Re: Overlay support broken (Re: [patch] [2/2] Discontiguous PSYMTABs (psymtabs->symtabs by addrmap))

Doug Evans
2008-05-12T22:24:30Z

On Mon, May 12, 2008 at 1:39 PM, Daniel Jacobowitz <drow@false.org> wrote:
> On Mon, May 12, 2008 at 01:06:44PM -0700, Michael Snyder wrote:
> > I wrote that overlay code over 10 years ago.
> > I wonder whether anyone still uses it?
>
>
> On Mon, May 12, 2008 at 10:32:32PM +0200, Jan Kratochvil wrote:
> > I generally considered the overlays to be no longer supported and just still
> > not removed from the code. While reading other GDB code I was feeling overlays
> > are no longer supported on multiple places but sure I may be wrong.
> >
> > Could you please name which current arch is dependent on overlaying?
>
> As you may be able to guess from context, the answer is SPU :-)

Ah hah! :-)

> Each SPE has only a 256K local store which it uses for code, stack,
> and heap. That's not very much space, so overlays are frequently
> required.

Yep.