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27-Oct-2014 |
Christopher Ferris <cferris@google.com> |
Fix aarch64 handling of error code.
In the is_signal_frame call, there is an error return path that can
return a non-zero value. Unfortunately, only zero is considered an
error, so this causes the frame to be handled incorrectly.
Once this was fixed, I also modified the code so that if the treating
the unwind as in a signal frame fails, we can fall back and try a couple
of different paths.
It turns out this is_signal_frame check was broken on arm too.
Bug: 18100846
Change-Id: I519aea7594352be60df665457eb2986ab4f0f513
/external/libunwind/src/aarch64/Gis_signal_frame.c
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