array(offset, elements_count)?,
-        IType::String => read_string_array(lifter, offset, elements_count)?,
-        IType::ByteArray => read_array_array(lifter, &IType::U8, offset, elements_count)?,
-        IType::Array(ty) => read_array_array(lifter, &ty, offset, elements_count)?,
+        IType::Boolean => reader.read_bool_array(store, offset, elements_count)?,
+        IType::S8 => reader.read_s8_array(store, offset, elements_count)?,
+        IType::S16 => reader.read_s16_array(store, offset, elements_count)?,
+        IType::S32 => reader.read_s32_array(store, offset, elements_count)?,
+        IType::S64 => reader.read_s64_array(store, offset, elements_count)?,
+        IType::I32 => reader.read_i32_array(store, offset, elements_count)?,
+        IType::I64 => reader.read_i64_array(store, offset, elements_count)?,
+        IType::U8 => reader.read_u8_array(store, offset, elements_count)?,
+        IType::U16 => reader.read_u16_array(store, offset, elements_count)?,
+        IType::U32 => reader.read_u32_array(store, offset, elements_count)?,
+        IType::U64 => reader.read_u64_array(store, offset, elements_count)?,
+        IType::F32 => reader.read_f32_array(store, offset, elements_count)?,
+        IType::F64 => reader.read_f64_array(store, offset, elements_count)?,
+        IType::String => read_string_array(store, lifter, offset, elements_count)?,
+        IType::ByteArray => read_array_array(store, lifter, &IType::U8, offset, elements_count)?,
+        IType::Array(ty) => read_array_array(store, lifter, &ty, offset, elements_count)?,
         IType::Record(record_type_id) => {
-            read_record_array(lifter, *record_type_id, offset, elements_count)?
+            read_record_array(store, lifter, *record_type_id, offset, elements_count)?
         }
     };
 
     Ok(IValue::Array(ivalues))
 }
 
-fn read_string_array<R: RecordResolvable, MV: MemoryView>(
-    lifter: &ILifter<'_, R, MV>,
+fn read_string_array<R: RecordResolvable, MV: MemoryView<Store>, Store: it_memory_traits::Store>(
+    store: &mut <Store as it_memory_traits::Store>::ActualStore<'_>,
+    lifter: &ILifter<'_, R, MV, Store>,
     offset: u32,
     elements_count: u32,
 ) -> LiResult<Vec<IValue>> {
     let mut result = Vec::with_capacity(elements_count as usize);
-    let seq_reader = lifter
-        .reader
-        .sequential_reader(offset, ser_type_size(&IType::String) * elements_count)?;
+    let seq_reader = lifter.reader.sequential_reader(
+        store,
+        offset,
+        ser_type_size(&IType::String) * elements_count,
+    )?;
 
     for _ in 0..elements_count {
-        let offset = seq_reader.read_u32();
-        let size = seq_reader.read_u32();
+        let offset = seq_reader.read_u32(store);
+        let size = seq_reader.read_u32(store);
 
-        let raw_str = lifter.reader.read_raw_u8_array(offset, size)?;
+        let raw_str = lifter.reader.read_raw_u8_array(store, offset, size)?;
         let str = String::from_utf8(raw_str)?;
         result.push(IValue::String(str));
     }
@@ -83,44 +91,49 @@ fn read_string_array<R: RecordResolvable, MV: MemoryView>(
     Ok(result)
 }
 
-fn read_array_array<R: RecordResolvable, MV: MemoryView>(
-    lifter: &ILifter<'_, R, MV>,
+fn read_array_array<R: RecordResolvable, MV: MemoryView<Store>, Store: it_memory_traits::Store>(
+    store: &mut <Store as it_memory_traits::Store>::ActualStore<'_>,
+    lifter: &ILifter<'_, R, MV, Store>,
     ty: &IType,
     offset: u32,
     elements_count: u32,
 ) -> LiResult<Vec<IValue>> {
     let mut result = Vec::with_capacity(elements_count as usize);
-    let seq_reader = lifter
-        .reader
-        .sequential_reader(offset, ser_type_size(ty) * elements_count)?;
+    let seq_reader =
+        lifter
+            .reader
+            .sequential_reader(store, offset, ser_type_size(ty) * elements_count)?;
 
     for _ in 0..elements_count {
-        let offset = seq_reader.read_u32();
-        let size = seq_reader.read_u32();
+        let offset = seq_reader.read_u32(store);
+        let size = seq_reader.read_u32(store);
 
-        let array = array_lift_memory(lifter, ty, offset, size)?;
+        let array = array_lift_memory(store, lifter, ty, offset, size)?;
         result.push(array);
     }
 
     Ok(result)
 }
 
-fn read_record_array<R: RecordResolvable, MV: MemoryView>(
-    lifter: &ILifter<'_, R, MV>,
+fn read_record_array<R: RecordResolvable, MV: MemoryView<Store>, Store: it_memory_traits::Store>(
+    store: &mut <Store as it_memory_traits::Store>::ActualStore<'_>,
+    lifter: &ILifter<'_, R, MV, Store>,
     record_type_id: u64,
     offset: u32,
     elements_count: u32,
 ) -> LiResult<Vec<IValue>> {
     let mut result = Vec::with_capacity(elements_count as usize);
-    let seq_reader = lifter
-        .reader
-        .sequential_reader(offset, ser_type_size(&IType::Record(0)) * elements_count)?;
+    let seq_reader = lifter.reader.sequential_reader(
+        store,
+        offset,
+        ser_type_size(&IType::Record(0)) * elements_count,
+    )?;
 
     for _ in 0..elements_count {
-        let offset = seq_reader.read_u32();
+        let offset = seq_reader.read_u32(store);
         let record_ty = lifter.resolver.resolve_record(record_type_id)?;
 
-        let record = record_lift_memory(lifter, &record_ty, offset)?;
+        let record = record_lift_memory(store, lifter, &record_ty, offset)?;
         result.push(record);
     }
 
diff --git a/crates/it-lilo/src/lifter/lift_record.rs b/crates/it-lilo/src/lifter/lift_record.rs
index 396077a..3d3eb6c 100644
--- a/crates/it-lilo/src/lifter/lift_record.rs
+++ b/crates/it-lilo/src/lifter/lift_record.rs
@@ -28,8 +28,13 @@ use crate::NEVec;
 
 use it_memory_traits::MemoryView;
 
-pub fn record_lift_memory<R: RecordResolvable, MV: MemoryView>(
-    lifter: &ILifter<'_, R, MV>,
+pub fn record_lift_memory<
+    R: RecordResolvable,
+    MV: MemoryView<Store>,
+    Store: it_memory_traits::Store,
+>(
+    store: &mut <Store as it_memory_traits::Store>::ActualStore<'_>,
+    lifter: &ILifter<'_, R, MV, Store>,
     record_type: &IRecordType,
     offset: u32,
 ) -> LiResult<IValue> {
@@ -37,28 +42,28 @@ pub fn record_lift_memory<R: RecordResolvable, MV: MemoryView>(
 
     let size = record_size(record_type);
     let reader = &lifter.reader;
-    let seq_reader = reader.sequential_reader(offset, size)?;
+    let seq_reader = reader.sequential_reader(store, offset, size)?;
 
     for field in (*record_type.fields).iter() {
         match &field.ty {
-            IType::Boolean => values.push(IValue::Boolean(seq_reader.read_u8() != 0)),
-            IType::S8 => values.push(IValue::S8(seq_reader.read_i8())),
-            IType::S16 => values.push(IValue::S16(seq_reader.read_i16())),
-            IType::S32 => values.push(IValue::S32(seq_reader.read_i32())),
-            IType::S64 => values.push(IValue::S64(seq_reader.read_i64())),
-            IType::I32 => values.push(IValue::I32(seq_reader.read_i32())),
-            IType::I64 => values.push(IValue::I64(seq_reader.read_i64())),
-            IType::U8 => values.push(IValue::U8(seq_reader.read_u8())),
-            IType::U16 => values.push(IValue::U16(seq_reader.read_u16())),
-            IType::U32 => values.push(IValue::U32(seq_reader.read_u32())),
-            IType::U64 => values.push(IValue::U64(seq_reader.read_u64())),
-            IType::F32 => values.push(IValue::F32(seq_reader.read_f32())),
-            IType::F64 => values.push(IValue::F64(seq_reader.read_f64())),
-            IType::String => values.push(IValue::String(read_string(reader, &seq_reader)?)),
-            IType::ByteArray => values.push(read_byte_array(reader, &seq_reader)?),
-            IType::Array(ty) => values.push(read_array(&lifter, &seq_reader, &**ty)?),
+            IType::Boolean => values.push(IValue::Boolean(seq_reader.read_u8(store) != 0)),
+            IType::S8 => values.push(IValue::S8(seq_reader.read_i8(store))),
+            IType::S16 => values.push(IValue::S16(seq_reader.read_i16(store))),
+            IType::S32 => values.push(IValue::S32(seq_reader.read_i32(store))),
+            IType::S64 => values.push(IValue::S64(seq_reader.read_i64(store))),
+            IType::I32 => values.push(IValue::I32(seq_reader.read_i32(store))),
+            IType::I64 => values.push(IValue::I64(seq_reader.read_i64(store))),
+            IType::U8 => values.push(IValue::U8(seq_reader.read_u8(store))),
+            IType::U16 => values.push(IValue::U16(seq_reader.read_u16(store))),
+            IType::U32 => values.push(IValue::U32(seq_reader.read_u32(store))),
+            IType::U64 => values.push(IValue::U64(seq_reader.read_u64(store))),
+            IType::F32 => values.push(IValue::F32(seq_reader.read_f32(store))),
+            IType::F64 => values.push(IValue::F64(seq_reader.read_f64(store))),
+            IType::String => values.push(IValue::String(read_string(store, reader, &seq_reader)?)),
+            IType::ByteArray => values.push(read_byte_array(store, reader, &seq_reader)?),
+            IType::Array(ty) => values.push(read_array(store, &lifter, &seq_reader, &**ty)?),
             IType::Record(record_type_id) => {
-                values.push(read_record(lifter, &seq_reader, *record_type_id)?)
+                values.push(read_record(store, lifter, &seq_reader, *record_type_id)?)
             }
         }
     }
@@ -69,50 +74,54 @@ pub fn record_lift_memory<R: RecordResolvable, MV: MemoryView>(
     Ok(IValue::Record(record))
 }
 
-fn read_string<MV: MemoryView>(
-    reader: &MemoryReader<MV>,
-    seq_reader: &SequentialReader<'_, MV>,
+fn read_string<MV: MemoryView<Store>, Store: it_memory_traits::Store>(
+    store: &mut <Store as it_memory_traits::Store>::ActualStore<'_>,
+    reader: &MemoryReader<MV, Store>,
+    seq_reader: &SequentialReader<'_, MV, Store>,
 ) -> LiResult<String> {
-    let offset = seq_reader.read_u32();
-    let size = seq_reader.read_u32();
+    let offset = seq_reader.read_u32(store);
+    let size = seq_reader.read_u32(store);
 
-    let string_mem = reader.read_raw_u8_array(offset, size)?;
+    let string_mem = reader.read_raw_u8_array(store, offset, size)?;
 
     let string = String::from_utf8(string_mem)?;
     Ok(string)
 }
 
-fn read_byte_array<MV: MemoryView>(
-    reader: &MemoryReader<MV>,
-    seq_reader: &SequentialReader<'_, MV>,
+fn read_byte_array<MV: MemoryView<Store>, Store: it_memory_traits::Store>(
+    store: &mut <Store as it_memory_traits::Store>::ActualStore<'_>,
+    reader: &MemoryReader<MV, Store>,
+    seq_reader: &SequentialReader<'_, MV, Store>,
 ) -> LiResult<IValue> {
-    let offset = seq_reader.read_u32();
-    let size = seq_reader.read_u32();
+    let offset = seq_reader.read_u32(store);
+    let size = seq_reader.read_u32(store);
 
-    let array = reader.read_raw_u8_array(offset, size)?;
+    let array = reader.read_raw_u8_array(store, offset, size)?;
 
