gcc 4.0 generates location list without DW_AT_frame_base

[Daniel Berlin]

On Fri, 31 Dec 2004, H. J. Lu wrote:

> On Thu, Dec 30, 2004 at 07:35:13PM -0500, Daniel Berlin wrote:
>>
>>
>> On Thu, 30 Dec 2004, H. J. Lu wrote:
>>
>>> On Thu, Dec 30, 2004 at 03:56:33PM -0500, Daniel Berlin wrote:
>>>>
>>>>> And what's in the location lists?  If it's DW_OP_fbreg, then I presume
>>>>> it's a GCC bug.  According to my reading of the DWARF spec, anyway.
>>>> It is.
>>>>
>>>> I added code to tell it when not to use fbreg, but i only told it not to
>>>> use fbreg in the location expression when we were outputting the
>>>> frame_base attribute.
>>>>
>>>> However, it appears we don't output a frame base attribute for external
>>>> procedures, so we need to tell it it can't use if we don't have a frame
>>>> base attribute.
>>>>
>>>> You just need to change when loc_descriptor is called with a second
>>>> parameter of true/1 to fix this.
>>>
>>> Do you have a patch I can try?
>>
>> This may not fix all of them, but it should help.
>
> It doesn't help tls_symbolic_operand at all.

Then i need you to determine where loc_descriptor is called with 
can_use_fbreg == 1 for the location list that you are referring to

>
>
> H.J.
>