Re: Problem Assining Values to Arrays in GDB 4.17

[Michael Snyder <msnyder at specifix dot com>]

Perhaps you could use memcpy?

On Wed, 2008-04-02 at 18:31 +0200, JBWeeN wrote:
> First of all, thanks for read my message.
>   I am having the following problem:
> 
>    I am using GDB 4.17, I would like to upgrade it to a modern
> version, but I am obliged.
> 
>    In modern GDB releases I can assign directly values to an array
> using the following sintax:
>     (gdb)  set var myArray = {1.0, 2.0, 3.0, 4.0, 5.0,6.0}
> 
>    But in this release (GDB 4.17) If I use the same command, I get the
> following error:
>     (gdb)  set var myArray = {1.0, 2.0, 3.0, 4.0, 5.0, 6.0}
>     Invalid Cast
> 
>    Looking for information about the problem I found that I could
> solve the problem doing a direct cast:
>     (gdb)  set var myArray = {double *} {1.0, 2.0, 3.0, 4.0, 5.0, 6.0}
> 
>    I do not why, but this solution only works sometimes. Other times,
> it appears the following error:
>      Cannot access memory at address 0x545f98.
> 
>    It seems that GDB tries to modify myArray pointing to a new memory
> address, but it is very strange that this new address not exists.
> 
>    I know that I have another solution
>       (gdb) set myArray[0] = ...
>       (gdb) set myArray[1] = ...
>       (gdb) set myArray[2] = ...
>       (gdb) set myArray[3] = ...
> 
>    But I have a lot of GDB scripts with a lot of arrays assignments
> that use this syntax and I have to migrate them to GDB 4.17.
> 
>    Is there any other way to assign array values directly?
> 
>    Is there my only option to assing one by one? (I hope it is not)
> 
>    Thanks for all,
> 
>    Best Regards