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Re: [PATCH for-6.0 0/2] document gdbstub debugging of multicore machines


From: Alex Bennée
Subject: Re: [PATCH for-6.0 0/2] document gdbstub debugging of multicore machines
Date: Wed, 31 Mar 2021 12:25:40 +0100
User-agent: mu4e 1.5.11; emacs 28.0.50

Peter Maydell <peter.maydell@linaro.org> writes:

> The way gdb and our gdbstub handle multicore and multicluster
> machines is not very obvious.  This patchset adds some documentation
> of how to do it. In particular it gives the necessary runes
> for how to get gdb to work with machines which have multiple
> clusters of heterogenous CPUs (that's the sifive_u board, some
> of the MPS2/MPS3 boards, and the Xilinx one).
>
> I don't think there's any way for the stub to tell gdb
> "I have 2 inferiors, attach to both of them", unfortunately,
> so the user has to manually connect to them. (We should talk
> to the gdb folks to confirm that and perhaps suggest protocol
> enhancements. For 6.0, at least let's document the current state
> of affairs.)

Queued to for-6.0/fixes-for-rc2, thanks.

-- 
Alex Bennée



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