diff options
| -rw-r--r-- | bfd/ChangeLog | 5 | ||||
| -rw-r--r-- | bfd/elf32-ppc.c | 10 |
2 files changed, 14 insertions, 1 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 3e62721..101c34f 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -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> diff --git a/bfd/elf32-ppc.c b/bfd/elf32-ppc.c index 3c7999b..c4d352b 100644 --- a/bfd/elf32-ppc.c +++ b/bfd/elf32-ppc.c @@ -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; } } |