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Hack around some hidden Python symbols.

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The _PyInterpreterFrame_GetLine() is hidden in dynamic libs so
roll our own variant of it.

Shuffle the old code so we always end up calling python_resolve_frame_line()
no matter the Python version.
This commit is contained in:
Joris Vink 2022-09-26 08:48:29 +02:00
parent d7cef82362
commit f34d21caa7
1 changed files with 22 additions and 9 deletions
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31
src/python.c
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@ -77,6 +77,7 @@ TAILQ_HEAD(reqcall_list, reqcall);
PyMODINIT_FUNC python_module_init(void);
static PyObject *python_import(const char *);
static int python_resolve_frame_line(void *);
static PyObject *pyconnection_alloc(struct connection *);
static PyObject *python_callable(PyObject *, const char *);
static void python_split_arguments(char *, char **, size_t);
@ -1183,6 +1184,24 @@ python_coro_suspend(struct python_coro *coro)
python_coro_trace("suspended", coro);
}
static int
python_resolve_frame_line(void *ptr)
{
int line;
#if PY_VERSION_HEX >= 0x030b0000
int addr;
_PyInterpreterFrame *frame;
frame = ptr;
addr = _PyInterpreterFrame_LASTI(frame) * sizeof(_Py_CODEUNIT);
line = PyCode_Addr2Line(frame->f_code, addr);
#else
line = PyFrame_GetLineNumber(ptr);
#endif
return (line);
}
static void
python_coro_trace(const char *label, struct python_coro *coro)
{
@ -1220,16 +1239,10 @@ python_coro_trace(const char *label, struct python_coro *coro)
fname = "unknown";
}
if (frame != NULL) {
#if PY_VERSION_HEX >= 0x030b0000
line = _PyInterpreterFrame_GetLine(frame);
#else
line = PyFrame_GetLineNumber(frame);
#endif
} else {
if (frame != NULL)
line = python_resolve_frame_line(frame);
else
line = -1;
}
if (coro->name) {
kore_log(LOG_NOTICE, "coro '%s' %s <%s> @ [%s:%d]",