* linker.c (bfd_link_hash_traverse): Follow warning symbol link.

(_bfd_generic_link_write_global_symbol, fix_syms): Don't handle
	warning symbols here.
	* elf-m10300.c (elf32_mn10300_finish_hash_table_entry): Likewise.
	* elf32-arm.c (allocate_dynrelocs_for_symbol,
	elf32_arm_readonly_dynrelocs): Likewise.
	* elf32-bfin.c (bfin_discard_copies): Likewise.
	* elf32-cris.c (elf_cris_adjust_gotplt_to_got,
	elf_cris_discard_excess_dso_dynamics,
	elf_cris_discard_excess_program_dynamics): Likewise.
	* elf32-hppa.c (allocate_plt_static, allocate_dynrelocs,
	clobber_millicode_symbols, readonly_dynrelocs): Likewise.
	* elf32-i370.c (i370_elf_adjust_dynindx): Likewise.
	* elf32-i386.c (elf_i386_allocate_dynrelocs,
	elf_i386_readonly_dynrelocs): Likewise.
	* elf32-lm32.c (allocate_dynrelocs, readonly_dynrelocs): Likewise.
	* elf32-m32c.c (m32c_relax_plt_check, m32c_relax_plt_realloc): Likewise.
	* elf32-m32r.c (allocate_dynrelocs, readonly_dynrelocs): Likewise.
	* elf32-m68k.c (elf_m68k_discard_copies): Likewise.
	* elf32-microblaze.c (allocate_dynrelocs): Likewise.
	* elf32-ppc.c (allocate_dynrelocs, maybe_set_textrel): Likewise.
	* elf32-s390.c (allocate_dynrelocs, readonly_dynrelocs): Likewise.
	* elf32-score.c (score_elf_sort_hash_table_f): Likewise.
	* elf32-score7.c (score_elf_sort_hash_table_f): Likewise.
	* elf32-sh.c (allocate_dynrelocs, readonly_dynrelocs): Likewise.
	* elf32-tic6x.c (elf32_tic6x_allocate_dynrelocs,
	elf32_tic6x_readonly_dynrelocs): Likewise.
	* elf32-vax.c (elf_vax_discard_copies): Likewise.
	* elf32-xstormy16.c (xstormy16_relax_plt_check,
	xstormy16_relax_plt_realloc): Likewise.
	* elf32-xtensa.c (elf_xtensa_allocate_dynrelocs): Likewise.
	* elf64-alpha.c (elf64_alpha_output_extsym,
	elf64_alpha_calc_got_offsets_for_symbol,
	elf64_alpha_calc_dynrel_sizes, elf64_alpha_size_rela_got_1): Likewise.
	* elf64-hppa.c (elf64_hppa_mark_exported_functions,
	allocate_global_data_opd, elf64_hppa_mark_milli_and_exported_functions,
	elf_hppa_unmark_useless_dynamic_symbols,
	elf_hppa_remark_useless_dynamic_symbols): Likewise.
	* elf64-ppc.c (ppc64_elf_gc_mark_dynamic_ref, func_desc_adjust,
	adjust_opd_syms, adjust_toc_syms, allocate_dynrelocs,
	readonly_dynrelocs, merge_global_got, reallocate_got,
	undo_symbol_twiddle): Likewise.
	* elf64-s390.c (allocate_dynrelocs, readonly_dynrelocs): Likewise.
	* elf64-sh64.c (sh64_elf64_discard_copies): Likewise.
	* elf64-x86-64.c (elf_x86_64_allocate_dynrelocs,
	elf_x86_64_readonly_dynrelocs): Likewise.
	* elflink.c (elf_link_renumber_hash_table_dynsyms,
	elf_link_renumber_local_hash_table_dynsyms, _bfd_elf_export_symbol,
	_bfd_elf_link_find_version_dependencies,
	_bfd_elf_link_assign_sym_version, _bfd_elf_adjust_dynamic_symbol,
	_bfd_elf_link_sec_merge_syms, elf_adjust_dynstr_offsets,
	elf_collect_hash_codes, elf_collect_gnu_hash_codes,
	elf_renumber_gnu_hash_syms, elf_gc_sweep_symbol,
	elf_gc_propagate_vtable_entries_used,
	elf_gc_smash_unused_vtentry_relocs, bfd_elf_gc_mark_dynamic_ref_symbol,
	elf_gc_allocate_got_offsets): Likewise.
	* elfnn-ia64.c (elfNN_ia64_global_dyn_info_free,
	elfNN_ia64_global_dyn_sym_thunk): Likewise.
	* elfxx-mips.c (mips_elf_check_symbols, mips_elf_output_extsym,
	mips_elf_sort_hash_table_f, allocate_dynrelocs): Likewise.
	* elfxx-sparc.c (allocate_dynrelocs, readonly_dynrelocs): Likewise.
	* i386linux.c (linux_tally_symbols): Likewise.
	* m68klinux.c (linux_tally_symbols): Likewise.
	* sparclinux.c (linux_tally_symbols): Likewise.
	* sunos.c (sunos_scan_dynamic_symbol): Likewise.
	* xcofflink.c (xcoff_post_gc_symbol): Likewise.

