Re: [PATCH] Extra error message from update_watchpoint

[Pedro Alves <palves@redhat.com>]

On 10/29/2013 04:44 PM, Andrew Burgess wrote:
> On 18/10/2013 6:18 PM, Pedro Alves wrote:
>> On 10/18/2013 10:20 AM, Andrew Burgess wrote:
>>> @@ -1946,8 +1946,13 @@ update_watchpoint (struct watchpoint *b, int reparse)
>>>  		}
>>>  	    }
>>>  	  else if (!b->base.ops->works_in_software_mode (&b->base))
>>> -	    error (_("Expression cannot be implemented with "
>>> -		     "read/access watchpoint."));
>>> +	    {
>>> +	      if (!can_use_hw_watchpoints)
>>> +		error (_("Software read/access watchpoints not supported."));
>>
>> Hmm, is this really "not supported", or rather "explicitly disabled"?
>> I think I'd prefer:
>>
>> 		error (_("Hardware watchpoints support disabled.  "
>> 			 "See set/show can-use-hw-watchpoints."));
>>
>> which also hints towards the toggle.  WDYT?
> 
> I used that error message as it matches the one I already added in:
>   https://sourceware.org/ml/gdb-patches/2013-10/msg00563.html
> but I don't really mind.

Whoops, I didn't really pay much attention to the string back then.

> Ideally you might want both bits of the error message, you've
> turned off H/W watchpoints so you need to be told that read/access
> watchpoints are not supported in S/W, but I agree, we should also
> let the user know that H/W watchpoints have been turned off and
> could be turned back on again.  That seems like too much for one
> error message though...  I'm happy to go with your suggestion.
> 
> Updated patch changes both error messages to match, OK to apply?

OK.

Thanks!

-- 
Pedro Alves