Make bfd.link_next field a union

This field of struct bfd is currently only used to chain together
linker input files.  This patch prepares to use the field to stash
the linker hash table, which is always created on the linker output
file.

bfd/
	* bfd.c (struct bfd): Replace link_next with a union.
	* aoutx.h, * bfd.c, * coff-ppc.c, * coff-rs6000.c, * cofflink.c,
	* ecoff.c, * elf-m10300.c, * elf32-arm.c, * elf32-avr.c,
	* elf32-hppa.c, * elf32-i386.c, * elf32-lm32.c, * elf32-m32c.c,
	* elf32-m32r.c, * elf32-m68hc1x.c, * elf32-metag.c,
	* elf32-microblaze.c, * elf32-nds32.c, * elf32-nios2.c,
	* elf32-or1k.c, * elf32-ppc.c, * elf32-rl78.c, * elf32-s390.c,
	* elf32-score.c, * elf32-score7.c, * elf32-sh.c, * elf32-spu.c,
	* elf32-tic6x.c, * elf32-tilepro.c, * elf32-xstormy16.c,
	* elf32-xtensa.c, * elf64-alpha.c, * elf64-hppa.c, * elf64-ia64-vms.c,
	* elf64-mmix.c, * elf64-ppc.c, * elf64-s390.c, * elf64-x86-64.c,
	* elflink.c, * elfnn-aarch64.c, * elfxx-mips.c, * elfxx-sparc.c,
	* elfxx-tilegx.c, * linker.c, * pdp11.c, * peXXigen.c, * simple.c,
	* sunos.c, * vms-alpha.c, * xcofflink.c: Update for above.
	* bfd-in2.h: Regenerate.
include/
	* bfdlink.h: Update for bfd.link_next change.
ld/
	* emultempl/cr16elf.em, * emultempl/elf32.em, * emultempl/genelf.em,
	* emultempl/m68kcoff.em, * emultempl/m68kelf.em,
	* emultempl/nds32elf.em, * emultempl/pe.em, * emultempl/pep.em,
	* ldlang.c, * ldmain.c, * pe-dll.c: Update for bfd.link_next change.

1 files changed, 15 insertions, 15 deletions

diff --git a/bfd/elf64-ppc.c b/bfd/elf64-ppc.c
index b8d7465..1d5d4ab 100644
--- a/bfd/elf64-ppc.c
+++ b/bfd/elf64-ppc.c
@@ -7558,7 +7558,7 @@ ppc64_elf_edit_opd (struct bfd_link_info *info)
   if (htab == NULL)
     return FALSE;
 
-  for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
+  for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
     {
       asection *sec;
       Elf_Internal_Rela *relstart, *rel, *relend;
@@ -8105,7 +8105,7 @@ ppc64_elf_tls_optimize (struct bfd_link_info *info)
      and plt refcounts.  */
   toc_ref = NULL;
   for (pass = 0; pass < 2; ++pass)
-    for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
+    for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
       {
 	Elf_Internal_Sym *locsyms = NULL;
 	asection *toc = bfd_get_section_by_name (ibfd, ".toc");
@@ -8602,7 +8602,7 @@ ppc64_elf_edit_toc (struct bfd_link_info *info)
 
   htab->do_toc_opt = 1;
   toc_inf.global_toc_syms = TRUE;
-  for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
+  for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
     {
       asection *toc, *sec;
       Elf_Internal_Shdr *symtab_hdr;
@@ -9662,7 +9662,7 @@ ppc64_elf_size_dynamic_sections (bfd *output_bfd,
 
   /* Set up .got offsets for local syms, and space for local dynamic
      relocs.  */
-  for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
+  for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
     {
       struct got_entry **lgot_ents;
       struct got_entry **end_lgot_ents;
@@ -9784,7 +9784,7 @@ ppc64_elf_size_dynamic_sections (bfd *output_bfd,
     elf_link_hash_traverse (&htab->elf, size_global_entry_stubs, info);
 
   first_tlsld = NULL;
-  for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
+  for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
     {
       struct got_entry *ent;
 
@@ -9892,7 +9892,7 @@ ppc64_elf_size_dynamic_sections (bfd *output_bfd,
 	return FALSE;
     }
 
-  for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
+  for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
     {
       if (!is_ppc64_elf (ibfd))
 	continue;
@@ -11071,7 +11071,7 @@ ppc64_elf_setup_section_lists (struct bfd_link_info *info)
   /* Find the top input section id.  */
   for (input_bfd = info->input_bfds, top_id = 3;
        input_bfd != NULL;
-       input_bfd = input_bfd->link_next)
+       input_bfd = input_bfd->link.next)
     {
       for (section = input_bfd->sections;
 	   section != NULL;
@@ -11252,7 +11252,7 @@ ppc64_elf_layout_multitoc (struct bfd_link_info *info)
   elf_link_hash_traverse (&htab->elf, merge_global_got, info);
 
   /* And tlsld_got.  */
-  for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
+  for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
     {
       struct got_entry *ent, *ent2;
 
@@ -11263,7 +11263,7 @@ ppc64_elf_layout_multitoc (struct bfd_link_info *info)
       if (!ent->is_indirect
 	  && ent->got.offset != (bfd_vma) -1)
 	{
-	  for (ibfd2 = ibfd->link_next; ibfd2 != NULL; ibfd2 = ibfd2->link_next)
+	  for (ibfd2 = ibfd->link.next; ibfd2 != NULL; ibfd2 = ibfd2->link.next)
 	    {
 	      if (!is_ppc64_elf (ibfd2))
 		continue;
@@ -11285,7 +11285,7 @@ ppc64_elf_layout_multitoc (struct bfd_link_info *info)
   htab->elf.irelplt->size -= htab->got_reli_size;
   htab->got_reli_size = 0;
 
-  for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
+  for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
     {
       asection *got, *relgot;
 
@@ -11305,7 +11305,7 @@ ppc64_elf_layout_multitoc (struct bfd_link_info *info)
 
   /* Now reallocate the got, local syms first.  We don't need to
      allocate section contents again since we never increase size.  */
-  for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
+  for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
     {
       struct got_entry **lgot_ents;
       struct got_entry **end_lgot_ents;
@@ -11362,7 +11362,7 @@ ppc64_elf_layout_multitoc (struct bfd_link_info *info)
 
   elf_link_hash_traverse (&htab->elf, reallocate_got, info);
 
-  for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
+  for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
     {
       struct got_entry *ent;
 
@@ -11386,7 +11386,7 @@ ppc64_elf_layout_multitoc (struct bfd_link_info *info)
 
   done_something = htab->elf.irelplt->rawsize != htab->elf.irelplt->size;
   if (!done_something)
-    for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
+    for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
       {
 	asection *got;
 
@@ -11953,7 +11953,7 @@ ppc64_elf_size_stubs (struct bfd_link_info *info)
 
       for (input_bfd = info->input_bfds, bfd_indx = 0;
 	   input_bfd != NULL;
-	   input_bfd = input_bfd->link_next, bfd_indx++)
+	   input_bfd = input_bfd->link.next, bfd_indx++)
 	{
 	  Elf_Internal_Shdr *symtab_hdr;
 	  asection *section;
@@ -15064,7 +15064,7 @@ ppc64_elf_finish_dynamic_sections (bfd *output_bfd,
   /* We need to handle writing out multiple GOT sections ourselves,
      since we didn't add them to DYNOBJ.  We know dynobj is the first
      bfd.  */
-  while ((dynobj = dynobj->link_next) != NULL)
+  while ((dynobj = dynobj->link.next) != NULL)
     {
       asection *s;