	* elflink.c (elf_link_output_extsym): Make it a bfd_hash_traverse
	function.  Update all callers.
	* aoutx.h (aout_link_write_other_symbol): Likewise.
	* pdp11.c (aout_link_write_other_symbol): Likewise.
	* cofflink.c (_bfd_coff_write_global_sym): Likewise.
	* ecoff.c (ecoff_link_write_external): Likewise.
	* xcofflink.c (xcoff_write_global_symbol): Likewise.
	* vms-alpha.c (alpha_vms_link_output_symbol): Likewise.  Handle
	warning symbols.
	* ecoff.c (ecoff_link_hash_traverse): Delete.
	* coff-ppc.c (ppc_bfd_coff_final_link): Use bfd_hash_traverse for
	_bfd_coff_write_global_sym.
	* libcoff-in.h (_bfd_coff_write_global_sym): Update prototype.
	* libcoff.h: Regenerate.

bfd/elflink.c

@@ -722,9 +722,6 @@ elf_link_renumber_hash_table_dynsyms (struct elf_link_hash_entry *h,
 {
   size_t *count = (size_t *) data;
 
-  if (h->root.type == bfd_link_hash_warning)
-    h = (struct elf_link_hash_entry *) h->root.u.i.link;
-
   if (h->forced_local)
     return TRUE;
 
@@ -744,9 +741,6 @@ elf_link_renumber_local_hash_table_dynsyms (struct elf_link_hash_entry *h,
 {
   size_t *count = (size_t *) data;
 
-  if (h->root.type == bfd_link_hash_warning)
-    h = (struct elf_link_hash_entry *) h->root.u.i.link;
-
   if (!h->forced_local)
     return TRUE;
 
@@ -1812,16 +1806,13 @@ _bfd_elf_export_symbol (struct elf_link_hash_entry *h, void *data)
 {
   struct elf_info_failed *eif = (struct elf_info_failed *) data;
 
-  /* Ignore this if we won't export it.  */
-  if (!eif->info->export_dynamic && !h->dynamic)
-    return TRUE;
-
   /* Ignore indirect symbols.  These are added by the versioning code.  */
   if (h->root.type == bfd_link_hash_indirect)
     return TRUE;
 
-  if (h->root.type == bfd_link_hash_warning)
-    h = (struct elf_link_hash_entry *) h->root.u.i.link;
+  /* Ignore this if we won't export it.  */
+  if (!eif->info->export_dynamic && !h->dynamic)
+    return TRUE;
 
   if (h->dynindx == -1
       && (h->def_regular
@@ -1858,9 +1849,6 @@ _bfd_elf_link_find_version_dependencies (struct elf_link_hash_entry *h,
   Elf_Internal_Vernaux *a;
   bfd_size_type amt;
 
