Where can I find documentations about new DWARF terms like DW_MACRO_GNU_transparent_include?

[Terry Guo]

On Sat, Aug 24, 2013 at 1:14 AM, Ian Lance Taylor <iant@google.com> wrote:
> On Thu, Aug 22, 2013 at 12:48 AM, Terry Guo <flameroc@gmail.com> wrote:
>>
>> GCC made a lot of extensions to dwarf standard, like
>> DW_MACRO_GNU_transparent_include. I want to know their meanings and
>> usage. Is there a central place to explain those extensions? Thanks.
>
> I'm not aware of a central place.  Different proposals are documented
> in different places, often as proposed DWARF extensions at
> http://wiki.dwarfstd.org/index.php?title=Dwarf_Workgroup_Discussions .
>
> For DW_MACRO_GNU_transparent_include specifically I don't know if
> there is anything more formal than
> http://gcc.gnu.org/ml/gcc-patches/2011-07/msg01070.html .
>
> Ian

Thank you so much. Those materials are good enough for me to
understand my question.

BR,
Terry