[Vm-dev] Re: New Cog VMs available

Eliot Miranda eliot.miranda at gmail.com
Sat Nov 15 18:55:03 UTC 2014

Apologies but  at least the Spur VMs are broken.  They don't load images.
Consequently I've taken down the files.  Normal service will be resumed

On Fri, Nov 14, 2014 at 3:11 PM, Eliot Miranda <eliot.miranda at gmail.com>

> ... at http://www.mirandabanda.org/files/Cog/VM/VM.r3133/.
> CogVM binaries as per VMMaker.oscog-eem.934/r3133
> These VMs should be functionally identical to the 3126 VMs; the core VM
> differs
> only in having been compiled from generated source that has been
> refactored to
> enable convenient 32-bit to 64-bit Spur image bootstrap.  I'm building and
> releasing them mostly to test that refactoring.  However, there is new DNS
> support on Windows and SSL support on Unix.  See below.
> Simulator/Slang:
> Refactor to allow 32-bit and 64-bit Spur to coexist
> in the simulator, thereby allowing a 64-bit bootstrap.
> Replace direct use of BytesPerWord, ShiftForWord, BytesPerOop and
> BaseHeaderSize
> with sends of wordSize, shiftForWord, bytesPerOop & baseHeaderSize
> respectively.
> Make sure these are still output as the manifest constants in the
> generated C.
> Eliminate use of bytesPerSlot in favour of bytesPerOop.  The use of sends
> is
> similar to those in trunk VMMaker, but I don't have time to merge.  Sorry
> :-(.
> Work-around use of sends for bytesPerOop in e.g.
>  generateToByDo:on:indent: and
> users of isConstantNode:valueInto:.
> Do a better job at inlining via inlineCodeOrNilForStatement:in:.  Comment
> in
> isNode:substitutableFor:inMethod:in: explains.
> Eliminate generic VM_LABEL support, labelling only the bytecodes in
> interpret.
> Eliminate use of LargeContextSize in the stack and cog VMs.  Alas haven't
> yet
> eliminated the frame offset constants such as FoxCallerSavedIP et al.  We
> only
> need one of the two word sizes of interpreter to be executable in the
> bootstrap.
> And remember to generate the GdbARMPlugin
> Add accessorDepths for the exported browser plugin primitives for Spur.
> Merge Levente's recent changes to DNS lookup on Windows and SSL on Unix.
> See
> http://squeakvm.org/cgi-bin/viewvc.cgi/squeak?view=revision&revision=2249
> http://bugs.squeak.org/view.php?id=7824
> Have the Unix & Mac VMs print the process id and working directory when
> blocking
> on error or assert fail.  Add scripts for the ARM VM archives.
> --
> best,
> Eliot

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