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bpo-47162: Add call trampoline to mitigate bad fpcasts on Emscripten (GH-32189)

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Christian Heimes 2022-03-30 22:28:33 +03:00 • committed by GitHub
parent 795c00b91c
commit 581c4434de
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8 changed files with 99 additions and 18 deletions
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6
Python/importdl.c
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@ -102,7 +102,7 @@ _PyImport_LoadDynamicModuleWithSpec(PyObject *spec, FILE *fp)
const char *oldcontext;
dl_funcptr exportfunc;
PyModuleDef *def;
PyObject *(*p0)(void);
PyModInitFunction p0;
name_unicode = PyObject_GetAttrString(spec, "name");
if (name_unicode == NULL) {
@ -157,7 +157,7 @@ _PyImport_LoadDynamicModuleWithSpec(PyObject *spec, FILE *fp)
goto error;
}
p0 = (PyObject *(*)(void))exportfunc;
p0 = (PyModInitFunction)exportfunc;
/* Package context is needed for single-phase init */
oldcontext = _Py_PackageContext;
@ -166,7 +166,7 @@ _PyImport_LoadDynamicModuleWithSpec(PyObject *spec, FILE *fp)
_Py_PackageContext = oldcontext;
goto error;
}
m = p0();
m = _PyImport_InitFunc_TrampolineCall(p0);
_Py_PackageContext = oldcontext;
if (m == NULL) {