bpo-35081: Add Include/internal/pycore_object.h (GH-10640)

Move _PyObject_GC_TRACK() and _PyObject_GC_UNTRACK() from
Include/objimpl.h to Include/internal/pycore_object.h.

1 files changed, 0 insertions, 45 deletions

diff --git a/Include/objimpl.h b/Include/objimpl.h
index b51b751..c455d4b 100644
--- a/Include/objimpl.h
+++ b/Include/objimpl.h
@@ -323,51 +323,6 @@ typedef struct {
     _PyGCHead_SET_FINALIZED(_Py_AS_GC(o))
 #endif   /* !defined(Py_LIMITED_API) */
 
-
-#if defined(Py_BUILD_CORE) || defined(Py_BUILD_CORE_BUILTIN)
-/* Tell the GC to track this object.
- *
- * NB: While the object is tracked by the collector, it must be safe to call the
- * ob_traverse method.
- *
- * Internal note: _PyRuntime.gc.generation0->_gc_prev doesn't have any bit flags
- * because it's not object header.  So we don't use _PyGCHead_PREV() and
- * _PyGCHead_SET_PREV() for it to avoid unnecessary bitwise operations.
- *
- * The PyObject_GC_Track() function is the public version of this macro.
- */
-#define _PyObject_GC_TRACK(o) do { \
-    PyGC_Head *g = _Py_AS_GC(o); \
-    if (g->_gc_next != 0) { \
-        Py_FatalError("GC object already tracked"); \
-    } \
-    assert((g->_gc_prev & _PyGC_PREV_MASK_COLLECTING) == 0); \
-    PyGC_Head *last = (PyGC_Head*)(_PyRuntime.gc.generation0->_gc_prev); \
-    _PyGCHead_SET_NEXT(last, g); \
-    _PyGCHead_SET_PREV(g, last); \
-    _PyGCHead_SET_NEXT(g, _PyRuntime.gc.generation0); \
-    _PyRuntime.gc.generation0->_gc_prev = (uintptr_t)g; \
-    } while (0);
-
-/* Tell the GC to stop tracking this object.
- *
- * Internal note: This may be called while GC.  So _PyGC_PREV_MASK_COLLECTING must
- * be cleared.  But _PyGC_PREV_MASK_FINALIZED bit is kept.
- *
- * The PyObject_GC_UnTrack() function is the public version of this macro.
- */
-#define _PyObject_GC_UNTRACK(o) do { \
-    PyGC_Head *g = _Py_AS_GC(o); \
-    PyGC_Head *prev = _PyGCHead_PREV(g); \
-    PyGC_Head *next = _PyGCHead_NEXT(g); \
-    assert(next != NULL); \
-    _PyGCHead_SET_NEXT(prev, next); \
-    _PyGCHead_SET_PREV(next, prev); \
-    g->_gc_next = 0; \
-    g->_gc_prev &= _PyGC_PREV_MASK_FINALIZED; \
-    } while (0);
-#endif   /* defined(Py_BUILD_CORE) || defined(Py_BUILD_CORE_BUILTIN) */
-
 #ifndef Py_LIMITED_API
 PyAPI_FUNC(PyObject *) _PyObject_GC_Malloc(size_t size);
 PyAPI_FUNC(PyObject *) _PyObject_GC_Calloc(size_t size);