gcc 4.0 generates location list without DW_AT_frame_base

[H. J. Lu]

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.


H.J.