     Ok(IValue::ByteArray(array))
 }
 
-fn read_array<R: RecordResolvable, MV: MemoryView>(
-    lifter: &ILifter<'_, R, MV>,
-    seq_reader: &SequentialReader<'_, MV>,
+fn read_array<R: RecordResolvable, MV: MemoryView<Store>, Store: it_memory_traits::Store>(
+    store: &mut <Store as it_memory_traits::Store>::ActualStore<'_>,
+    lifter: &ILifter<'_, R, MV, Store>,
+    seq_reader: &SequentialReader<'_, MV, Store>,
     value_type: &IType,
 ) -> LiResult<IValue> {
-    let offset = seq_reader.read_u32();
-    let size = seq_reader.read_u32();
+    let offset = seq_reader.read_u32(store);
+    let size = seq_reader.read_u32(store);
 
-    super::array_lift_memory(lifter, value_type, offset, size)
+    super::array_lift_memory(store, lifter, value_type, offset, size)
 }
 
-fn read_record<R: RecordResolvable, MV: MemoryView>(
-    lifter: &ILifter<'_, R, MV>,
-    seq_reader: &SequentialReader<'_, MV>,
+fn read_record<R: RecordResolvable, MV: MemoryView<Store>, Store: it_memory_traits::Store>(
+    store: &mut <Store as it_memory_traits::Store>::ActualStore<'_>,
+    lifter: &ILifter<'_, R, MV, Store>,
+    seq_reader: &SequentialReader<'_, MV, Store>,
     record_type_id: u64,
 ) -> LiResult<IValue> {
-    let offset = seq_reader.read_u32();
+    let offset = seq_reader.read_u32(store);
 
     let record_type = lifter.resolver.resolve_record(record_type_id)?;
 
-    record_lift_memory(lifter, &record_type, offset)
+    record_lift_memory(store, lifter, &record_type, offset)
 }
diff --git a/crates/it-lilo/src/lifter/macros.rs b/crates/it-lilo/src/lifter/macros.rs
index d78a293..3eacf85 100644
--- a/crates/it-lilo/src/lifter/macros.rs
+++ b/crates/it-lilo/src/lifter/macros.rs
@@ -16,37 +16,40 @@
 
 #[macro_export]
 macro_rules! value_der {
-    ($self:expr, $offset:expr, @seq_start $($ids:tt),* @seq_end) => {
-        [$($self.reader.view.read_byte($offset + $ids)),+]
+    ($self:expr, $store:expr, $offset:expr, @seq_start $($ids:tt),* @seq_end) => {
+        [$($self.reader.view.read_byte($store, $offset + $ids)),+]
     };
 
-    ($self:expr, $offset:expr, 1) => {
-        crate::value_der!($self, $offset, @seq_start 0 @seq_end)
+    ($self:expr, $store:expr, $offset:expr, 1) => {
+        crate::value_der!($self, $store, $offset, @seq_start 0 @seq_end)
     };
 
-    ($self:expr, $offset:expr, 2) => {
-        crate::value_der!($self, $offset, @seq_start 0, 1 @seq_end)
+    ($self:expr, $store:expr, $offset:expr, 2) => {
+        crate::value_der!($self, $store, $offset, @seq_start 0, 1 @seq_end)
     };
 
-    ($self:expr, $offset:expr, 4) => {
-        crate::value_der!($self, $offset, @seq_start 0, 1, 2, 3 @seq_end)
+    ($self:expr, $store:expr, $offset:expr, 4) => {
+        crate::value_der!($self, $store, $offset, @seq_start 0, 1, 2, 3 @seq_end)
     };
 
-    ($self:expr, $offset:expr, 8) => {
-        crate::value_der!($self, $offset, @seq_start 0, 1, 2, 3, 4, 5, 6, 7 @seq_end)
+    ($self:expr, $store:expr, $offset:expr, 8) => {
+        crate::value_der!($self, $store, $offset, @seq_start 0, 1, 2, 3, 4, 5, 6, 7 @seq_end)
     };
 
-    ($self:expr, $offset:expr, 16) => {
-        crate::value_der!($self, $offset, @seq_start 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 @seq_end)
+    ($self:expr, $store:expr, $offset:expr, 16) => {
+        crate::value_der!($self, $store, $offset, @seq_start 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 @seq_end)
     };
 }
 
 #[macro_export]
 macro_rules! read_ty {
     ($func_name:ident, $ty:ty, 1) => {
-        pub fn $func_name(&self) -> $ty {
+        pub fn $func_name(
+            &self,
+            store: &mut <Store as it_memory_traits::Store>::ActualStore<'_>,
+        ) -> $ty {
             let offset = self.offset.get();
-            let result = <$ty>::from_le_bytes(crate::value_der!(self, offset, 1));
+            let result = <$ty>::from_le_bytes(crate::value_der!(self, store, offset, 1));
 
             self.offset.set(offset + 1);
             result
@@ -54,9 +57,12 @@ macro_rules! read_ty {
     };
 
     ($func_name:ident, $ty:ty, 2) => {
-        pub fn $func_name(&self) -> $ty {
+        pub fn $func_name(
+            &self,
+            store: &mut <Store as it_memory_traits::Store>::ActualStore<'_>,
+        ) -> $ty {
             let offset = self.offset.get();
-            let result = <$ty>::from_le_bytes(crate::value_der!(self, offset, 2));
+            let result = <$ty>::from_le_bytes(crate::value_der!(self, store, offset, 2));
 
             self.offset.set(offset + 2);
             result
@@ -64,9 +70,12 @@ macro_rules! read_ty {
     };
 
     ($func_name:ident, $ty:ty, 4) => {
-        pub fn $func_name(&self) -> $ty {
+        pub fn $func_name(
+            &self,
+            store: &mut <Store as it_memory_traits::Store>::ActualStore<'_>,
+        ) -> $ty {
             let offset = self.offset.get();
-            let result = <$ty>::from_le_bytes(crate::value_der!(self, offset, 4));
+            let result = <$ty>::from_le_bytes(crate::value_der!(self, store, offset, 4));
 
             self.offset.set(offset + 4);
             result
@@ -74,9 +83,12 @@ macro_rules! read_ty {
     };
 
     ($func_name:ident, $ty:ty, 8) => {
-        pub fn $func_name(&self) -> $ty {
+        pub fn $func_name(
+            &self,
+            store: &mut <Store as it_memory_traits::Store>::ActualStore<'_>,
+        ) -> $ty {
             let offset = self.offset.get();
-            let result = <$ty>::from_le_bytes(crate::value_der!(self, offset, 8));
+            let result = <$ty>::from_le_bytes(crate::value_der!(self, store, offset, 8));
 
             self.offset.set(offset + 8);
             result
@@ -84,9 +96,12 @@ macro_rules! read_ty {
     };
 
     ($func_name:ident, $ty:ty, 16) => {
-        pub fn $func_name(&self) -> $ty {
+        pub fn $func_name(
+            &self,
+            store: &mut <Store as it_memory_traits::Store>::ActualStore<'_>,
+        ) -> $ty {
             let offset = self.offset.get();
-            let result = <$ty>::from_le_bytes(crate::value_der!(self, offset, 16));
+            let result = <$ty>::from_le_bytes(crate::value_der!(self, store, offset, 16));
 
             self.offset.set(offset + 16);
             result
@@ -97,23 +112,38 @@ macro_rules! read_ty {
 #[macro_export]
 macro_rules! read_ty_decl {
     ($func_name:ident, $ty:ty, 1) => {
-        fn $func_name(&self) -> $ty;
+        fn $func_name(
+            &self,
+            store: &mut <Store as it_memory_traits::Store>::ActualStore<'_>,
+        ) -> $ty;
     };
 
     ($func_name:ident, $ty:ty, 2) => {
-        fn $func_name(&self) -> $ty;
+        fn $func_name(
+            &self,
+            store: &mut <Store as it_memory_traits::Store>::ActualStore<'_>,
+        ) -> $ty;
     };
 
     ($func_name:ident, $ty:ty, 4) => {
-        fn $func_name(&self) -> $ty;
+        fn $func_name(
+            &self,
+            store: &mut <Store as it_memory_traits::Store>::ActualStore<'_>,
+        ) -> $ty;
     };
 
     ($func_name:ident, $ty:ty, 8) => {
-        fn $func_name(&self) -> $ty;
+        fn $func_name(
+            &self,
+            store: &mut <Store as it_memory_traits::Store>::ActualStore<'_>,
+        ) -> $ty;
     };
 
     ($func_name:ident, $ty:ty, 16) => {
-        fn $func_name(&self) -> $ty;
+        fn $func_name(
+            &self,
+            store: &mut <Store as it_memory_traits::Store>::ActualStore<'_>,
+        ) -> $ty;
     };
 }
 
@@ -122,15 +152,19 @@ macro_rules! read_array_ty {
     ($func_name:ident, $ty:ident, $ity:ident) => {
         pub fn $func_name(
             &self,
+            store: &mut <Store as it_memory_traits::Store>::ActualStore<'_>,
             offset: u32,
             elements_count: u32,
         ) -> super::LiResult<Vec<crate::IValue>> {
-            let reader = self
-                .sequential_reader(offset, (std::mem::size_of::<$ty>() as u32) * elements_count)?;
+            let reader = self.sequential_reader(
+                store,
+                offset,
+                (std::mem::size_of::<$ty>() as u32) * elements_count,
+            )?;
             let mut result = Vec::with_capacity(elements_count as usize);
 
             for _ in 0..elements_count {
-                let value = paste::paste! { reader.[<read_ $ty>]()};
+                let value = paste::paste! { reader.[<read_ $ty>](store)};
                 result.push(IValue::$ity(value));
             }
 
diff --git a/crates/it-lilo/src/lifter/memory_reader.rs b/crates/it-lilo/src/lifter/memory_reader.rs
index a616adf..d745f2a 100644
--- a/crates/it-lilo/src/lifter/memory_reader.rs
+++ b/crates/it-lilo/src/lifter/memory_reader.rs
@@ -22,43 +22,63 @@ use crate::IValue;
 use it_memory_traits::MemoryView;
 
 use std::cell::Cell;
+use std::marker::PhantomData;
 
-pub struct MemoryReader<MV> {
+pub struct MemoryReader<MV: MemoryView<Store>, Store: it_memory_traits::Store> {
     pub(self) view: MV,
+    _phantom: PhantomData<Store>,
 }
 
-impl<MV: MemoryView> MemoryReader<MV> {
+impl<MV: MemoryView<Store>, Store: it_memory_traits::Store> MemoryReader<MV, Store> {
     pub fn new(view: MV) -> Self {
-        Self { view }
+        Self {
+            view,
+            _phantom: PhantomData,
+        }
     }
 
     /// Returns reader that allows read sequentially. It's important that memory limit is checked
     /// only inside this function. All others functions of the returned reader don't have any
     /// checks assuming that reader is well-formed.
-    pub fn sequential_reader(&self, offset: u32, size: u32) -> LiResult<SequentialReader<'_, MV>> {
-        self.view.check_bounds(offset, size)?;
+    pub fn sequential_reader(
+        &self,
+        store: &mut <Store as it_memory_traits::Store>::ActualStore<'_>,
+        offset: u32,
+        size: u32,
+    ) -> LiResult<SequentialReader<'_, MV, Store>> {
+        self.view.check_bounds(store, offset, size)?;
         let seq_reader = SequentialReader::new(&self, offset);
         Ok(seq_reader)
     }
 
-    pub fn read_raw_u8_array(&self, offset: u32, elements_count: u32) -> LiResult<Vec<u8>> {
-        let reader = self.sequential_reader(offset, elements_count)?;
+    pub fn read_raw_u8_array(
+        &self,
+        store: &mut <Store as it_memory_traits::Store>::ActualStore<'_>,
+        offset: u32,
+        elements_count: u32,
+    ) -> LiResult<Vec<u8>> {
+        let reader = self.sequential_reader(store, offset, elements_count)?;
         let mut result = Vec::with_capacity(elements_count as usize);
 
         for _ in 0..elements_count {
-            let value = reader.read_u8();
+            let value = reader.read_u8(store);
             result.push(value);
         }
 
