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35 lines
928 B
Python
35 lines
928 B
Python
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#
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# gdb helper commands and functions for Linux kernel debugging
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#
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# common utilities
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#
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# Copyright (c) Siemens AG, 2011-2013
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#
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# Authors:
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# Jan Kiszka <jan.kiszka@siemens.com>
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#
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# This work is licensed under the terms of the GNU GPL version 2.
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#
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import gdb
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class CachedType:
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def __init__(self, name):
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self._type = None
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self._name = name
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def _new_objfile_handler(self, event):
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self._type = None
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gdb.events.new_objfile.disconnect(self._new_objfile_handler)
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def get_type(self):
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if self._type is None:
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self._type = gdb.lookup_type(self._name)
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if self._type is None:
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raise gdb.GdbError(
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"cannot resolve type '{0}'".format(self._name))
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if hasattr(gdb, 'events') and hasattr(gdb.events, 'new_objfile'):
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gdb.events.new_objfile.connect(self._new_objfile_handler)
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return self._type
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