[PATCH] D99179: [RFC] [Coroutines] Enable printing coroutine frame in debugger if program is compiled with -g

[John McCall via Phabricator via llvm-commits]

rjmccall added a comment.

Normally we don't want passes making educated guesses about things and codifying that into debug info, but in this specific instance i don't think it's unreasonable, since the debug frame is an artificial type.  Ideally you would find the debug info that's present and use that to describe the frame layout as much as possible.  The way frame layout works should allow that kind of reversal well enough.

The biggest conceptual problem is that, for the fields that you can't find debug info for, you'll have to either come up with a C type from the LLVM type or leave them out the layout entirely.  The latter seems like it would make this much less useful, but the former is really problematic because the sizes of C's fundamental types are so unportable.


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  https://reviews.llvm.org/D99179/new/

https://reviews.llvm.org/D99179