         Ok(result)
     }
 
-    pub fn read_bool_array(&self, offset: u32, elements_count: u32) -> LiResult<Vec<IValue>> {
-        let reader = self.sequential_reader(offset, elements_count)?;
+    pub fn read_bool_array(
+        &self,
+        store: &mut <Store as it_memory_traits::Store>::ActualStore<'_>,
+        offset: u32,
+        elements_count: u32,
+    ) -> LiResult<Vec<IValue>> {
+        let reader = self.sequential_reader(store, offset, elements_count)?;
         let mut result = Vec::with_capacity(elements_count as usize);
 
         for _ in 0..elements_count {
-            let value = reader.read_u8();
+            let value = reader.read_u8(store);
             result.push(IValue::Boolean(value != 0));
         }
 
@@ -79,21 +99,24 @@ impl<MV: MemoryView> MemoryReader<MV> {
     read_array_ty!(read_f64_array, f64, F64);
 }
 
-pub struct SequentialReader<'r, MV: MemoryView> {
-    reader: &'r MemoryReader<MV>,
+pub struct SequentialReader<'r, MV: MemoryView<Store>, Store: it_memory_traits::Store> {
+    reader: &'r MemoryReader<MV, Store>,
     offset: Cell<u32>,
 }
 
-impl<'r, MV: MemoryView> SequentialReader<'r, MV> {
-    fn new(reader: &'r MemoryReader<MV>, offset: u32) -> Self {
+impl<'r, MV: MemoryView<Store>, Store: it_memory_traits::Store> SequentialReader<'r, MV, Store> {
+    fn new(reader: &'r MemoryReader<MV, Store>, offset: u32) -> Self {
         Self {
             reader,
             offset: Cell::new(offset),
         }
     }
 
-    pub fn read_bool(&self) -> bool {
-        self.read_u8() != 0
+    pub fn read_bool(
+        &self,
+        store: &mut <Store as it_memory_traits::Store>::ActualStore<'_>,
+    ) -> bool {
+        self.read_u8(store) != 0
     }
 
     read_ty!(read_u8, u8, 1);
diff --git a/crates/it-lilo/src/lifter/mod.rs b/crates/it-lilo/src/lifter/mod.rs
index 83c822e..d48d261 100644
--- a/crates/it-lilo/src/lifter/mod.rs
+++ b/crates/it-lilo/src/lifter/mod.rs
@@ -31,14 +31,19 @@ pub use it_memory_traits::MemoryView;
 
 pub type LiResult<T> = std::result::Result<T, error::LiError>;
 
-pub struct ILifter<'r, R: RecordResolvable, MV> {
-    pub reader: MemoryReader<MV>,
+pub struct ILifter<'r, R: RecordResolvable, MV: MemoryView<Store>, Store: it_memory_traits::Store> {
+    pub reader: MemoryReader<MV, Store>,
     pub resolver: &'r R,
 }
 
-impl<'r, R: RecordResolvable, MV: MemoryView> ILifter<'r, R, MV> {
+impl<'r, R: RecordResolvable, MV: MemoryView<Store>, Store: it_memory_traits::Store>
+    ILifter<'r, R, MV, Store>
+{
     pub fn new(view: MV, resolver: &'r R) -> Self {
         let reader = MemoryReader::new(view);
-        Self { reader, resolver }
+        Self {
+            reader,
+            resolver,
+        }
     }
 }
diff --git a/crates/it-lilo/src/lowerer/lower_array.rs b/crates/it-lilo/src/lowerer/lower_array.rs
index 3563e82..e75db1a 100644
--- a/crates/it-lilo/src/lowerer/lower_array.rs
+++ b/crates/it-lilo/src/lowerer/lower_array.rs
@@ -38,8 +38,13 @@ impl LoweredArray {
     }
 }
 
-pub fn array_lower_memory<A: Allocatable<MV>, MV: MemoryView>(
-    lowerer: &ILowerer<'_, A, MV>,
+pub fn array_lower_memory<
+    A: Allocatable<MV, Store>,
+    MV: MemoryView<Store>,
+    Store: it_memory_traits::Store,
+>(
+    store: &mut <Store as it_memory_traits::Store>::ActualStore<'_>,
+    lowerer: &mut ILowerer<'_, A, MV, Store>,
     array_values: Vec<IValue>,
 ) -> LoResult<LoweredArray> {
     if array_values.is_empty() {
@@ -49,45 +54,49 @@ pub fn array_lower_memory<A: Allocatable<MV>, MV: MemoryView>(
     let elements_count = array_values.len() as u32;
     let size = ser_value_size(&array_values[0]) * elements_count;
     let type_tag = type_tag_form_ivalue(&array_values[0]);
-    let seq_writer = lowerer.writer.sequential_writer(size, type_tag)?;
+    let seq_writer = lowerer.writer.sequential_writer(store, size, type_tag)?;
 
     // here it's known that all interface values have the same type
     for value in array_values {
         match value {
-            IValue::Boolean(value) => seq_writer.write_u8(&lowerer.writer, value as _),
-            IValue::S8(value) => seq_writer.write_u8(&lowerer.writer, value as _),
-            IValue::S16(value) => seq_writer.write_bytes(&lowerer.writer, &value.to_le_bytes()),
-            IValue::S32(value) => seq_writer.write_bytes(&lowerer.writer, &value.to_le_bytes()),
-            IValue::S64(value) => seq_writer.write_bytes(&lowerer.writer, &value.to_le_bytes()),
-            IValue::U8(value) => seq_writer.write_bytes(&lowerer.writer, &value.to_le_bytes()),
-            IValue::U16(value) => seq_writer.write_bytes(&lowerer.writer, &value.to_le_bytes()),
-            IValue::U32(value) => seq_writer.write_bytes(&lowerer.writer, &value.to_le_bytes()),
-            IValue::U64(value) => seq_writer.write_bytes(&lowerer.writer, &value.to_le_bytes()),
-            IValue::I32(value) => seq_writer.write_bytes(&lowerer.writer, &value.to_le_bytes()),
-            IValue::I64(value) => seq_writer.write_bytes(&lowerer.writer, &value.to_le_bytes()),
-            IValue::F32(value) => seq_writer.write_bytes(&lowerer.writer, &value.to_le_bytes()),
-            IValue::F64(value) => seq_writer.write_bytes(&lowerer.writer, &value.to_le_bytes()),
+            IValue::Boolean(value) => seq_writer.write_u8(store, &lowerer.writer, value as _),
+            IValue::S8(value) => seq_writer.write_u8(store, &lowerer.writer, value as _),
+            IValue::S16(value) => seq_writer.write_bytes(store, &lowerer.writer, &value.to_le_bytes()),
+            IValue::S32(value) => seq_writer.write_bytes(store, &lowerer.writer, &value.to_le_bytes()),
+            IValue::S64(value) => seq_writer.write_bytes(store, &lowerer.writer, &value.to_le_bytes()),
+            IValue::U8(value) => seq_writer.write_bytes(store, &lowerer.writer, &value.to_le_bytes()),
+            IValue::U16(value) => seq_writer.write_bytes(store, &lowerer.writer, &value.to_le_bytes()),
+            IValue::U32(value) => seq_writer.write_bytes(store, &lowerer.writer, &value.to_le_bytes()),
+            IValue::U64(value) => seq_writer.write_bytes(store, &lowerer.writer, &value.to_le_bytes()),
+            IValue::I32(value) => seq_writer.write_bytes(store, &lowerer.writer, &value.to_le_bytes()),
+            IValue::I64(value) => seq_writer.write_bytes(store, &lowerer.writer, &value.to_le_bytes()),
+            IValue::F32(value) => seq_writer.write_bytes(store, &lowerer.writer, &value.to_le_bytes()),
+            IValue::F64(value) => seq_writer.write_bytes(store, &lowerer.writer, &value.to_le_bytes()),
             IValue::String(value) => {
-                let offset = lowerer.writer.write_bytes(&value.as_bytes())? as u32;
+                let offset = lowerer.writer.write_bytes(store, &value.as_bytes())? as u32;
 
-                seq_writer.write_bytes(&lowerer.writer, &offset.to_le_bytes());
-                seq_writer.write_bytes(&lowerer.writer, &(value.len() as u32).to_le_bytes());
+                seq_writer.write_bytes(store, &lowerer.writer, &offset.to_le_bytes());
+                seq_writer.write_bytes(store, &lowerer.writer, &(value.len() as u32).to_le_bytes());
             }
             IValue::ByteArray(values) => {
-                let offset = lowerer.writer.write_bytes(&values)? as u32;
+                let offset = lowerer.writer.write_bytes(store, &values)? as u32;
 
-                seq_writer.write_bytes(&lowerer.writer, &offset.to_le_bytes());
-                seq_writer.write_bytes(&lowerer.writer, &(values.len() as u32).to_le_bytes());
+                seq_writer.write_bytes(store, &lowerer.writer, &offset.to_le_bytes());
+                seq_writer.write_bytes(
+                    store,
+                    &lowerer.writer,
+                    &(values.len() as u32).to_le_bytes(),
+                );
             }
             IValue::Array(values) => {
-                let LoweredArray { offset, size } = array_lower_memory(lowerer, values)?;
+                let LoweredArray { offset, size } = array_lower_memory(store, lowerer, values)?;
 
-                seq_writer.write_bytes(&lowerer.writer, &(offset as u32).to_le_bytes());
-                seq_writer.write_bytes(&lowerer.writer, &(size as u32).to_le_bytes());
+                seq_writer.write_bytes(store, &lowerer.writer, &(offset as u32).to_le_bytes());
+                seq_writer.write_bytes(store, &lowerer.writer, &(size as u32).to_le_bytes());
             }
             IValue::Record(values) => {
-                let offset = super::record_lower_memory(lowerer, values)? as u32;
-                seq_writer.write_bytes(&lowerer.writer, &offset.to_le_bytes());
+                let offset = super::record_lower_memory(store, lowerer, values)? as u32;
+                seq_writer.write_bytes(store, &lowerer.writer, &offset.to_le_bytes());
             }
         }
     }
diff --git a/crates/it-lilo/src/lowerer/lower_record.rs b/crates/it-lilo/src/lowerer/lower_record.rs
index b52534e..1098978 100644
--- a/crates/it-lilo/src/lowerer/lower_record.rs
+++ b/crates/it-lilo/src/lowerer/lower_record.rs
@@ -23,8 +23,13 @@ use crate::NEVec;
 
 use it_memory_traits::MemoryView;
 
-pub fn record_lower_memory<A: Allocatable<MV>, MV: MemoryView>(
-    lowerer: &ILowerer<'_, A, MV>,
+pub fn record_lower_memory<
+    A: Allocatable<MV, Store>,
+    MV: MemoryView<Store>,
+    Store: it_memory_traits::Store,
+>(
+    store: &mut <Store as it_memory_traits::Store>::ActualStore<'_>,
+    lowerer: &mut ILowerer<'_, A, MV, Store>,
     values: NEVec<IValue>,
 ) -> LoResult<u32> {
     let average_field_size = 4;
@@ -47,34 +52,35 @@ pub fn record_lower_memory<A: Allocatable<MV>, MV: MemoryView>(
             IValue::F32(value) => result.extend_from_slice(&value.to_le_bytes()),
             IValue::F64(value) => result.extend_from_slice(&value.to_le_bytes()),
             IValue::String(value) => {
-                let offset = lowerer.writer.write_bytes(value.as_bytes())?;
+                let offset = lowerer.writer.write_bytes(store, value.as_bytes())?;
 
                 result.extend_from_slice(&offset.to_le_bytes());
                 result.extend_from_slice(&(value.len() as u32).to_le_bytes());
             }
             IValue::ByteArray(value) => {
-                let offset = lowerer.writer.write_bytes(&value)?;
+                let offset = lowerer.writer.write_bytes(store, &value)?;
 
                 result.extend_from_slice(&offset.to_le_bytes());
                 result.extend_from_slice(&(value.len() as u32).to_le_bytes());
             }
 
