RFR 8037082: java/lang/instrument/NativeMethodPrefixAgent.java failing

Staffan Larsen staffan.larsen at oracle.com
Tue Aug 26 08:43:33 UTC 2014


Looks good!

Thanks,
/Staffan

On 26 aug 2014, at 10:15, Jaroslav Bachorik <jaroslav.bachorik at oracle.com> wrote:

> On 08/25/2014 08:37 PM, Staffan Larsen wrote:
>> Thanks for taking on this one!
>> 
>> The code looks good. Just two small things below.
>> 
>> Have you tested with -Xverify:all, just to see if there are any byte code problems?
> 
> I've re-run the tests with -Xverify:all and fixed one problem in the generated bytecode. Thanks for reminding me.
> 
>> 
>> 
>> Could fix the auto-naming of the params in this code?
>>  131             @Override
>>  132             public void visit(int i, int i1, String className, String string1, String string2, String[] strings) {
>>  133                 this.className = className;
>>  134                 super.visit(i, i1, className, string1, string2, strings);
>>  135             }
> 
> Done ...
> 
>> 
>> nit: let’s ClassWriter to deal -> let ClassWriter deal
>> 163                         mv.visitMaxs(1, 1); // dummy call; let's ClassWriter to deal with this
> 
> ... and done.
> 
> http://cr.openjdk.java.net/~jbachorik/8037082/webrev.01
> 
> Cheers,
> 
> -JB-
> 
>> 
>> 
>> Thanks,
>> /Staffan
>> 
>> 
>> On 25 aug 2014, at 19:16, Jaroslav Bachorik <jaroslav.bachorik at oracle.com> wrote:
>> 
>>> Please, review the following test fix.
>>> 
>>> Issue : https://bugs.openjdk.java.net/browse/JDK-8037082
>>> Webrev: http://cr.openjdk.java.net/~jbachorik/8037082/webrev.00
>>> 
>>> As Staffan mentions in the issue comments - "The two tests NativeMethodPrefixAgent and RetransformAgent use their own byte code instrumentation library in jdk/test/java/lang/instrument/ilib/. These tests need to be rewritten to use ASM instead so that we don't have to maintain the ilib library."
>>> 
>>> This patch is intended to remove the "ilib" library and replace the usages with an ASM5 alternative. Only the currently used features of the "ilib" library are being ported.
>>> 
>>> Thanks,
>>> 
>>> -JB-
>> 
> 



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