[Pharo-dev] [Vm-dev] Re: Status of Pharo VM for FreeBSD

[Eliot Miranda]

Hi Andreas,

On Sun, Mar 15, 2015 at 12:23 PM, Andreas Wacknitz <A.Wacknitz at gmx.de>
wrote:

>
>  Hi Eliot,
>
> as promised I checked what I did and found something I changed:
>
> The file platforms/unix/vm/sqUnixHeartbeat.c has the function void
> ioUpdateVMTimezone().
> It was changed to something similar to what is in Cog's
> sqUnixITimerHeartbeat.c:
>
>         void
>         ioUpdateVMTimezone()
>         {
>             updateMicrosecondClock();
>         #ifdef HAVE_TM_GMTOFF
>             time_t utctt;
>             utctt = (get64(utcMicrosecondClock) -
> MicrosecondsFrom1901To1970)
>                 / MicrosecondsPerSecond;
>             vmGMTOffset = localtime(&utctt)->tm_gmtoff *
> MicrosecondsPerSecond;
>         #else
>         # ifdef HAVE_TIMEZONE
>                 extern time_t timezone, altzone;
>                 extern int daylight;
>                 vmGMTOffset = -1 * (daylight ? altzone : timezone) *
> MicrosecondsPerSecond;
>         # else
>         # error "cannot determine timezone correction"
>         # endif
>         #endif
>         }
>
> One thing is striking: the call to updateMicrosecondClock() is here before
> the #ifdef HAVE_TM_GMTOFF while
> in sqUnixITimerHeartbeat.c it is after the #ifdef.
>

Ah OK.  Thanks!



> I don't know which one is correct (I may have copied it wrongly from
> sqUnixITimerHeartbeat).
> Albeit the one here seems to be correct in my eyes. What do you think?
>

I think you're absolutely right.  I'l make the change.


> (Side note: As far as I remember Solaris does not have tm_gmtoff and thus
> the else part is being executed).
>
>
> Regards
> Andreas
>

thanks, and welcome!


>
> Am 14.03.15 18:33, schrieb Andreas Wacknitz:
>
> Hi Eliot,
>
>  Am 11.03.2015 um 23:15 schrieb Eliot Miranda <eliot.miranda at gmail.com>:
>
>  HI Andreas,
>
> On Wed, Mar 11, 2015 at 9:55 AM, Andreas Wacknitz <a.wacknitz at gmx.de>
> wrote:
>
>>
>> Hi Clement,
>>
>>  Am 11.03.2015 um 09:23 schrieb Clément Bera <bera.clement at gmail.com>:
>>
>>  Hello,
>>
>>  About the FreeBSD VM, Holger Freyther worked on it so he's the best
>> person to answer. I think some people used it and it was at least partially
>> working.
>>
>> That’s my impression. The VMMaker contains some FreeBSD classes but I
>> have the impression that they are not complete (and probably outdated).
>>
>>
>>  About your NativeBoost bug on openSolaris,  need more information:
>>
>>  - Can you confirm that you use an intel processor on your openSolaris
>> machine ? I assume that yes but I ask because solaris were typically
>> running on other processors. NativeBoost, as of today, works only with
>> intel processor.
>>
>>   Yes, my Sun Ultra 24 is an Intel based Workstation (Q9300).
>>
>>   - Do you build the Cog VM or Stack VM ? I mean PharoVMBuild or
>> PharoSVMBuild ? I think the PharoSVMBuild does not include NativeBoost by
>> default, that may be your problem. There's a fix somewhere...
>>
>>   PharoVM from "branch 'master' of
>> https://github.com/pharo-project/pharo-vm" (thus Cog VM).
>>
>
>  I would like to fold back any changes into the svn master repository for
> Cog.   What are the diffs?  (If you have time to send me the diffs that
> would save me a lot of time).
>
> I don’t know whether there is much to harvest from what I did. As far as I
> remember most of my work was hacking the generator image created by the
> pharo vm scripts (for my Mac) in order to make
> the resulting C code to compile under openindiana. The basis for Solaris
> was already there (and as far as I can see it is also in the Squeak VM
> sources). I only tweaked some definitions and includes.
> I will look at my notes tomorrow and will post if I will find something
> relevant.
>
>  I am curios about the future of the PharoVM. The main development of the
> VM seem to happen in the SqueakVM (by you). Getting the Spur changes into
> the PharoVM seem to be a lot of work.
>  Wouldn’t it be better to move back the changes of the PharoVM into the
> SqueakVM and have a united development?
> And what is the status and what are the plans regarding Timothy’s
> (gettimothy) work?
>
>  Regards
> Andreas
>
>
>
>


-- 
best,
Eliot
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