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-avr.c b/bfd/elf32-avr.c
index 45710a1..60a2c7f 100644
--- a/bfd/elf32-avr.c
+++ b/bfd/elf32-avr.c
@@ -2822,7 +2822,7 @@ elf32_avr_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;
@@ -2896,7 +2896,7 @@ get_local_syms (bfd *input_bfd, struct bfd_link_info *info)
      export stubs.  */
   for (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;
 
@@ -2973,7 +2973,7 @@ elf32_avr_size_stubs (bfd *output_bfd,
       bfd_hash_traverse (&htab->bstab, avr_mark_stub_not_to_be_necessary, htab);
       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;