bpo-40170: Move _Py_GetAllocatedBlocks() to pycore_pymem.h (GH-30943)

Move _Py_GetAllocatedBlocks() and _PyObject_DebugMallocStats()
declarations to pycore_pymem.h. These functions are related to memory
allocators, not to the PyObject structure.

Author: vstinner

Include/internal/pycore_object.h

@@ -232,15 +232,6 @@ extern void _PyObject_FreeInstanceAttributes(PyObject *self);
 extern int _PyObject_IsInstanceDictEmpty(PyObject *);
 extern PyObject* _PyType_GetSubclasses(PyTypeObject *);
 
-/* This function returns the number of allocated memory blocks, regardless of size */
-PyAPI_FUNC(Py_ssize_t) _Py_GetAllocatedBlocks(void);
-
-/* Macros */
-#ifdef WITH_PYMALLOC
-// Export the symbol for the 3rd party guppy3 project
-PyAPI_FUNC(int) _PyObject_DebugMallocStats(FILE *out);
-#endif
-
 #ifdef __cplusplus
 }
 #endif

Include/internal/pycore_pymem.h

@@ -99,6 +99,14 @@ PyAPI_DATA(struct _PyTraceMalloc_Config) _Py_tracemalloc_config;
 void *_PyObject_VirtualAlloc(size_t size);
 void _PyObject_VirtualFree(void *, size_t size);
 
+/* This function returns the number of allocated memory blocks, regardless of size */
+PyAPI_FUNC(Py_ssize_t) _Py_GetAllocatedBlocks(void);
+
+/* Macros */
+#ifdef WITH_PYMALLOC
+// Export the symbol for the 3rd party guppy3 project
+PyAPI_FUNC(int) _PyObject_DebugMallocStats(FILE *out);
+#endif
 
 #ifdef __cplusplus
 }

Objects/obmalloc.c

@@ -8,9 +8,6 @@
 /* Defined in tracemalloc.c */
 extern void _PyMem_DumpTraceback(int fd, const void *ptr);
 
-// Forward declaration
-int _PyObject_DebugMallocStats(FILE *out);
-
 
 /* Python's malloc wrappers (see pymem.h) */
 

Python/pylifecycle.c

@@ -19,6 +19,7 @@
 #include "pycore_pathconfig.h"    // _PyConfig_WritePathConfig()
 #include "pycore_pyerrors.h"      // _PyErr_Occurred()
 #include "pycore_pylifecycle.h"   // _PyErr_Print()
+#include "pycore_pymem.h"         // _PyObject_DebugMallocStats()
 #include "pycore_pystate.h"       // _PyThreadState_GET()
 #include "pycore_runtime_init.h"  // _PyRuntimeState_INIT
 #include "pycore_sliceobject.h"   // _PySlice_Fini()