[5/6] Record thumbness separately from the st_type

[Nick Clifton]

Hi Richard,

> include/elf/
> 	* internal.h (elf_internal_sym): Add st_target_internal.
> 	* arm.h (arm_st_branch_type): New enum.
> 	(ARM_SYM_BRANCH_TYPE): New macro.
>
> bfd/
> 	* elf-bfd.h (elf_link_hash_entry): Add target_internal.
> 	* elf.c (swap_out_syms): Set st_target_internal for each
> 	Elf_Internal_Sym.
> 	* elfcode.h (elf_swap_symbol_in): Likewise.
> 	* elf32-i370.c (i370_elf_finish_dynamic_sections): Likewise.
> 	* elf32-sh-symbian.c (sh_symbian_relocate_section): Likewise.
> 	* elf64-sparc.c (elf64_sparc_output_arch_syms): Likewise.
> 	* elfxx-sparc.c (_bfd_sparc_elf_size_dynamic_sections): Likewise.
> 	* elflink.c (elf_link_output_extsym): Likewise.
> 	(bfd_elf_final_link): Likewise.
> 	(elf_link_add_object_symbols): Copy st_target_internal
> 	to the hash table if we see a definition.
> 	(_bfd_elf_copy_link_hash_symbol_type): Copy target_internal.
> 	* elf32-arm.c (elf32_arm_stub_hash_entry): Replace st_type with
> 	a branch_type field.
> 	(a8_erratum_fix, a8_erratum_reloc): Likewise.
> 	(arm_type_of_stub): Replace actual_st_type with an
> 	actual_branch_type parameter.
> 	(arm_build_one_stub): Use branch types rather than st_types to
> 	determine the type of branch.
> 	(cortex_a8_erratum_scan): Likewise.
> 	(elf32_arm_size_stubs): Likewise.
> 	(bfd_elf32_arm_process_before_allocation): Likewise.
> 	(allocate_dynrelocs_for_symbol): Likewise.
> 	(elf32_arm_finish_dynamic_sections): Likewise.
> 	(elf32_arm_final_link_relocate): Replace sym_flags parameter with
> 	a branch_type parameter.
> 	(elf32_arm_relocate_section): Update call accordingly.
> 	(elf32_arm_adjust_dynamic_symbol): Don't check STT_ARM_TFUNC.
> 	(elf32_arm_output_map_sym): Initialize st_target_internal.
> 	(elf32_arm_output_stub_sym): Likewise.
> 	(elf32_arm_symbol_processing): Delete.
> 	(elf32_arm_swap_symbol_in): Convert STT_ARM_TFUNCs into STT_FUNCs.
> 	Use st_target_internal to record the branch type.
> 	(elf32_arm_swap_symbol_out): Use st_target_internal to test for
> 	Thumb functions.
> 	(elf32_arm_is_function_type): Delete.
> 	(elf_backend_symbol_processing): Likewise.
> 	(elf_backend_is_function_type): Likewise.
>
> gas/
> 	* config/tc-arm.c (arm_adjust_symtab): Set the branch type
> 	for Thumb symbols.
>
> ld/
> 	* emultempl/armelf.em (gld${EMULATION_NAME}_finish): Check
> 	eh->target_internal.
>
> opcodes/
> 	* arm-dis.c (get_sym_code_type): Don't check for STT_ARM_TFUNC.
> 	Use branch types instead.
> 	(print_insn): Likewise.

Approved - please apply.

Cheers
   Nick