[Caml-list] <newbie> Debugging mixed ocaml-C code.

[Caml-list] <newbie> Debugging mixed ocaml-C code.

[Corey O'Connor]

I'm having some troubles wrapping my head around working with both C
and Ocaml code in the same project. If anybody could answer some
questions for me that'd be great. :-)

How does ocamldebug behave with mixed ocaml-C code? Can I debug the C
code within ocamldebug? Or does the C code have to be debugged
separately from the OCaml code?

Are there any caveats to using the interactive environment with mixed
Ocaml-C code?

Thanks!
-- 
-Corey O'Connor

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Re: [Caml-list] <newbie> Debugging mixed ocaml-C code.

[Eric Stokes]

On Jul 22, 2004, at 10:34 AM, Corey O'Connor wrote:

> I'm having some troubles wrapping my head around working with both C
> and Ocaml code in the same project. If anybody could answer some
> questions for me that'd be great. :-)
>
> How does ocamldebug behave with mixed ocaml-C code? Can I debug the C
> code within ocamldebug? Or does the C code have to be debugged
> separately from the OCaml code?

gdb should work with C code linked with Ocaml, you should be able to 
set a breakpoint
in a C function, and run the caml code which calls the function. I have 
also had good luck
with valgrind if you're on x86.

>
> Are there any caveats to using the interactive environment with mixed
> Ocaml-C code?
>

Not many. If your OS does not support dynamic linking, and/or you don't 
build
your glue module as a dynamic library then you will need to make a new 
custom
toplevel environment. ocamlmktop -custom .... Other than that, and the 
fact that
C code is not type safe it is completely transparent.

> Thanks!
> -- 
> -Corey O'Connor
>
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