Re: Executing code if debuggee is a crash dump?

On Tue, Aug 24, 2021 at 6:08 AM Michael Woerister via Gdb
<[email protected]> wrote:
> I'm looking into implementing debugger extensions that help with
> debugging crash dumps of "async" Rust executables. Such an extension
> would need to inspect the complex internals of several async runtime
> implementations. We could potentially make the extension more robust and
> easier to maintain if we provided a standardized inspection API in the
> various runtimes and have the debugger interact with that. The functions
> behind this API would be restricted to not interact with the environment
> (e.g. not allocate memory, etc).
>
> However, my research so far indicates that neither GDB nor any other
> debugger is capable of executing code in a crash dump. Is that true or
> am I overlooking something?
> Would anybody here be able give me a definite answer to this question?

If you can reproduce the bug, you could run under
https://rr-project.org/, which would allow you to call functions.

Christian