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From Gregory Shimansky <gshiman...@apache.org>
Subject Re: [drlvm] linking with runtime libraries on windows
Date Fri, 07 Dec 2007 13:50:19 GMT
Alexey Varlamov пишет:
> Good news here.
> A couple of memory corruption bugs were resolved recently, so I was
> able to integrate the fix at r602080.
> As a bonus, total size of drlvm dlls become less for ~4M on Win32 and
> ~12M on Win64. Not bad IMO ;)

This is really good news. Thank you Alexey!

> PS Beware to do clean rebuild of drlvm.
> --
> Regards,
> Alexey
> 2007/10/19, Gregory Shimansky <gshimansky@apache.org>:
>> Alexey Varlamov wrote:
>>> Guys, I've filed HARMONY-4973 with workable patch.
>>> Bad news is that there are spurious errors in gc_gen shutdown (see the
>>> JIRA for details), most possibly corrupted heap :(. BTW,  I possibly
>>> found mismatching "delete" vs "free" usage:
>>> vm/gc_gen/src/thread/marker.cpp:143:  delete marker->trace_stack;
>>> vm/gc_gen/src/thread/collector.cpp:223:  delete collector->trace_stack;
>>> But those are not the rootcause. Any help or ideas will be appreciated...
>> There was a reported problem with recent updates that some tests crash
>> on shutdown with diagnostics about corrupted C heap. There is a JIRA
>> that might help with it (HARMONY-4960). I am currently testing it and
>> I'll report whether it fixes corrupted heap on interpreter. Maybe heap
>> is actually corrupted in JIT mode as well, but MSVC checks don't detect
>> it when VM is built without your patch.
>>> 2007/10/17, Alexey Varlamov <alexey.v.varlamov@gmail.com>:
>>>> A kind of roadblock here is the initial issue of debug vs release
>>>> runtime DLLs. It is desirable to have fully redistributable debug
>>>> build, isn't it? So it would be nice to avoid MSVCR71D.DLL dependency.
>>>> Actually the sole thing which requires debug runtime is the
>>>> disable_assert_dialogs() feature, which may affect release build as
>>>> well - e.g. if we compile release but w/o NDEBUG to leave asserts
>>>> enabled. I'll try to dig if it can be workarounded.
>>>> --
>>>> Alexey
>>>> 2007/10/17, Gregory Shimansky <gshimansky@apache.org>:
>>>>> Alexey Varlamov wrote:
>>>>>> Hi all,
>>>>>> Looking on HARMONY-3964 "[drlvm][build] missing MSVCR71D.DLL
>>>>>> dependency for debug builds", I'm surprised to realize that only
>>>>>> dlls in VM ever depend on MSVCR*.DLL, no matter release or debug.
>>>>>> All the rest of VM is linked against static LIBCMTD.LIB so every
>>>>>> carries it's own copy of C runtime, with independent heaps and static
>>>>>> data! Now it explains all that troubles with bad frees in
>>>>>> HARMONY-3772, and why each dll has to disable assert dialog
>>>>>> individually (HARMONY-4715). I've just tried fully dynamic build
>>>>>> indeed all these problems are gone.
>>>>>> I guess why it was done so, and the only reason I could think of
>>>>>> historycal. Does anyone knows other explanation? Otherwise I believe
>>>>>> the build must be fixed to link with MSVCRxx.DLL always. Especially
>>>>>> we already redistribute them with classlib.
>>>>> I agree very much that dynamic build would be much better. The only
>>>>> reason why it wasn't done I think is that it just wasn't easy to do this
>>>>> in the current ant based build system. If you can do it please go ahead
>>>>> and commit!
>>>>> BTW don't forget about windows x86_64.
>>>>> --
>>>>> Gregory
>> --
>> Gregory

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