Binary-only data contained in regression test hotspot/test/runtime/7020373
forax at univ-mlv.fr
Mon Jul 11 07:53:00 PDT 2011
On 07/11/2011 03:57 PM, Keith McGuigan wrote:
> That test case was created directly as output from a Java program --
> there is no "source code" for it. The generating program was
> submitted as an attachment to 6878713, but with different input
> parameters, IIRC, and was created by Marc Schoenefeld (sorry I don't
> know his email). Not sure what the licensing terms are on his
> submission; you'll have to check with him.
> - Keith
He is a RedHat guy (mschoene @t redhat dot com)
> On Jul 11, 2011, at 7:19 AM, Pavel Tisnovsky wrote:
>> Rémi Forax wrote:
>>> On 07/11/2011 11:54 AM, Pavel Tisnovsky wrote:
>>>> Hi all,
>>>> I realized, that one part of the regression test
>>>> hotspot/test/runtime/7020373 contains binary-only data which IMHO
>>>> prevent us to backport this test to OpenJDK6 (in fact, only one
>>>> file of
>>>> this test was backported at this moment, so this test always fails due
>>>> to a missed file).
>>>> The mentioned part of 7020373 test is a Java archive "testcase.jar"
>>>> which contains just one file "OOMCrashClass4000_1.class" without
>>>> corresponding source code.
>>>> I presume that the file "OOMCrashClass4000_1.class" were not
>>>> obtained by
>>>> compiling regular Java source file, but using BCEL or similar tool
>>>> instead. The problem is that the script/source code used for creating
>>>> .class is not included in the test.
>>>> Is it possible to include such script/source code to the OpenJDK7
>>>> repository so the test could be fully backported to OpenJDK6, please?
>>>> Thank you in advance,
>>>> Pavel Tisnovsky
>>> You can re-create it :)
>>> ASM  (a BCEL like tool) has a nice tool called the ASMifier that
>>> allows you to create a Java code from a class file:
>>> |java -classpath "asm.jar;asm-util.jar"
>> Hi Rémi,
>> yes, I know it is possible to re-create source from .class file, but
>> there's (AFAIK) problem with licence text because .class file
>> (suprisingly :-) does not contains such licence which allows us to
>> re-engineer it :-)
>>>  http://asm.ow2.org/
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