[lld] r252978 - ELF2: Add comments and reorganize option list a bit.

[Sean Silva via llvm-commits]

On Thu, Nov 12, 2015 at 4:26 PM, Rui Ueyama via llvm-commits <
llvm-commits at lists.llvm.org> wrote:

> Author: ruiu
> Date: Thu Nov 12 18:26:12 2015
> New Revision: 252978
>
> URL: http://llvm.org/viewvc/llvm-project?rev=252978&view=rev
> Log:
> ELF2: Add comments and reorganize option list a bit.
>
> Modified:
>     lld/trunk/ELF/Options.td
>
> Modified: lld/trunk/ELF/Options.td
> URL:
> http://llvm.org/viewvc/llvm-project/lld/trunk/ELF/Options.td?rev=252978&r1=252977&r2=252978&view=diff
>
> ==============================================================================
> --- lld/trunk/ELF/Options.td (original)
> +++ lld/trunk/ELF/Options.td Thu Nov 12 18:26:12 2015
> @@ -133,17 +133,21 @@ def alias_script_T : Separate<["-"], "T"
>  def alias_strip_all: Flag<["-"], "s">, Alias<strip_all>;
>  def alias_undefined_u : Separate<["-"], "u">, Alias<undefined>;
>
> -// Options listed below are silently ignored now.
> -def build_id : Flag<["--"], "build-id">;
> -def eh_frame_hdr : Flag<["--"], "eh-frame-hdr">;
> +// Our symbol resolution algorithm handles symbols in archive files better
> +// than traditional linkers, so we don't need --start-group and
> --end-group.
>

Can we just say "differently"?

-- Sean Silva


> +// These options are recongized but ignored for compatibility.
>  def end_group : Flag<["--"], "end-group">;
>  def end_group_paren: Flag<["-"], ")">;
> +def start_group : Flag<["--"], "start-group">;
> +def start_group_paren: Flag<["-"], "(">;
> +
> +// Options listed below are silently ignored for now for compatibility.
> +def build_id : Flag<["--"], "build-id">;
> +def eh_frame_hdr : Flag<["--"], "eh-frame-hdr">;
>  def fatal_warnings : Flag<["--"], "fatal-warnings">;
>  def no_add_needed : Flag<["--"], "no-add-needed">;
>  def no_fatal_warnings : Flag<["--"], "no-fatal-warnings">;
>  def no_warn_mismatch : Flag<["--"], "no-warn-mismatch">;
> -def start_group : Flag<["--"], "start-group">;
> -def start_group_paren: Flag<["-"], "(">;
>  def version_script : Separate<["--"], "version-script">;
>  def warn_common : Flag<["--"], "warn-common">;
>  def warn_shared_textrel : Flag<["--"], "warn-shared-textrel">;
>
>
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