Stowage/cpython
2
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-12-08 06:10:17 +00:00
Code Issues Projects Releases Packages Wiki Activity

gh-137210: Add a struct, slot & function for checking an extension's ABI (GH-137212)

Browse source 
Co-authored-by: Steve Dower <steve.dower@microsoft.com>
This commit is contained in:
Petr Viktorin 2025-09-05 16:23:18 +02:00 • committed by GitHub
parent c1a9c23195
commit 0c74fc8af0
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
24 changed files with 654 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

66
Include/modsupport.h
View file

@ -134,6 +134,72 @@ PyAPI_FUNC(PyObject *) PyModule_FromDefAndSpec2(PyModuleDef *def,
#endif /* New in 3.5 */
/* ABI info & checking (new in 3.15) */
#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x030f0000
typedef struct PyABIInfo {
uint8_t abiinfo_major_version;
uint8_t abiinfo_minor_version;
uint16_t flags;
uint32_t build_version;
uint32_t abi_version;
} PyABIInfo;
#define PyABIInfo_STABLE 0x0001
#define PyABIInfo_GIL 0x0002
#define PyABIInfo_FREETHREADED 0x0004
#define PyABIInfo_INTERNAL 0x0008
#define PyABIInfo_FREETHREADING_AGNOSTIC (PyABIInfo_GIL|PyABIInfo_FREETHREADED)
PyAPI_FUNC(int) PyABIInfo_Check(PyABIInfo *info, const char *module_name);
// Define the defaults
#ifdef Py_LIMITED_API
#define _PyABIInfo_DEFAULT_FLAG_STABLE PyABIInfo_STABLE
#if Py_LIMITED_API == 3
#define PyABIInfo_DEFAULT_ABI_VERSION _Py_PACK_VERSION(3, 2)
#else
#define PyABIInfo_DEFAULT_ABI_VERSION Py_LIMITED_API
#endif
#else
#define _PyABIInfo_DEFAULT_FLAG_STABLE 0
#define PyABIInfo_DEFAULT_ABI_VERSION PY_VERSION_HEX
#endif
#if defined(Py_LIMITED_API) && defined(_Py_OPAQUE_PYOBJECT)
#define _PyABIInfo_DEFAULT_FLAG_FT PyABIInfo_FREETHREADING_AGNOSTIC
#elif defined(Py_GIL_DISABLED)
#define _PyABIInfo_DEFAULT_FLAG_FT PyABIInfo_FREETHREADED
#else
#define _PyABIInfo_DEFAULT_FLAG_FT PyABIInfo_GIL
#endif
#if defined(Py_BUILD_CORE)
#define _PyABIInfo_DEFAULT_FLAG_INTERNAL PyABIInfo_INTERNAL
#else
#define _PyABIInfo_DEFAULT_FLAG_INTERNAL 0
#endif
#define PyABIInfo_DEFAULT_FLAGS ( \
_PyABIInfo_DEFAULT_FLAG_STABLE \
| _PyABIInfo_DEFAULT_FLAG_FT \
| _PyABIInfo_DEFAULT_FLAG_INTERNAL \
) \
/////////////////////////////////////////////////////////
#define _PyABIInfo_DEFAULT() { \
1, 0, \
PyABIInfo_DEFAULT_FLAGS, \
PY_VERSION_HEX, \
PyABIInfo_DEFAULT_ABI_VERSION } \
/////////////////////////////////////////////////////////
#define PyABIInfo_VAR(NAME) \
static PyABIInfo NAME = _PyABIInfo_DEFAULT;
#undef _PyABIInfo_DEFAULT_STABLE
#undef _PyABIInfo_DEFAULT_FT
#undef _PyABIInfo_DEFAULT_INTERNAL
#endif /* ABI info (new in 3.15) */
#ifndef Py_LIMITED_API
# define Py_CPYTHON_MODSUPPORT_H
# include "cpython/modsupport.h"