[Vm-dev] Cannot build successfully latest VM

[Nicolas Cellier]

Since I experienced mangled display when generating source with
VMMaker.oscog-cb.2274,
I suspect that the problem is related to genPrimitiveStringReplace
introduced in VMMaker.oscog-cb.2273

2017-11-24 16:45 GMT+01:00 Nicolas Cellier <
nicolas.cellier.aka.nice at gmail.com>:

> I can generate a working Win64 squeak cog spur VM at least up to
> VMMaker.oscog-cb.2272, no time to finish bissecting right now...
>
> 2017-11-24 11:37 GMT+01:00 Nicolas Cellier <nicolas.cellier.aka.nice@
> gmail.com>:
>
>> Hmm, I tried to fix declaration of unskew, but it does not seem enough...
>>
>> 2017-11-23 21:06 GMT+01:00 Nicolas Cellier <nicolas.cellier.aka.nice at gmai
>> l.com>:
>>
>>> Hi Clement,
>>> I let a comment on line 1972 of src/plugins/BitBltPlugin/BitBltPlugin.c
>>> <https://github.com/OpenSmalltalk/opensmalltalk-vm/commit/1dd1a9c0d61ed1c367fb226e59ce0386af3bf5ed#diff-e013b6766a05037812d48960702c0910>
>>> on commit
>>> https://github.com/OpenSmalltalk/opensmalltalk-vm/commit/1dd
>>> 1a9c0d61ed1c367fb226e59ce0386af3bf5ed
>>>
>>> and another one in https://github.com/OpenSmallta
>>> lk/opensmalltalk-vm/commit/4ff34235c24ea2fd690287f96a73834e744ad6c9
>>>
>>> The problem is that a local variable unskew was generated as unsigned
>>> int instead of int in BitBlt, but we then test if unskew < 0 which is
>>> obviously going to be eliminated as dead code...
>>>
>>> I did not try to compile the VM, but I'm pretty sure this is related.
>>>
>>> 2017-11-23 17:00 GMT+01:00 Clément Bera <bera.clement at gmail.com>:
>>>
>>>>
>>>> Hi,
>>>>
>>>> The latest VM that I build from open-smalltalk VM 2278 or 2280 does not
>>>> work (Stack overflow at start-up OR bugged UI with strange color making any
>>>> text impossible to read).
>>>>
>>>> I have the problem on 2 different computers, Mac OS X and Linux.
>>>>
>>>> I am able to build successfully the VM from 2274 but I can do it only
>>>> with a previous version of the platform files (else I got a linking error -
>>>> scavengeLog: used but not implemented).
>>>>
>>>> I am not sure the problem comes from the recent platform files or the
>>>> recent changes in the VMMaker packages since they need each other to be
>>>> able to be compiled.
>>>>
>>>> What is the right way to work around this problem ?
>>>>
>>>> I am about to commit on VMMaker package Sista update but I cannot merge
>>>> with 2280 since I can't compile a working VM from there, so I'll commit
>>>> without merging if I cannot solve this problem
>>>>
>>>> Thanks,
>>>>
>>>> --
>>>> Clément Béra
>>>> https://clementbera.wordpress.com/
>>>>
>>>>
>>>
>>
>
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