             IValue::Array(values) => {
-                let LoweredArray { offset, size } = super::array_lower_memory(lowerer, values)?;
+                let LoweredArray { offset, size } =
+                    super::array_lower_memory(store, lowerer, values)?;
 
                 result.extend_from_slice(&(offset).to_le_bytes());
                 result.extend_from_slice(&(size).to_le_bytes());
             }
 
             IValue::Record(values) => {
-                let offset = record_lower_memory(lowerer, values)?;
+                let offset = record_lower_memory(store, lowerer, values)?;
 
                 result.extend_from_slice(&offset.to_le_bytes());
             }
         }
     }
 
-    let result_pointer = lowerer.writer.write_bytes(&result)?;
+    let result_pointer = lowerer.writer.write_bytes(store, &result)?;
 
     Ok(result_pointer)
 }
diff --git a/crates/it-lilo/src/lowerer/memory_writer.rs b/crates/it-lilo/src/lowerer/memory_writer.rs
index c186be6..d3075c5 100644
--- a/crates/it-lilo/src/lowerer/memory_writer.rs
+++ b/crates/it-lilo/src/lowerer/memory_writer.rs
@@ -21,31 +21,50 @@ use crate::utils::type_tag_form_itype;
 use it_memory_traits::MemoryView;
 
 use std::cell::{Cell, RefCell};
+use std::marker::PhantomData;
 
-pub struct MemoryWriter<'i, R: Allocatable<MV>, MV: MemoryView> {
-    heap_manager: &'i R,
+pub struct MemoryWriter<
+    'i,
+    R: Allocatable<MV, Store>,
+    MV: MemoryView<Store>,
+    Store: it_memory_traits::Store,
+> {
+    heap_manager: &'i mut R,
     view: RefCell<MV>,
+    _store: PhantomData<Store>,
 }
 
-impl<'i, A: Allocatable<MV>, MV: MemoryView> MemoryWriter<'i, A, MV> {
-    pub fn new(view: MV, heap_manager: &'i A) -> LoResult<Self> {
+impl<'i, A: Allocatable<MV, Store>, MV: MemoryView<Store>, Store: it_memory_traits::Store>
+    MemoryWriter<'i, A, MV, Store>
+{
+    pub fn new(view: MV, heap_manager: &'i mut A) -> LoResult<Self> {
         let writer = Self {
             heap_manager,
             view: RefCell::new(view),
+            _store: PhantomData,
         };
         Ok(writer)
     }
 
-    pub fn write_bytes(&self, bytes: &[u8]) -> LoResult<u32> {
+    pub fn write_bytes(
+        &mut self,
+        store: &mut <Store as it_memory_traits::Store>::ActualStore<'_>,
+        bytes: &[u8],
+    ) -> LoResult<u32> {
         let byte_type_tag = type_tag_form_itype(&crate::IType::U8);
-        let seq_writer = self.sequential_writer(bytes.len() as u32, byte_type_tag)?;
-        seq_writer.write_bytes(&self, bytes);
+        let seq_writer = self.sequential_writer(store, bytes.len() as u32, byte_type_tag)?;
+        seq_writer.write_bytes(store, &self, bytes);
 
         Ok(seq_writer.start_offset())
     }
 
-    pub fn sequential_writer(&self, size: u32, type_tag: u32) -> LoResult<SequentialWriter> {
-        let (offset, view) = self.heap_manager.allocate(size, type_tag)?;
+    pub fn sequential_writer(
+        &mut self,
+        store: &mut <Store as it_memory_traits::Store>::ActualStore<'_>,
+        size: u32,
+        type_tag: u32,
+    ) -> LoResult<SequentialWriter> {
+        let (offset, view) = self.heap_manager.allocate(store, size, type_tag)?;
         self.view.replace(view);
         let seq_writer = SequentialWriter::new(offset);
         Ok(seq_writer)
@@ -69,51 +88,72 @@ impl SequentialWriter {
         self.start_offset
     }
 
-    pub fn write_array<MV: MemoryView, A: Allocatable<MV>, const N: usize>(
+    pub fn write_array<
+        MV: MemoryView<Store>,
+        Store: it_memory_traits::Store,
+        A: Allocatable<MV, Store>,
+        const N: usize,
+    >(
         &self,
-        writer: &MemoryWriter<'_, A, MV>,
+        store: &mut <Store as it_memory_traits::Store>::ActualStore<'_>,
+        writer: &MemoryWriter<'_, A, MV, Store>,
         values: [u8; N],
     ) {
         let offset = self.offset.get();
 
-        writer.view.borrow().write_bytes(offset, &values);
+        writer.view.borrow().write_bytes(store, offset, &values);
 
         self.offset.set(offset + N as u32);
     }
 
-    pub fn write_u8<MV: MemoryView, A: Allocatable<MV>>(
+    pub fn write_u8<
+        MV: MemoryView<Store>,
+        Store: it_memory_traits::Store,
+        A: Allocatable<MV, Store>,
+    >(
         &self,
-        writer: &MemoryWriter<'_, A, MV>,
+        store: &mut <Store as it_memory_traits::Store>::ActualStore<'_>,
+        writer: &MemoryWriter<'_, A, MV, Store>,
         value: u8,
     ) {
         let offset = self.offset.get();
 
-        writer.view.borrow().write_byte(offset, value);
+        writer.view.borrow().write_byte(store, offset, value);
 
         self.offset.set(offset + 1);
     }
 
-    pub fn write_u32<MV: MemoryView, A: Allocatable<MV>>(
+    pub fn write_u32<
+        MV: MemoryView<Store>,
+        Store: it_memory_traits::Store,
+        A: Allocatable<MV, Store>,
+    >(
         &self,
-        writer: &MemoryWriter<'_, A, MV>,
+        store: &mut <Store as it_memory_traits::Store>::ActualStore<'_>,
+        writer: &MemoryWriter<'_, A, MV, Store>,
         value: u32,
     ) {
         let offset = self.offset.get();
 
         let value = value.to_le_bytes();
-        writer.view.borrow().write_bytes(offset, &value);
+        writer.view.borrow().write_bytes(store, offset, &value);
 
         self.offset.set(offset + 4);
     }
 
-    pub fn write_bytes<MV: MemoryView, A: Allocatable<MV>>(
+    pub fn write_bytes<
+        MV: MemoryView<Store>,
+        Store: it_memory_traits::Store,
+        A: Allocatable<MV, Store>,
+    >(
         &self,
-        writer: &MemoryWriter<'_, A, MV>,
+        store: &mut <Store as it_memory_traits::Store>::ActualStore<'_>,
+        writer: &MemoryWriter<'_, A, MV, Store>,
         bytes: &[u8],
     ) {
         let offset = self.offset.get();
 
-        writer.view.borrow().write_bytes(offset, bytes);
+        writer.view.borrow().write_bytes(store, offset, bytes);
 
         self.offset.set(offset + bytes.len() as u32);
     }
diff --git a/crates/it-lilo/src/lowerer/mod.rs b/crates/it-lilo/src/lowerer/mod.rs
index 575d321..f945c8c 100644
--- a/crates/it-lilo/src/lowerer/mod.rs
+++ b/crates/it-lilo/src/lowerer/mod.rs
@@ -31,12 +31,19 @@ pub use it_memory_traits::MemoryView;
 
 pub type LoResult<T> = std::result::Result<T, error::LoError>;
 
-pub struct ILowerer<'m, A: Allocatable<MV>, MV: MemoryView> {
-    pub writer: MemoryWriter<'m, A, MV>,
+pub struct ILowerer<
+    'm,
+    A: Allocatable<MV, Store>,
+    MV: MemoryView<Store>,
+    Store: it_memory_traits::Store,
+> {
+    pub writer: MemoryWriter<'m, A, MV, Store>,
 }
 
-impl<'m, A: Allocatable<MV>, MV: MemoryView> ILowerer<'m, A, MV> {
-    pub fn new(view: MV, allocatable: &'m A) -> LoResult<Self> {
+impl<'m, A: Allocatable<MV, Store>, MV: MemoryView<Store>, Store: it_memory_traits::Store>
+    ILowerer<'m, A, MV, Store>
+{
+    pub fn new(view: MV, allocatable: &'m mut A) -> LoResult<Self> {
         let writer = MemoryWriter::new(view, allocatable)?;
         let lowerer = Self { writer };
 
diff --git a/crates/it-lilo/src/traits/allocatable.rs b/crates/it-lilo/src/traits/allocatable.rs
index 986d64d..6e94578 100644
--- a/crates/it-lilo/src/traits/allocatable.rs
+++ b/crates/it-lilo/src/traits/allocatable.rs
@@ -19,8 +19,13 @@ use thiserror::Error as ThisError;
 
 pub const DEFAULT_MEMORY_INDEX: usize = 0;
 
-pub trait Allocatable<MV: MemoryView> {
-    fn allocate(&self, size: u32, type_tag: u32) -> Result<(u32, MV), AllocatableError>;
+pub trait Allocatable<MV: MemoryView<Store>, Store: it_memory_traits::Store> {
+    fn allocate(
+        &mut self,
+        store: &mut <Store as it_memory_traits::Store>::ActualStore<'_>,
+        size: u32,
+        type_tag: u32,
+    ) -> Result<(u32, MV), AllocatableError>;
 }
 
 #[derive(Debug, ThisError)]
diff --git a/crates/it-memory-traits/src/lib.rs b/crates/it-memory-traits/src/lib.rs
index b38e03a..6045dab 100644
--- a/crates/it-memory-traits/src/lib.rs
+++ b/crates/it-memory-traits/src/lib.rs
@@ -18,44 +18,72 @@ mod errors;
 
 pub use errors::MemoryAccessError;
 
-pub trait MemoryReadable {
+pub trait Store {
+    type ActualStore<'c>;
+}
+
+pub trait MemoryReadable<Store: self::Store> {
     /// This function will panic if the `offset` is out of bounds.
     /// It is caller's responsibility to check if the offset is in bounds
     /// using `MemoryView::check_bounds` function
-    fn read_byte(&self, offset: u32) -> u8;
+    fn read_byte(&self, store: &mut <Store as self::Store>::ActualStore<'_>, offset: u32) -> u8;
 
     /// This function will panic if `[offset..offset + COUNT]` is out of bounds.
     /// It is caller's responsibility to check if the offset is in bounds
     /// using `MemoryView::check_bounds` function.
-    fn read_array<const COUNT: usize>(&self, offset: u32) -> [u8; COUNT];
+    fn read_array<const COUNT: usize>(
+        &self,
+        store: &mut <Store as self::Store>::ActualStore<'_>,
+        offset: u32,
+    ) -> [u8; COUNT];
 
     /// This function will panic if `[offset..offset + size]` is out of bounds.
     /// It is caller's responsibility to check if the offset is in bounds
     /// using `MemoryView::check_bounds` function.
-    fn read_vec(&self, offset: u32, size: u32) -> Vec<u8>;
+    fn read_vec(
+        &self,
+        store: &mut <Store as self::Store>::ActualStore<'_>,
+        offset: u32,
+        size: u32,
+    ) -> Vec<u8>;
 }
 
-pub trait MemoryWritable {
+pub trait MemoryWritable<Store: self::Store> {
     /// This function will panic if `offset` is out of bounds.
     /// It is caller's responsibility to check if the offset is in bounds
     /// using `MemoryView::check_bounds` function.
-    fn write_byte(&self, offset: u32, value: u8);
+    fn write_byte(
+        &self,
+        store: &mut <Store as self::Store>::ActualStore<'_>,
+        offset: u32,
+        value: u8,
+    );
 
     /// This function will panic if `[offset..offset + bytes.len()]`.is out of bounds.
     /// It is caller's responsibility to check if the offset is in bounds
     /// using `MemoryView::check_bounds` function.
-    fn write_bytes(&self, offset: u32, bytes: &[u8]);
+    fn write_bytes(
+        &self,
+        store: &mut <Store as self::Store>::ActualStore<'_>,
+        offset: u32,
+        bytes: &[u8],
+    );
 }
 
