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Date: Mon, 07 May 2007 21:32:00 -0000
From: Andrew Cagney <cagney@redhat.com>
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To: Sami Wagiaalla <swagiaal@redhat.com>, frysk <frysk@sourceware.org>
Subject: frame->function
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Sami,

Just FYI, here's an ASCII version of the frame/function relationship 
diagram:

 .---FRAME--1:N--FUNCTION--1:N--BLOCK--1:N--VARIABLE
 |    | \           |  \
 `----'  \          |  1:N
         1:N        |    \
           \        |     `PARAMETER
            \       |
           FILE/LINE/COL

that is:

- an ABI stack frame has inner/outer FRAME

- an ABI stack frame, has one-or-more source function/method associated 
with it - more than one due too inlining

- A "function" has one or more "block scopes" associated with it

- A block-scope than has one or more variables associated with it

and: A frame as one-or-more FILE/LINE/COL's due to inlining ;; and the 
FUNCTION will also point into that same info - so that one can tell 
which function a file

Andrew