[Bug gold/14726] New: _init and _fini garbage collected

[amodra at gmail dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=14726



             Bug #: 14726

           Summary: _init and _fini garbage collected

           Product: binutils

           Version: 2.24 (HEAD)

            Status: NEW

          Severity: normal

          Priority: P2

         Component: gold

        AssignedTo: address@hidden

        ReportedBy: address@hidden

                CC: address@hidden

    Classification: Unclassified





Seen during mainline gcc bootstrap on powerpc64.  When building libstdc++, the

version script forces _init (and _fini) local, so these symbols are not

exported and the gc_mark_symbol at the end of symtab.cc:add_from_relobj is not

called.  On powerpc64 this results in crti.o .opd section being discarded which

in turn results in _init and DT_INIT having a value of zero.  _init code would

be discarded on powerpc64 and other targets if crti.o was built with

-ffunction-sections.



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