Hello, Mark,

On Aug 25, 2020, Mark Wielaard <m...@klomp.org> wrote:

> On Tue, 2020-08-25 at 01:05 -0300, Alexandre Oliva wrote:
>> it would seem to
>> make more sense to adopt and promote the proposed extension,
>> implemented in =incompat5 in GCC, but it would need some
>> implementation work in consumers to at least ignore the extension.

> Is that what is described in:
> http://www.fsfla.org/~lxoliva/papers/sfn/dwarf6-sfn-lvu.txt

> Does it match the proposal in:
> http://www.dwarfstd.org/ShowIssue.php?issue=170427.1

Yes, the implementation of incompat5 is supposed to match the
enhancement to DWARF proposed in this issue.

> Should we try to introduce your extending loclists proposal:
> http://www.dwarfstd.org/ShowIssue.php?issue=170427.2

If it makes sense to you, sure.  I think it could be useful for loclist
compression, besides adding extensibility to an unusually rigid part of
DWARF specs.  I'm not attached to this particular formulation, though,
and I'm not aware of any implementations thereof.  I only felt the need
for extending loclists and found myself severely constrained.

> The main issue is that there is no formal way of extending the
> loclists.

*nod*

Thanks,

-- 
Alexandre Oliva, happy hacker
https://FSFLA.org/blogs/lxo/
Free Software Activist
GNU Toolchain Engineer

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