[Bug symtab/24820] .debug_names has incorrect contents

["dblaikie at gmail dot com" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=24820

--- Comment #16 from David Blaikie <dblaikie at gmail dot com> ---
(In reply to Tom Tromey from comment #13)
> One last note about the size and whatnot.
> 
> To my mind, one of the biggest problems with DWARF is
> that it is very difficult to read.  The new scanner,
> which has acceptable-ish performance, was a pretty big
> effort and we're still tracking down the occasional
> data race (since threading was the only way to make it
> really fast).
> 
> However, this situation seems absurd to me.  DWARF is
> hard to read -- but this is due to decisions made in
> the design, not really anything intrinsic to the problem area.
> That is, DWARF gives us abbrevs and a generically
> hierarchical structure, when really gdb (and IMO debuggers
> in general) wants something different.  In theory this stuff
> can be used for other things, but in practice this approach
> means optimizing for these hypothetical other uses at
> the expense of the 90% use case.
> 
> So, rather than putting effort into an index, whether it
> be .gdb_index or .debug_names, it would be much better to
> tackle this at the source and make reading cheap and easy.
> (This btw is why I put off .debug_names so long, I just
> had trouble getting myself over the feeling that I was
> working on the wrong end of the problem.)
> 
> This is partly the idea of CTF, though they went the C-only
> route and also didn't really integrate into gdb very well.

I'd love to subscribe to your newsletter/talk with you more about your ideas on
this front - is there any particular forum that'd be preferred/most useful to
do that?

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