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GH-100987: Allow objects other than code objects as the "executable" of an internal frame. (GH-105727)

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* Add table describing possible executable classes for out-of-process debuggers.

* Remove shim code object creation code as it is no longer needed.

* Make lltrace a bit more robust w.r.t. non-standard frames.
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Mark Shannon 2023-06-14 13:46:37 +01:00 • committed by GitHub
parent ad56340b66
commit 7199584ac8
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28 changed files with 541 additions and 606 deletions
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20
Python/pylifecycle.c
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@ -737,22 +737,6 @@ pycore_init_types(PyInterpreterState *interp)
return _PyStatus_OK();
}
static const uint8_t INTERPRETER_TRAMPOLINE_INSTRUCTIONS[] = {
/* Put a NOP at the start, so that the IP points into
* the code, rather than before it */
NOP, 0,
INTERPRETER_EXIT, 0,
/* RESUME at end makes sure that the frame appears incomplete */
RESUME, 0
};
static const _PyShimCodeDef INTERPRETER_TRAMPOLINE_CODEDEF = {
INTERPRETER_TRAMPOLINE_INSTRUCTIONS,
sizeof(INTERPRETER_TRAMPOLINE_INSTRUCTIONS),
1,
"<interpreter trampoline>"
};
static PyStatus
pycore_init_builtins(PyThreadState *tstate)
{
@ -786,10 +770,6 @@ pycore_init_builtins(PyThreadState *tstate)
PyObject *object__getattribute__ = _PyType_Lookup(&PyBaseObject_Type, &_Py_ID(__getattribute__));
assert(object__getattribute__);
interp->callable_cache.object__getattribute__ = object__getattribute__;
interp->interpreter_trampoline = _Py_MakeShimCode(&INTERPRETER_TRAMPOLINE_CODEDEF);
if (interp->interpreter_trampoline == NULL) {
return _PyStatus_ERR("failed to create interpreter trampoline.");
}
if (_PyBuiltins_AddExceptions(bimod) < 0) {
return _PyStatus_ERR("failed to add exceptions to builtins");
}