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Re: [avr-gcc-list] why are the whole source lines not all visible in .ls


From: gouy yann
Subject: Re: [avr-gcc-list] why are the whole source lines not all visible in .lst?
Date: Wed, 29 Sep 2004 09:50:12 +0200 (CEST)

Sorry for the missing attachment, here it comes.

regards.
   Yann

 --- Erik Christiansen <address@hidden> a écrit : 
> On Tue, Sep 28, 2004 at 11:04:28AM +0200, gouy yann
> wrote:
> > Hello,
> > I've made in simple example that shows a part of
> the problem.
> 
> There were no attachments in the received post, so I
> don't have any of
> your results to go on. :-(
> 
> > in file essai2.c, if you comment the line of the
> call to z(), the
> > essai.lst shows the source lines of functions x()
> and y(). if you
> > don't comment it, neither lines from x(), y() nor
> z() are shown.
> 
> Is it only C source lines that are missing, or the
> corresponding lines
> of assembler as well?
> 
> It wouldn't be that z() calls x() & y(), so they are
> dead code when z()
> is not invoked? GCC may be clever enough to discard
> dead code. (Just
> guessing) Does a -Wall show anything related?
> 
> > avr-nm doesn't shows the symbol for x(), y)( or
> z() but at the end of
> > the .lst file, you can find information about the
> source lines and
> > their corresponding asm address.
> 
> I'm not sure that I understand the second clause. I
> thought that this is
> what was missing.
> 
> In any event, the new information does seem to
> rapidly lead away from
> avr-objdump, doesn't it?
> 
> Erik
> 
>  

=====



        

        
                
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