[GR-77490] Implement support for loading abi3t extensions.

abi/abi3t-missing-linux.txt

@@ -0,0 +1,64 @@
+FUNC PyEval_AcquireLock
+FUNC PyEval_CallFunction
+FUNC PyEval_CallMethod
+FUNC PyEval_ReleaseLock
+FUNC PyInterpreterGuard_Close
+FUNC PyInterpreterGuard_FromCurrent
+FUNC PyInterpreterGuard_FromView
+FUNC PyInterpreterView_Close
+FUNC PyInterpreterView_FromCurrent
+FUNC PyInterpreterView_FromMain
+FUNC PyIter_NextItem
+FUNC PyLongWriter_Create
+FUNC PyLongWriter_Discard
+FUNC PyLongWriter_Finish
+FUNC PyLong_AsInt32
+FUNC PyLong_AsInt64
+FUNC PyLong_AsUInt32
+FUNC PyLong_AsUInt64
+FUNC PyLong_Export
+FUNC PyLong_FreeExport
+FUNC PyLong_FromInt32
+FUNC PyLong_FromInt64
+FUNC PyLong_FromUInt32
+FUNC PyLong_FromUInt64
+FUNC PyLong_GetNativeLayout
+FUNC PyObject_GetTypeData_DuringGC
+FUNC PySys_AddWarnOption
+FUNC PySys_AddWarnOptionUnicode
+FUNC PySys_AddXOption
+FUNC PySys_GetAttr
+FUNC PySys_GetAttrString
+FUNC PySys_GetOptionalAttr
+FUNC PySys_GetOptionalAttrString
+FUNC PySys_HasWarnOptions
+FUNC PySys_SetPath
+FUNC PyThreadState_Ensure
+FUNC PyThreadState_EnsureFromView
+FUNC PyThreadState_Release
+FUNC PyType_Freeze
+FUNC PyType_FromSlots
+FUNC PyType_GetBaseByToken
+FUNC PyType_GetBaseByToken_DuringGC
+FUNC PyType_GetModuleByToken
+FUNC PyType_GetModuleByToken_DuringGC
+FUNC PyType_GetModuleState_DuringGC
+FUNC PyType_GetModule_DuringGC
+FUNC PyUnicode_Equal
+OBJECT Py_FileSystemDefaultEncodeErrors
+OBJECT Py_HasFileSystemDefaultEncoding
+FUNC Py_IS_TYPE
+FUNC Py_PACK_FULL_VERSION
+FUNC Py_PACK_VERSION
+FUNC Py_SET_SIZE
+FUNC Py_SIZE
+FUNC Py_SetPath
+FUNC Py_TYPE
+FUNC _PyState_AddModule
+FUNC _PyThreadState_Init
+FUNC _PyThreadState_Prealloc
+OBJECT _Py_EllipsisObject
+OBJECT _Py_FalseStruct
+OBJECT _Py_NoneStruct
+OBJECT _Py_NotImplementedStruct
+OBJECT _Py_TrueStruct

abi/suppressions-graalpy253.ini

@@ -0,0 +1,4 @@
+[suppress_function]
+  label = Experimental ABI3T functions
+  symbol_name_regexp = ^(PyABIInfo_Check|PyModule_Exec|PyModule_FromSlotsAndSpec|PyModule_GetStateSize|PyModule_GetState_DuringGC|PyModule_GetToken|PyModule_GetToken_DuringGC)$
+  drop = true

capi-abis.toml

@@ -0,0 +1,19 @@
+# C API signature and export profiles. Paths are relative to the repository root.
+
+[profiles.GRAALPY]
+python_version = "3.13"
+source_ref = "v3.13.14"
+mode = "full"
+defines = []
+inventory = "graalpython/com.oracle.graal.python.cext/CAPIFunctions.txt"
+
+[profiles.ABI3T]
+parent = "GRAALPY"
+python_version = "3.15"
+source_ref = "v3.15.0rc1"
+mode = "stable"
+defines = ["Py_TARGET_ABI3T=0x030f0000"]
+inventory = "graalpython/com.oracle.graal.python.cext/CAPIFunctions-ABI3T.txt"
+export_manifest = "abi/abi3t-linux.txt"
+missing_symbols = "abi/abi3t-missing-linux.txt"
+disabled_features = ["MS_WINDOWS", "Py_REF_DEBUG", "USE_STACKCHECK"]