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Date: Mon, 25 Jun 2007 18:26:59 +0400
From: "Alexei Fedotov" <alexei.fedotov@gmail.com>
To: dev@harmony.apache.org
Subject: Re: [drlvm][init] -XX:vm.dlls is proposed to be -XX:vm
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Hello Vladimir,

The subject should read
[drlvm][init] -XX:vm.dlls is proposed to be -XX:gc.dll
?

On 6/25/07, Vladimir Beliaev <vladimir.k.beliaev@gmail.com> wrote:
> *I'd like to rename -XX:vm.dlls to -XX:gc.dll, because:*
>
> right now the http://harmony.apache.org/cmd_options.html says about this
> property:
>
>  *-XX:vm.dlls=<list> * A PATH_SEPARATOR-delimited list of modular dynamic
> libraries (GC/etc.) to load at startup.
>
> In fact its default value is "gc_gen.<dll>'. If one sets it to any valid
> 'foo.<dll>' (like -XX:vm.dlls="foo.dll") then the "gc*.dll" is not found,
> "gc_init" function pointer is not set & DRLVM crashes with 0x00000 address
> access (HARMONY-3934)... Also there can be only 1 GC.dll in DRLVM now, so it
> should be "gc.dll" but not a not a "gc.dlls"...
>
> So in fact this 'vm.dlls' property semantics is: "set GC dll here". *That's
> why I propose to rename it.*
>
> *Please pay attention that:*
>
> 1. it would affect the "running scripts" (like Cruise Control ones) - please
> speak up if you have a procedure proposal for this renaming (or we just may
> agree on commit time).
>
> 2. one may use this -XX:vm.dlls to set own DLL (other then GC one) - please
> speak up if it is true & provide the particular example.
>
> *Please note that we also have:*
>
> -XX:em.dll=<dll-path> to set Execution Manager dynamic library
> -XX:vm.other_natives_dlls=<dll-path-list> - I know the use case: set the
> classlib native libraries to be preloaded during VM startup (I need to
> double check if it is still used)...
>
> Thanks
> --
> Vladimir Beliaev
> Intel Middleware Products Division
>


-- 
With best regards,
Alexei,
ESSD, Intel