diff --git a/crates/starknet_os/src/hints.rs b/crates/starknet_os/src/hints.rs
index cfa8ccae57..eed34a0615 100644
--- a/crates/starknet_os/src/hints.rs
+++ b/crates/starknet_os/src/hints.rs
@@ -1,6 +1,7 @@
 pub mod block_context;
 pub mod bls_field;
 pub mod builtins;
+pub mod compiled_class;
 pub mod enum_definition;
 pub mod enum_generation;
 pub mod error;
diff --git a/crates/starknet_os/src/hints/compiled_class.rs b/crates/starknet_os/src/hints/compiled_class.rs
new file mode 100644
index 0000000000..2c4f3afba4
--- /dev/null
+++ b/crates/starknet_os/src/hints/compiled_class.rs
@@ -0,0 +1,49 @@
+use std::collections::HashMap;
+
+use cairo_vm::hint_processor::hint_processor_definition::HintReference;
+use cairo_vm::serde::deserialize_program::ApTracking;
+use cairo_vm::types::exec_scope::ExecutionScopes;
+use cairo_vm::vm::vm_core::VirtualMachine;
+use starknet_types_core::felt::Felt;
+
+use crate::hints::error::HintResult;
+
+pub fn assign_bytecode_segments(
+    _vm: &mut VirtualMachine,
+    _exec_scopes: &mut ExecutionScopes,
+    _ids_data: &HashMap<String, HintReference>,
+    _ap_tracking: &ApTracking,
+    _constants: &HashMap<String, Felt>,
+) -> HintResult {
+    todo!()
+}
+
+pub fn assert_end_of_bytecode_segments(
+    _vm: &mut VirtualMachine,
+    _exec_scopes: &mut ExecutionScopes,
+    _ids_data: &HashMap<String, HintReference>,
+    _ap_tracking: &ApTracking,
+    _constants: &HashMap<String, Felt>,
+) -> HintResult {
+    todo!()
+}
+
+pub fn iter_current_segment_info(
+    _vm: &mut VirtualMachine,
+    _exec_scopes: &mut ExecutionScopes,
+    _ids_data: &HashMap<String, HintReference>,
+    _ap_tracking: &ApTracking,
+    _constants: &HashMap<String, Felt>,
+) -> HintResult {
+    todo!()
+}
+
+pub fn set_ap_to_segment_hash(
+    _vm: &mut VirtualMachine,
+    _exec_scopes: &mut ExecutionScopes,
+    _ids_data: &HashMap<String, HintReference>,
+    _ap_tracking: &ApTracking,
+    _constants: &HashMap<String, Felt>,
+) -> HintResult {
+    todo!()
+}
diff --git a/crates/starknet_os/src/hints/enum_definition.rs b/crates/starknet_os/src/hints/enum_definition.rs
index dc424d0da8..3fc996c450 100644
--- a/crates/starknet_os/src/hints/enum_definition.rs
+++ b/crates/starknet_os/src/hints/enum_definition.rs
@@ -26,6 +26,12 @@ use crate::hints::block_context::{
 };
 use crate::hints::bls_field::compute_ids_low;
 use crate::hints::builtins::{select_builtin, selected_builtins, update_builtin_ptrs};
+use crate::hints::compiled_class::{
+    assert_end_of_bytecode_segments,
+    assign_bytecode_segments,
+    iter_current_segment_info,
+    set_ap_to_segment_hash,
+};
 use crate::hints::error::{HintExtensionResult, HintResult, OsHintError};
 use crate::hints::types::{HintEnum, HintExtensionImplementation, HintImplementation};
 use crate::{define_hint_enum, define_hint_extension_enum};
@@ -184,6 +190,45 @@ define_hint_enum!(
             ),
         )"#
         }
+    ),
+    (
+        AssignBytecodeSegments,
+        assign_bytecode_segments,
+        indoc! {r#"
+            bytecode_segments = iter(bytecode_segment_structure.segments)"#
+        }
+    ),
+    (
+        AssertEndOfBytecodeSegments,
+        assert_end_of_bytecode_segments,
+        indoc! {r#"
+            assert next(bytecode_segments, None) is None"#
+        }
+    ),
+    (
+        IterCurrentSegmentInfo,
+        iter_current_segment_info,
+        indoc! {r#"
+    current_segment_info = next(bytecode_segments)
+
+    is_used = current_segment_info.is_used
+    ids.is_segment_used = 1 if is_used else 0
+
+    is_used_leaf = is_used and isinstance(current_segment_info.inner_structure, BytecodeLeaf)
+    ids.is_used_leaf = 1 if is_used_leaf else 0
+
+    ids.segment_length = current_segment_info.segment_length
+    vm_enter_scope(new_scope_locals={
+        "bytecode_segment_structure": current_segment_info.inner_structure,
+    })"#
+        }
+    ),
+    (
+        SetApToSegmentHash,
+        set_ap_to_segment_hash,
+        indoc! {r#"
+            memory[ap] = to_felt_or_relocatable(bytecode_segment_structure.hash())"#
+        }
     )
 );