Re: [PATCH v2 1/3] linux-user: Allow gdbstub to ignore page protection

[Richard Henderson]

On 1/10/24 10:05, Ilya Leoshkevich wrote:
> gdbserver ignores page protection by virtue of using /proc/$pid/mem.
> Teach qemu gdbstub to do this too. This will not work if /proc is not
> mounted; accept this limitation.
>
> One alternative is to temporarily grant the missing PROT_* bit, but
> this is inherently racy. Another alternative is self-debugging with
> ptrace(POKE), which will break if QEMU itself is being debugged - a
> much more severe limitation.
>
> Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>


r~