[llvm-dev] [RFC] DWARF Version 6 Proposal For Heterogeneous Debugging

via llvm-dev llvm-dev at lists.llvm.org
Mon Apr 27 07:25:20 PDT 2020

I don't know what an acceptable ping rate on an RFC is, but I also 
wanted to add that if anyone prefers to review this on Phabricator the 
latest diff of https://reviews.llvm.org/D70523 essentially includes the 
entire contents of the proposal, because it was moved to another file.


On 2020-04-17 19:10, Scott Linder via llvm-dev wrote:
> Hi llvm-dev,
> I'm writing on behalf of a team at AMD working on upstreaming support
> for AMD GPUs into GDB. We have drafted a proposal of backwards
> compatible extensions to DWARF for heterogeneous debugging which is
> rendered at
> https://llvm.org/docs/AMDGPUDwarfProposalForHeterogeneousDebugging.html.
> The proposal includes a thorough introduction with justification, so I
> won't belabor that here, but I do want to reiterate that the extensions
> are designed to be vendor and architecture neutral, and completely
> backwards compatible with DWARF 5.
> I am beginning to work on a reference implementation of the proposal in
> LLVM, with some very preliminary support appearing in some patches
> starting at https://reviews.llvm.org/D76877. Note that most of these
> initial patches are AMDGPU-specific CFI changes, and more general
> support for the extensions are still a WIP.
> I intended to also include the proposal inline, but it appears to be 
> too
> large for the list. Instead I will just mention that the source is
> available in the llvm-project repo as
> llvm/docs/AMDGPUDwarfProposalForHeterogeneousDebugging.rst
> Regards,
> Scott
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