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[Bug libc/15407] Partial frame info in sysdeps/x86_64/start.S


http://sourceware.org/bugzilla/show_bug.cgi?id=15407

--- Comment #3 from Jan Kratochvil <jan.kratochvil at redhat dot com> 2013-04-26 19:31:57 UTC ---
(In reply to comment #1)
> Can't GDB stop unwind when frame pointer is 0?

While GDB is not 100% zero-correct an address 0 is a perfectly valid address,
for both SP and PC, at least in embedded targets.

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