[PATCH][GOLD] Simplify code by using the relocation property table.

[Ian Lance Taylor]

"Doug Kwan (關振德)" <dougkwan@google.com> writes:

> 2010-02-03  Doug Kwan  <dougkwan@google.com>
>
>         * arm-reloc-property.cc
>         (Arm_reloc_property_table::reloc_name_in_error_message): New method
>         definition.
>         * arm-reloc-property.h
>         (Arm_reloc_property_table::get_implemented_static_reloc_property):
>         New method definition.
>         (Arm_reloc_property_table::reloc_name_in_error_message): New method
>         declaration.
>         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
>         overflow to N.
>         (GOT_PREL): Change implemented to Y.
>         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
>         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
>         (Arm_relocate_functions::movw_abs_nc): Remove method.
>         (Arm_relocate_functions::movt_abs): Ditto.
>         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
>         (Arm_relocate_functions::thm_movt_abs): Ditto.
>         (Arm_relocate_functions::movw_rel_nc): Ditto.
>         (Arm_relocate_functions::movw_rel): Ditto.
>         (Arm_relocate_functions::movt_rel): Ditto.
>         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
>         (Arm_relocate_functions:thm_movw_rel): Ditto.
>         (Arm_relocate_functions:thm_movt_rel): Ditto.
>         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
>         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
>         New method definitions.
>         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
>         (Arm_relocation_functions::arm_grp_ldr): Ditto.
>         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
>         (Arm_relocation_functions::arm_grp_ldc): Ditto.
>         (Target_arm::Relocate::relocate): Check for non-static or
>         unimplemented relocation code and exit early.  Change calls to
>         Target_arm::reloc_uses_thumb_bit and
>         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
>         instead.  Refactor code to handle similar relocations to increase
>         code sharing.  Remove check for unsupported relocation code in switch
>         statement.
>         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
>         relocation property table to find out size.  Change error message to
>         print out the name of a relocation code instead of the numeric value.
>         (Target_arm::scan_reloc_for_stub): Use relocation property table
>         instead of calling Target_arm::reloc_uses_thumb_bit().


> +  if (arp == NULL)
> +    {
> +      char buffer[100];
> +      sprintf(buffer, _("invalid reloc %u "), code);
> +      return std::string(buffer);
> +    }

I don't think you want the trailing space in this case.


This is OK with that change.

Thanks.

Ian