PATCH: PR ld/9676: link-failure: could not read symbols: Bad value

[H.J. Lu]

On Sun, Dec 21, 2008 at 4:47 PM, H.J. Lu <hjl.tools@gmail.com> wrote:
> A symbol, foo, is defined in a DSO first. And then it was defined
> in a relocatable file.  When we merge those 2, set to def_regular
> to 1.  But we didn't update def_dynamic.  Later we we load it from a
> discarded section, we set its st_shndx to SHN_UNDEF.  If it has hidden
> visibility, we think it is undefined and will try to resolve it from
> archive again.  This patch will update def_dynamic ref_dynamic and
> dynamic_def fields when setting def_regular to 1. OK to install?
>
> There is a small testcase in
>
> http://sourceware.org/bugzilla/show_bug.cgi?id=9676
>
> But linker test framework doesn't support AR.
>
> Thanks.
>
>
> H.J.
> ----
> 2008-12-21  H.J. Lu  <hongjiu.lu@intel.com>
>
>        PR ld/9676
>        * elflink.c (elf_link_add_object_symbols): Update def_dynamic,
>        ref_dynamic and dynamic_def fields when setting def_regular
>        to 1.
>

Here is a patch with a testcase. OK to install?

Thanks.


-- 
H.J.
--
bfd/

2008-12-22  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/9676
	* elflink.c (elf_link_add_object_symbols): Update def_dynamic,
	ref_dynamic and dynamic_def fields when setting def_regular
	to 1.

ld/testsuite/

2008-12-22  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/9676
	* ld-elf/pr9676-1.c: New.
	* ld-elf/pr9676-2.c: Likewiswe.
	* ld-elf/pr9676-3.c: Likewiswe.
	* ld-elf/pr9676-4.c: Likewiswe.

	* ld-elf/shared.exp (build_tests): Add tests for libpr9676-1.a,
	libpr9676-2.a, libpr9676-3.so, libpr9676-4.so and
	libpr9676-4a.so.

	* lib/ld-lib.exp (ar_simple_create): New.
	(run_ld_link_tests): Support archive.
	(run_cc_link_tests): Likewiswe.
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