Group common symbol checking together
PR ld/19579 * elflink.c (_bfd_elf_merge_symbol): Group common symbol checking together.
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@ -1,3 +1,9 @@
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2016-03-08 H.J. Lu <hongjiu.lu@intel.com>
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PR ld/19579
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* elflink.c (_bfd_elf_merge_symbol): Group common symbol checking
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together.
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2016-03-08 Cupertino Miranda <Cupertino.Miranda@synopsys.com>
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Andrew Burgess <andrew.burgess@embecosm.com>
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@ -1172,12 +1172,9 @@ _bfd_elf_merge_symbol (bfd *abfd,
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newdef = !bfd_is_und_section (sec) && !bfd_is_com_section (sec);
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/* The old common symbol in executable is a definition if the new
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definition comes from a shared library. */
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olddef = (h->root.type != bfd_link_hash_undefined
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&& h->root.type != bfd_link_hash_undefweak
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&& (h->root.type != bfd_link_hash_common
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|| (!olddyn && newdyn && bfd_link_executable (info))));
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&& h->root.type != bfd_link_hash_common);
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/* NEWFUNC and OLDFUNC indicate whether the new or old symbol,
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respectively, appear to be a function. */
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@ -1489,13 +1486,16 @@ _bfd_elf_merge_symbol (bfd *abfd,
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represent variables; this can cause confusion in principle, but
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any such confusion would seem to indicate an erroneous program or
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shared library. We also permit a common symbol in a regular
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object to override a weak symbol in a shared object. */
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object to override a weak symbol in a shared object. A common
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symbol in executable also overrides a symbol in a shared object. */
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if (newdyn
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&& newdef
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&& (olddef
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|| (h->root.type == bfd_link_hash_common
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&& (newweak || newfunc))))
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&& (newweak
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|| newfunc
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|| (!olddyn && bfd_link_executable (info))))))
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{
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*override = TRUE;
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newdef = FALSE;
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