RustPython
diff --git a/crates/capi/src/lib.rs b/crates/capi/src/lib.rs
@@ -25,6 +25,7 @@ pub mod longobject;
 pub mod methodobject;
 pub mod moduleobject;
 pub mod object;
+pub mod objimpl;
 pub mod osmodule;
 pub mod pycapsule;
 pub mod pyerrors;

diff --git a/crates/capi/src/objimpl.rs b/crates/capi/src/objimpl.rs
@@ -0,0 +1,82 @@
+use crate::PyObject;
+use crate::pymem::{PyMem_Calloc, PyMem_Free, PyMem_Malloc, PyMem_Realloc};
+use crate::pystate::with_vm;
+use core::ffi::{c_int, c_void};
+use rustpython_vm::gc_state;
+
+#[unsafe(no_mangle)]
+pub unsafe extern "C" fn PyObject_GC_Track(op: *mut PyObject) {
+    with_vm(|_vm| {
+        let obj = unsafe { &*op };
+        if !obj.is_gc_tracked() {
+            unsafe { gc_state::gc_state().track_object(obj.into()) };
+        }
+    })
+}
+
+#[unsafe(no_mangle)]
+pub unsafe extern "C" fn PyObject_GC_UnTrack(op: *mut PyObject) {
+    with_vm(|_vm| {
+        let obj = unsafe { &*op };
+        if obj.is_gc_tracked() {
+            unsafe { gc_state::gc_state().untrack_object(obj.into()) };
+        }
+    })
+}
+
+#[unsafe(no_mangle)]
+pub unsafe extern "C" fn PyObject_GC_IsTracked(op: *mut PyObject) -> c_int {
+    with_vm(|_vm| unsafe { (&*op).is_gc_tracked() })
+}
+
+#[unsafe(no_mangle)]
+pub unsafe extern "C" fn PyObject_GC_IsFinalized(op: *mut PyObject) -> c_int {
+    with_vm(|_vm| unsafe { (&*op).gc_finalized() })
+}
+
+#[unsafe(no_mangle)]
+pub extern "C" fn PyGC_Collect() -> isize {
+    let result = gc_state::gc_state().collect(2);
+    (result.collected + result.uncollectable) as isize
+}
+
+#[unsafe(no_mangle)]
+pub extern "C" fn PyGC_Enable() -> c_int {
+    let gc = gc_state::gc_state();
+    let was_enabled = gc.is_enabled();
+    gc.enable();
+    was_enabled.into()
+}
+
+#[unsafe(no_mangle)]
+pub extern "C" fn PyGC_Disable() -> c_int {
+    let gc = gc_state::gc_state();
+    let was_enabled = gc.is_enabled();
+    gc.disable();
+    was_enabled.into()
+}
+
+#[unsafe(no_mangle)]
+pub extern "C" fn PyGC_IsEnabled() -> c_int {
+    gc_state::gc_state().is_enabled().into()
+}
+
+#[unsafe(no_mangle)]
+pub unsafe extern "C" fn PyObject_Malloc(size: usize) -> *mut c_void {
+    unsafe { PyMem_Malloc(size) }
+}
+
+#[unsafe(no_mangle)]
+pub unsafe extern "C" fn PyObject_Calloc(nelem: usize, elsize: usize) -> *mut c_void {
+    unsafe { PyMem_Calloc(nelem, elsize) }
+}
+
+#[unsafe(no_mangle)]
+pub unsafe extern "C" fn PyObject_Realloc(ptr: *mut c_void, new_size: usize) -> *mut c_void {
+    unsafe { PyMem_Realloc(ptr, new_size) }
+}
+
+#[unsafe(no_mangle)]
+pub unsafe extern "C" fn PyObject_Free(ptr: *mut c_void) {
+    unsafe { PyMem_Free(ptr) }
+}
diff --git a/crates/vm/src/object/core.rs b/crates/vm/src/object/core.rs
@@ -1654,7 +1654,7 @@ impl PyObject {
     /// Check if the object has been finalized (__del__ already called).
     /// _PyGC_FINALIZED in Py_GIL_DISABLED mode.
     #[inline]
-    pub(crate) fn gc_finalized(&self) -> bool {
+    pub fn gc_finalized(&self) -> bool {
         GcBits::from_bits_retain(self.0.gc_bits.load(Ordering::Relaxed)).contains(GcBits::FINALIZED)
     }