[llvm-bugs] [Bug 32425] Regression with Musl after adding support for outputting to /dev/null

via llvm-bugs llvm-bugs at lists.llvm.org
Mon Jun 12 13:00:58 PDT 2017


Rafael Ávila de Espíndola <rafael.espindola at gmail.com> changed:

           What    |Removed                     |Added
             Status|REOPENED                    |RESOLVED
         Resolution|---                         |FIXED

--- Comment #15 from Rafael Ávila de Espíndola <rafael.espindola at gmail.com> ---
(In reply to Rich Felker from comment #14)
> Even with the correct interpretation (semantic, not implementation-detail)
> protected still admits efficient calls inside a DSO -- there's no reason to
> make calls through the PLT, only expressions that evaluate the address have
> to take the [PLT]GOT entry into account.

And ABIs don't define which relocations are allowed only on calls.

Please stop reopening this. If you want to make a case for allowing protected
symbols to be preempted discuss that on generic-abic.

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