-pub trait MemoryView: MemoryWritable + MemoryReadable {
+pub trait MemoryView<Store: self::Store>: MemoryWritable<Store> + MemoryReadable<Store> {
     /// For optimization purposes, user must check bounds first, then try read-write to memory
     /// `MemoryWritable` and `MemoryReadable` functions will panic in case of out of bounds access`
-    fn check_bounds(&self, offset: u32, size: u32) -> Result<(), MemoryAccessError>;
+    fn check_bounds(
+        &self,
+        store: &mut <Store as self::Store>::ActualStore<'_>,
+        offset: u32,
+        size: u32,
+    ) -> Result<(), MemoryAccessError>;
 }
 
-pub trait Memory<View>
+pub trait Memory<View, Store: self::Store>
 where
-    View: MemoryView,
+    View: MemoryView<Store>,
 {
     fn view(&self) -> View;
 }
diff --git a/wasmer-it/src/ast.rs b/wasmer-it/src/ast.rs
index 4be9751..b6e8862 100644
--- a/wasmer-it/src/ast.rs
+++ b/wasmer-it/src/ast.rs
@@ -5,8 +5,8 @@ use crate::{interpreter::Instruction, IRecordType, IType};
 
 use serde::Deserialize;
 use serde::Serialize;
-use std::rc::Rc;
 use std::str;
+use std::sync::Arc;
 
 /// Represents the kind of type.
 #[derive(PartialEq, Eq, Debug, Clone, Hash, Serialize, Deserialize)]
@@ -38,10 +38,10 @@ pub enum Type {
     /// ```
     Function {
         /// Types for the parameters (`(param (name i32))`).
-        arguments: Rc<Vec<FunctionArg>>,
+        arguments: Arc<Vec<FunctionArg>>,
 
         /// Types for the results (`(result …)`).
-        output_types: Rc<Vec<IType>>,
+        output_types: Arc<Vec<IType>>,
     },
 
     /// A record type, like:
@@ -49,7 +49,7 @@ pub enum Type {
     /// ```wasm,ignore
     /// (@interface type (record string i32))
     /// ```
-    Record(Rc<IRecordType>),
+    Record(Arc<IRecordType>),
 }
 
 /// Represents an imported function.
diff --git a/wasmer-it/src/decoders/binary.rs b/wasmer-it/src/decoders/binary.rs
index 309d518..01e273d 100644
--- a/wasmer-it/src/decoders/binary.rs
+++ b/wasmer-it/src/decoders/binary.rs
@@ -8,8 +8,7 @@ use nom::{
     error::{make_error, ErrorKind, ParseError},
     Err, IResult,
 };
-use std::rc::Rc;
-use std::{convert::TryFrom, str};
+use std::{convert::TryFrom, str, sync::Arc};
 
 /// Parse a type kind.
 impl TryFrom<u8> for TypeKind {
@@ -386,15 +385,15 @@ fn types<'input, E: ParseError<&'input [u8]>>(
                 consume!((input, output_types) = list(input, ty)?);
 
                 types.push(Type::Function {
-                    arguments: Rc::new(arguments),
-                    output_types: Rc::new(output_types),
+                    arguments: Arc::new(arguments),
+                    output_types: Arc::new(output_types),
                 });
             }
 
             TypeKind::Record => {
                 consume!((input, record_type) = record_type(input)?);
 
-                types.push(Type::Record(Rc::new(record_type)));
+                types.push(Type::Record(Arc::new(record_type)));
             }
         }
     }
diff --git a/wasmer-it/src/decoders/wat.rs b/wasmer-it/src/decoders/wat.rs
index 8561b09..1313626 100644
--- a/wasmer-it/src/decoders/wat.rs
+++ b/wasmer-it/src/decoders/wat.rs
@@ -2,11 +2,13 @@
 
 use crate::IType;
 use crate::{ast::*, interpreter::Instruction};
-use std::rc::Rc;
+
 pub use wast::parser::ParseBuffer as Buffer;
 use wast::parser::{self, Cursor, Parse, Parser, Peek, Result};
 pub use wast::Error;
 
+use std::sync::Arc;
+
 mod keyword {
     pub use wast::{
         custom_keyword,
@@ -491,11 +493,11 @@ impl<'a> Parse<'a> for Type {
                 }
 
                 Ok(Type::Function {
-                    arguments: Rc::new(arguments),
-                    output_types: Rc::new(output_types),
+                    arguments: Arc::new(arguments),
+                    output_types: Arc::new(output_types),
                 })
             } else if lookahead.peek::<keyword::record>() {
-                Ok(Type::Record(Rc::new(parser.parse()?)))
+                Ok(Type::Record(Arc::new(parser.parse()?)))
             } else {
                 Err(lookahead.error())
             }
diff --git a/wasmer-it/src/interpreter/instructions/arrays.rs b/wasmer-it/src/interpreter/instructions/arrays.rs
index c52b2a9..ca8cf1f 100644
--- a/wasmer-it/src/interpreter/instructions/arrays.rs
+++ b/wasmer-it/src/interpreter/instructions/arrays.rs
@@ -12,17 +12,30 @@ use it_lilo::lowerer::ILowerer;
 use it_lilo::lowerer::LoweredArray;
 use it_lilo::traits::DEFAULT_MEMORY_INDEX;
 
-pub(crate) fn array_lift_memory<Instance, Export, LocalImport, Memory, MemoryView>(
+pub(crate) fn array_lift_memory<Instance, Export, LocalImport, Memory, MemoryView, Store>(
     instruction: Instruction,
     value_type: IType,
-) -> crate::interpreter::ExecutableInstruction<Instance, Export, LocalImport, Memory, MemoryView>
+) -> crate::interpreter::ExecutableInstruction<
+    Instance,
+    Export,
+    LocalImport,
+    Memory,
+    MemoryView,
+    Store,
+>
 where
     Export: crate::interpreter::wasm::structures::Export,
-    LocalImport: crate::interpreter::wasm::structures::LocalImport,
-    Memory: crate::interpreter::wasm::structures::Memory<MemoryView>,
-    MemoryView: crate::interpreter::wasm::structures::MemoryView,
-    Instance:
-        crate::interpreter::wasm::structures::Instance<Export, LocalImport, Memory, MemoryView>,
+    LocalImport: crate::interpreter::wasm::structures::LocalImport<Store>,
+    Memory: crate::interpreter::wasm::structures::Memory<MemoryView, Store>,
+    MemoryView: crate::interpreter::wasm::structures::MemoryView<Store>,
+    Instance: crate::interpreter::wasm::structures::Instance<
+        Export,
+        LocalImport,
+        Memory,
+        MemoryView,
+        Store,
+    >,
+    Store: crate::interpreter::wasm::structures::Store,
 {
     #[allow(unused_imports)]
     use crate::interpreter::stack::Stackable;
@@ -61,8 +74,9 @@ where
 
             let li_helper = lilo::LiHelper::new(&**instance);
             let lifter = ILifter::new(memory_view, &li_helper);
-            let array = it_lilo::lifter::array_lift_memory(&lifter, &value_type, offset, size)
-                .map_err(|e| InstructionError::from_li(instruction.clone(), e))?;
+            let array =
+                it_lilo::lifter::array_lift_memory(runtime.store, &lifter, &value_type, offset, size)
+                    .map_err(|e| InstructionError::from_li(instruction.clone(), e))?;
 
             log::trace!("array.lift_memory: pushing {:?} on the stack", array);
             runtime.stack.push(array);
@@ -72,17 +86,30 @@ where
     })
 }
 
-pub(crate) fn array_lower_memory<Instance, Export, LocalImport, Memory, MemoryView>(
+pub(crate) fn array_lower_memory<Instance, Export, LocalImport, Memory, MemoryView, Store>(
     instruction: Instruction,
     value_type: IType,
-) -> crate::interpreter::ExecutableInstruction<Instance, Export, LocalImport, Memory, MemoryView>
+) -> crate::interpreter::ExecutableInstruction<
+    Instance,
+    Export,
+    LocalImport,
+    Memory,
+    MemoryView,
+    Store,
+>
 where
     Export: crate::interpreter::wasm::structures::Export,
-    LocalImport: crate::interpreter::wasm::structures::LocalImport,
-    Memory: crate::interpreter::wasm::structures::Memory<MemoryView>,
-    MemoryView: crate::interpreter::wasm::structures::MemoryView,
-    Instance:
-        crate::interpreter::wasm::structures::Instance<Export, LocalImport, Memory, MemoryView>,
+    LocalImport: crate::interpreter::wasm::structures::LocalImport<Store>,
+    Memory: crate::interpreter::wasm::structures::Memory<MemoryView, Store>,
+    MemoryView: crate::interpreter::wasm::structures::MemoryView<Store>,
+    Instance: crate::interpreter::wasm::structures::Instance<
+        Export,
+        LocalImport,
+        Memory,
+        MemoryView,
+        Store,
+    >,
+    Store: crate::interpreter::wasm::structures::Store,
 {
     #[allow(unused_imports)]
     use crate::interpreter::stack::Stackable;
@@ -117,12 +144,12 @@ where
                         })?
                         .view();
 
-                    let lo_helper = lilo::LoHelper::new(&**instance);
-                    let lowerer = ILowerer::new(memory_view, &lo_helper)
+                    let mut lo_helper = lilo::LoHelper::new(&**instance);
+                    let mut lowerer = ILowerer::new(memory_view, &mut lo_helper)
                         .map_err(|e| InstructionError::from_lo(instruction.clone(), e))?;
 
                     let LoweredArray { offset, size } =
-                        it_lilo::lowerer::array_lower_memory(&lowerer, values)
+                        it_lilo::lowerer::array_lower_memory(runtime.store, &mut lowerer, values)
                             .map_err(|e| InstructionError::from_lo(instruction.clone(), e))?;
 
                     log::trace!(
@@ -136,7 +163,7 @@ where
                     Ok(())
                 }
                 IValue::ByteArray(bytearray) => {
-                    let lo_helper = lilo::LoHelper::new(&**instance);
+                    let mut lo_helper = lilo::LoHelper::new(&**instance);
                     let memory_index = DEFAULT_MEMORY_INDEX;
                     let memory_view = instance
                         .memory(memory_index)
@@ -148,12 +175,12 @@ where
                         })?
                         .view();
 
-                    let lowerer = ILowerer::new(memory_view, &lo_helper)
+                    let mut lowerer = ILowerer::new(memory_view, &mut lo_helper)
                         .map_err(|e| InstructionError::from_lo(instruction.clone(), e))?;
 
                     let offset = lowerer
                         .writer
-                        .write_bytes(&bytearray)
+                        .write_bytes(runtime.store, &bytearray)
                         .map_err(|e| InstructionError::from_lo(instruction.clone(), e))?;
                     let size = bytearray.len();
 
diff --git a/wasmer-it/src/interpreter/instructions/byte_arrays.rs b/wasmer-it/src/interpreter/instructions/byte_arrays.rs
index 5600f03..2c7be43 100644
--- a/wasmer-it/src/interpreter/instructions/byte_arrays.rs
+++ b/wasmer-it/src/interpreter/instructions/byte_arrays.rs
@@ -42,10 +42,10 @@ executable_instruction!(
             }
 
             memory_view
-                .check_bounds(pointer, length)
+                .check_bounds(runtime.store, pointer, length)
                 .map_err(|e| InstructionError::from_memory_access(instruction.clone(), e))?;
 
-            let data = memory_view.read_vec(pointer, length);
+            let data = memory_view.read_vec(runtime.store, pointer, length);
 
             log::debug!("byte_array.lift_memory: pushing {:?} on the stack", data);
             runtime.stack.push(IValue::ByteArray(data));
@@ -82,10 +82,10 @@ executable_instruction!(
                 .view();
 
             memory_view
-                .check_bounds(array_pointer, array.len() as u32)
+                .check_bounds(runtime.store, array_pointer, array.len() as u32)
                 .map_err(|e| InstructionError::from_memory_access(instruction.clone(), e))?;
 
