openwrt/toolchain/binutils/2.15.91.0.2/701-binutils-dup-sections.patch

   1 See http://sources.redhat.com/ml/binutils/2004-08/msg00256.html
   2
   3 Date: Fri, 20 Aug 2004 21:13:43 -0400
   4 From: Daniel Jacobowitz <drow at false dot org>
   5 To: binutils at sources dot redhat dot com
   6 Subject: Re: Handle SEC_LINK_DUPLICATES_SAME_CONTENTS for arm-linux
   7 Message-ID: <20040821011342.GA30319@nevyn.them.org>
   8 Mail-Followup-To: binutils at sources dot redhat dot com
   9 References: <20040818145518.GA9774@nevyn.them.org> <20040819055040.GA11820@lucon.org> <20040819080034.GE21716@bubble.modra.org> <20040820173240.GA17678@nevyn.them.org> <20040821003737.GB16016@bubble.modra.org>
  10 In-Reply-To: <20040821003737 dot GB16016 at bubble dot modra dot org>
  11
  12 On Sat, Aug 21, 2004 at 10:07:38AM +0930, Alan Modra wrote:
  13 > On Fri, Aug 20, 2004 at 01:32:40PM -0400, Daniel Jacobowitz wrote:
  14 > > Thanks.  How's this?
  15 >
  16 > As you might have guessed from my rather slack review of your previous
  17 > patch, I trust you enough to give the OK without proper review.  But
  18 > since you asked...  :)
  19
  20 Checked in as so.
  21
  22 --
  23 Daniel Jacobowitz
  24
  25 [ rediffed against binutils-2.15.91.0.2, with some elbow grease ]
  26
  27 2004-08-20  Daniel Jacobowitz  <dan@debian.org>
  28
  29         * elflink.c (_bfd_elf_section_already_linked): Handle
  30         SEC_LINK_DUPLICATES_SAME_CONTENTS.
  31 --- binutils-2.15.91.0.2/bfd/elflink.c.old      2004-07-27 21:36:08.000000000 -0700
  32 +++ binutils-2.15.91.0.2/bfd/elflink.c  2004-08-26 06:38:07.000000000 -0700
  33 @@ -9359,6 +9359,35 @@
  34                   (_("%s: %s: warning: duplicate section `%s' has different size\n"),
  35                    bfd_archive_filename (abfd), name);
  36               break;
  37 +           case SEC_LINK_DUPLICATES_SAME_CONTENTS:
  38 +             if (sec->size != l->sec->size)
  39 +               (*_bfd_error_handler)
  40 +                 (_("%B: duplicate section `%A' has different size\n"),
  41 +                  bfd_archive_filename (abfd), sec);
  42 +             else if (sec->size != 0)
  43 +               {
  44 +                 bfd_byte *sec_contents, *l_sec_contents;
  45 +
  46 +                 if (!bfd_malloc_and_get_section (abfd, sec, &sec_contents))
  47 +                   (*_bfd_error_handler)
  48 +                     (_("%B: warning: could not read contents of section `%A'\n"),
  49 +                      bfd_archive_filename (abfd), sec);
  50 +                 else if (!bfd_malloc_and_get_section (l->sec->owner, l->sec,
  51 +                                                       &l_sec_contents))
  52 +                   (*_bfd_error_handler)
  53 +                     (_("%B: warning: could not read contents of section `%A'\n"),
  54 +                      bfd_archive_filename(l->sec->owner), l->sec);
  55 +                 else if (memcmp (sec_contents, l_sec_contents, sec->size) != 0)
  56 +                   (*_bfd_error_handler)
  57 +                     (_("%B: warning: duplicate section `%A' has different contents\n"),
  58 +                      bfd_archive_filename (abfd), sec);
  59 +
  60 +                 if (sec_contents)
  61 +                   free (sec_contents);
  62 +                 if (l_sec_contents)
  63 +                   free (l_sec_contents);
  64 +               }
  65 +             break;
  66             }
  67
  68           /* Set the output_section field so that lang_add_section