Gdb generates location list without DW_AT_frame_base

H. J. Lu hjl@lucon.org
Thu Dec 30 21:05:00 GMT 2004


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?


H.J.



More information about the Gdb mailing list