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, 13 insertions, 13 deletions

diff --git a/bfd/elflink.c b/bfd/elflink.c
index 6756fb1..2d953b5 100644
--- a/bfd/elflink.c
+++ b/bfd/elflink.c
@@ -5488,7 +5488,7 @@ _bfd_elf_size_group_sections (struct bfd_link_info *info)
 {
   bfd *ibfd;
 
-  for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
+  for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
     if (bfd_get_flavour (ibfd) == bfd_target_elf_flavour
 	&& !_bfd_elf_fixup_group_sections (ibfd, bfd_abs_section_ptr))
       return FALSE;
@@ -5615,7 +5615,7 @@ bfd_elf_size_dynamic_sections (bfd *output_bfd,
 
       for (inputobj = info->input_bfds;
 	   inputobj;
-	   inputobj = inputobj->link_next)
+	   inputobj = inputobj->link.next)
 	{
 	  asection *s;
 
@@ -5881,7 +5881,7 @@ bfd_elf_size_dynamic_sections (bfd *output_bfd,
 	      asection *o;
 
 	      for (sub = info->input_bfds; sub != NULL;
-		   sub = sub->link_next)
+		   sub = sub->link.next)
 		if (bfd_get_flavour (sub) == bfd_target_elf_flavour)
 		  for (o = sub->sections; o != NULL; o = o->next)
 		    if (elf_section_data (o)->this_hdr.sh_type
@@ -6711,7 +6711,7 @@ _bfd_elf_merge_sections (bfd *abfd, struct bfd_link_info *info)
   if (!is_elf_hash_table (info->hash))
     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 ((ibfd->flags & DYNAMIC) == 0)
       for (sec = ibfd->sections; sec != NULL; sec = sec->next)
 	if ((sec->flags & SEC_MERGE) != 0
@@ -10929,7 +10929,7 @@ bfd_elf_final_link (bfd *abfd, struct bfd_link_info *info)
      we could write the relocs out and then read them again; I don't
      know how bad the memory loss will be.  */
 
-  for (sub = info->input_bfds; sub != NULL; sub = sub->link_next)
+  for (sub = info->input_bfds; sub != NULL; sub = sub->link.next)
     sub->output_has_begun = FALSE;
   for (o = abfd->sections; o != NULL; o = o->next)
     {
@@ -10991,7 +10991,7 @@ bfd_elf_final_link (bfd *abfd, struct bfd_link_info *info)
   /* Free symbol buffer if needed.  */
   if (!info->reduce_memory_overheads)
     {
-      for (sub = info->input_bfds; sub != NULL; sub = sub->link_next)
+      for (sub = info->input_bfds; sub != NULL; sub = sub->link.next)
 	if (bfd_get_flavour (sub) == bfd_target_elf_flavour
 	    && elf_tdata (sub)->symbuf)
 	  {
@@ -11677,7 +11677,7 @@ _bfd_elf_gc_mark_hook (asection *sec,
 	    {
 	      bfd *i;
 
-	      for (i = info->input_bfds; i; i = i->link_next)
+	      for (i = info->input_bfds; i; i = i->link.next)
 		{
 		  sec = bfd_get_section_by_name (i, sec_name);
 		  if (sec)
@@ -11826,7 +11826,7 @@ _bfd_elf_gc_mark_extra_sections (struct bfd_link_info *info,
 {
   bfd *ibfd;
 
-  for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
+  for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
     {
       asection *isec;
       bfd_boolean some_kept;
@@ -11954,7 +11954,7 @@ elf_gc_sweep (bfd *abfd, struct bfd_link_info *info)
   unsigned long section_sym_count;
   struct elf_gc_sweep_symbol_info sweep_info;
 
-  for (sub = info->input_bfds; sub != NULL; sub = sub->link_next)
+  for (sub = info->input_bfds; sub != NULL; sub = sub->link.next)
     {
       asection *o;
 
@@ -12207,7 +12207,7 @@ bfd_elf_gc_sections (bfd *abfd, struct bfd_link_info *info)
   /* Try to parse each bfd's .eh_frame section.  Point elf_eh_frame_section
      at the .eh_frame section if we can mark the FDEs individually.  */
   _bfd_elf_begin_eh_frame_parsing (info);
-  for (sub = info->input_bfds; sub != NULL; sub = sub->link_next)
+  for (sub = info->input_bfds; sub != NULL; sub = sub->link.next)
     {
       asection *sec;
       struct elf_reloc_cookie cookie;
@@ -12247,7 +12247,7 @@ bfd_elf_gc_sections (bfd *abfd, struct bfd_link_info *info)
 
   /* Grovel through relocs to find out who stays ...  */
   gc_mark_hook = bed->gc_mark_hook;
-  for (sub = info->input_bfds; sub != NULL; sub = sub->link_next)
+  for (sub = info->input_bfds; sub != NULL; sub = sub->link.next)
     {
       asection *o;
 
@@ -12556,7 +12556,7 @@ bfd_elf_gc_common_finalize_got_offsets (bfd *abfd,
     gotoff = bed->got_header_size;
 
   /* Do the local .got entries first.  */
-  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;
       bfd_size_type j, locsymcount;
@@ -12688,7 +12688,7 @@ bfd_elf_discard_info (bfd *output_bfd, struct bfd_link_info *info)
     return FALSE;
 
   _bfd_elf_begin_eh_frame_parsing (info);
-  for (abfd = info->input_bfds; abfd != NULL; abfd = abfd->link_next)
+  for (abfd = info->input_bfds; abfd != NULL; abfd = abfd->link.next)
     {
       if (bfd_get_flavour (abfd) != bfd_target_elf_flavour)
 	continue;