libbacktrace, version 2022-07-09

Copyright (C) 2012-2022 Free Software Foundation, Inc.

Copyright (C) 2012-2016 Free Software Foundation, Inc.
Written by Ian Lance Taylor, Google.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:

 (1) Redistributions of source code must retain the above copyright
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 (2) Redistributions in binary form must reproduce the above copyright
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 the documentation and/or other materials provided with the
 distribution.

 (3) The name of the author may not be used to
 endorse or promote products derived from this software without
 specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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