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Re: binutils 2.19.92 linker broke with --as-needed flag

On Wed, Mar 27, 2013 at 10:24:51AM -0700, Vincent Wen wrote:
> Alan,
> I'd like to know whether the patch for this issue is accepted or not?

That really is up to one of the MIPS maintainers.  As I said in the MIPS backend
wants _GLOBAL_OFFSET_TABLE_ dynamic for some reason.

  bh = NULL;
  if (! (_bfd_generic_link_add_one_symbol
	 (info, abfd, "_GLOBAL_OFFSET_TABLE_", BSF_GLOBAL, s,
	  0, NULL, FALSE, get_elf_backend_data (abfd)->collect, &bh)))
    return FALSE;

  h = (struct elf_link_hash_entry *) bh;
  h->non_elf = 0;
  h->def_regular = 1;
  h->type = STT_OBJECT;
  elf_hash_table (info)->hgot = h;

  if (info->shared
      && ! bfd_elf_link_record_dynamic_symbol (info, h))
    return FALSE;

I think that is just plain wrong, but I don't know the history of this

Another issue is that your simple one-line patch potentially requires
testsuite changes.  Have you run the ld testsuite on a native MIPS
target after making your change?  How about the glibc testsuite?

> I tried to replace STV_HIDDEN with STV_PROTECTED and it doesn't work with
> our application. Our customer is waiting for the fix and we need to make
> the release next week.

Alan Modra
Australia Development Lab, IBM

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