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PING: RE: [PATCH ARC] PIC and TLS support
- From: Cupertino Miranda <Cupertino dot Miranda at synopsys dot com>
- To: "binutils at sourceware dot org" <binutils at sourceware dot org>
- Cc: Claudiu Zissulescu <Claudiu dot Zissulescu at synopsys dot com>, Francois Bedard <Francois dot Bedard at synopsys dot com>, "Andrew Burgess (andrew dot burgess at embecosm dot com)" <andrew dot burgess at embecosm dot com>
- Date: Tue, 19 Jan 2016 13:59:08 +0000
- Subject: PING: RE: [PATCH ARC] PIC and TLS support
- Authentication-results: sourceware.org; auth=none
Feedback on this patch would be greatly appreciated.
> -----Original Message-----
> From: Cupertino Miranda
> Sent: Tuesday, January 12, 2016 4:42 PM
> To: firstname.lastname@example.org
> Cc: Claudiu Zissulescu (email@example.com); Francois Bedard; Andrew
> Burgess (firstname.lastname@example.org)
> Subject: [PATCH ARC] PIC and TLS support
> Hi all,
> Last couple of months me and Claudiu have been working in making GNU
> tools to support PIC and TLS for ARC.
> Here is a patch with its implementation. Looking forward for your review and
> If the patch is Ok please submit it as neither me or Claudiu as write access to
> the repository.
> Best regards,
> * arc-plt.def: New file.
> * arc-plt.h: Likewise.
> * elf32-arc.c (elf_arc_abs_plt0_entry, elf_arc_abs_pltn_entry,
> elf_arcV2_abs_plt0_entry, elf_arcV2_abs_pltn_entry,
> elf_arc_pic_plt0_entry, elf_arc_pic_pltn_entry,
> elf_arcV2_pic_plt0_entry, elf_arcV2_pic_pltn_entry):
> (name_for_global_symbol): Added.
> (ADD_RELA): Helper to create dynamic relocs.
> (new_got_entry_to_list): Create a new got entry in linked list.
> (symbol_has_entry_of_type): Search for specific type of entry in
> (is_reloc_for_GOT): return FALSE for any TLS related relocs.
> (is_reloc_for_TLS, arc_elf_set_private_flags)
> (arc_elf_print_private_bfd_data, arc_elf_copy_private_bfd_data)
> (arc_elf_merge_private_bfd_data): New functions.
> (debug_arc_reloc): Cleaned debug info printing.
> (PDATA reloc): Changed not to perform address alignment.
> (reverse_me): Added. Fix for ARC_32 relocs.
> (arc_do_relocation): Return bfd_reloc_of when no relocation should
> (arc_get_local_got_ents): Renamed from arc_get_local_got_offsets.
> Changed function to access an array of list of GOT entries instead
> of just an array of offsets.
> (elf_arc_relocate_section): Added support for PIC and TLS related
> (elf_arc_check_relocs): Likewise.
> (elf_arc_adjust_dynamic_symbol, elf_arc_finish_dynamic_symbol,
> (elf_arc_finish_dynamic_sections): Likewise
> (arc_create_dynamic_sections): Modified conditions to create
> dynamic sections.
> (ADD_SYMBOL_REF_SEC_AND_RELOC): New macro.
> (plt_do_relocs_for_symbol, relocate_plt_for_symbol)
> (relocate_plt_for_entry): Changed to support new way to define PLT
> related code.
> (add_symbol_to_plt): Likewise.
> (arc_elf_link_hash_table_create): New function.
> * elf/arc-reloc.def (ARC_32, ARC_GOTPC, ARC_TLS_GD_GOT)
> (ARC_TLS_IE_GOT, ARC_TLS_DTPOFF, ARC_TLS_DTPOFF_S9,
> (ARC_TLS_LE_32): Fixed formula.
> (ARC_TLS_GD_LD): Use new special function.
> * opcode/arc-func.h: Changed all the replacement
> functions to clear the patching bits before doing an or it with the