-            memory_view.write_bytes(array_pointer, &array);
+            memory_view.write_bytes(runtime.store, array_pointer, &array);
 
             log::debug!("string.lower_memory: pushing {}, {} on the stack", array_pointer, length);
             runtime.stack.push(IValue::I32(array_pointer as i32));
diff --git a/wasmer-it/src/interpreter/instructions/call_core.rs b/wasmer-it/src/interpreter/instructions/call_core.rs
index faf2f1b..729d8ca 100644
--- a/wasmer-it/src/interpreter/instructions/call_core.rs
+++ b/wasmer-it/src/interpreter/instructions/call_core.rs
@@ -34,7 +34,7 @@ executable_instruction!(
 
             log::debug!("call-core: calling {} with arguments: {:?}", local_or_import.name(), inputs);
 
-            let outputs = local_or_import.call(&inputs).map_err(|_| {
+            let outputs = local_or_import.call(runtime.store, &inputs).map_err(|_| {
                 InstructionError::from_error_kind(
                     instruction.clone(),
                     InstructionErrorKind::LocalOrImportCall {
diff --git a/wasmer-it/src/interpreter/instructions/lilo/li_helper.rs b/wasmer-it/src/interpreter/instructions/lilo/li_helper.rs
index 2a605ca..0857b9b 100644
--- a/wasmer-it/src/interpreter/instructions/lilo/li_helper.rs
+++ b/wasmer-it/src/interpreter/instructions/lilo/li_helper.rs
@@ -6,29 +6,32 @@ use it_lilo::traits::RecordResolvableError;
 
 use std::marker::PhantomData;
 
-pub struct LiHelper<'i, Instance, Export, LocalImport, Memory, MemoryView>
+pub struct LiHelper<'i, Instance, Export, LocalImport, Memory, MemoryView, Store>
 where
     Export: wasm::structures::Export + 'i,
-    LocalImport: wasm::structures::LocalImport + 'i,
-    Memory: wasm::structures::Memory<MemoryView> + 'i,
-    MemoryView: wasm::structures::MemoryView + 'i,
-    Instance: wasm::structures::Instance<Export, LocalImport, Memory, MemoryView>,
+    LocalImport: wasm::structures::LocalImport<Store> + 'i,
+    Memory: wasm::structures::Memory<MemoryView, Store> + 'i,
+    MemoryView: wasm::structures::MemoryView<Store> + 'i,
+    Instance: wasm::structures::Instance<Export, LocalImport, Memory, MemoryView, Store>,
+    Store: wasm::structures::Store,
 {
     pub(crate) instance: &'i Instance,
     _export: PhantomData<Export>,
     _local_import: PhantomData<LocalImport>,
     _memory: PhantomData<Memory>,
     _memory_view: PhantomData<MemoryView>,
+    _store: PhantomData<Store>,
 }
 
-impl<'i, Instance, Export, LocalImport, Memory, MemoryView>
-    LiHelper<'i, Instance, Export, LocalImport, Memory, MemoryView>
+impl<'i, Instance, Export, LocalImport, Memory, MemoryView, Store>
+    LiHelper<'i, Instance, Export, LocalImport, Memory, MemoryView, Store>
 where
     Export: wasm::structures::Export + 'i,
-    LocalImport: wasm::structures::LocalImport + 'i,
-    Memory: wasm::structures::Memory<MemoryView> + 'i,
-    MemoryView: wasm::structures::MemoryView,
-    Instance: wasm::structures::Instance<Export, LocalImport, Memory, MemoryView>,
+    LocalImport: wasm::structures::LocalImport<Store> + 'i,
+    Memory: wasm::structures::Memory<MemoryView, Store> + 'i,
+    MemoryView: wasm::structures::MemoryView<Store>,
+    Instance: wasm::structures::Instance<Export, LocalImport, Memory, MemoryView, Store>,
+    Store: wasm::structures::Store,
 {
     pub(crate) fn new(instance: &'i Instance) -> Self {
         Self {
@@ -37,18 +40,20 @@ where
             _local_import: PhantomData,
             _memory: PhantomData,
             _memory_view: PhantomData,
+            _store: PhantomData,
         }
     }
 }
 
-impl<'i, Instance, Export, LocalImport, Memory, MemoryView> RecordResolvable
-    for LiHelper<'i, Instance, Export, LocalImport, Memory, MemoryView>
+impl<'i, Instance, Export, LocalImport, Memory, MemoryView, Store> RecordResolvable
+    for LiHelper<'i, Instance, Export, LocalImport, Memory, MemoryView, Store>
 where
     Export: wasm::structures::Export + 'i,
-    LocalImport: wasm::structures::LocalImport + 'i,
-    Memory: wasm::structures::Memory<MemoryView> + 'i,
-    MemoryView: wasm::structures::MemoryView,
-    Instance: wasm::structures::Instance<Export, LocalImport, Memory, MemoryView>,
+    LocalImport: wasm::structures::LocalImport<Store> + 'i,
+    Memory: wasm::structures::Memory<MemoryView, Store> + 'i,
+    MemoryView: wasm::structures::MemoryView<Store>,
+    Instance: wasm::structures::Instance<Export, LocalImport, Memory, MemoryView, Store>,
+    Store: wasm::structures::Store,
 {
     fn resolve_record(&self, record_type_id: u64) -> Result<&IRecordType, RecordResolvableError> {
         let record = self
diff --git a/wasmer-it/src/interpreter/instructions/lilo/lo_helper.rs b/wasmer-it/src/interpreter/instructions/lilo/lo_helper.rs
index c7b45cf..c1556df 100644
--- a/wasmer-it/src/interpreter/instructions/lilo/lo_helper.rs
+++ b/wasmer-it/src/interpreter/instructions/lilo/lo_helper.rs
@@ -8,29 +8,32 @@ use it_lilo::traits::DEFAULT_MEMORY_INDEX;
 
 use std::marker::PhantomData;
 
-pub struct LoHelper<'i, Instance, Export, LocalImport, Memory, MemoryView>
+pub struct LoHelper<'i, Instance, Export, LocalImport, Memory, MemoryView, Store>
 where
     Export: wasm::structures::Export + 'i,
-    LocalImport: wasm::structures::LocalImport + 'i,
-    Memory: wasm::structures::Memory<MemoryView> + 'i,
-    MemoryView: wasm::structures::MemoryView,
-    Instance: wasm::structures::Instance<Export, LocalImport, Memory, MemoryView>,
+    LocalImport: wasm::structures::LocalImport<Store> + 'i,
+    Memory: wasm::structures::Memory<MemoryView, Store> + 'i,
+    MemoryView: wasm::structures::MemoryView<Store>,
+    Instance: wasm::structures::Instance<Export, LocalImport, Memory, MemoryView, Store>,
+    Store: wasm::structures::Store,
 {
     pub(crate) instance: &'i Instance,
     _export: PhantomData<Export>,
     _local_import: PhantomData<LocalImport>,
     _memory: PhantomData<Memory>,
     _memory_view: PhantomData<MemoryView>,
+    _store: PhantomData<Store>,
 }
 
-impl<'i, Instance, Export, LocalImport, Memory, MemoryView>
-    LoHelper<'i, Instance, Export, LocalImport, Memory, MemoryView>
+impl<'i, Instance, Export, LocalImport, Memory, MemoryView, Store>
+    LoHelper<'i, Instance, Export, LocalImport, Memory, MemoryView, Store>
 where
     Export: wasm::structures::Export + 'i,
-    LocalImport: wasm::structures::LocalImport + 'i,
-    Memory: wasm::structures::Memory<MemoryView> + 'i,
-    MemoryView: wasm::structures::MemoryView,
-    Instance: wasm::structures::Instance<Export, LocalImport, Memory, MemoryView>,
+    LocalImport: wasm::structures::LocalImport<Store> + 'i,
+    Memory: wasm::structures::Memory<MemoryView, Store> + 'i,
+    MemoryView: wasm::structures::MemoryView<Store>,
+    Instance: wasm::structures::Instance<Export, LocalImport, Memory, MemoryView, Store>,
+    Store: wasm::structures::Store,
 {
     pub(crate) fn new(instance: &'i Instance) -> Self {
         Self {
@@ -39,20 +42,27 @@ where
             _local_import: PhantomData,
             _memory: PhantomData,
             _memory_view: PhantomData,
+            _store: PhantomData,
         }
     }
 }
 
-impl<'i, Instance, Export, LocalImport, Memory, MemoryView> Allocatable<MemoryView>
-    for LoHelper<'i, Instance, Export, LocalImport, Memory, MemoryView>
+impl<'i, Instance, Export, LocalImport, Memory, MemoryView, Store> Allocatable<MemoryView, Store>
+    for LoHelper<'i, Instance, Export, LocalImport, Memory, MemoryView, Store>
 where
     Export: wasm::structures::Export + 'i,
-    LocalImport: wasm::structures::LocalImport + 'i,
-    Memory: wasm::structures::Memory<MemoryView> + 'i,
-    MemoryView: wasm::structures::MemoryView,
-    Instance: wasm::structures::Instance<Export, LocalImport, Memory, MemoryView>,
+    LocalImport: wasm::structures::LocalImport<Store> + 'i,
+    Memory: wasm::structures::Memory<MemoryView, Store> + 'i,
+    MemoryView: wasm::structures::MemoryView<Store>,
+    Instance: wasm::structures::Instance<Export, LocalImport, Memory, MemoryView, Store>,
+    Store: wasm::structures::Store,
 {
-    fn allocate(&self, size: u32, type_tag: u32) -> Result<(u32, MemoryView), AllocatableError> {
+    fn allocate(
+        &mut self,
+        store: &mut <Store as wasm::structures::Store>::ActualStore<'_>,
+        size: u32,
+        type_tag: u32,
+    ) -> Result<(u32, MemoryView), AllocatableError> {
         use AllocatableError::*;
 
         use crate::interpreter::instructions::ALLOCATE_FUNC_INDEX;
@@ -76,7 +86,7 @@ where
         .map_err(|_| AllocateFuncIncompatibleSignature)?;
 
         let outcome = local_or_import
-            .call(&inputs)
+            .call(store, &inputs)
             .map_err(|_| AllocateCallFailed)?;
 
         if outcome.len() != 1 {
diff --git a/wasmer-it/src/interpreter/instructions/mod.rs b/wasmer-it/src/interpreter/instructions/mod.rs
index b396f7f..d3d186a 100644
--- a/wasmer-it/src/interpreter/instructions/mod.rs
+++ b/wasmer-it/src/interpreter/instructions/mod.rs
@@ -233,6 +233,7 @@ pub(crate) fn check_function_signature<
     LocalImport,
     Memory,
     MemoryView,
+    Store,
 >(
     instance: &'instance Instance,
     local_import: &LocalImport,
@@ -240,10 +241,11 @@ pub(crate) fn check_function_signature<
 ) -> Result<(), InstructionErrorKind>
 where
     Export: wasm::structures::Export + 'instance,
-    LocalImport: wasm::structures::LocalImport + 'instance,
-    Memory: wasm::structures::Memory<MemoryView> + 'instance,
-    MemoryView: wasm::structures::MemoryView,
-    Instance: wasm::structures::Instance<Export, LocalImport, Memory, MemoryView>,
+    LocalImport: wasm::structures::LocalImport<Store> + 'instance,
+    Memory: wasm::structures::Memory<MemoryView, Store> + 'instance,
+    MemoryView: wasm::structures::MemoryView<Store>,
+    Instance: wasm::structures::Instance<Export, LocalImport, Memory, MemoryView, Store>,
+    Store: wasm::structures::Store,
 {
     let func_inputs = local_import.arguments();
 
