Re: GDB startup session with Eclipse

[Guillaume MENANT <guillaume.menant@geensys.com>]

Thanks. I've seen this part about the '+' and '-' but I haven't realized that
it was in both sides :-/ Here is the current conversation between my
software (<-) and GDB controlled by Eclipse (->) :

-> 'qSupported'
<- 'qXfer:memory-map:read+'
-> '-'
-> '-'
-> '-'
-> '+'
-> '+'
-> 'Hc-1'
<- ''
-> '+'
-> 'qC'
<- ''
-> '+'
-> 'qOffsets'
<- ''
-> '+'
-> '?'
<- ''
-> '+'
-> '3' (just after this one an error occurs in Eclipse)

I don't support  '-' and '+' from GDB for now but I don't understand why it
sends me 3 '-' and then 2 '+'. 

I will test directly with GDB in remote mode in order to see if I have the
same issues.

Thanks.


Daniel Jacobowitz-2 wrote:
> 
> On Wed, Dec 19, 2007 at 09:01:02AM -0800, Guillaume MENANT wrote:
>> 
>> Thanks for your answer. Eclipse sends me the ? command and then it waits
>> and
>> a message "Target selection failed" pops up and "target not responding
>> (timeout)" in the details of the error.
>> 
>> Before that, Eclispe just sends a '03' character. What does Eclipse waits
>> ? 
> 
> I don't know.  To stop the target if it's running?  \003 is an
> interrupt.  Still, it shouldn't be doing this.
> 
> Eclipse does not send anything.  Eclipse is running GDB in the
> background.  Try reproducing problems using GDB from the command line,
> and then you can turn on remote protocol debugging to follow the
> conversation.
> 
>> Another question is about characters sent by eclipse like '2d' or '2b'.
>> What
>> are their purpose ?
> 
> Those are + and -.  Read the Overview section, where it talks about
> acknowledgements.
> 
> 
> -- 
> Daniel Jacobowitz
> CodeSourcery
> 
> 

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