openwrt/toolchain/binutils/2.15.90.0.1/600-arm-textrel.patch

   1 http://sources.redhat.com/ml/binutils/2004-06/msg00010.html
   2 --- binutils-2.15.90.0.3-old/bfd/elf32-arm.h    2004-04-12 14:56:33.000000000 -0500
   3 +++ binutils-2.15.90.0.3/bfd/elf32-arm.h        2004-09-03 06:56:40.000000000 -0500
   4 @@ -87,6 +87,8 @@
   5  #endif
   6  static bfd_boolean allocate_dynrelocs
   7    PARAMS ((struct elf_link_hash_entry *h, PTR inf));
   8 +static bfd_boolean elf32_arm_readonly_dynrelocs
   9 +  PARAMS ((struct elf_link_hash_entry *, PTR));
  10  static bfd_boolean create_got_section
  11    PARAMS ((bfd * dynobj, struct bfd_link_info * info));
  12  static bfd_boolean elf32_arm_create_dynamic_sections
  13 @@ -3531,6 +3533,37 @@
  14    return TRUE;
  15  }
  16
  17 +/* Find any dynamic relocs that apply to read-only sections.  */
  18 +
  19 +static bfd_boolean
  20 +elf32_arm_readonly_dynrelocs (h, inf)
  21 +     struct elf_link_hash_entry *h;
  22 +     PTR inf;
  23 +{
  24 +  struct elf32_arm_link_hash_entry *eh;
  25 +  struct elf32_arm_relocs_copied *p;
  26 +
  27 +  if (h->root.type == bfd_link_hash_warning)
  28 +    h = (struct elf_link_hash_entry *) h->root.u.i.link;
  29 +
  30 +  eh = (struct elf32_arm_link_hash_entry *) h;
  31 +  for (p = eh->relocs_copied; p != NULL; p = p->next)
  32 +    {
  33 +      asection *s = p->section;
  34 +
  35 +      if (s != NULL && (s->flags & SEC_READONLY) != 0)
  36 +       {
  37 +         struct bfd_link_info *info = (struct bfd_link_info *) inf;
  38 +
  39 +         info->flags |= DF_TEXTREL;
  40 +
  41 +         /* Not an error, just cut short the traversal.  */
  42 +         return FALSE;
  43 +       }
  44 +    }
  45 +  return TRUE;
  46 +}
  47 +
  48  /* Set the sizes of the dynamic sections.  */
  49
  50  static bfd_boolean
  51 @@ -3740,6 +3773,12 @@
  52             return FALSE;
  53         }
  54
  55 +      /* If any dynamic relocs apply to a read-only section,
  56 +         then we need a DT_TEXTREL entry.  */
  57 +      if ((info->flags & DF_TEXTREL) == 0)
  58 +        elf_link_hash_traverse (&htab->root, elf32_arm_readonly_dynrelocs,
  59 +                                (PTR) info);
  60 +
  61        if ((info->flags & DF_TEXTREL) != 0)
  62         {
  63           if (!add_dynamic_entry (DT_TEXTREL, 0))