Re: [RFC] minimal symbols on mips-irix and overlapping CUs...

[Daniel Jacobowitz <drow@mvista.com>]

On Sat, Nov 22, 2003 at 01:53:59PM -0500, Andrew Cagney wrote:
> >But Joel's case did have debugging information, I think - so just the
> >>minsyms are missing?
> >
> >
> >Yes, that's right. And one interesting thing I did find: "nm" on
> >mips-irix dumps the symbol from the symbol table AND the dwarf-2
> >info...
> 
> What about the ".pdr" section?
> 
> I get the feeling that core GDB has another really useful table just 
> beyond its fingertips - the unwind table - and that can be used to find 
> things like map from a pc to the function start/end/name/...:
> 
> - PPC64 has a traceback table just past the end of the function and that 
> can provide a pointer (tb_offset) back to the function's start
> 
> - For ia64, it must have similar (for that binary search to work)
> 
> - For MIPS there's this PDR section and it appears to have the function 
> start as well.

I don't believe that the IRIX tools generate .pdr.  I might be mistaken
about that, though.

-- 
Daniel Jacobowitz
MontaVista Software                         Debian GNU/Linux Developer