Delete relocations associatesd with deleted exidx entries.

[deliverable/binutils-gdb.git] / bfd / elflink.c

diff --git a/bfd/elflink.c b/bfd/elflink.c
index 9e9a33cb352ca533fbc629c5c7c1535ad6a3c09c..e35ce02129f6fe725ff9e66db63ff9ca2684fab3 100644 (file)
--- a/bfd/elflink.c
+++ b/bfd/elflink.c
@@ -2449,13 +2449,23 @@ _bfd_elf_link_read_relocs (bfd *abfd,
    section header for a section containing relocations for O.  */
 
 static bfd_boolean
-_bfd_elf_link_size_reloc_section (bfd *abfd,
-                                 struct bfd_elf_section_reloc_data *reldata)
+_bfd_elf_link_size_reloc_section (bfd *abfd, struct bfd_link_info *info,
+                                 asection *o, bfd_boolean rela)
 {
-  Elf_Internal_Shdr *rel_hdr = reldata->hdr;
+  struct bfd_elf_section_data *esdo;
+  const struct elf_backend_data *bed;
+  struct bfd_elf_section_reloc_data *reldata;
+  Elf_Internal_Shdr *rel_hdr;
+  unsigned int count;
+
+  esdo = elf_section_data (o);
+  reldata = rela ? &esdo->rela : &esdo->rel;
+  rel_hdr = reldata->hdr;
 
   /* That allows us to calculate the size of the section.  */
-  rel_hdr->sh_size = rel_hdr->sh_entsize * reldata->count;
+  bed = get_elf_backend_data (abfd);
+  count = (*bed->elf_backend_count_output_relocs) (info, o, rela);
+  rel_hdr->sh_size = count * rel_hdr->sh_entsize;
 
   /* The contents field must last into write_object_contents, so we
      allocate it with bfd_alloc rather than malloc.  Also since we
@@ -2543,6 +2553,20 @@ _bfd_elf_link_output_relocs (bfd *output_bfd,
 
   return TRUE;
 }
+
+unsigned int
+_bfd_elf_default_count_output_relocs (struct bfd_link_info *  info ATTRIBUTE_UNUSED,
+                                     asection *              o,
+                                     bfd_boolean             rela)
+{
+  struct bfd_elf_section_data *esdo;
+  struct bfd_elf_section_reloc_data *reldata;
+
+  esdo = elf_section_data (o);
+  reldata = rela ? &esdo->rela : &esdo->rel;
+
+  return reldata->count;
+}
 \f
 /* Make weak undefined symbols in PIE dynamic.  */
 
@@ -11286,12 +11310,12 @@ bfd_elf_final_link (bfd *abfd, struct bfd_link_info *info)
   for (o = abfd->sections; o != NULL; o = o->next)
     {
       struct bfd_elf_section_data *esdo = elf_section_data (o);
+      unsigned int additional_reloc_count = 0;
       o->reloc_count = 0;
 
       for (p = o->map_head.link_order; p != NULL; p = p->next)
        {
          unsigned int reloc_count = 0;
-         unsigned int additional_reloc_count = 0;
          struct bfd_elf_section_data *esdi = NULL;
 
          if (p->type == bfd_section_reloc_link_order
@@ -11377,21 +11401,14 @@ bfd_elf_final_link (bfd *abfd, struct bfd_link_info *info)
          if (reloc_count == 0)
            continue;
 
-         reloc_count += additional_reloc_count;
          o->reloc_count += reloc_count;
 
          if (p->type == bfd_indirect_link_order && emit_relocs)
            {
              if (esdi->rel.hdr)
-               {
                  esdo->rel.count += NUM_SHDR_ENTRIES (esdi->rel.hdr);
-                 esdo->rel.count += additional_reloc_count;
-               }
              if (esdi->rela.hdr)
-               {
                  esdo->rela.count += NUM_SHDR_ENTRIES (esdi->rela.hdr);
-                 esdo->rela.count += additional_reloc_count;
-               }
            }
          else
            {
@@ -11402,7 +11419,7 @@ bfd_elf_final_link (bfd *abfd, struct bfd_link_info *info)
            }
        }
 
-      if (o->reloc_count > 0)
+      if (o->reloc_count > 0 || additional_reloc_count > 0)
        o->flags |= SEC_RELOC;
       else
        {
@@ -11440,11 +11457,11 @@ bfd_elf_final_link (bfd *abfd, struct bfd_link_info *info)
       if ((o->flags & SEC_RELOC) != 0)
        {
          if (esdo->rel.hdr
-             && !(_bfd_elf_link_size_reloc_section (abfd, &esdo->rel)))
+             && !(_bfd_elf_link_size_reloc_section (abfd, info, o, FALSE)))
            goto error_return;
 
          if (esdo->rela.hdr
-             && !(_bfd_elf_link_size_reloc_section (abfd, &esdo->rela)))
+             && !(_bfd_elf_link_size_reloc_section (abfd, info, o, TRUE)))
            goto error_return;
        }