DWARF support

[Richard Eisenberg]

> On Nov 18, 2021, at 10:29 AM, Ben Gamari <ben at smart-cactus.org> wrote:
> 
> At this point, for backtrace support I would rather put my money is on a
> native Haskell stack unwinder (such as Sven Tennie's work [3,4]). Not only
> is it more portable but it is also more robust (whereas with DWARF any
> single object lacking debug information would break unwinding), and is
> significantly less costly since we know much more about the structure of
> our stack than a DWARF unwinder would.

Interesting -- this is helpful to know. I had heard about DWARF support for some years and thought that it would deliver stack traces. Now I will look for other sources. All good -- I understand how this is hard! -- and nice to know about.

Thanks for the writeup, Ben.

Richard
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