Re: [rvm-research] Researching the Jikes RVM

Hi Erik,
Thanks for your pointers.

On Wed, Mar 6, 2013 at 9:11 AM, Erik Brangs <[email protected]> wrote:
> Hi,
>
> On 05.03.2013 22:13, Kathiravelu Pradeeban wrote:
>> Hi,
>> Thanks for the pointers.
>
> An additional hint: If you're trying to build code from the old GSoC
> projects, it's probably easier to use the diffs that are contained in
> the code samples submitted to Google (e.g. at
> http://code.google.com/p/google-summer-of-code-2010-jikesrvm/ ) than to
> check out something from the old repositories. There have been some
> fixes for build errors since then.
>
>>
>> I was trying to build jikes with GCspy [1] heap visualization
>> framework, using the command,
>> ant -Dconfig.name=BaseBaseSemiSpaceGCSpy
>> -Dconfig.include.gcspy-client=1 -Dhost.name=x86_64-linux
>> -Dtarget.name=x86_64-linux -Dcp.enable.gtk-peer="--disable-gtk-peer"
>
> The development of the GCSpy framework has seriously lagged behind that
> of the rest of the Jikes RVM. I don't know the current status of GCSpy
> but I suspect that it's not good: older GSoC idea lists included an idea
> for improvements to GCSpy and there's a related JIRA issue at
> http://jira.codehaus.org/browse/RVM-388 .
>
>> I fixed a minor issue - gcspy.dir was pointing to a wrong location in
>> build/components/gcspy.xml (patch attached herewith, as gcspy.diff).
>
> Please open an issue in our bugtracker (see
> http://www.jikesrvm.org/Reporting+Bugs for details) and attach your

I tried to open an issue in the bug tracker. But signing up is not
working at the moment.
http://jira.codehaus.org/secure/Signup!default.jspa throws the below
error.


Error
It seems that you have tried to perform an operation that is not
allowed in the current JIRA mode.
If you think this message is wrong, please contact your JIRA administrators.

> patch (or mercurial bundle). You'll also need to attach one of the
> contributor statements from http://www.jikesrvm.org/Contributions (found
> at the end of the page).

I attach the patch with contributor statement (gcspy-1.zip) to this
email, till the sign up issue is rectified.

>
>> However, now I am getting the below exception. Could you pls help me
>> rectify this issue?
>>
>> build:
>>      [exec] rm -rf obj
>>      [exec] rm -rf bin
>>
>> .....
>>
>>      [exec] gcc -shared -o lib/libgcspy.so  obj/gcspy_array_input.o
>> obj/gcspy_array_output.o  obj/gcspy_buffered_input.o
>> obj/gcspy_buffered_output.o  obj/gcspy_color_db.o
>> obj/gcspy_command_stream.o  obj/gcspy_comm.o  obj/gcspy_d_utils.o
>> obj/gcspy_gc_driver.o  obj/gcspy_gc_stream.o  obj/gcspy_interpreter.o
>> obj/gcspy_main_server.o  obj/gcspy_shape_stream.o  obj/gcspy_timer.o
>> obj/gcspy_utils.o
>>      [exec] /usr/bin/ld: obj/gcspy_buffered_input.o: relocation
>> R_X86_64_32 against `.rodata' can not be used when making a shared
>> object; recompile with -fPIC
>>      [exec] obj/gcspy_buffered_input.o: could not read symbols: Bad value
>>      [exec] collect2: ld returned 1 exit status
>>      [exec] make: *** [lib/libgcspy.so] Error 1
>> BUILD FAILED
>> /home/pradeeban/jikesrvm/build.xml:301: The following error occurred
>> while executing this line:
>> /home/pradeeban/jikesrvm/build.xml:311: The following error occurred
>> while executing this line:
>> /home/pradeeban/jikesrvm/build/components/gcspy.xml:122: The following
>> error occurred while executing this line:
>> /home/pradeeban/jikesrvm/build/components/base.xml:70: The following
>> error occurred while executing this line:
>> /home/pradeeban/jikesrvm/build/components/base.xml:76: The following
>> error occurred while executing this line:
>> /home/pradeeban/jikesrvm/build/components/gcspy.xml:101: exec returned: 2
>>
>> Full log is attached as log.txt, for the interested.
>>
>> [1] http://jikesrvm.org/Using+GCSpy
>
> The GCSpy page claims that it's only supported on ia32-linux (but I
> don't know if that's still true). The x86_64 configurations are 32-bit
> so it might be the case that some of the libraries are getting compiled
> for the wrong address size.

I believe that must be the case.

Regards,
Pradeeban.

>
>
> Kind regards,
>
> Erik Brangs
>
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-- 
Kathiravelu Pradeeban.
Postgraduate Student,
Erasmus Mundus European Master in Distributed Computing,
Instituto Superior Técnico, Lisbon, Portugal.

Blog: [Llovizna] http://kkpradeeban.blogspot.com/

------------------------------------------------------------------------------
Symantec Endpoint Protection 12 positioned as A LEADER in The Forrester  
Wave(TM): Endpoint Security, Q1 2013 and "remains a good choice" in the  
endpoint security space. For insight on selecting the right partner to 
tackle endpoint security challenges, access the full report. 
http://p.sf.net/sfu/symantec-dev2dev

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