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Compiler/TMS320C6713B: Can I force Compiler version 7.4 to generate a COFF1 file rather than a COFF2 file

Shaunak Shilimkan
Intellectual 610 points
Part Number: TMS320C6713B

Tool/software: TI C/C++ Compiler

Hi,

I am trying to upgrade to C6000 compiler v7.4, however, I noticed that the binary output by the linker is a COFF2 file. Our legacy code expects a COFF1 file. Is there a way I could force the compiler to generate a COFF1 file. I already tried the linker option -v1.

Thanks very much.

Regards,

Shaunak

  • TI__Guru**** 244120 points

    Shaunak Shilimkan said:
    Is there a way I could force the compiler to generate a COFF1 file.

    Unfortunately, no.

    Shaunak Shilimkan said:
    Our legacy code expects a COFF1 file.

    So, you have some tool that reads the output of the linker, and it expects COFF1?

    Thanks and regards,

    -George

  • in reply to George Mock
    Intellectual 610 points

    Hi George,

    Yes we have a tool that copies .text, .data etc sections in the SDRAM. This runs before c_init00 and then branches control to c_init00. It is like a bootstraper.

    Regards,

    Shaunak

  • in reply to Shaunak Shilimkan
    TI__Guru**** 244120 points

    COFF2 was introduced some 15-20 years ago.  At this point, unfortunately, your choices are to keep using the old compiler, or update your bootstrap like tool.

    Thanks and regards,

    -George

  • in reply to Shaunak Shilimkan
    TI__Guru* 84225 points
    You should consider switching to using copy tables, perhaps BINIT. Copy tables copy select text and data objects from their load address to their run address, and the linker does all of the bookkeeping for you.