/* MMIX-specific support for 64-bit ELF.
- Copyright 2001, 2002, 2003, 2004, 2005, 2006
+ Copyright 2001, 2002, 2003, 2004, 2005, 2006, 2007
Free Software Foundation, Inc.
Contributed by Hans-Peter Nilsson <hp@bitrange.com>
return NULL;
}
+static reloc_howto_type *
+bfd_elf64_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+ const char *r_name)
+{
+ unsigned int i;
+
+ for (i = 0;
+ i < sizeof (elf_mmix_howto_table) / sizeof (elf_mmix_howto_table[0]);
+ i++)
+ if (elf_mmix_howto_table[i].name != NULL
+ && strcasecmp (elf_mmix_howto_table[i].name, r_name) == 0)
+ return &elf_mmix_howto_table[i];
+
+ return NULL;
+}
+
static bfd_boolean
mmix_elf_new_section_hook (abfd, sec)
bfd *abfd;
r_symndx = ELF64_R_SYM (rel->r_info);
+ howto = elf_mmix_howto_table + ELF64_R_TYPE (rel->r_info);
+ h = NULL;
+ sym = NULL;
+ sec = NULL;
+
+ if (r_symndx < symtab_hdr->sh_info)
+ {
+ sym = local_syms + r_symndx;
+ sec = local_sections [r_symndx];
+ relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
+
+ name = bfd_elf_string_from_elf_section (input_bfd,
+ symtab_hdr->sh_link,
+ sym->st_name);
+ if (name == NULL)
+ name = bfd_section_name (input_bfd, sec);
+ }
+ else
+ {
+ bfd_boolean unresolved_reloc;
+
+ RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
+ r_symndx, symtab_hdr, sym_hashes,
+ h, sec, relocation,
+ unresolved_reloc, undefined_signalled);
+ name = h->root.root.string;
+ }
+
+ if (sec != NULL && elf_discarded_section (sec))
+ {
+ /* For relocs against symbols from removed linkonce sections,
+ or sections discarded by a linker script, we just want the
+ section contents zeroed. Avoid any special processing. */
+ _bfd_clear_contents (howto, input_bfd, contents + rel->r_offset);
+ rel->r_info = 0;
+ rel->r_addend = 0;
+ continue;
+ }
+
if (info->relocatable)
{
/* This is a relocatable link. For most relocs we don't have to
change anything, unless the reloc is against a section
symbol, in which case we have to adjust according to where
the section symbol winds up in the output section. */
- if (r_symndx < symtab_hdr->sh_info)
- {
- sym = local_syms + r_symndx;
-
- if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
- {
- sec = local_sections [r_symndx];
- rel->r_addend += sec->output_offset + sym->st_value;
- }
- }
+ if (sym != NULL && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
+ rel->r_addend += sec->output_offset;
/* For PUSHJ stub relocs however, we may need to change the
reloc and the section contents, if the reloc doesn't reach
continue;
}
- /* This is a final link. */
- howto = elf_mmix_howto_table + ELF64_R_TYPE (rel->r_info);
- h = NULL;
- sym = NULL;
- sec = NULL;
-
- if (r_symndx < symtab_hdr->sh_info)
- {
- sym = local_syms + r_symndx;
- sec = local_sections [r_symndx];
- relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
-
- name = bfd_elf_string_from_elf_section (input_bfd,
- symtab_hdr->sh_link,
- sym->st_name);
- if (name == NULL)
- name = bfd_section_name (input_bfd, sec);
- }
- else
- {
- bfd_boolean unresolved_reloc;
-
- RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
- r_symndx, symtab_hdr, sym_hashes,
- h, sec, relocation,
- unresolved_reloc, undefined_signalled);
- name = h->root.root.string;
- }
-
r = mmix_final_link_relocate (howto, input_section,
contents, rel->r_offset,
rel->r_addend, relocation, name, sec);
#define elf_backend_check_relocs mmix_elf_check_relocs
#define elf_backend_symbol_processing mmix_elf_symbol_processing
+#define elf_backend_omit_section_dynsym \
+ ((bfd_boolean (*) (bfd *, struct bfd_link_info *, asection *)) bfd_true)
#define bfd_elf64_bfd_is_local_label_name \
mmix_elf_is_local_label_name