Re: PATCH: Move some STT_GNU_IFUNC support to generic ELF linker

["H.J. Lu" <hjl dot tools at gmail dot com>]

On Tue, Jun 16, 2009 at 4:56 AM, Nick Clifton<nickc@redhat.com> wrote:
> Hi H.J.
>
>> Here is the first patch. ?OK for trunk?
>
>> 2009-06-15 ?H.J. Lu ?<hongjiu.lu@intel.com>
>>
>> ? ? ? ?* configure.in (elf): Add elf-ifunc.lo.
>>
>> ? ? ? ?* configure: Regenerated.
>> ? ? ? ?* Makefile.in: Likewise.
>>
>> ? ? ? ?* elf-bfd.h (elf_link_hash_table): Add sgot, sgotplt,
>> ? ? ? ?srelgot, splt, srelplt, igotplt, iplt, irelplt and irelifunc.
>>
>> ? ? ? ?* elf32-i386.c (elf_i386_link_hash_table): Remove sgot,
>> ? ? ? ?sgotplt, srelgot, splt, srelplt, igotplt, iplt, irelplt and
>> ? ? ? ?irelifunc.
>> ? ? ? ?(elf_i386_link_hash_table_create): Likewise.
>> ? ? ? ?(elf_i386_create_dynamic_sections): Likewise.
>> ? ? ? ?(elf_i386_check_relocs): Likewise.
>> ? ? ? ?(elf_i386_allocate_dynrelocs): Likewise.
>> ? ? ? ?(elf_i386_size_dynamic_sections): Likewise.
>> ? ? ? ?(elf_i386_relocate_section): Likewise.
>> ? ? ? ?(elf_i386_finish_dynamic_symbol): Likewise.
>> ? ? ? ?(elf_i386_finish_dynamic_sections): Likewise.
>> ? ? ? ?(elf_i386_create_got_section): Removed.
>>
>> ? ? ? ?* elf64-x86-64.c (elf64_x86_64_link_hash_table): Remove sgot,
>> ? ? ? ?sgotplt, srelgot, splt, srelplt, igotplt, iplt, irelplt and
>> ? ? ? ?irelifunc.
>> ? ? ? ?(elf64_x86_64_compute_jump_table_size): Updated.
>> ? ? ? ?(elf64_x86_64_link_hash_table_create): Likewise.
>> ? ? ? ?(elf64_x86_64_create_dynamic_sections): Likewise.
>> ? ? ? ?(elf64_x86_64_check_relocs): Likewise.
>> ? ? ? ?(elf64_x86_64_allocate_dynrelocs): Likewise.
>> ? ? ? ?(elf64_x86_64_size_dynamic_sections): Likewise.
>> ? ? ? ?(elf64_x86_64_relocate_section): Likewise.
>> ? ? ? ?(elf64_x86_64_finish_dynamic_symbol): Likewise.
>> ? ? ? ?(elf64_x86_64_finish_dynamic_sections): Likewise.
>> ? ? ? ?(elf64_x86_64_create_got_section): Removed.
>>
>> ? ? ? ?* elflink.c (_bfd_elf_create_got_section): Use log_file_align
>> ? ? ? ?for pointer alignment. ?Set up section pointers.
>> ? ? ? ?(_bfd_elf_create_dynamic_sections): Likewise.
>> ? ? ? ?(_bfd_elf_create_ifunc_sections): Moved to ...
>> ? ? ? ?* elf-ifunc.c: Here. ?New.
>>
>> ? ? ? ?* Makefile.am (BFD32_BACKENDS): Add elf-ifunc.lo.
>> ? ? ? ?(BFD32_BACKENDS_CFILES): Add elf-ifunc.c.
>> ? ? ? ?Run "make dep-am".
>
> Approved - please apply.
>
> Cheers
> ?Nick
>

IA64 needs this patch to fix linker failures. I will check it in as an
obvious fix. Please let me know if other backends need similar
patches.

Thanks.


H.J.
---
2009-06-16  H.J. Lu  <hongjiu.lu@intel.com>

	* elfxx-ia64.c (elfNN_ia64_link_hash_table): Remove got_sec,
	rel_got_sec and plt_sec.
	(elfNN_ia64_relax_section): Updated.
	(elfNN_ia64_create_dynamic_sections): Likewise.
	(get_got): Likewise.
	(allocate_dynrel_entries): Likewise.
	(elfNN_ia64_size_dynamic_sections): Likewise.
	(set_got_entry): Likewise.
	(elfNN_ia64_choose_gp): Likewise.
	(elfNN_ia64_relocate_section): Likewise.
	(elfNN_ia64_finish_dynamic_symbol): Likewise.
	(elfNN_ia64_finish_dynamic_sections): Likewise.

Attachment: bfd-sec-1.patch
Description: Text document