@@ -262,6 +264,7 @@ pub(crate) fn is_value_compatible_to_type<
     LocalImport,
     Memory,
     MemoryView,
+    Store,
 >(
     instance: &'instance Instance,
     interface_type: &IType,
@@ -269,10 +272,11 @@ pub(crate) fn is_value_compatible_to_type<
 ) -> Result<(), InstructionErrorKind>
 where
     Export: wasm::structures::Export + 'instance,
-    LocalImport: wasm::structures::LocalImport + 'instance,
-    Memory: wasm::structures::Memory<MemoryView> + 'instance,
-    MemoryView: wasm::structures::MemoryView,
-    Instance: wasm::structures::Instance<Export, LocalImport, Memory, MemoryView>,
+    LocalImport: wasm::structures::LocalImport<Store> + 'instance,
+    Memory: wasm::structures::Memory<MemoryView, Store> + 'instance,
+    MemoryView: wasm::structures::MemoryView<Store>,
+    Instance: wasm::structures::Instance<Export, LocalImport, Memory, MemoryView, Store>,
+    Store: wasm::structures::Store,
 {
     match (&interface_type, interface_value) {
         (IType::Boolean, IValue::Boolean(_)) => Ok(()),
@@ -333,6 +337,7 @@ pub(crate) fn is_record_fields_compatible_to_type<
     LocalImport,
     Memory,
     MemoryView,
+    Store,
 >(
     instance: &'instance Instance,
     record_type_id: u64,
@@ -340,10 +345,11 @@ pub(crate) fn is_record_fields_compatible_to_type<
 ) -> Result<(), InstructionErrorKind>
 where
     Export: wasm::structures::Export + 'instance,
-    LocalImport: wasm::structures::LocalImport + 'instance,
-    Memory: wasm::structures::Memory<MemoryView> + 'instance,
-    MemoryView: wasm::structures::MemoryView,
-    Instance: wasm::structures::Instance<Export, LocalImport, Memory, MemoryView>,
+    LocalImport: wasm::structures::LocalImport<Store> + 'instance,
+    Memory: wasm::structures::Memory<MemoryView, Store> + 'instance,
+    MemoryView: wasm::structures::MemoryView<Store>,
+    Instance: wasm::structures::Instance<Export, LocalImport, Memory, MemoryView, Store>,
+    Store: wasm::structures::Store,
 {
     let record_type = instance
         .wit_record_by_id(record_type_id)
@@ -453,7 +459,7 @@ pub(crate) mod tests {
         }
     }
 
-    impl wasm::structures::Memory<MemoryView> for Memory {
+    impl wasm::structures::Memory<MemoryView, Store> for Memory {
         fn view(&self) -> MemoryView {
             self.view.clone()
         }
diff --git a/wasmer-it/src/interpreter/instructions/records.rs b/wasmer-it/src/interpreter/instructions/records.rs
index ebdb76b..6d5c064 100644
--- a/wasmer-it/src/interpreter/instructions/records.rs
+++ b/wasmer-it/src/interpreter/instructions/records.rs
@@ -9,17 +9,30 @@ use it_lilo::lifter::ILifter;
 use it_lilo::lowerer::ILowerer;
 use it_lilo::traits::DEFAULT_MEMORY_INDEX;
 
-pub(crate) fn record_lift_memory<Instance, Export, LocalImport, Memory, MemoryView>(
+pub(crate) fn record_lift_memory<Instance, Export, LocalImport, Memory, MemoryView, Store>(
     record_type_id: u64,
     instruction: Instruction,
-) -> crate::interpreter::ExecutableInstruction<Instance, Export, LocalImport, Memory, MemoryView>
+) -> crate::interpreter::ExecutableInstruction<
+    Instance,
+    Export,
+    LocalImport,
+    Memory,
+    MemoryView,
+    Store,
+>
 where
     Export: crate::interpreter::wasm::structures::Export,
-    LocalImport: crate::interpreter::wasm::structures::LocalImport,
-    Memory: crate::interpreter::wasm::structures::Memory<MemoryView>,
-    MemoryView: crate::interpreter::wasm::structures::MemoryView,
-    Instance:
-        crate::interpreter::wasm::structures::Instance<Export, LocalImport, Memory, MemoryView>,
+    LocalImport: crate::interpreter::wasm::structures::LocalImport<Store>,
+    Memory: crate::interpreter::wasm::structures::Memory<MemoryView, Store>,
+    MemoryView: crate::interpreter::wasm::structures::MemoryView<Store>,
+    Instance: crate::interpreter::wasm::structures::Instance<
+        Export,
+        LocalImport,
+        Memory,
+        MemoryView,
+        Store,
+    >,
+    Store: crate::interpreter::wasm::structures::Store,
 {
     #[allow(unused_imports)]
     use crate::interpreter::stack::Stackable;
@@ -62,7 +75,7 @@ where
 
             let li_helper = lilo::LiHelper::new(&**instance);
             let lifter = ILifter::new(memory_view, &li_helper);
-            let record = it_lilo::lifter::record_lift_memory(&lifter, record_type, offset)
+            let record = it_lilo::lifter::record_lift_memory(runtime.store, &lifter, record_type, offset)
                 .map_err(|e| InstructionError::from_li(instruction.clone(), e))?;
 
             log::debug!("record.lift_memory: pushing {:?} on the stack", record);
@@ -73,17 +86,30 @@ where
     })
 }
 
-pub(crate) fn record_lower_memory<Instance, Export, LocalImport, Memory, MemoryView>(
+pub(crate) fn record_lower_memory<Instance, Export, LocalImport, Memory, MemoryView, Store>(
     record_type_id: u64,
     instruction: Instruction,
-) -> crate::interpreter::ExecutableInstruction<Instance, Export, LocalImport, Memory, MemoryView>
+) -> crate::interpreter::ExecutableInstruction<
+    Instance,
+    Export,
+    LocalImport,
+    Memory,
+    MemoryView,
+    Store,
+>
 where
     Export: crate::interpreter::wasm::structures::Export,
-    LocalImport: crate::interpreter::wasm::structures::LocalImport,
-    Memory: crate::interpreter::wasm::structures::Memory<MemoryView>,
-    MemoryView: crate::interpreter::wasm::structures::MemoryView,
-    Instance:
-        crate::interpreter::wasm::structures::Instance<Export, LocalImport, Memory, MemoryView>,
+    LocalImport: crate::interpreter::wasm::structures::LocalImport<Store>,
+    Memory: crate::interpreter::wasm::structures::Memory<MemoryView, Store>,
+    MemoryView: crate::interpreter::wasm::structures::MemoryView<Store>,
+    Instance: crate::interpreter::wasm::structures::Instance<
+        Export,
+        LocalImport,
+        Memory,
+        MemoryView,
+        Store,
+    >,
+    Store: crate::interpreter::wasm::structures::Store,
 {
     #[allow(unused_imports)]
     use crate::interpreter::stack::Stackable;
@@ -113,12 +139,15 @@ where
                         })?
                         .view();
 
-                    let lo_helper = lilo::LoHelper::new(&**instance);
-                    let memory_writer = ILowerer::new(memory_view, &lo_helper)
+                    let mut lo_helper = lilo::LoHelper::new(&**instance);
+                    let mut memory_writer = ILowerer::new(memory_view, &mut lo_helper)
                         .map_err(|e| InstructionError::from_lo(instruction.clone(), e))?;
-                    let offset =
-                        it_lilo::lowerer::record_lower_memory(&memory_writer, record_fields)
-                            .map_err(|e| InstructionError::from_lo(instruction.clone(), e))?;
+                    let offset = it_lilo::lowerer::record_lower_memory(
+                        runtime.store,
+                        &mut memory_writer,
+                        record_fields,
+                    )
+                    .map_err(|e| InstructionError::from_lo(instruction.clone(), e))?;
 
                     log::debug!("record.lower_memory: pushing {} on the stack", offset);
                     runtime.stack.push(IValue::I32(offset as i32));
diff --git a/wasmer-it/src/interpreter/instructions/strings.rs b/wasmer-it/src/interpreter/instructions/strings.rs
index 730f6b2..972702e 100644
--- a/wasmer-it/src/interpreter/instructions/strings.rs
+++ b/wasmer-it/src/interpreter/instructions/strings.rs
@@ -41,10 +41,10 @@ executable_instruction!(
             }
 
             memory_view
-                .check_bounds(pointer, length)
+                .check_bounds(runtime.store, pointer, length)
                 .map_err(|e| InstructionError::from_memory_access(instruction.clone(), e))?;
 
-            let data = memory_view.read_vec(pointer, length);
+            let data = memory_view.read_vec(runtime.store, pointer, length);
             let string = String::from_utf8(data)
                 .map_err(|error| InstructionError::from_error_kind(instruction.clone(), InstructionErrorKind::String(error)))?;
 
@@ -83,10 +83,10 @@ executable_instruction!(
                 })?;
 
             memory_view
-                .check_bounds(string_pointer, string_length)
+                .check_bounds(runtime.store, string_pointer, string_length)
                 .map_err(|e| InstructionError::from_memory_access(instruction.clone(), e))?;
 
-            memory_view.write_bytes(string_pointer, string_bytes);
+            memory_view.write_bytes(runtime.store, string_pointer, string_bytes);
 
             log::debug!("string.lower_memory: pushing {}, {} on the stack", string_pointer, string_length);
             runtime.stack.push(IValue::I32(string_pointer as i32));
diff --git a/wasmer-it/src/interpreter/mod.rs b/wasmer-it/src/interpreter/mod.rs
index 4fbcbdb..0f611fe 100644
--- a/wasmer-it/src/interpreter/mod.rs
+++ b/wasmer-it/src/interpreter/mod.rs
@@ -13,13 +13,25 @@ use std::{convert::TryFrom, marker::PhantomData};
 
 /// Represents the `Runtime`, which is used by an adapter to execute
 /// its instructions.
-pub(crate) struct Runtime<'invocation, 'instance, Instance, Export, LocalImport, Memory, MemoryView>
-where
+pub(crate) struct Runtime<
+    'invocation,
+    'instance,
+    'store_ref,
+    'store_param,
+    Instance,
+    Export,
+    LocalImport,
+    Memory,
+    MemoryView,
+    Store,
+> where
     Export: wasm::structures::Export + 'instance,
-    LocalImport: wasm::structures::LocalImport + 'instance,
-    Memory: wasm::structures::Memory<MemoryView> + 'instance,
-    MemoryView: wasm::structures::MemoryView,
-    Instance: wasm::structures::Instance<Export, LocalImport, Memory, MemoryView> + 'instance,
+    LocalImport: wasm::structures::LocalImport<Store> + 'instance,
+    Memory: wasm::structures::Memory<MemoryView, Store> + 'instance,
+    MemoryView: wasm::structures::MemoryView<Store>,
+    Instance:
+        wasm::structures::Instance<Export, LocalImport, Memory, MemoryView, Store> + 'instance,
+    Store: wasm::structures::Store,
 {
     /// The invocation inputs are all the arguments received by an
     /// adapter.
@@ -31,17 +43,20 @@ where
     /// The WebAssembly module instance. It is used by adapter's
     /// instructions.
     wasm_instance: &'instance mut Instance,
+    store: &'store_ref mut <Store as it_memory_traits::Store>::ActualStore<'store_param>,
 
     /// Phantom data.
-    _phantom: PhantomData<(Export, LocalImport, Memory, MemoryView)>,
+    _phantom: PhantomData<(Export, LocalImport, Memory, MemoryView, Store)>,
 }
 
 /// Type alias for an executable instruction. It's an implementation
 /// details, but an instruction is a boxed closure instance.
-pub(crate) type ExecutableInstruction<Instance, Export, LocalImport, Memory, MemoryView> = Box<
-    dyn Fn(&mut Runtime<Instance, Export, LocalImport, Memory, MemoryView>) -> InstructionResult<()>
-        + Send,
->;
+pub(crate) type ExecutableInstruction<Instance, Export, LocalImport, Memory, MemoryView, Store> =
+    Box<
+        dyn Fn(&mut Runtime<Instance, Export, LocalImport, Memory, MemoryView, Store>, ) -> InstructionResult<()>
+            + Send
+            + Sync,
+    >;
 
