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GH-107263: Increase C stack limit for most functions, except _PyEval_EvalFrameDefault() (GH-107535)

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* Set C recursion limit to 1500, set cost of eval loop to 2 frames, and compiler mutliply to 2.
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Mark Shannon 2023-08-04 10:10:29 +01:00 • committed by GitHub
parent 0bd784b355
commit fa45958450
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21 changed files with 57 additions and 45 deletions
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8
Python/ceval.c
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@ -624,6 +624,11 @@ extern const struct _PyCode_DEF(8) _Py_InitCleanup;
# pragma warning(disable:4102)
#endif
/* _PyEval_EvalFrameDefault() is a *big* function,
* so consume 3 units of C stack */
#define PY_EVAL_C_STACK_UNITS 2
PyObject* _Py_HOT_FUNCTION
_PyEval_EvalFrameDefault(PyThreadState *tstate, _PyInterpreterFrame *frame, int throwflag)
{
@ -676,6 +681,7 @@ _PyEval_EvalFrameDefault(PyThreadState *tstate, _PyInterpreterFrame *frame, int
frame->previous = &entry_frame;
cframe.current_frame = frame;
tstate->c_recursion_remaining -= (PY_EVAL_C_STACK_UNITS - 1);
if (_Py_EnterRecursiveCallTstate(tstate, "")) {
tstate->c_recursion_remaining--;
tstate->py_recursion_remaining--;
@ -907,7 +913,7 @@ exit_unwind:
/* Restore previous cframe and exit */
tstate->cframe = cframe.previous;
assert(tstate->cframe->current_frame == frame->previous);
_Py_LeaveRecursiveCallTstate(tstate);
tstate->c_recursion_remaining += PY_EVAL_C_STACK_UNITS;
return NULL;
}