[Bug gold/24853] New: OSABI not set when STT_GNU_IFUNC or STB_GNU_UNIQUE symbols output

[amodra at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=24853

            Bug ID: 24853
           Summary: OSABI not set when STT_GNU_IFUNC or STB_GNU_UNIQUE
                    symbols output
           Product: binutils
           Version: 2.33 (HEAD)
            Status: NEW
          Severity: normal
          Priority: P2
         Component: gold
          Assignee: ccoutant at gmail dot com
          Reporter: amodra at gmail dot com
                CC: ian at airs dot com
  Target Milestone: ---

STT_GNU_IFUNC and STB_GNU_UNIQUE are both defined in the relevant LOOS to HIOS
range.  That means interpretation of symbols with this type or binding is
dependent on the value of the header EI_OSABI byte, and that object files using
these symbols should not be created having ELFOSABI_NONE.

Since git commit df3a023bd6, readelf has not displayed "IFUNC" for object files
with ELFOSABI_NONE, exposing this bug in gold by the failure of
ver_test_pr16504.

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