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From "Eugene S. Ostrovsky (JIRA)" <j...@apache.org>
Subject [jira] Created: (HARMONY-1527) [DRLVM] JVMTI watched fields callbacks is called from jit with direct pointers arguments.
Date Thu, 21 Sep 2006 13:05:23 GMT
[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


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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