[Bug runtime/10821] unwind_frame has an oversized frame

[mjw at redhat dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=10821

Mark Wielaard <mjw at redhat dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |mjw at redhat dot com

--- Comment #4 from Mark Wielaard <mjw at redhat dot com> 2010-11-04 19:42:43 UTC ---
(In reply to comment #3)
> It does add a few hundred bytes even for probes points that don't do unwinding,
> and currently only x86 uses the dwarf unwinder.

We discussed on irc, and if we unwind_state in the context data with
 #if defined(STP_USE_DWARF_UNWINDER) && defined(STP_NEED_UNWIND_DATA)
then it should only be included when really needed.

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