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, 3 insertions, 3 deletions

diff --git a/bfd/elf32-tic6x.c b/bfd/elf32-tic6x.c
index e3e897c..8381cfa 100644
--- a/bfd/elf32-tic6x.c
+++ b/bfd/elf32-tic6x.c
@@ -1919,7 +1919,7 @@ elf32_tic6x_gc_mark_extra_sections (struct bfd_link_info *info,
   while (again)
     {
       again = FALSE;
-      for (sub = info->input_bfds; sub != NULL; sub = sub->link_next)
+      for (sub = info->input_bfds; sub != NULL; sub = sub->link.next)
 	{
 	  asection *o;
 
@@ -3309,7 +3309,7 @@ elf32_tic6x_size_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
 
   /* 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)
     {
       bfd_signed_vma *local_got;
       bfd_signed_vma *end_local_got;
@@ -4051,7 +4051,7 @@ elf32_tic6x_fix_exidx_coverage (asection **text_section_order,
 
   /* Walk over all EXIDX sections, and create backlinks from the corrsponding
      text sections.  */
-  for (inp = info->input_bfds; inp != NULL; inp = inp->link_next)
+  for (inp = info->input_bfds; inp != NULL; inp = inp->link.next)
     {
       asection *sec;