[Vm-dev] [CRAZY IDEA] "Breakpoints" in the VM from SLANG

[Igor Stasenko]

well, you can use
self flag: #abdede

and then find this in source code and put break there.

On 12 April 2011 13:40, Mariano Martinez Peck <marianopeck at gmail.com> wrote:
>
> Probably not crazy but stupid or impossible to achieve...but anyway, I want to ask..
>
> Scenario: I find myself navigating the VMMaker code (SLANG) and I want to put a "self halt" somewhere there. Forget the simulator for the moment. So...I need to go to C, and "translate in my mind" what that part of SLANG should look like in C, and search it in the C code. XCode is FAAAR to slow to browe the interp.c . Morever, with inlined methods it is even more difficult to find...
>
> Anyway, I was thinking how cool could be to create breakpoints from VMMaker. I think it is not possible to put breakpoints in C code, but what about doing something like:
>
> Interpreter >> haltVM
> "find a better name for this method"
> self cCode: 'raise(SIGINT); '
>
> Of course, we need to add a
> #include <csignal> // or signal.h if C code
>
> I have NO IDEA the implicance or side effects of doing this. I haven't tried either.
>
> And it is complicated to do it cross platform..etc. Here is a link to do more or less this idea:  http://stackoverflow.com/questions/4326414/set-breakpoint-in-c-or-c-code-programmatically-for-gdb-on-linux
>
> What I want is that if we are running with GDB and the VM calls haltVM()  then the GDB is paused so that I can do bt, etc...
>
> What do you think?
>
> --
> Mariano
> http://marianopeck.wordpress.com
>
>
>



-- 
Best regards,
Igor Stasenko AKA sig.