[Bug libc/10087] New: STT_GNU_IFUNC handling doesn't work with function descriptor

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

dl-runtime.c has

  if (__builtin_expect (ELFW(ST_TYPE) (sym->st_info) == STT_GNU_IFUNC, 0)) 
    value = ((DL_FIXUP_VALUE_TYPE (*) (void)) value) (); 

The type of value is DL_FIXUP_VALUE_TYPE, which may be struct fdesc.
A new macro may be needed to call value.

-- 
           Summary: STT_GNU_IFUNC handling doesn't work with function
                    descriptor
           Product: glibc
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: libc
        AssignedTo: drepper at redhat dot com
        ReportedBy: hjl dot tools at gmail dot com
                CC: glibc-bugs at sources dot redhat dot com


http://sourceware.org/bugzilla/show_bug.cgi?id=10087

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