Vm-dev July 2011

vm-dev@lists.squeakfoundation.org

31 participants
164 discussions

VM Maker: VMMaker-oscog-IgorStasenko.95.mcz
by squeak-dev-noreply＠lists.squeakfoundation.org 07 Jul '11

07 Jul '11

Igor Stasenko uploaded a new version of VMMaker to project VM Maker: http://www.squeaksource.com/VMMaker/VMMaker-oscog-IgorStasenko.95.mcz ==================== Summary ==================== Name: VMMaker-oscog-IgorStasenko.95 Author: IgorStasenko Time: 7 July 2011, 12:15:17 am UUID: 84e8bbbc-a3dc-e84d-a2b2-ac33a6012b34 Ancestors: VMMaker-oscog-IgorStasenko.92, VMMaker.oscog-eem.94 - merge with oscog-emm.94

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VM Maker: CMakeVMMaker-IgorStasenko.119.mcz
by squeak-dev-noreply＠lists.squeakfoundation.org 07 Jul '11

07 Jul '11

Igor Stasenko uploaded a new version of CMakeVMMaker to project VM Maker: http://www.squeaksource.com/VMMaker/CMakeVMMaker-IgorStasenko.119.mcz ==================== Summary ==================== Name: CMakeVMMaker-IgorStasenko.119 Author: IgorStasenko Time: 7 July 2011, 12:14:24 am UUID: cc1afbaa-b9d1-ea4e-a1e9-64c5768a610b Ancestors: CMakeVMMaker-IgorStasenko.118 - added proper outputDir for windows configs - fixed build rules for FT2Plugin

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Freetype plugin on windows
by Igor Stasenko 07 Jul '11

07 Jul '11

Built it ok as external plugin, since in sources there is already a prebuilt library (freetype.a). The problem however is that VM crashing once you attempting to use it. I think i will do the same as for macs, and build library from scratch, because there is no clue, what version of freetype was used to build freetype.a and most probably it was compiled using pretty old compiler (2.95) which is used for years to build squeak vms. So, a reason of failure could be that it simply doesn't fit well with msys compiler which used to build cog. For curious, i attaching crash log. -- Best regards, Igor Stasenko AKA sig.

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VM Maker: CMakeVMMaker-IgorStasenko.118.mcz
by squeak-dev-noreply＠lists.squeakfoundation.org 07 Jul '11

07 Jul '11

Igor Stasenko uploaded a new version of CMakeVMMaker to project VM Maker: http://www.squeaksource.com/VMMaker/CMakeVMMaker-IgorStasenko.118.mcz ==================== Summary ==================== Name: CMakeVMMaker-IgorStasenko.118 Author: IgorStasenko Time: 7 July 2011, 7:19:54 am UUID: 3873a46f-a10d-8b47-a765-636c2c16445e Ancestors: CMakeVMMaker-IgorStasenko.117 - fixed pluginPlatform variable assignment (was not quoted) - added initial support for FT2Plugin and Win32OSProcessPlugins on windows platform

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VM Maker: CMakeVMMaker-IgorStasenko.117.mcz
by squeak-dev-noreply＠lists.squeakfoundation.org 07 Jul '11

07 Jul '11

Igor Stasenko uploaded a new version of CMakeVMMaker to project VM Maker: http://www.squeaksource.com/VMMaker/CMakeVMMaker-IgorStasenko.117.mcz ==================== Summary ==================== Name: CMakeVMMaker-IgorStasenko.117 Author: IgorStasenko Time: 6 July 2011, 4:38:41 pm UUID: e999ba93-ae97-4fcc-9af7-4b3711838355 Ancestors: CMakeVMMaker-IgorStasenko.116 - couple fixes for UnixOSProcessPlugin

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VM Maker: VMMaker.oscog-eem.94.mcz
by squeak-dev-noreply＠lists.squeakfoundation.org 07 Jul '11

07 Jul '11

Eliot Miranda uploaded a new version of VMMaker to project VM Maker: http://www.squeaksource.com/VMMaker/VMMaker.oscog-eem.94.mcz ==================== Summary ==================== Name: VMMaker.oscog-eem.94 Author: eem Time: 6 July 2011, 5:55:39 am UUID: 822402e5-3f77-4920-829f-9b4791abdc78 Ancestors: VMMaker.oscog-eem.93 A nt-very-good checker for missing #asSymbol slips.

