Re: Remote core file debugging

[Hui Zhu <teawater@gmail.com>]

On Fri, May 1, 2009 at 03:23, Michael Snyder <msnyder@vmware.com> wrote:
> Eli Zaretskii wrote:
>>>
>>> Date: Thu, 30 Apr 2009 12:08:02 -0700
>>> From: David Daney <ddaney@caviumnetworks.com>
>>> CC: gdb@sourceware.org
>>>
>>> I must be missing something, but why can't you move the core file to the
>>> debugging host and debug it there with gdb?
>>
>> Sorry, I should have said that in the first place: because it's huge,
>> and there are quite a few of them.  It's not a single target system,
>> either: there are a few dozen of them, so copying huge core files from
>> all of them would be at least time consuming if not impractical.
>
> GDBserver cannot currently do what you want.
>
> Options include
> 1) Teach gdbserver to understand core files, and
> 2) Write a corefile server that understands gdb serial protocol.
>
> #2 might be a bit easier, at least if you start with libbfd
> which already knows how to read core files.  Your server would
> only need to understand a reasonably small subset of commands
> (memory read, register read, possibly threads if your system
> includes them).

#2 sounds cool.  Maybe it can be optional function of gdbserver.