Questions about software/hardware single step

Questions about software/hardware single step

[Jie Zhang]

Hi,
We are porting GDB to Blackfin. Currently, we have two kinds of the target.

1. Simuator which does not support single step.

2. Hardware board which supports hardware single step.

So we have to use software single step for simulator. And we expect to 
use hardware single step for hardware board.

Question:
Is it possible to choose between software single step and hardware 
single step depending on if hardware single step is available on target?

I searched the mailing list and found this 
<http://sourceware.org/ml/gdb/2001-09/msg00179.html>. I took a look at 
gdbarch.*. It seems that no one has implemented it in the last 4 years. 
Right?

Thanks,
Jie

Re: Questions about software/hardware single step

[Daniel Jacobowitz]

On Thu, Aug 18, 2005 at 09:27:09PM +0800, Jie Zhang wrote:
> I searched the mailing list and found this 
> <http://sourceware.org/ml/gdb/2001-09/msg00179.html>. I took a look at 
> gdbarch.*. It seems that no one has implemented it in the last 4 years. 
> Right?

Right.  No one's ever had the incentive to work on this or decide the
best way to resolve it.

-- 
Daniel Jacobowitz
CodeSourcery, LLC

Re: Questions about software/hardware single step

[Jie Zhang]

Daniel,

Thanks. Finally I found a simple way to simulate hardware single step
in simulator.

Jie

On 8/30/05, Daniel Jacobowitz <drow@false.org> wrote:
> On Thu, Aug 18, 2005 at 09:27:09PM +0800, Jie Zhang wrote:
> > I searched the mailing list and found this
> > <http://sourceware.org/ml/gdb/2001-09/msg00179.html>. I took a look at
> > gdbarch.*. It seems that no one has implemented it in the last 4 years.
> > Right?
> 
> Right.  No one's ever had the incentive to work on this or decide the
> best way to resolve it.
> 
> --
> Daniel Jacobowitz
> CodeSourcery, LLC
>