Re: lib/55719 (Unwind tables for signal trampoline on amd64 are incorrect)

[Andrew Cagney <andrew.cagney%gmail.com@localhost>]

On Mon, 12 Oct 2020 at 10:27, Kamil Rytarowski <kamil%netbsd.org@localhost> wrote:

> Unfortunately recording and reverse-debugging is still unsupported in
> GDB on NetBSD. I would need to research how much of work is needed to
> get support and maybe Andrew can shed some light on it too.

The native reverse debugging code was pushed after I stopped hacking on GDB.
Is it working on any non Linux backend?  I can see two ways of making this work:
1. sucking out the contents of the process
2. some sort of "spawn of linux" to capture the thread state