Recursive call to stepi and "Max user call depth exceeded"

Pedro Alves pedro@codesourcery.com
Fri Nov 4 17:23:00 GMT 2011


On Friday 04 November 2011 17:03:53, Thomas Baruchel wrote:
> Hi,
> 
> I tried to use the following trick:
> 
> define s
> info float
> stepi
> s
> end
> 
> (based on an idea found there:
> http://stackoverflow.com/questions/7940963/trace-application-compiled-by-gcc )
> 
> But I soon encountered the error:
>    Max user call depth exceeded -- command aborted.
>
> What I am trying to do is: print the fpu register after each machine instruction
> (of course output is parsed by an external program), but using a recursive
> function obviously is a bad idea. How can I run my program step by step
> and print the fpu after each step? Regards,

Right, don't make the command recursive.  That was bogus advice.

  (gdb) define mystepi
   > si
   > info float
   > end
  (gdb) while 1
    > mystepi
    > end

Or instead:

  (gdb) define hook-stop
   > info float
   > end
  (gdb) while 1
   > si
   > end

-- 
Pedro Alves



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