Thread: ELF conversion suggestions needed

  1. #1
    Registered User
    Join Date
    Sep 2006
    Beaverton, Oregon, United States

    ELF conversion suggestions needed

    An assembler that supports ELF, among other formats is being adapted to handle the Atari Jaguar systems RISCs.

    Atari Jaguar - Wikipedia, the free encyclopedia

    The Jags GPU RISC has a Jaguar specific MOVEI relocation that the programmer is scratching his head on how to represent that in ELF format.

    ATM the Jaguar-specific MOVEI
    relocation is only supported in a.out format.

    If I knew how to represent that in ELF I could add it, of course.
    Here is a link to the Jaguar v8 tech reference manual that has the needed information:

    If anyone is an ELF expert and has ANY suggestions they would be greatly appreciated.

    Here is the assembler being adapted:

    vasm portable and retargetable assembler

    Thank you for your time and any assitance anyone has to offer.

  2. #2
    Registered User
    Join Date
    Sep 2006
    Beaverton, Oregon, United States
    When I asked him what help he needed this was the vasm authors reply:

    Yes. You have to point me to a document which describes the ELF format
    for the Jaguar RISC CPU. The minimal information includes:

    - e_machine, a 16-bit code which identifies the ELF-CPU
    - description of all relocation types and their ELF id-number
    - do these relocations generally include an addend (.rela) or not (.rel)?
    I told him there was no gpu ELF format and it would have to be created the same way it was for everything else at one time.

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