Re: [uClinux-dev] [PATCH/RFC] FDPIC: add hook for arches to customize program header parsing

[Jie Zhang]

On 12/07/2009 06:10 PM, Mike Frysinger wrote:
> On Fri, Dec 4, 2009 at 19:28, Jie Zhang<wrote:
> > On 12/05/2009 01:44 AM, David Howells wrote:
> > > Mike Frysinger<vapier@xxxxxxxxxx>    wrote:
> > > > The Blackfin port has custom program header flags/addresses for
> > > > automatically loading regions into the dedicated on-chip SRAM.  So add a
> > > > hook for ports to leverage.
> > >
> > > Now that I've ACK'd this, I feel I'm going to have to NAK it.  I'm not
> > > against
> > > the general concept, but:
> > >
> > > > +               do_munmap(mm, *maddr, phdr->p_memsz + *disp);
> > >
> > > There needs to be a mapping covering the SRAM region for the purposes of
> > > the
> >
> > Our GDB is still lack of the feature to debug applications using SRAM.
>
> semi true.  L1 text appears to work fine:

This is by lucky. We need some feature in GDB 7.0 to cope with code or 
data in L1 SRAM.


Jie
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