Re: [Schemix-devel] Using AVCALL library to call random functions in the kernel

[William Bland]

Hi Cory,

As you probably guessed from how long it took me to reply, I don't get
much time these days to play with Schemix.  I took a quick look at
AVCALL though, and it looks perfect for allowing Schemix to call
arbitrary kernel functions.  Excellent find!

If there's anything I can do to help out, feel free to ping me and/or
this list again.  I can't promise I'll be able to reply quickly, but
I'll do what I can.  Good luck!

Cheers,
Bill.


On 10/26/06, Cory Cross <address@hidden> wrote:
> Hello everyone (anyone?),
>     I stopped working on this a while ago after getting dead-locked on a
> foreign-function-interface library but remained interested. I ran across
> AVCALL many months ago and finally decided to make it work. I tried
> libffi, but it has many userland dependencies.
>
> Progress: Got compilation and primitive function of avcall.
> Next steps: Bring in vacall. Make both access any given function in the
> kernel. Integrate into Schemix's kernel-lambda. (Of course, I still need
> to locate my old Schemix files somewhere...)
>
> My steps:
> 1. Download attached files and place in separate directory mod-avcall
> 2. Download ffcall (I used version 1.10) and compile avcall
> 3. From avcall directory, copy avcall.h and .libs/libavcall.a to mod-avcall
> 4. Run "make" in mod-avcall
> 5. I added "V=1" to the Makefile for verbosity. The last thing "make"
> does is link cory.o and cory.mod.o to create cory.ko. Copy this command,
> then add "libavcall.a" to the end, in effect linking cory.o, cory.mod.o,
> and libavcall.a to create a kernel module "cory.ko"
>
> Cory Cross
>
>
> #MODULE := cory.ko
>
> OBJS := cory.o libavcall.a
>
> obj-m   := cory.o
>
> #CFLAGS += -E
> LDFLAGS = -v
>
> all:
>         make -C /lib/modules/$(shell uname -r)/build M=$(PWD) V=1 modules
>
> clean:
>         make -C /lib/modules/$(shell uname -r)/build M=$(PWD) clean
>
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--
William Bland: http://www.abstractnonsense.org/
Lisp documentation: http://www.lispdoc.com/