* elflink.h (elf_link_input_bfd): Don't zero discarded link-once
section sym values. Instead replace any relocs against them with relocs against STN_UNDEF, which has a zero value.
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2001-10-06 Alan Modra <amodra@bigpond.net.au>
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* elflink.h (elf_link_input_bfd): Don't zero discarded link-once
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section sym values. Instead replace any relocs against them with
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relocs against STN_UNDEF, which has a zero value.
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* elf32-arc.c (elf_arc_howto_table): Set partial_inplace for all
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relocs.
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@ -5993,20 +5993,6 @@ elf_link_input_bfd (finfo, input_bfd)
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if (ELF_ST_TYPE (isym->st_info) == STT_SECTION)
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{
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/* If this is a discarded link-once section symbol, set its
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value to 0. We should really undefine it, and complain
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if anything in the final link tries to use it, but
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DWARF-based exception handling might have an entry in
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.eh_frame to describe a routine in the linkonce section,
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and it turns out to be hard to remove the .eh_frame entry
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too. FIXME. */
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if (isec != NULL
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&& (bfd_get_section_flags (input_bfd, isec) & SEC_LINK_ONCE) != 0
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&& bfd_is_abs_section (isec->output_section))
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{
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isym->st_value = 0;
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}
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/* We never output section symbols. Instead, we use the
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section symbol of the corresponding section in the output
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file. */
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@ -6130,6 +6116,54 @@ elf_link_input_bfd (finfo, input_bfd)
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&& o->reloc_count > 0)
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return false;
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#if BFD_VERSION_DATE < 20031005
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{
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Elf_Internal_Rela *rel, *relend;
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/* Run through the relocs looking for any against section
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symbols from removed link-once sections. Set any such
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relocs to be against 0. We should really complain if
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anything in the final link tries to use it, but
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DWARF-based exception handling might have an entry in
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.eh_frame to describe a routine in the linkonce section,
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and it turns out to be hard to remove the .eh_frame entry
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too. FIXME. */
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rel = internal_relocs;
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relend = rel + o->reloc_count * bed->s->int_rels_per_ext_rel;
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for ( ; rel < relend; rel++)
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{
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unsigned long r_symndx = ELF_R_SYM (rel->r_info);
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if (r_symndx < locsymcount
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&& (!elf_bad_symtab (input_bfd)
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|| finfo->sections[r_symndx] != NULL))
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{
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isym = finfo->internal_syms + r_symndx;
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if (ELF_ST_TYPE (isym->st_info) == STT_SECTION)
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{
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asection *sec = finfo->sections[r_symndx];
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if (sec != NULL
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&& (sec->flags & SEC_LINK_ONCE) != 0
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&& bfd_is_abs_section (sec->output_section))
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{
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long r_type = ELF_R_TYPE (rel->r_info);
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rel->r_info = ELF_R_INFO (0, r_type);
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#if BFD_VERSION_DATE > 20021005
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(*finfo->info->callbacks->warning)
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(finfo->info,
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_("warning: relocation against removed section; zeroing"),
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NULL, input_bfd, o, rel->r_offset);
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#endif
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}
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}
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}
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}
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}
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#else
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#error "This kludge ought to be fixed properly in gcc by now"
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#endif
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/* Relocate the section by invoking a back end routine.
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The back end routine is responsible for adjusting the
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