[Vm-dev] VM Maker: VMMaker.oscog-rsf.1951.mcz

[Eliot Miranda]

Hi Fabio, Hi Ryan,

> On Nov 3, 2016, at 2:38 AM, Fabio Niephaus <lists at fniephaus.com> wrote:
> 
> Hi Eliot,
> 
> Just a quick heads up that Ryan and I are working on making the Newspeak bootstrapping process part of the build process on Travis/AppVeyor to be able to identify these kind of problems earlier. In the foreseeable future, we also might want to run the SUnit tests for the corresponding Smalltalk dialects after building a VM for the same reason.

Agreed.  We'll want a scheme that tells us if more tests have failed that the previous attempt, rather than one that tells us whether any tests have failed because we're still 20 to 30 tests away from a completely green test suite :-/

> 
> Fabio
> 
> -- 
> 
> On Thu, Nov 3, 2016 at 2:59 AM Ryan Macnak <rmacnak at gmail.com> wrote:
>  
> Hi Eliot,
> 
> I can confirm VMs built after this revert fully pass the Newspeak bootstrap and test suite.
> 
> Ryan
> 
> 
> On Wed, Nov 2, 2016 at 3:14 PM, Eliot Miranda <eliot.miranda at gmail.com> wrote:
> Hi Roni, Hi Ryan,
> 
> 
>     in the below you, Roni, added extBFirstZero.  As far as I can tell this breaks the newspeak (and Cadence (*)) VM.  I don't quite see the purpose of extBFirstZero and urgently need to restore the Newspeak and Cadence VMs.  So forgive me but I'm going to revert that part of the changes.  It has caused me to misdiagnose the problems with extPushInteger and genExtUnconditionalJump.  These I'll revert too.  If this breaks Lowcode then let's collaborate on developing a fix for Lowcode that doesn't break Newspeak and Cadence VMs.  But it's a priority of mine (they pay for my work) to keep these VMs working.
> 
> (*) The Cadence VM is a Newspeak VM that does not enforce access control.
> 
> 
> On Thu, Sep 8, 2016 at 9:53 AM, <commits at source.squeak.org> wrote:
> 
> Ronie Salgado Faila uploaded a new version of VMMaker to project VM Maker:
> http://source.squeak.org/VMMaker/VMMaker.oscog-rsf.1951.mcz
> 
> ==================== Summary ====================
> 
> Name: VMMaker.oscog-rsf.1951
> Author: rsf
> Time: 8 September 2016, 6:52:41.871669 pm
> UUID: c714858a-7f63-47bd-a9ec-4bc1350eead2
> Ancestors: VMMaker.oscog-rsf.1915, VMMaker.oscog-eem.1950
> 
> Integration of Lowcode.
> 
> Lowcode is an extended bytecode set that is encoded using the inline primitive facility from the SistaV1 bytecode set.
> 
> Building a VM with Lowcode requires the following VMMaker options:
> 
>         SistaVM true
>         LowcodeVM true
>         MULTIPLEBYTECODESETS true
>         bytecodeTableInitializer initializeBytecodeTableForSqueakV3PlusClosuresSistaV1Hybrid
> 
> IWST Slides:
> 
> http://www.slideshare.net/esug/lowcode-extending-smalltalk-with-c-types-to-improve-performance
> 
> In addition to these huge changes in the VM, Lowcode has some dependencies in some C headers with the inline FFI callout glue, and additional sqMemoryAccess.h macros. I will send a patch for inclusion into the OpenSmalltalk VM C sources.
> 
> =============== Diff against VMMaker.oscog-eem.1950 ===============
> 
> ...
> 
> 
> _,,,^..^,,,_
> best, Eliot
> 
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