-  if (h->root.type == bfd_link_hash_warning)
-    h = (struct elf_link_hash_entry *) h->root.u.i.link;
-
   /* We only care about symbols defined in shared objects with version
      information.  */
   if (!h->def_dynamic
@@ -1946,9 +1934,6 @@ _bfd_elf_link_assign_sym_version (struct elf_link_hash_entry *h, void *data)
   sinfo = (struct elf_info_failed *) data;
   info = sinfo->info;
 
-  if (h->root.type == bfd_link_hash_warning)
-    h = (struct elf_link_hash_entry *) h->root.u.i.link;
-
   /* Fix the symbol flags.  */
   eif.failed = FALSE;
   eif.info = info;
@@ -2564,17 +2549,6 @@ _bfd_elf_adjust_dynamic_symbol (struct elf_link_hash_entry *h, void *data)
   if (! is_elf_hash_table (eif->info->hash))
     return FALSE;
 
-  if (h->root.type == bfd_link_hash_warning)
-    {
-      h->got = elf_hash_table (eif->info)->init_got_offset;
-      h->plt = elf_hash_table (eif->info)->init_plt_offset;
-
-      /* When warning symbols are created, they **replace** the "real"
-	 entry in the hash table, thus we never get to see the real
-	 symbol in a hash traversal.  So look at it now.  */
-      h = (struct elf_link_hash_entry *) h->root.u.i.link;
-    }
-
   /* Ignore indirect symbols.  These are added by the versioning code.  */
   if (h->root.type == bfd_link_hash_indirect)
     return TRUE;
@@ -2730,9 +2704,6 @@ _bfd_elf_link_sec_merge_syms (struct elf_link_hash_entry *h, void *data)
 {
   asection *sec;
 
-  if (h->root.type == bfd_link_hash_warning)
-    h = (struct elf_link_hash_entry *) h->root.u.i.link;
-
   if ((h->root.type == bfd_link_hash_defined
        || h->root.type == bfd_link_hash_defweak)
       && ((sec = h->root.u.def.section)->flags & SEC_MERGE)
@@ -3180,9 +3151,6 @@ elf_adjust_dynstr_offsets (struct elf_link_hash_entry *h, void *data)
 {
   struct elf_strtab_hash *dynstr = (struct elf_strtab_hash *) data;
 
-  if (h->root.type == bfd_link_hash_warning)
-    h = (struct elf_link_hash_entry *) h->root.u.i.link;
-
   if (h->dynindx != -1)
     h->dynstr_index = _bfd_elf_strtab_offset (dynstr, h->dynstr_index);
   return TRUE;
@@ -5175,9 +5143,6 @@ elf_collect_hash_codes (struct elf_link_hash_entry *h, void *data)
   unsigned long ha;
   char *alc = NULL;
 
-  if (h->root.type == bfd_link_hash_warning)
-    h = (struct elf_link_hash_entry *) h->root.u.i.link;
-
   /* Ignore indirect symbols.  These are added by the versioning code.  */
   if (h->dynindx == -1)
     return TRUE;
@@ -5246,9 +5211,6 @@ elf_collect_gnu_hash_codes (struct elf_link_hash_entry *h, void *data)
   unsigned long ha;
   char *alc = NULL;
 
-  if (h->root.type == bfd_link_hash_warning)
-    h = (struct elf_link_hash_entry *) h->root.u.i.link;
-
   /* Ignore indirect symbols.  These are added by the versioning code.  */
   if (h->dynindx == -1)
     return TRUE;
@@ -5299,9 +5261,6 @@ elf_renumber_gnu_hash_syms (struct elf_link_hash_entry *h, void *data)
   unsigned long int bucket;
   unsigned long int val;
 
