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Date: Sat, 23 Sep 2006 06:31:23 -0700 (PDT)
From: "Geir Magnusson Jr (JIRA)" <jira@apache.org>
To: harmony-commits@incubator.apache.org
Subject: [jira] Closed: (HARMONY-1527) [DRLVM] JVMTI watched fields
 callbacks is called from jit with direct pointers arguments.
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     [ http://issues.apache.org/jira/browse/HARMONY-1527?page=all ]

Geir Magnusson Jr closed HARMONY-1527.
--------------------------------------


> [DRLVM] JVMTI watched fields callbacks is called from jit with direct pointers arguments.
> -----------------------------------------------------------------------------------------
>
>                 Key: HARMONY-1527
>                 URL: http://issues.apache.org/jira/browse/HARMONY-1527
>             Project: Harmony
>          Issue Type: Improvement
>          Components: DRLVM
>            Reporter: Eugene S. Ostrovsky
>         Assigned To: Geir Magnusson Jr
>         Attachments: JVMTI-watched-fields-callbacks-is-called-from-jit-with-direct-pointers-arguments.patch
>
>
> By declaration jvmti_field_access_callback() & jvmti_field_modification_callback() must recieve pointer to jobject (GC-safe object handle). But actually JIT transfers non GC-safe direct pointers to managed objects. This results in crash on any attempt to use recieved object.
> Also JIT passes direct pointer instead of gc-safe handle in jvalue.l field of new_value argument to jvmti_field_modification_callback().
> Proposed patch fixes callbacks interface and implementation according to actual data type passed from JIT.

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