Re: [PATCH v2 2.6.38-rc8-tip 3/20] 3: uprobes: Breakground pagereplacement.

[Steven Rostedt]

On Mon, 2011-03-14 at 19:04 +0530, Srikar Dronamraju wrote:
> +/*
> + * Most architectures can use the default versions of @read_opcode(),
> + * @set_bkpt(), @set_orig_insn(), and @is_bkpt_insn();
> + *
> + * @set_ip:
> + *     Set the instruction pointer in @regs to @vaddr.
> + * @analyze_insn:
> + *     Analyze @user_bkpt->insn.  Return 0 if @user_bkpt->insn is an
> + *     instruction you can probe, or a negative errno (typically -%EPERM)
> + *     otherwise. Determine what sort of

sort of ... what?

-- Steve

> + * @pre_xol:
> + * @post_xol:
> + *     XOL-related fixups @post_xol() (and possibly @pre_xol()) will need
> + *     to do for this instruction, and annotate @user_bkpt accordingly.
> + *     You may modify @user_bkpt->insn (e.g., the x86_64 port does this
> + *     for rip-relative instructions).
> + */ 

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