Re: PTRACE_{READ,WRITE}{TEXT,DATA}

From: Benjamin Herrenschmidt
Date: Tue Apr 29 2008 - 20:07:12 EST



On Tue, 2008-04-29 at 15:07 -0700, Roland McGrath wrote:
> I don't see any sense in adding that. Using /proc/pid/mem is already the
> "efficient" API for this known to userland. I don't think keeping the fd
> around for that is any great burden, and if you do then the one pread64
> call is just as efficient as one ptrace call to do the same thing.

Yup, I didn't know gdb used /proc/pid/mem to be honest ... as long as it
goes through access_process_vm(), I'm fine anyway.

Cheers,
Ben.

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