https://sourceware.org/bugzilla/show_bug.cgi?id=12968
Cary Coutant <ccoutant at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |ccoutant at gmail dot com
Assignee|ian at airs dot com |ccoutant at gmail dot
com
--- Comment #19 from Cary Coutant <ccoutant at gmail dot com> ---
I have a feeling that this may be due to a bug in the way gold reverses the
contents of the .ctors sections as it moves them to .init_array. In
do_relocate(), we reverse the individual words of a .ctors section, but we do
not reverse the corresponding dynamic relocations. If every entry in a .ctors
section produces a RELATIVE relocation, it doesn't matter, but if, for some
reason, there's a different kind of relocation (or no relocation) on one or
more entries, this could cause a runtime crash as an entry that should have had
a RELATIVE relocation applied doesn't get relocated, or vice versa.
Now that GCC has been putting ctors in .init_array for quite a while now, this
bug is probably obsolete, but still ought to be fixed just because it has the
potential for causing a crash.
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