patch for info threads problem with target arm-elf (PR 1199).

[Andrea Michelotti]

Daniel Jacobowitz wrote:

>On Fri, Jul 25, 2003 at 10:10:40PM -0400, Andrew Cagney wrote:
>  
>
>>>-  /* Avoid coredumps which would happen if we tried to access a NULL
>>>-     deprecated_selected_frame.  */
>>>-  if (!target_has_stack)
>>>-    error ("No stack.");
>>>+  /* Check that there really is a frame.  This happens when a simulator
>>>+     is connected but not loaded or running, for instance.  */
>>>+  if (saved_frame_level < 0)
>>>+    error ("No frame.");
>>>      
>>>
>>This would only happen to old architectures (legacy_get_prev_frame). 
>>With new architectures (get_prev_frame), frame creation is so lazy that 
>>an inner most frame is (hopefully?) always created.  Can you make this 
>>check conditional on legacy_frame_p?
>>    
>>
>
>Ah, that's the bit I was missing.  Thanks, sounds reasonable to me.
>
>  
>
I've tried the patch, it's ok.
thanks.
ciao
Andrea.

--------------------------------------
Andrea Michelotti 
HW/SW Co-Design Manager
IPITEC (ATMEL)