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From "Rana Dasgupta" <rdasg...@gmail.com>
Subject Re: DRLVM contribution - try this out!
Date Sat, 06 May 2006 01:19:07 GMT
Hi,
  ij.exe on Windows ( both debug and release ) build and  run fine with
simple tests.
However, with both versions, when running Eclipse, a few of the Eclipse
options( eg., "What's New" etc. from the Welcome Screen ) don't work for me,
though the IDE launches quite nicely and I can define a project and so
on. Is anyone else seeing this?

On the ij console, I get errors like:
*************************************************

ERROR: Destructive unwinding: C++ objects detected on stack! droping
0x0619A8E4

setting curr 0x0619B300

Unhandled event loop exception

Reason:

javax/naming/directory/DirContext

****************************************************

My ECLIPSE_HOME is quite healthy BTW and launching Eclipse from there
locally, using a different jre works fine.

Some poking around with the debugger showed that the alarming error message
"Distructive Unwinding: C++ Objects detected..." is not as terrible as it
first looks. During stack unwind if the stack iterator finds some unexpected
C++ objects like the logger etc. on the stack, it tries to look for a
healthy handler, which it seems to find here anyway..

stack_iterator_ia32.cpp :

void cpp_set_last_frame(...)
The javax are the external classes(crypto, net, security...) being
pre-copied from Harmony, so could there possibly be a problem with these?

There are also a couple of smoke test failures when I ran the attached
tests... I am attaching one...happens both with jit and interpreter.....

I will keep looking, but any help would be welcome :-)

Rana Dasgupta
Intel Middleware Dev.






