[Bug dynamic-link/17711] copy relocations against protected symbols don't work

["hjl.tools at gmail dot com" <sourceware-bugzilla at sourceware dot org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=17711

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |2.21

--- Comment #5 from H.J. Lu <hjl.tools at gmail dot com> ---
To properly support protected data in a DSO with copy relocation,
we need to keep track if a symbol has been copy relocated. We can
add an array of DSOes indexed with symbol index to record the
original DSOs for copy relocation.  This array will be created only
for DSOs with protected data on targets with copy relocation.  But
it still incurs run-time and memory overhead.  Do we really want
to do it?

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