c55x port howto?

[Nick Clifton]

Hi Jaspreet,

> I need to extend bfd backend to support TI C55x COFF files. I have 
> copied the *c54x* and renamed them to *c55x*. In doing so I can run
> objdump on a c55x file format but the section data has the wrong
> endianess. I haven't been able to affect the section data format.

Are you saying that  TI C55x COFF format files stores the section data
in a different endianess from the section headers ?

> and the bfd_target looks like:
> const bfd_target tic55x_coff2_vec =
> {

>   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
>   bfd_getb32, bfd_getb_signed_32, bfd_putb32,
>   bfd_getb16, bfd_getb_signed_16, bfd_putb16,   /* data */
>   bfd_getl64, bfd_getl_signed_64, bfd_putl64,   
>   bfd_getl32, bfd_getl_signed_32, bfd_putl32,
>   bfd_getl16, bfd_getl_signed_16, bfd_putl16,   /* hdrs */

Perhaps these need to be changed.  The TI C54x port uses:

    bfd_getl64, bfd_getl_signed_64, bfd_putl64,
    tic54x_getl32, tic54x_getl_signed_32, tic54x_putl32,
    bfd_getl16, bfd_getl_signed_16, bfd_putl16,	/* data */
    bfd_getb64, bfd_getb_signed_64, bfd_putb64,
    bfd_getb32, bfd_getb_signed_32, bfd_putb32,
    bfd_getb16, bfd_getb_signed_16, bfd_putb16,	/* hdrs */

Note the special functions for reading and writing 32bit data.

Cheers
        Nick