patches/binutils/2.15/140-arm-textrel.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Fri Sep 04 17:27:16 2009 +0200 (2009-09-04)
changeset 1512 439a6b292917
parent 1 eeea35fbf182
permissions -rw-r--r--
TODO: update

Add TODO list for m4, autoconf, automake and libtool.
Building our own versions would remove burden from the users
who have older versions on their distributions, and are not
ready/able/allowed to upgrade.
     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))