RFR 8026946: JvmtiEnv::SetBreakpoint and JvmtiEnv::ClearBreakpoint should use MethodH,andle

serguei.spitsyn at oracle.com serguei.spitsyn at oracle.com
Thu Oct 31 09:43:30 PDT 2013


It looks good, thank you for fixing it!


On 10/30/13 7:54 PM, Coleen Phillimore wrote:
> 8026948: JvmtiEnv::SetBreakpoint and JvmtiEnv::ClearBreakpoint might 
> not work with anonymous classes
> Summary: Walk methods in breakpoints for marking on stack so they 
> aren't deallocated by redefine classes.  Use class_holder rather than 
> class_loader to keep GC from reclaiming class owning the method.
> This is two bug fixes to the same code.
> open webrev at http://cr.openjdk.java.net/~coleenp/8026946_8026948/
> bug link https://bugs.openjdk.java.net/browse/JDK-8026946
>                https://bugs.openjdk.java.net/browse/JDK-8026948
> Tested with vm.quick.testlist - and verified the jdi tests eg 
> nsk/jdi/BScenarios/hotswap/tc01x001 test this path.
> Thanks,
> Coleen

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