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From "weldon washburn (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-1455) [drlvm] Partial SingleStep implementation for drlvm
Date Mon, 18 Sep 2006 03:29:24 GMT
    [ http://issues.apache.org/jira/browse/HARMONY-1455?page=comments#action_12435382 ] 
            
weldon washburn commented on HARMONY-1455:
------------------------------------------

I am OK with committing this patch.  The mods are local to JVMTI components.

The above TODO mentions checking if the implementation actually works.  This is an OK approach
but much more labor intensive than a regression test.  Basically you have to do an "svn update"
at least once per week then manually verify that no commits have damaged the above patch.
 It would be useful to have a regression test.

> [drlvm] Partial SingleStep implementation for drlvm
> ---------------------------------------------------
>
>                 Key: HARMONY-1455
>                 URL: http://issues.apache.org/jira/browse/HARMONY-1455
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>            Reporter: Gregory Shimansky
>         Assigned To: Geir Magnusson Jr
>         Attachments: jvmti-single-step.patch
>
>
> The implementation of SingleStep even is based on Breakpoints support in JVMTI and HARMONY-1422
next bytecode predictor.
> This actual patch contains initial SingleStep support added to the breakpoints handler
of JVMTI. It also enableds/disables SingleStepping when SingleStepping is turng on/off. It
should start SingleStepping exception handler and when running a new Java method from VM native
code. When execution control is transferred to Java, it should start SingleStepping it from
the transfer location.
> TODO is to check that this implementation actually works :) I'll file other JIRAs if
I find bugs in it.

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