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    SubjectRe: [uClinux-dev] [PATCH/RFC] FDPIC: add hook for arches to customize program header parsing
    On Sat, Jun 13, 2009 at 12:13, Jamie Lokier wrote:
    > Mike Frysinger wrote:
    >> From: Jie Zhang <jie.zhang@analog.com>
    >>
    >> 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.
    >
    > What does this have to do with FDPIC?  I don't see anything that is
    > specific to FDPIC about this code, other than FDPIC being the type of
    > ELF used on Blackfin.  If an MMU were added to some future Blackfins,
    > wouldn't this code be used for non-FDPIC ELF too?

    no, because with a MMU, the memory would be virtualized and we could
    handle it dynamically

    > It looks like a way for certain special executables to load themselves
    > into fixed regions of the on-chip SRAM - and promptly crash if another
    > executable does the same.  Not so much a general executable format, as
    > a hack to load something specific which should only be done once at a
    > time.  What am I missing here?

    the addresses are keys, not fixed and/or "real" addresses
    -mike
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