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

Staffan Larsen staffan.larsen at oracle.com
Fri Nov 1 07:29:00 PDT 2013


Looks good!

Thanks,
/Staffan

On 31 okt 2013, at 03:54, Coleen Phillimore <coleen.phillimore at oracle.com> 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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