On 5/4/06, Andrey Chernyshev <a.y.chernyshev@gmail.com> wrote:
>
> Hi Chris,
>
> Thanks for the useful notes:
>
> > 1) On setting the COMPILER_CFG_SCRIPT as outlined in the README.  I
> > could not figure out how to get it to work with the Windows Platform
> > SDK.  There is no vcvars.bat in the platform sdk just SetEnv.Cmd which
> > doesn't work quite the same way.  I switched it to use VisualStudio .NET
>
> > environment [vcvars.bat] and it worked fine.  Are there any tricks to
> > setting the environment to an SDK prompt?
>
> Did you try setting something like COMPILER_CFG_SCRIPT=c:\SDK\SetEnv.Cmd ?
>
> The idea was that COMPILER_CFG_SCRIPT is a hook that lets a developer
> to configure environment for C compiling in a way whatever he likes,
> you can put here your  own script that does the right things in case
> SetEnv.Cmd doesn't work for some reason. On my box, however, setting
> it directly to SetEnv.Cmd worked as well.
>
> > 2) I suggest that people who download should avoid directory names with
> > spaces in them when you run build.cmd.  I originally tried it in a
>
> One more tip: if you don't want something to be downloaded at all, you
> can use the pre-installed software by setting the appropriate *_HOME
> variable.
>
> For example, if people hate to download Eclipse, it should help if the
> ECLIPSE_HOME is set to point to the Eclipse 3.1.1 installation directory.
> One more option is to specify alternate zip archive location in
> make/*.properties file.
>
> Thanks,
> Andrey.
>
>
> On 5/4/06, Elford, Chris L <chris.l.elford@intel.com > wrote:
> > Hi all,
> >
> >  This is an impressive contribution.  I have downloaded to a Windows XP
> > system and have successfully built the VM and have run Eclipse 3.1.1
> > using it.
> >
> >  A few notes on getting it to work on Windows.
> >
> > 1) On setting the COMPILER_CFG_SCRIPT as outlined in the README.  I
> > could not figure out how to get it to work with the Windows Platform
> > SDK.  There is no vcvars.bat in the platform sdk just SetEnv.Cmd which
> > doesn't work quite the same way.  I switched it to use VisualStudio .NET
> > environment [vcvars.bat] and it worked fine.  Are there any tricks to
> > setting the environment to an SDK prompt?
> >
> > 2) I suggest that people who download should avoid directory names with
> > spaces in them when you run build.cmd.  I originally tried it in a
> > subdirectory off of my Desktop "Documents and Settings".  It failed
> > about halfway thru the download phase.  I worked around this by doing a
> > "cd C:\Docume~1" but I assuming that just moving it to a directory
> > without a space would have worked as well.
> >
> > I'm trying to build on my linux box now!
> >
> > Thanks,
> >
> > Chris Elford
> > Intel Middleware Products Division
> >
> > -----Original Message-----
> > From: Andrey Chernyshev [mailto: a.y.chernyshev@gmail.com]
> > Sent: Wednesday, May 03, 2006 7:16 AM
> > To: harmony-dev@incubator.apache.org
> > Subject: DRLVM contribution - try this out!
> >
> > Dear All,
> >
> > I'm happy to announce the contribution of the DRL Virtual Machine on
> > behalf of
> > Intel.
> > I have described in the bottom of this message how you can try it for
> > yourself.
> >
> > The code is a result of efforts of Intel Middleware Products Division
> > team. The
> > archive with the contribution is uploaded to the following location:
> >
> > http://issues.apache.org/jira/browse/HARMONY-438
> >
> > The issue contains two zip archives:
> >
> >    DRLVM_src_20060502_1806_Harmony.zip
> >        - The DRLVM source code contribution, containing the following
> > components:
> > VM (or VM core)
> > GC
> > JIT
> > Bytecode verifier
> > Kernel classes
> > OS layer
> >
> >    DRLVM_src_20060502_1806_Patches_for_Harmony.zip
> >        - A few patches that should be applied to Harmony class
> > libraries
> >     in order to integrate them with DRLVM.
> >
> > We checked that the JRE combined from the DRLVM and the Harmony class
> > libraries
> > is capable of running Eclipse and Ant. It was tested with Harmony
> > classes taken
> > at 03/13 (plus some contributions existed to that date, such as
> > HARMONY-39 and
> > HARMONY-88) on Windows and Linux IA32.
> >
> > The building system included with the DRLVM is entirely written on Ant
> > and is
> > capable of producing a workable JRE combined from DRLVM and Harmony
> > class libraries (we have intentionally included the compilation of class
> > libraries code into the DRLVM building system to give an example how the
>
> > native
> > code for the complex multi-component project can be built with Ant).
> > Both VM and
> > Class Libraries can be built with MSVC or Intel C compiler on Windows
> > and gcc or
> > Intel C compiler on Linux IA32. Eclipse 3.1.1 compiler is used for
> > compiling the
> > Java code.
> >
> > DRLVM communicates with the Harmony class libraries through the set of
> > kernel
> > classes and VMI interface, as described in the Harmony Class Library
> > Porting
> > Documentation. We had to add the java.lang.SringBuffer into the kernel
> > classes
> > set for now since it is tighten to the java.lang.String in our
> > implementation.
> >
> > The DRLVM is not yet a complete full-functional product, there is a
> > plenty of
> > things to do such as 1.5 support or missing some of JVMTI/JNI
> > capabilities.
> > Please refer to the README.txt and Developers Guide (located in the
> > 'doc'
> > directory) provided with the contribution. However, we hope that the
> > existing VM
> > implementation, in conjunction with the Harmony class libraries and
> > Eclipse, at
> > least should be able to provide the self-hosting environment where
> > developers
> > can edit, compile and run Java code using Eclipse, execute Ant (you can
> > try
> > to rebuild the DRLVM and Harmony class libraries by executing it's Ant
> > building
> > system on top of the previously built DRLVM image).
> >
> > IMPORTANT NOTE: the building system, by default, downloads all the
> > necessary
> > software and libraries such as Eclipse, APR, LogCXX or zlib directly
> > from the
> > Internet, BY RUNNING THE DRLVM BUILD YOU ARE ACCEPTING THE LICENSE TERMS
> > for the
> > software and libraries used for the DRLVM compilation and linking.
> > Please refer
> > to the README.txt provided with the contribution for more detailed
> > information
> > how to build DRLVM and which software/libraries are used for that.
> >
> >
> > HOW TO TRY IT:
> >
> > To build the DRLVM, just extract the both zip archives into the same
> > directory,
> > set ANT_HOME and JAVA_HOME, run the "build update" and then "build". See
> > the
> > README.txt for more details, including the software required (you'll
> > need some
> > JRE, C/C++ compiler, Ant and Svn tool to checkout classlibs).
> >
> > Note that the DRLVM may not work with the most recent version of Harmony
>
> > class
> > libraries since the latter is constantly changing (the last version of
> > classes
> > we were adopting the DRLVM for was taken at 03/13). Some work will still
> > be
> > needed to integrate it with the most recent version of the class
> > libraries.
> >
> > You are welcome to try it and share your opinion!
> >
> > Thank you,
> > Andrey Chernyshev
> > Intel Middleware Products Division
> >
>
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