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    SubjectRe: [RFC] [PATCH] In-kernel gdbstub based on utrace Infrastructure.
    * Peter Zijlstra <peterz@infradead.org> [2009-11-30 13:09:12]:

    > On Mon, 2009-11-30 at 17:33 +0530, Srikar Dronamraju wrote:
    > > This patch implements an in-kernel gdb stub.
    > > It provides an interface between gdb and Linux Kernel by implementing
    > > the remote serial protocol. This gdbstub uses utrace infrastructure.
    > > This patch provides register set access, signal mapping, process event
    > > handling, input/output operations.
    > >
    > > /proc/<pid>/gdb was chosen as file for gdb to interact with the
    > > process through remote serial protocol.
    > >
    > > Hence users would have to use "target remote /proc/<pid>/gdb" command
    > > on gdb prompt to start using this infrastructure.
    > >
    > > For Breakpointing support, gdbstub needs User space breakpointing
    > > layer and uprobes layer which will be posted later.
    >
    > How does this compare to kgdb and related efforts?

    This is a In-kernel gdbstub to debug user space programs.
    This stub doesnt help in debugging kernel.

    Hence I am not sure how to compare kgdb gdbstub with this gdbstub.
    Can you please provide more pointers on what you were referring to?

    --
    Thanks and Regards
    Srikar


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