Re: [Dle-develop] [PATCH tracing/kprobes v2 1/5] tracing/kprobes: Rename special variables syntax

[Frederic W. <fwe...@gm...>]

On Mon, Oct 05, 2009 at 05:05:32PM -0400, Masami Hiramatsu wrote:
> Frederic Weisbecker wrote:
>>> - @global-symbol
>>
>>
>> We could use global-symbol as is. Shadowing between global
>> and local vars could be dealt with scope resolution:
>>
>> function:var
>> file:var
>> file:line:var
>>
>> And throw errors while submitting a shadowed var name, crying until
>> the user defines the scope, only if needed of course (if there are
>> no shadowing detected, we can submit a naked variable name).
>
> Sure, via perf-probe, global/local symbols will be translated into
> @address by debuginfo.
> But without debuginfo, we still need @symbol syntax for accessing
> global defined symbols.



Ah right.


>>> - +|-Offs(ARG)
>>
>> You mean for arg numbers?
>> So we would have +1 for argument 1?
>
> Sorry for confusing you, it is for deref syntax.


Ok :)