From 60124e18308ef9e55661efd268dfbda72ff03f91 Mon Sep 17 00:00:00 2001 From: Alan Modra Date: Sun, 23 Oct 2005 13:12:09 +0000 Subject: [PATCH] * elf64-ppc.c (dec_dynrel_count): Don't report errors for local syms in gc'd sections. (ppc64_elf_edit_opd): Don't adjust reloc counts when NO_OPD_RELOCS. (elf_backend_action_discarded): Define. (ppc64_elf_action_discarded): New function. --- bfd/ChangeLog | 8 ++++++++ bfd/elf64-ppc.c | 42 ++++++++++++++++++++++++++++++++++-------- 2 files changed, 42 insertions(+), 8 deletions(-) diff --git a/bfd/ChangeLog b/bfd/ChangeLog index ef6222d..118c82d 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,11 @@ +2005-10-23 Alan Modra + + * elf64-ppc.c (dec_dynrel_count): Don't report errors for local + syms in gc'd sections. + (ppc64_elf_edit_opd): Don't adjust reloc counts when NO_OPD_RELOCS. + (elf_backend_action_discarded): Define. + (ppc64_elf_action_discarded): New function. + 2005-10-19 Paul Brook * elf32-arm.c (find_arm_elf_section_entry): New function. diff --git a/bfd/elf64-ppc.c b/bfd/elf64-ppc.c index 9bc2fcf..7f95918 100644 --- a/bfd/elf64-ppc.c +++ b/bfd/elf64-ppc.c @@ -95,6 +95,7 @@ static bfd_vma opd_entry_value #define elf_backend_hide_symbol ppc64_elf_hide_symbol #define elf_backend_always_size_sections ppc64_elf_func_desc_adjust #define elf_backend_size_dynamic_sections ppc64_elf_size_dynamic_sections +#define elf_backend_action_discarded ppc64_elf_action_discarded #define elf_backend_relocate_section ppc64_elf_relocate_section #define elf_backend_finish_dynamic_symbol ppc64_elf_finish_dynamic_symbol #define elf_backend_reloc_type_class ppc64_elf_reloc_type_class @@ -6120,15 +6121,24 @@ dec_dynrel_count (bfd_vma r_info, if (h != NULL) pp = &((struct ppc_link_hash_entry *) h)->dyn_relocs; - else if (sym_sec != NULL) - { - void *vpp = &elf_section_data (sym_sec)->local_dynrel; - pp = (struct ppc_dyn_relocs **) vpp; - } else { - void *vpp = &elf_section_data (sec)->local_dynrel; - pp = (struct ppc_dyn_relocs **) vpp; + if (sym_sec != NULL) + { + void *vpp = &elf_section_data (sym_sec)->local_dynrel; + pp = (struct ppc_dyn_relocs **) vpp; + } + else + { + void *vpp = &elf_section_data (sec)->local_dynrel; + pp = (struct ppc_dyn_relocs **) vpp; + } + + /* elf_gc_sweep may have already removed all dyn relocs associated + with local syms for a given section. Don't report a dynreloc + miscount. */ + if (*pp == NULL) + return TRUE; } while ((p = *pp) != NULL) @@ -6476,7 +6486,8 @@ ppc64_elf_edit_opd (bfd *obfd, struct bfd_link_info *info, if (skip) { - if (!info->relocatable + if (!NO_OPD_RELOCS + && !info->relocatable && !dec_dynrel_count (rel->r_info, sec, info, NULL, h, sym_sec)) goto error_ret; @@ -9454,6 +9465,21 @@ ppc64_elf_restore_symbols (struct bfd_link_info *info) elf_link_hash_traverse (&htab->elf, undo_symbol_twiddle, info); } +/* What to do when ld finds relocations against symbols defined in + discarded sections. */ + +static unsigned int +ppc64_elf_action_discarded (asection *sec) +{ + if (strcmp (".opd", sec->name) == 0) + return 0; + + if (strcmp (".toc", sec->name) == 0) + return 0; + + return _bfd_elf_default_action_discarded (sec); +} + /* The RELOCATE_SECTION function is called by the ELF backend linker to handle the relocations for a section. -- 2.7.4