Re: MI: -file-list-exec-source-files

[Daniel Jacobowitz <drow@false.org>]

On Sun, Jun 04, 2006 at 12:03:33PM +1200, Nick Roberts wrote:
>  > >  > Sounds like we should implement duplicate removal from the UI lists?
>  > > 
>  > > I'm not sure.  It may take GDB longer to remove the duplicate entries than
>  > > it does for Emacs to read them.  It would be best not to create them in the
>  > > first place, but maybe that's not easily done.
>  > 
>  > There are two potential sources of duplication: bugs, e.g. in our
>  > processing of symbol vs. line information, and actual duplicate entries
>  > in the debug info.  As Susan correctly noted, the duplicates are often
>  > legitimate and discarding them entirely would be bad.  
> 
> OK, I didn't realise that.  How do we distinguish between these and those
> which aren't needed?  Will the legitimate ones always have a non-NULL dirname

Let me try being more explicit about this, since I think I'm not
communicating :-)

It sounds like a bug, or at least sub-optimal behavior, in the dwarf
reader.  Someone should figure out why it happens, and how to stop it.

-- 
Daniel Jacobowitz
CodeSourcery