Quoth davidnicol@[...].com ("David Nicol"):
>  On Tue, Jul 22, 2008 at 3:11 AM, Yitzchak Scott-Thoennes
>  <sthoenna@[...].org> wrote:
>  > I think what he really wants is neither line & char nor opcode, but to
>  > partition calls by the innermost block of the caller.
>  
>  You're right.  I've been there too.  The problem is, differentiating
>  unique instances of a called function.  Creating a key by combining
>  __LINE__ and __FILE__ as provided from caller works except when there
>  are more than one instace on a line of code.  If there is any
>  available value that would be unique per instance of a called
>  function, a way to access it would be most nifty.
>  
>  The address of the node in the op-tree so far up the stack will be
>  unique for a unique instance, and stable.  Is that obtainable?

I posted code to obtain the address of the op we will return to. Is that
not what you mean?

Ben

-- 
I touch the fire and it freezes me,                      [ben@[...].uk]
I look into it and it's black.
Why can't I feel? My skin should crack and peel---
I want the fire back...                     BtVS, 'Once More With Feeling'