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[Vm-dev] OSProcessPlugin: VMConstruction-Plugins-OSProcessPlugin.oscog-eem.31.mcz
by squeak-dev-noreply＠lists.squeakfoundation.org 07 Jul '11

07 Jul '11

Eliot Miranda uploaded a new version of VMConstruction-Plugins-OSProcessPlugin to project OSProcessPlugin: http://www.squeaksource.com/OSProcessPlugin/VMConstruction-Plugins-OSProces… ==================== Summary ==================== Name: VMConstruction-Plugins-OSProcessPlugin.oscog-eem.31 Author: eem Time: 6 July 2011, 5:36:47 am UUID: b7c551ed-5e67-4774-9285-3f4a291fccb9 Ancestors: VMConstruction-Plugins-OSProcessPlugin.oscog-eem.30 Fix bug in atexit call (slippery Slang). Simplify handleSignalFunctionAddress.

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New Cog builds available: included Freetype plugin on macs by default
by Igor Stasenko 07 Jul '11

07 Jul '11

Hello, i updated the ConfigurationOfCog and added verison 2.3 which now also loads freetype plugin into vmmaker image. I also made sure that plugin automatically builds on macs (no other platforms yet) and included it by default into CMakeVMMaker configs. There was some hiccups, i had to deal with: The autoconf toolchain (or most probably the configuration scripts for freetype library) don't like the spaces in path. So i have to rename all jobs on Hudson to avoid using spaces (because hudson creating a subdirectory for jobs with same name). The renamed jobs are: https://pharo-ic.lille.inria.fr/hudson/job/Cog-Mac-Carbon/ https://pharo-ic.lille.inria.fr/hudson/job/Cog-Mac-Cocoa/ https://pharo-ic.lille.inria.fr/hudson/job/CogMT-Mac-Cocoa/ https://pharo-ic.lille.inria.fr/hudson/job/StackVM-Mac-Carbon/ https://pharo-ic.lille.inria.fr/hudson/job/StackVM-Mac-Cocoa/ There is another idiosyncrasy: outdated toolchain for autoconf. I had to install mac ports on slave server. See http://code.google.com/p/cog/wiki/FT2Plugin for details. ( i tested Carbon builds, now they are including FT2Plugin). Esteban, could you please verify that it also works for Cocoa configs? I changed configs to include FT2Plugin by default in Cocoa configs as well, but i haven't tested builds. So, currently following builds should contain FT2Plugin by default: https://pharo-ic.lille.inria.fr/hudson/job/Cog-Mac-Carbon/ https://pharo-ic.lille.inria.fr/hudson/job/StackVM-Mac-Carbon/ Freetype library are built from scratch by downloading library sources directly from git repository (maybe its a bit too much, but it works). See /unixbuild/FT2Plugin/makeFreetype.sh this script is then used by cmake config to build libfreetype.a which is statically linked with freetype plugin. -- Best regards, Igor Stasenko AKA sig.

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VM Maker: VMMaker.oscog-eem.93.mcz
by squeak-dev-noreply＠lists.squeakfoundation.org 07 Jul '11

07 Jul '11

Eliot Miranda uploaded a new version of VMMaker to project VM Maker: http://www.squeaksource.com/VMMaker/VMMaker.oscog-eem.93.mcz ==================== Summary ==================== Name: VMMaker.oscog-eem.93 Author: eem Time: 6 July 2011, 3:32:10 am UUID: a811c33a-a695-452b-9090-e0984e33c100 Ancestors: VMMaker.oscog-eem.92 Sprinkle more <option: #NewspeakVM> pixie dust to avoid Neewspeak contagion creeping into the standard VMs.

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Stack Cog and Heartbeat
by Dimitry Golubovsky 07 Jul '11

07 Jul '11

Hi, What is the importance of heartbeat in Cog? What happens if heartbeat frequency is unstable or low? Concerning running Cog in Android: most of the time (between screen/hardware button presses) an activity (and any of Cog code) is just not running. I can give it periodic timer events, but if they are too frequent then CPU load is higher therefore battery drains faster. Cog gets control only when some external event is ready to be processed. Plus, I am not sure whether external signals are available to Android programs same way they are in Linux. Is it possible to replace external signal-driven heartbeat with some synchronous action invoked in the interpreter every N bytecodes, or just one beat at interpreter entry, one at exit? Sorry if my question is complete nonsense, but I feel like I need to ask anyway ;) Andeas' hack on classic VM (which is currently used in Android) was to return from the interpreter once the VM internal process queue is empty. I am thinking that instead of this I could create a special display module, and switch in and out the VM on calls to ioGetEvent. But classic VM did not have heartbeat, did it? Thanks. PS I realize that in such mode internal process management by the Cog VM is impaired, but my goal is to use it mostly for GUI anyway and rely more on host processes and threads. PPS I am interested in Stack VM only since JIT for ARM may not even exist at this moment. -- Dimitry Golubovsky Anywhere on the Web

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Vm-dev July 2011