Re: TRACE implementation

[Nicholas Mc Guire <hofrat at opentech dot at>]

On Wed, 21 Oct 2009, Michael Snyder wrote:

> sumanth wrote:
>> Hi ,
>>
>>        I am talking about "gdb tracepoints" only. I am asking for "How  
>> can I implement them in GDB ?"
>
> Great.  Thanks for the clarification.
> Partial answer: you don't have to implement them in gdb.
> They're already implemented in gdb.
>
>>        means, where I can start with. Heard something about remote 
>> stubs 
>
> Yes, that's correct.  GDB already knows how to tell a stub
> to collect trace data.  You need to implement a stub that
> understands the trace commands that gdb will send to it.

One implementation for GDB 6.3-6.6 is available at

ftp://dslab.lzu.edu.cn/pub/gdb_tracepoints

this is the stubs in gdbserver and a few (bug)fixes in the core
gdb routines that were needed.

thx!
hofrat