http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24724
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |REOPENED
Last reconfirmed| |2012-09-13
Resolution|WONTFIX |
Ever Confirmed|0 |1
--- Comment #14 from H.J. Lu <hjl.tools at gmail dot com> 2012-09-13 13:43:42
UTC ---
(In reply to comment #13)
> There are two solutions to this:
>
> (1) Make sure your binary provides PT_GNU_EH_FRAME. This is the quickest
> path through the unwinder, since the table is pre-sorted by the linker.
This isn't the problem.
> (2) Have your malloc detect the recursion and return NULL. This will cause
> the unwinder to perform a linear search through the unsorted tables.
> It should not fail due to the fake out-of-memory condition, since it
> was designed to handle throwing an exception during a true OOM condition.
The problem is _Unwind_Find_FDE in unwind-dw2-fde.c
calls search_object to find FDE in the registered objects,
which is loaded unsorted from .eh_frame section. Can
we use .eh_frame_hdr section to load the sorted table
directly?
