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Re: lib/55719 (Unwind tables for signal trampoline on amd64 are incorrect)
The following reply was made to PR lib/55719; it has been noted by GNATS.
From: Andrew Cagney <andrew.cagney%gmail.com@localhost>
To: Kamil Rytarowski <kamil%netbsd.org@localhost>
Cc: gnats-bugs%netbsd.org@localhost, gnats-admin%netbsd.org@localhost, netbsd-bugs%netbsd.org@localhost,
Subject: Re: lib/55719 (Unwind tables for signal trampoline on amd64 are incorrect)
Date: Mon, 12 Oct 2020 10:55:37 -0400
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
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