-  if (h->root.type == bfd_link_hash_warning)
-    h = (struct elf_link_hash_entry *) h->root.u.i.link;
-
   /* Ignore indirect symbols.  */
   if (h->dynindx == -1)
     return TRUE;
@@ -8605,8 +8564,9 @@ elf_link_check_versioned_symbol (struct bfd_link_info *info,
    global symbols.  */
 
 static bfd_boolean
-elf_link_output_extsym (struct elf_link_hash_entry *h, void *data)
+elf_link_output_extsym (struct bfd_hash_entry *bh, void *data)
 {
+  struct elf_link_hash_entry *h = (struct elf_link_hash_entry *) bh;
   struct elf_outext_info *eoinfo = (struct elf_outext_info *) data;
   struct elf_final_link_info *finfo = eoinfo->finfo;
   bfd_boolean strip;
@@ -10822,8 +10782,7 @@ bfd_elf_final_link (bfd *abfd, struct bfd_link_info *info)
   eoinfo.failed = FALSE;
   eoinfo.finfo = &finfo;
   eoinfo.localsyms = TRUE;
-  elf_link_hash_traverse (elf_hash_table (info), elf_link_output_extsym,
-			  &eoinfo);
+  bfd_hash_traverse (&info->hash->table, elf_link_output_extsym, &eoinfo);
   if (eoinfo.failed)
     return FALSE;
 
@@ -10932,8 +10891,7 @@ bfd_elf_final_link (bfd *abfd, struct bfd_link_info *info)
   eoinfo.failed = FALSE;
   eoinfo.localsyms = FALSE;
   eoinfo.finfo = &finfo;
-  elf_link_hash_traverse (elf_hash_table (info), elf_link_output_extsym,
-			  &eoinfo);
+  bfd_hash_traverse (&info->hash->table, elf_link_output_extsym, &eoinfo);
   if (eoinfo.failed)
     return FALSE;
 
@@ -11687,9 +11645,6 @@ struct elf_gc_sweep_symbol_info
 static bfd_boolean
 elf_gc_sweep_symbol (struct elf_link_hash_entry *h, void *data)
 {
-  if (h->root.type == bfd_link_hash_warning)
-    h = (struct elf_link_hash_entry *) h->root.u.i.link;
-
   if ((h->root.type == bfd_link_hash_defined
        || h->root.type == bfd_link_hash_defweak)
       && !h->root.u.def.section->gc_mark
@@ -11801,9 +11756,6 @@ elf_gc_sweep (bfd *abfd, struct bfd_link_info *info)
 static bfd_boolean
 elf_gc_propagate_vtable_entries_used (struct elf_link_hash_entry *h, void *okp)
 {
-  if (h->root.type == bfd_link_hash_warning)
-    h = (struct elf_link_hash_entry *) h->root.u.i.link;
-
   /* Those that are not vtables.  */
   if (h->vtable == NULL || h->vtable->parent == NULL)
     return TRUE;
@@ -11865,9 +11817,6 @@ elf_gc_smash_unused_vtentry_relocs (struct elf_link_hash_entry *h, void *okp)
   const struct elf_backend_data *bed;
   unsigned int log_file_align;
 
-  if (h->root.type == bfd_link_hash_warning)
-    h = (struct elf_link_hash_entry *) h->root.u.i.link;
-
   /* Take care of both those symbols that do not describe vtables as
      well as those that are not loaded.  */
   if (h->vtable == NULL || h->vtable->parent == NULL)
@@ -11915,9 +11864,6 @@ bfd_elf_gc_mark_dynamic_ref_symbol (struct elf_link_hash_entry *h, void *inf)
 {
   struct bfd_link_info *info = (struct bfd_link_info *) inf;
 
-  if (h->root.type == bfd_link_hash_warning)
-    h = (struct elf_link_hash_entry *) h->root.u.i.link;
-
   if ((h->root.type == bfd_link_hash_defined
        || h->root.type == bfd_link_hash_defweak)
       && (h->ref_dynamic
@@ -12190,9 +12136,6 @@ elf_gc_allocate_got_offsets (struct elf_link_hash_entry *h, void *arg)
   bfd *obfd = gofarg->info->output_bfd;
   const struct elf_backend_data *bed = get_elf_backend_data (obfd);
 
-  if (h->root.type == bfd_link_hash_warning)
-    h = (struct elf_link_hash_entry *) h->root.u.i.link;
-
   if (h->got.refcount > 0)
     {
       h->got.offset = gofarg->gotoff;