Fix excessive memory allocation attempts and possible integer overfloaws when attempt...

[deliverable/binutils-gdb.git] / bfd / elf32-tic6x.c

diff --git a/bfd/elf32-tic6x.c b/bfd/elf32-tic6x.c
index bcce8003709444add6408ff4f86440db436fe43b..ef6f1c1bf702de18a6f8386a88a07612b5ffe9b1 100644 (file)
--- a/bfd/elf32-tic6x.c
+++ b/bfd/elf32-tic6x.c
@@ -1971,90 +1971,6 @@ elf32_tic6x_fake_sections (bfd *abfd ATTRIBUTE_UNUSED,
   return TRUE;
 }
 
-/* Update the got entry reference counts for the section being removed.  */
-
-static bfd_boolean
-elf32_tic6x_gc_sweep_hook (bfd *abfd,
-                          struct bfd_link_info *info,
-                          asection *sec,
-                          const Elf_Internal_Rela *relocs)
-{
-  struct elf32_tic6x_link_hash_table *htab;
-  Elf_Internal_Shdr *symtab_hdr;
-  struct elf_link_hash_entry **sym_hashes;
-  bfd_signed_vma *local_got_refcounts;
-  const Elf_Internal_Rela *rel, *relend;
-
-  if (bfd_link_relocatable (info))
-    return TRUE;
-
-  htab = elf32_tic6x_hash_table (info);
-  if (htab == NULL)
-    return FALSE;
-
-  elf_section_data (sec)->local_dynrel = NULL;
-
-  symtab_hdr = &elf_symtab_hdr (abfd);
-  sym_hashes = elf_sym_hashes (abfd);
-  local_got_refcounts = elf_local_got_refcounts (abfd);
-
-  relend = relocs + sec->reloc_count;
-  for (rel = relocs; rel < relend; rel++)
-    {
-      unsigned long r_symndx;
-      unsigned int r_type;
-      struct elf_link_hash_entry *h = NULL;
-
-      r_symndx = ELF32_R_SYM (rel->r_info);
-      if (r_symndx >= symtab_hdr->sh_info)
-       {
-         struct elf32_tic6x_link_hash_entry *eh;
-         struct elf_dyn_relocs **pp;
-         struct elf_dyn_relocs *p;
-
-         h = sym_hashes[r_symndx - symtab_hdr->sh_info];
-         while (h->root.type == bfd_link_hash_indirect
-                || h->root.type == bfd_link_hash_warning)
-           h = (struct elf_link_hash_entry *) h->root.u.i.link;
-         eh = (struct elf32_tic6x_link_hash_entry *) h;
-
-         for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
-           if (p->sec == sec)
-             {
-               /* Everything must go for SEC.  */
-               *pp = p->next;
-               break;
-             }
-       }
-
-      r_type = ELF32_R_TYPE (rel->r_info);
-
-      switch (r_type)
-       {
-       case R_C6000_SBR_GOT_U15_W:
-       case R_C6000_SBR_GOT_L16_W:
-       case R_C6000_SBR_GOT_H16_W:
-       case R_C6000_EHTYPE:
-         if (h != NULL)
-           {
-             if (h->got.refcount > 0)
-               h->got.refcount -= 1;
-           }
-         else if (local_got_refcounts != NULL)
-           {
-             if (local_got_refcounts[r_symndx] > 0)
-               local_got_refcounts[r_symndx] -= 1;
-           }
-         break;
-
-       default:
-         break;
-       }
-    }
-
-  return TRUE;
-}
-
 /* Adjust a symbol defined by a dynamic object and referenced by a
    regular object.  The current definition is in some section of the
    dynamic object, but we're not including those sections.  We have to
@@ -4389,7 +4305,6 @@ elf32_tic6x_write_section (bfd *output_bfd,
 #define elf_backend_rela_normal                1
 #define elf_backend_got_header_size     8
 #define elf_backend_fake_sections       elf32_tic6x_fake_sections
-#define elf_backend_gc_sweep_hook      elf32_tic6x_gc_sweep_hook
 #define elf_backend_gc_mark_extra_sections elf32_tic6x_gc_mark_extra_sections
 #define elf_backend_create_dynamic_sections \
   elf32_tic6x_create_dynamic_sections