 /// An interpreter is the central piece of this crate. It is a set of
 /// executable instructions. Each instruction takes the runtime as
@@ -121,31 +136,33 @@ pub(crate) type ExecutableInstruction<Instance, Export, LocalImport, Memory, Mem
 /// // 5. Read the stack to get the result.
 /// assert_eq!(stack.as_slice(), &[IValue::I32(7)]);
 /// ```
-pub struct Interpreter<Instance, Export, LocalImport, Memory, MemoryView>
+pub struct Interpreter<Instance, Export, LocalImport, Memory, MemoryView, Store>
 where
     Export: wasm::structures::Export,
-    LocalImport: wasm::structures::LocalImport,
-    Memory: wasm::structures::Memory<MemoryView>,
-    MemoryView: wasm::structures::MemoryView,
-    Instance: wasm::structures::Instance<Export, LocalImport, Memory, MemoryView>,
+    LocalImport: wasm::structures::LocalImport<Store>,
+    Memory: wasm::structures::Memory<MemoryView, Store>,
+    MemoryView: wasm::structures::MemoryView<Store>,
+    Instance: wasm::structures::Instance<Export, LocalImport, Memory, MemoryView, Store>,
+    Store: wasm::structures::Store,
 {
     executable_instructions:
-        Vec<ExecutableInstruction<Instance, Export, LocalImport, Memory, MemoryView>>,
+        Vec<ExecutableInstruction<Instance, Export, LocalImport, Memory, MemoryView, Store>>,
 }
 
-impl<Instance, Export, LocalImport, Memory, MemoryView>
-    Interpreter<Instance, Export, LocalImport, Memory, MemoryView>
+impl<Instance, Export, LocalImport, Memory, MemoryView, Store>
+    Interpreter<Instance, Export, LocalImport, Memory, MemoryView, Store>
 where
     Export: wasm::structures::Export,
-    LocalImport: wasm::structures::LocalImport,
-    Memory: wasm::structures::Memory<MemoryView>,
-    MemoryView: wasm::structures::MemoryView,
-    Instance: wasm::structures::Instance<Export, LocalImport, Memory, MemoryView>,
+    LocalImport: wasm::structures::LocalImport<Store>,
+    Memory: wasm::structures::Memory<MemoryView, Store>,
+    MemoryView: wasm::structures::MemoryView<Store>,
+    Instance: wasm::structures::Instance<Export, LocalImport, Memory, MemoryView, Store>,
+    Store: wasm::structures::Store,
 {
     fn iter(
         &self,
     ) -> impl Iterator<
-        Item = &ExecutableInstruction<Instance, Export, LocalImport, Memory, MemoryView>,
+        Item = &ExecutableInstruction<Instance, Export, LocalImport, Memory, MemoryView, Store>,
     > + '_ {
         self.executable_instructions.iter()
     }
@@ -159,11 +176,13 @@ where
         &self,
         invocation_inputs: &[IValue],
         wasm_instance: &mut Instance,
+        wasm_store: &mut <Store as wasm::structures::Store>::ActualStore<'_>,
     ) -> InterpreterResult<Stack<IValue>> {
         let mut runtime = Runtime {
             invocation_inputs,
             stack: Stack::new(),
             wasm_instance,
+            store: wasm_store,
             _phantom: PhantomData,
         };
 
@@ -176,14 +195,15 @@ where
 }
 
 /// Transforms a `Vec<Instruction>` into an `Interpreter`.
-impl<Instance, Export, LocalImport, Memory, MemoryView> TryFrom<Vec<Instruction>>
-    for Interpreter<Instance, Export, LocalImport, Memory, MemoryView>
+impl<Instance, Export, LocalImport, Memory, MemoryView, Store> TryFrom<Vec<Instruction>>
+    for Interpreter<Instance, Export, LocalImport, Memory, MemoryView, Store>
 where
     Export: wasm::structures::Export,
-    LocalImport: wasm::structures::LocalImport,
-    Memory: wasm::structures::Memory<MemoryView>,
-    MemoryView: wasm::structures::MemoryView,
-    Instance: wasm::structures::Instance<Export, LocalImport, Memory, MemoryView>,
+    LocalImport: wasm::structures::LocalImport<Store>,
+    Memory: wasm::structures::Memory<MemoryView, Store>,
+    MemoryView: wasm::structures::MemoryView<Store>,
+    Instance: wasm::structures::Instance<Export, LocalImport, Memory, MemoryView, Store>,
+    Store: wasm::structures::Store,
 {
     type Error = ();
 
diff --git a/wasmer-it/src/interpreter/wasm/structures.rs b/wasmer-it/src/interpreter/wasm/structures.rs
index be50a4e..d0f8ad3 100644
--- a/wasmer-it/src/interpreter/wasm/structures.rs
+++ b/wasmer-it/src/interpreter/wasm/structures.rs
@@ -4,7 +4,7 @@ use crate::ast::FunctionArg;
 use crate::IRecordType;
 use crate::IType;
 use crate::IValue;
-use std::rc::Rc;
+use std::sync::Arc;
 
 pub use it_memory_traits::{Memory, MemoryAccessError, MemoryView};
 use it_memory_traits::{MemoryReadable, MemoryWritable};
@@ -54,27 +54,34 @@ pub trait Export {
     fn call(&self, arguments: &[IValue]) -> Result<Vec<IValue>, ()>;
 }
 
-pub trait LocalImport {
+pub trait LocalImport<Store: self::Store> {
     fn name(&self) -> &str;
     fn inputs_cardinality(&self) -> usize;
     fn outputs_cardinality(&self) -> usize;
     fn arguments(&self) -> &[FunctionArg];
     fn outputs(&self) -> &[IType];
-    fn call(&self, arguments: &[IValue]) -> Result<Vec<IValue>, ()>;
+    fn call(
+        &self,
+        store: &mut <Store as self::Store>::ActualStore<'_>,
+        arguments: &[IValue],
+    ) -> Result<Vec<IValue>, ()>;
 }
 
-pub trait Instance<E, LI, M, MV>
+pub use it_memory_traits::Store;
+
+pub trait Instance<E, LI, M, MV, S>
 where
     E: Export,
-    LI: LocalImport,
-    M: Memory<MV>,
-    MV: MemoryView,
+    LI: LocalImport<S>,
+    M: Memory<MV, S>,
+    MV: MemoryView<S>,
+    S: Store,
 {
     fn export(&self, export_name: &str) -> Option<&E>;
     fn local_or_import<I: TypedIndex + LocalImportIndex>(&self, index: I) -> Option<&LI>;
     fn memory(&self, index: usize) -> Option<&M>;
     fn memory_view(&self, index: usize) -> Option<MV>;
-    fn wit_record_by_id(&self, index: u64) -> Option<&Rc<IRecordType>>;
+    fn wit_record_by_id(&self, index: u64) -> Option<&Arc<IRecordType>>;
 }
 
 impl Export for () {
@@ -103,7 +110,7 @@ impl Export for () {
     }
 }
 
-impl LocalImport for () {
+impl<Store: self::Store> LocalImport<Store> for () {
     fn name(&self) -> &str {
         ""
     }
@@ -124,35 +131,54 @@ impl LocalImport for () {
         &[]
     }
 
-    fn call(&self, _arguments: &[IValue]) -> Result<Vec<IValue>, ()> {
+    fn call(
+        &self,
+        _store: &mut <Store as self::Store>::ActualStore<'_>,
+        _arguments: &[IValue],
+    ) -> Result<Vec<IValue>, ()> {
         Err(())
     }
 }
 
 pub(crate) struct EmptyMemoryView;
 
-impl MemoryWritable for EmptyMemoryView {
-    fn write_byte(&self, _offset: u32, _value: u8) {}
+impl<S: Store> MemoryWritable<S> for EmptyMemoryView {
+    fn write_byte(&self, _store: &mut <S as Store>::ActualStore<'_>, _offset: u32, _value: u8) {}
 
-    fn write_bytes(&self, _offset: u32, _bytes: &[u8]) {}
+    fn write_bytes(&self, _store: &mut <S as Store>::ActualStore<'_>, _offset: u32, _bytes: &[u8]) {
+    }
 }
 
-impl MemoryReadable for EmptyMemoryView {
-    fn read_byte(&self, _offset: u32) -> u8 {
+impl<S: Store> MemoryReadable<S> for EmptyMemoryView {
+    fn read_byte(&self, _store: &mut <S as Store>::ActualStore<'_>, _offset: u32) -> u8 {
         0
     }
 
-    fn read_array<const COUNT: usize>(&self, _offset: u32) -> [u8; COUNT] {
+    fn read_array<const COUNT: usize>(
+        &self,
+        _store: &mut <S as Store>::ActualStore<'_>,
+        _offset: u32,
+    ) -> [u8; COUNT] {
         [0; COUNT]
     }
 
-    fn read_vec(&self, _offset: u32, _size: u32) -> Vec<u8> {
+    fn read_vec(
+        &self,
+        _store: &mut <S as Store>::ActualStore<'_>,
+        _offset: u32,
+        _size: u32,
+    ) -> Vec<u8> {
         Vec::default()
     }
 }
 
-impl MemoryView for EmptyMemoryView {
-    fn check_bounds(&self, offset: u32, size: u32) -> Result<(), MemoryAccessError> {
+impl<S: Store> MemoryView<S> for EmptyMemoryView {
+    fn check_bounds(
+        &self,
+        _store: &mut <S as Store>::ActualStore<'_>,
+        offset: u32,
+        size: u32,
+    ) -> Result<(), MemoryAccessError> {
         Err(MemoryAccessError::OutOfBounds {
             size,
             offset,
@@ -161,18 +187,19 @@ impl MemoryView for EmptyMemoryView {
     }
 }
 
-impl Memory<EmptyMemoryView> for () {
+impl<S: Store> Memory<EmptyMemoryView, S> for () {
     fn view(&self) -> EmptyMemoryView {
         EmptyMemoryView
     }
 }
 
-impl<E, LI, M, MV> Instance<E, LI, M, MV> for ()
+impl<E, LI, M, MV, S> Instance<E, LI, M, MV, S> for ()
 where
     E: Export,
-    LI: LocalImport,
-    M: Memory<MV>,
-    MV: MemoryView,
+    LI: LocalImport<S>,
+    M: Memory<MV, S>,
+    MV: MemoryView<S>,
+    S: Store,
 {
     fn export(&self, _export_name: &str) -> Option<&E> {
         None
@@ -190,7 +217,7 @@ where
         None
     }
 
-    fn wit_record_by_id(&self, _index: u64) -> Option<&Rc<IRecordType>> {
+    fn wit_record_by_id(&self, _index: u64) -> Option<&Arc<IRecordType>> {
         None
     }
 }
diff --git a/wasmer-it/src/macros.rs b/wasmer-it/src/macros.rs
index 897fad7..b791fe0 100644
--- a/wasmer-it/src/macros.rs
+++ b/wasmer-it/src/macros.rs
@@ -67,15 +67,16 @@ macro_rules! consume {
 /// Check the existing executable instruction to get more examples.
 macro_rules! executable_instruction {
     ($name:ident ( $($argument_name:ident: $argument_type:ty),* ) -> _ $implementation:block ) => {
-        pub(crate) fn $name<Instance, Export, LocalImport, Memory, MemoryView>(
+        pub(crate) fn $name<Instance, Export, LocalImport, Memory, MemoryView, Store>(
             $($argument_name: $argument_type),*
-        ) -> crate::interpreter::ExecutableInstruction<Instance, Export, LocalImport, Memory, MemoryView>
+        ) -> crate::interpreter::ExecutableInstruction<Instance, Export, LocalImport, Memory, MemoryView, Store>
         where
             Export: crate::interpreter::wasm::structures::Export,
-            LocalImport: crate::interpreter::wasm::structures::LocalImport,
-            Memory: crate::interpreter::wasm::structures::Memory<MemoryView>,
-            MemoryView: crate::interpreter::wasm::structures::MemoryView,
-            Instance: crate::interpreter::wasm::structures::Instance<Export, LocalImport, Memory, MemoryView>,
+            LocalImport: crate::interpreter::wasm::structures::LocalImport<Store>,
+            Memory: crate::interpreter::wasm::structures::Memory<MemoryView, Store>,
+            MemoryView: crate::interpreter::wasm::structures::MemoryView<Store>,
+            Instance: crate::interpreter::wasm::structures::Instance<Export, LocalImport, Memory, MemoryView, Store>,
+            Store: crate::interpreter::wasm::structures::Store,
         {
             #[allow(unused_imports)]
             use crate::interpreter::{stack::Stackable};