libbsd kernel namespace generation

[Sebastian Huber]

Hello Chris,

On 22/07/2021 10:44, Chris Johns wrote:
> Hello,
> 
> Libbsd uses the pre-processor to map all the kernel calls into a libbsd kernel
> name space by prepending _bsd_ to each symbol. The script ...
> 
> https://git.rtems.org/rtems-libbsd/tree/create-kernel-namespace.sh?h=6-freebsd-12
> 
> ... generates the list and the result is pushed into the repo. The symbols need
> to be regenerated when new sources are added into the `freebsd` tree.
> 
> The script has a few issues:
> 
> 1. Objdump does not work on FreeBSD for different archs.
> 
> 2. Binutils is being removed from FreeBSD base.

what would be the alternative?

> 
> 3. A number of BSPs need to be built to cover all the possible symbols
> 
> I would like to document the list of BSPs a generate needs to cover. I propose:
> 
>   arm/xilinx_zynq_a9_qemu
>   aarch64/xilinx_versal_lp64_qemu
>   i386/pc686
>   powerpc/mvme2307
>   sparc/erc32

Basically if you import code you just have to build a BSP which covers 
the imported code. Then you use ...

> 
> Also the documentation says to use `git add -p` to add the changes. How does an
> interactive add help?

git add -p

to add only the changes relevant to the imported (or removed or changed) 
code.

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