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Re: evaluate more complex expressions using gdb
- From: Daniel Jacobowitz <drow at false dot org>
- To: Bram Kuijper <a dot l dot w dot kuijper at rug dot nl>
- Cc: gdb at sourceware dot org
- Date: Wed, 27 Jun 2007 06:35:33 -0400
- Subject: Re: evaluate more complex expressions using gdb
- References: <468239D9.1090001@rug.nl>
On Wed, Jun 27, 2007 at 12:20:09PM +0200, Bram Kuijper wrote:
> Hi all,
>
> again a newbie question: can I also evaluate the result of subtractions,
> additions using the display command? Like some pointer arithmetics:
>
> display pointer1 - start_pointer
>
> If I do this, gdb gives me the following error:
>
> Disabling display 6 to avoid infinite recursion.
> 6: pointer1 - start_pointer = One of the arguments you tried to pass to
> operator- could not be converted to what the function wants.
>
> Is there any way to to this using gdb?
You probably need some casts. The error message means GDB found a
relevant overloaded operator- in your program for one of those types.
--
Daniel Jacobowitz
CodeSourcery