avogelsgesang added a comment.

> I don't know much about coroutines, but it seems like your goal is to format 
> them like a linked list

actually, my preferred goal would be to show them as a logical, user-level 
thread. Such that you can type

  thread backtrace cxxcoro:0x55555555b2a0

to get the backtrace of the logical coroutine thread routed at the coroutine at 
address `0x55555555b2a0`, or maybe even

  thread backtrace cxxcoro:hdl

where `hdl` is evaluated as an expression to identify the coroutine handle from 
where to dump the backtrace.

Also, it would be neat if those logical threads show up in `thread list`...

But it seems there is currently no infrastructure yet in LLDB for logical 
threads provided by `LanguageRuntime` plugins.

I guess at some point, I will write an RFC about that on discourse. But before 
that, I will first do some more exploration on how LLDB works and I will first 
grab the low-hanging fruits (like a data formatter for `std::coroutine_handle` 
and patching LLVM to emit the necessary debug info)


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D132624/new/

https://reviews.llvm.org/D132624

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