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



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