[PATCH tracing/kprobes v2 1/5] tracing/kprobes: Rename special variables syntax

[Masami Hiramatsu]

Frederic Weisbecker wrote:
> On Mon, Oct 05, 2009 at 05:11:05PM -0400, Masami Hiramatsu wrote:
>> Frederic Weisbecker wrote:
>>> Hmm, the problem is that %1, %2, etc. is not very self-explainable.
>>>
>>> May be %arg1, %arg2, etc.. But would that sound confusing since we
>>> have % for registers?
>>
>> As I sent right now, how about %argumentN ? it will not conflict with
>> register names...
>>
>
> There are archs that have %arg0 %arg1, ... as register names?
>
> Well, arg(n) looks shorter but I won't personnally mind if
> we eventually chose %argumentN. It's also clear, self-explainable
> and it won't collide.

Hmm, one idea hits me, how about this? :)
- %register
- %%spvars (%%retval, %%arg0)

Thank you,

-- 
Masami Hiramatsu

Software Engineer
Hitachi Computer Products (America), Inc.
Software Solutions Division

e-mail: mhiramat@redhat.com