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, 7 insertions, 7 deletions

diff --git a/bfd/elf32-xtensa.c b/bfd/elf32-xtensa.c
index adc0a02..09862e3 100644
--- a/bfd/elf32-xtensa.c
+++ b/bfd/elf32-xtensa.c
@@ -1561,7 +1561,7 @@ elf_xtensa_allocate_local_got_size (struct bfd_link_info *info)
   if (htab == NULL)
     return;
 
-  for (i = info->input_bfds; i; i = i->link_next)
+  for (i = info->input_bfds; i; i = i->link.next)
     {
       bfd_signed_vma *local_got_refcounts;
       bfd_size_type j, cnt;
@@ -1700,7 +1700,7 @@ elf_xtensa_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
 	 literal tables.  */
       sgotloc = htab->sgotloc;
       sgotloc->size = spltlittbl->size;
-      for (abfd = info->input_bfds; abfd != NULL; abfd = abfd->link_next)
+      for (abfd = info->input_bfds; abfd != NULL; abfd = abfd->link.next)
 	{
 	  if (abfd->flags & DYNAMIC)
 	    continue;
@@ -6746,14 +6746,14 @@ analyze_relocations (struct bfd_link_info *link_info)
   bfd_boolean is_relaxable = FALSE;
 
   /* Initialize the per-section relaxation info.  */
-  for (abfd = link_info->input_bfds; abfd != NULL; abfd = abfd->link_next)
+  for (abfd = link_info->input_bfds; abfd != NULL; abfd = abfd->link.next)
     for (sec = abfd->sections; sec != NULL; sec = sec->next)
       {
 	init_xtensa_relax_info (sec);
       }
 
   /* Mark relaxable sections (and count relocations against each one).  */
-  for (abfd = link_info->input_bfds; abfd != NULL; abfd = abfd->link_next)
+  for (abfd = link_info->input_bfds; abfd != NULL; abfd = abfd->link.next)
     for (sec = abfd->sections; sec != NULL; sec = sec->next)
       {
 	if (!find_relaxable_sections (abfd, sec, link_info, &is_relaxable))
@@ -6765,7 +6765,7 @@ analyze_relocations (struct bfd_link_info *link_info)
     return TRUE;
 
   /* Allocate space for source_relocs.  */
-  for (abfd = link_info->input_bfds; abfd != NULL; abfd = abfd->link_next)
+  for (abfd = link_info->input_bfds; abfd != NULL; abfd = abfd->link.next)
     for (sec = abfd->sections; sec != NULL; sec = sec->next)
       {
 	xtensa_relax_info *relax_info;
@@ -6782,7 +6782,7 @@ analyze_relocations (struct bfd_link_info *link_info)
       }
 
   /* Collect info on relocations against each relaxable section.  */
-  for (abfd = link_info->input_bfds; abfd != NULL; abfd = abfd->link_next)
+  for (abfd = link_info->input_bfds; abfd != NULL; abfd = abfd->link.next)
     for (sec = abfd->sections; sec != NULL; sec = sec->next)
       {
 	if (!collect_source_relocs (abfd, sec, link_info))
@@ -6790,7 +6790,7 @@ analyze_relocations (struct bfd_link_info *link_info)
       }
 
   /* Compute the text actions.  */
-  for (abfd = link_info->input_bfds; abfd != NULL; abfd = abfd->link_next)
+  for (abfd = link_info->input_bfds; abfd != NULL; abfd = abfd->link.next)
     for (sec = abfd->sections; sec != NULL; sec = sec->next)
       {
 	if (!compute_text_actions (abfd, sec, link_info))