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GH-134282: Always borrow references LOAD_CONST (GH-134284)

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Mark Shannon 2025-05-20 11:24:11 -04:00 • committed by GitHub
parent f695eca60c
commit 6dcb0fdfe0
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17 changed files with 87 additions and 327 deletions
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13
Include/internal/pycore_stackref.h
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@ -134,12 +134,11 @@ _PyStackRef_FromPyObjectSteal(PyObject *obj, const char *filename, int linenumbe
#define PyStackRef_FromPyObjectSteal(obj) _PyStackRef_FromPyObjectSteal(_PyObject_CAST(obj), __FILE__, __LINE__)
static inline _PyStackRef
_PyStackRef_FromPyObjectImmortal(PyObject *obj, const char *filename, int linenumber)
_PyStackRef_FromPyObjectBorrow(PyObject *obj, const char *filename, int linenumber)
{
assert(_Py_IsImmortal(obj));
return _Py_stackref_create(obj, filename, linenumber);
}
#define PyStackRef_FromPyObjectImmortal(obj) _PyStackRef_FromPyObjectImmortal(_PyObject_CAST(obj), __FILE__, __LINE__)
#define PyStackRef_FromPyObjectBorrow(obj) _PyStackRef_FromPyObjectBorrow(_PyObject_CAST(obj), __FILE__, __LINE__)
static inline void
_PyStackRef_CLOSE(_PyStackRef ref, const char *filename, int linenumber)
@ -366,15 +365,14 @@ PyStackRef_FromPyObjectNew(PyObject *obj)
#define PyStackRef_FromPyObjectNew(obj) PyStackRef_FromPyObjectNew(_PyObject_CAST(obj))
static inline _PyStackRef
PyStackRef_FromPyObjectImmortal(PyObject *obj)
PyStackRef_FromPyObjectBorrow(PyObject *obj)
{
// Make sure we don't take an already tagged value.
assert(((uintptr_t)obj & Py_TAG_BITS) == 0);
assert(obj != NULL);
assert(_Py_IsImmortal(obj));
return (_PyStackRef){ .bits = (uintptr_t)obj | Py_TAG_DEFERRED };
}
#define PyStackRef_FromPyObjectImmortal(obj) PyStackRef_FromPyObjectImmortal(_PyObject_CAST(obj))
#define PyStackRef_FromPyObjectBorrow(obj) PyStackRef_FromPyObjectBorrow(_PyObject_CAST(obj))
#define PyStackRef_CLOSE(REF) \
do { \
@ -582,9 +580,8 @@ _PyStackRef_FromPyObjectNewMortal(PyObject *obj)
/* Create a new reference from an object with an embedded reference count */
static inline _PyStackRef
PyStackRef_FromPyObjectImmortal(PyObject *obj)
PyStackRef_FromPyObjectBorrow(PyObject *obj)
{
assert(_Py_IsImmortal(obj));
return (_PyStackRef){ .bits = (uintptr_t)obj | Py_TAG_REFCNT};
}