[Vm-dev] implementing atomic operator

[Sebastián Krynski]

Ok thanks for your answers.  I will keep you updated as I make progress
El nov 6, 2015 2:37 PM, "Esteban Lorenzano" <estebanlm at gmail.com> escribió:

>
>
> On 06 Nov 2015, at 12:30, Eliot Miranda <eliot.miranda at gmail.com> wrote:
>
> Mariano,
>
> On Nov 4, 2015, at 5:14 PM, Mariano Martinez Peck <marianopeck at gmail.com>
> wrote:
>
>
>
> On Wed, Nov 4, 2015 at 7:34 PM, Sebastián Krynski <skrynski at gmail.com>
> wrote:
>
>>
>> Hello, as I mentioned before I'm starting to implement an atomic operator
>> (a swap between two variables).
>> I have compiled the StackVM (at least to get started) in Ubuntu 32bits.
>>
>
> Great!!!
>
>
>> A few questions:
>>
>> - Should I be working on generation.image while doing the
>> implementation? If so, should I be running the simulated VM running another
>> image while doing my tests?
>>
>
> As far as I know having a working simulator working requires quite some
> effort. At least, with a Pharo image. A couple of months ago (maybe a
> couple of years) there was another Argentinian which finally made the
> simulator to work with Pharo 2.0. You may want to get in touch with Nicolás
> Papagna Maldonado
>
> For the developments I did I always used the "generation.image" and then
> use the VM I built. I never used the simulator for real.
>
>
> Clément, Esteban and I use,  and I maintain, the Cog simulator.  How do
> you think the VM is developed in the first place?  It is easy to derive a
> squeak image containing the full simulator, and a little effort on fixing
> the transcript yields a working Pharo simulator image.  The scripts in the
> svn tree in the image directory build a full simulation image.  Scripts can
> and should be added there to build a Pharo simulator image.
>
> Please refrain from suggesting that the simulator is forked.  Sebastián,
> please talk with Clément and Esteban regarding simulation in Pharo.
>
>
> Simulator work in Pharo 4 and 5… I tested it in 5 not long ago. I made it
> work, however, in current spur branch (not in the master branch)…  I
> suppose in Pharo 3 (master is still running in Pharo3, for a couple of
> months now) can also work without much work.
> In Pharo 2 this was *not* working, for sure… but this is ancient history,
> no new developments should be using it :)
>
> Now, I can assure you this is not a fork, is the same VMMaker package used
> to generate all favours of the VM :)
>
> cheers,
> Esteban
>
>
> Mariano, you were hobbling yourself not using the simulator.
>
>
>
>> - Do you think it is possible to implement the operations in Slang or
>> using  #cCode:inSmalltalk:? Otherwise I will need to do it in assembler
>> and inline it
>>
>>
> Well...it depends on what you need to write exactly. Slang is quite
> limited since it must be automagically translated to C. So you must be
> careful in the "smalltalk" code you write with SLANG. To know more or less
> what you are able to write in SLANG you could take a look to
> #initializeCTranslationDictionary (at least this was some years ago).
>
> BTW, you may want to read this:
> https://marianopeck.wordpress.com/tag/slang/
>
>
> No, no, no, no :).  This level of Slang addresses the mapping of Smalltalk
> control structures and integer types to C control structures and integer
> types. It should *not* be used to add api calls.
>
>
>
> Cheers,
>
>
>
>
>> Thanks
>> Sebastián
>>
>>
>
>
> --
> Mariano
> http://marianopeck.wordpress.com
>
>
>
>
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