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* elf32-ppc.c (ppc_elf_finish_dynamic_symbol): Don't make PLT 

entries that could serve as a definition for a weak symbol.
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Geoffrey Keating 2000-10-14 23:30:12 +00:00
parent 5af5b85bc3
commit a4b120e1db
2 changed files with 14 additions and 1 deletions
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5
bfd/ChangeLog
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@ -1,3 +1,8 @@
2000-10-14 Geoffrey Keating <geoffk@shoggoth.cygnus.com>
* elf32-ppc.c (ppc_elf_finish_dynamic_symbol): Don't make PLT
entries that could serve as a definition for a weak symbol.
2000-10-13 Ulf Carlsson <ulfc@engr.sgi.com>
From Ralf Baechle <ralf@gnu.org>

10
bfd/elf32-ppc.c
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@ -1715,7 +1715,8 @@ ppc_elf_adjust_dynamic_symbol (info, h)
2. We know for certain that a symbol is defined in
this object, because this object is the application,
is linked with -Bsymbolic, or because the symbol is local.
is linked with -Bsymbolic, the symbol is local,
or because the symbol is protected or hidden.
3. GC has rendered the entry unused.
Note, however, that in an executable all references to the
@ -2675,6 +2676,13 @@ ppc_elf_finish_dynamic_symbol (output_bfd, info, h, sym)
/* Mark the symbol as undefined, rather than as defined in
the .plt section. Leave the value alone. */
sym->st_shndx = SHN_UNDEF;
/* If the symbol is weak, we do need to clear the value.
Otherwise, the PLT entry would provide a definition for
the symbol even if the symbol wasn't defined anywhere,
and so the symbol would never be NULL. */
if ((h->elf_link_hash_flags & ELF_LINK_HASH_REF_REGULAR_NONWEAK)
== 0)
sym->st_value = 0;
}
}