[Dwarf-Discuss] modeling different address spaces

[Robinson, Paul]

> -----Original Message-----
> From: Dwarf-Discuss <dwarf-discuss-bounces at lists.dwarfstd.org> On Behalf
> Of Michael Eager via Dwarf-Discuss
> Sent: Thursday, July 16, 2020 2:22 PM
> To: John DelSignore <JDelSignore at perforce.com>; todd.allen at concurrent-
> rt.com; Metzger, Markus T <markus.t.metzger at intel.com>
> Cc: dwarf-discuss at lists.dwarfstd.org; Tye, Tony <tony.tye at amd.com>
> Subject: Re: [Dwarf-Discuss] modeling different address spaces
> 
> On 7/16/20 10:26 AM, John DelSignore via Dwarf-Discuss wrote:
> > FYI, Tony Tye and his team at AMD created a DWARF Proposal for
> heterogeneous debugging, which is generally useful but required to debug
> optimized code for GPUs. It directly addresses the issue of how to model
> different address spaces and makes location descriptions first-class
> objects that can be push onto the evaluation stack.
> >
> >
> https://urldefense.com/v3/__https://llvm.org/docs/AMDGPUDwarfProposalForHe
> terogeneousDebugging.html__;!!JmoZiZGBv3RvKRSx!rcLFM5tXmxFw3UnRNhyWapnfPy9
> w2jREY_Id2g3BwR_gCVTPgXEAsLA2NKIn2q-qcA$
> >
> > AFAIK, these changes will be made to LLVM and there is interest in
> adding to the DWARF standard eventually.
> 
> As mentioned in the past, I would be pleased to see proposals submitted
> for these changes.
> 
> I would like to avoid the situation where we have an informal proposal
> lacking specific changes to the DWARF standard, matched with an
> implementation which claims to match the proposal.  That's the opposite
> of standardization.

I think the idea was, it would be implementation experience, which will
inform the proposal.  I've had "review this work" on my to-do list for
an embarrassingly long time now.  The initial problem is that it's a
huge chunk of stuff and is a big time investment to look at.
--paulr

> 
> --
> Michael Eager
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