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, 8 insertions, 8 deletions

diff --git a/bfd/elf32-arm.c b/bfd/elf32-arm.c
index 526d4f8..e0f1d1d 100644
--- a/bfd/elf32-arm.c
+++ b/bfd/elf32-arm.c
@@ -4436,7 +4436,7 @@ elf32_arm_setup_section_lists (bfd *output_bfd,
   /* Count the number of input BFDs and find the top input section id.  */
   for (input_bfd = info->input_bfds, bfd_count = 0, top_id = 0;
        input_bfd != NULL;
-       input_bfd = input_bfd->link_next)
+       input_bfd = input_bfd->link.next)
     {
       bfd_count += 1;
       for (section = input_bfd->sections;
@@ -5045,7 +5045,7 @@ elf32_arm_size_stubs (bfd *output_bfd,
       num_a8_fixes = 0;
       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;
@@ -10911,7 +10911,7 @@ elf32_arm_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;
 
@@ -12991,7 +12991,7 @@ elf32_arm_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;
 
@@ -13729,7 +13729,7 @@ elf32_arm_size_dynamic_sections (bfd * output_bfd ATTRIBUTE_UNUSED,
 
   /* 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;
@@ -13906,7 +13906,7 @@ elf32_arm_size_dynamic_sections (bfd * output_bfd ATTRIBUTE_UNUSED,
   elf_link_hash_traverse (& htab->root, allocate_dynrelocs_for_symbol, info);
 
   /* Here we rummage through the found bfds to collect glue information.  */
-  for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
+  for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
     {
       if (! is_arm_elf (ibfd))
 	continue;
@@ -15072,7 +15072,7 @@ elf32_arm_output_arch_local_syms (bfd *output_bfd,
      mapping symbols.  */
   for (input_bfd = info->input_bfds;
        input_bfd != NULL;
-       input_bfd = input_bfd->link_next)
+       input_bfd = input_bfd->link.next)
     {
       if ((input_bfd->flags & (BFD_LINKER_CREATED | HAS_SYMS)) == HAS_SYMS)
 	for (osi.sec = input_bfd->sections;
@@ -15230,7 +15230,7 @@ elf32_arm_output_arch_local_syms (bfd *output_bfd,
       elf_link_hash_traverse (&htab->root, elf32_arm_output_plt_map, &osi);
       for (input_bfd = info->input_bfds;
 	   input_bfd != NULL;
-	   input_bfd = input_bfd->link_next)
+	   input_bfd = input_bfd->link.next)
 	{
 	  struct arm_local_iplt_info **local_iplt;
 	  unsigned int i, num_syms;