diff -r 2d2210b36b25 Tools/gdb/libpython.py --- a/Tools/gdb/libpython.py Tue Jan 24 15:05:30 2017 +0100 +++ b/Tools/gdb/libpython.py Wed Jan 25 10:26:55 2017 +0100 @@ -362,6 +362,7 @@ class PyObjectPtr(object): 'set' : PySetObjectPtr, 'frozenset' : PySetObjectPtr, 'builtin_function_or_method' : PyCFunctionObjectPtr, + 'method-wrapper': wrapperobject, } if tp_name in name_map: return name_map[tp_name] @@ -1330,6 +1331,39 @@ class PyUnicodeObjectPtr(PyObjectPtr): out.write(quote) +class wrapperobject(PyObjectPtr): + _typename = 'wrapperobject' + + def safe_name(self): + try: + name = self.field('descr')['d_base']['name'].string() + return repr(name) + except (NullPyObjectPtr, RuntimeError): + return '' + + def safe_tp_name(self): + try: + return self.field('self')['ob_type']['tp_name'].string() + except (NullPyObjectPtr, RuntimeError): + return '' + + def safe_self_addresss(self): + try: + address = long(self.field('self')) + return '%#x' % address + except (NullPyObjectPtr, RuntimeError): + return '' + + def proxyval(self, visited): + name = self.safe_name() + tp_name = self.safe_tp_name() + self_address = self.safe_self_addresss() + return ("" + % (name, tp_name, self_address)) + + def write_repr(self, out, visited): + proxy = self.proxyval(visited) + out.write(proxy) def int_from_int(gdbval): @@ -1364,11 +1398,13 @@ class PyObjectPtrPrinter: def pretty_printer_lookup(gdbval): type = gdbval.type.unqualified() - if type.code == gdb.TYPE_CODE_PTR: - type = type.target().unqualified() - t = str(type) - if t in ("PyObject", "PyFrameObject", "PyUnicodeObject"): - return PyObjectPtrPrinter(gdbval) + if type.code != gdb.TYPE_CODE_PTR: + return None + + type = type.target().unqualified() + t = str(type) + if t in ("PyObject", "PyFrameObject", "PyUnicodeObject", "wrapperobject"): + return PyObjectPtrPrinter(gdbval) """ During development, I've been manually invoking the code in this way: @@ -1520,6 +1556,13 @@ class Frame(object): except RuntimeError: return 'PyCFunction invocation (unable to read %s)' % arg_name + if caller == 'wrapper_call': + try: + func = frame.read_var('wp') + return str(func) + except RuntimeError: + return '' + # This frame isn't worth reporting: return False