From 2cfe385f317489c865330d320a13f045812fd723 Mon Sep 17 00:00:00 2001 From: Geoffrey Keating Date: Sat, 14 Oct 2000 23:30:12 +0000 Subject: [PATCH] * elf32-ppc.c (ppc_elf_finish_dynamic_symbol): Don't make PLT entries that could serve as a definition for a weak symbol. --- bfd/ChangeLog | 5 +++++ bfd/elf32-ppc.c | 10 +++++++++- 2 files changed, 14 insertions(+), 1 deletion(-) diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 3e62721a9..101c34f3d 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,8 @@ +2000-10-14 Geoffrey Keating + + * 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 From Ralf Baechle diff --git a/bfd/elf32-ppc.c b/bfd/elf32-ppc.c index 3c7999b76..c4d352bec 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; } } -- 2.11.4.GIT