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Store actual ints, not pointers to them in the interpreter state. (GH-29274)

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Mark Shannon 2021-10-28 17:35:43 +01:00 • committed by GitHub
parent 13d9205f40
commit 4fc68560ea
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5 changed files with 10 additions and 21 deletions
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2
Include/internal/pycore_interp.h
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@ -335,7 +335,7 @@ struct _is {
The integers that are preallocated are those in the range
-_PY_NSMALLNEGINTS (inclusive) to _PY_NSMALLPOSINTS (not inclusive).
*/
PyLongObject* small_ints[_PY_NSMALLNEGINTS + _PY_NSMALLPOSINTS];
PyLongObject small_ints[_PY_NSMALLNEGINTS + _PY_NSMALLPOSINTS];
struct _Py_bytes_state bytes;
struct _Py_unicode_state unicode;
struct _Py_float_state float_state;

2
Include/internal/pycore_long.h
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@ -17,7 +17,7 @@ static inline PyObject* __PyLong_GetSmallInt_internal(int value)
PyInterpreterState *interp = _PyInterpreterState_GET();
assert(-_PY_NSMALLNEGINTS <= value && value < _PY_NSMALLPOSINTS);
size_t index = _PY_NSMALLNEGINTS + value;
PyObject *obj = (PyObject*)interp->small_ints[index];
PyObject *obj = (PyObject*)&interp->small_ints[index];
// _PyLong_GetZero(), _PyLong_GetOne() and get_small_int() must not be
// called before _PyLong_Init() nor after _PyLong_Fini().
assert(obj != NULL);

2
Include/internal/pycore_pylifecycle.h
View file

@ -53,7 +53,7 @@ extern PyStatus _PyUnicode_Init(PyInterpreterState *interp);
extern PyStatus _PyUnicode_InitTypes(void);
extern PyStatus _PyBytes_Init(PyInterpreterState *interp);
extern int _PyStructSequence_Init(void);
extern int _PyLong_Init(PyInterpreterState *interp);
extern void _PyLong_Init(PyInterpreterState *interp);
extern int _PyLong_InitTypes(void);
extern PyStatus _PyTuple_Init(PyInterpreterState *interp);
extern PyStatus _PyFaulthandler_Init(int enable);