Re: TRACE implementation

[sumanth <sumanth.gundapneni@redpinesignals.com>]

Hi Michael,
                   My gdb talk to jtag device  directly through parallel 
port.  There is no agent and no serial
                   protocol implemented in mine. So, challenge now is, 
how can I proceed in order to achieve
                   the task ( enabling trace point data collection  
feature in my toolchain's debugger)
Your response is deeply appreciated.

Thanks in advance,
sumanth G

   
Michael Snyder wrote:
> sumanth wrote:
>> Hi Michael,
>>                     Very pleased with the information you provided. 
>> Still I have certain doubts in mind.
>>                     Tracepoints can b implemented through either 
>> remote stubs or gdbserver or gdb agents (byte-coding).
>>                      Is this 
>> true?..................................................
>>                      which can be best suited to me as I am accessing 
>> my fpga/processor through a parallel port jtag. I dont want to
>>                     burden my processor by running a server on it.
>>                     The problem here , I googled in net and I didn't 
>> even find a single prototype to have a fell of how to trace 
>> data(trace points)  on my target .
>
> Sumanth,
>
> How does gdb talk to your jtag device?  Is it
> a) directly to the parallel port, or
> b) through a serial connection to an agent that controls the parallel 
> port?
>
> If b, and if using the gdb remote serial protocol, then there's your
> agent into which you can add the tracepoint smarts.
>
> Michael
>
>
>