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From "Alexey Varlamov (JIRA)" <j...@apache.org>
Subject [jira] Created: (HARMONY-5822) [drlvm][vmcore] class unloading does not clean JIT recompilation callbacks
Date Tue, 13 May 2008 04:32:55 GMT
[drlvm][vmcore] class unloading does not clean JIT recompilation callbacks

                 Key: HARMONY-5822
                 URL: https://issues.apache.org/jira/browse/HARMONY-5822
             Project: Harmony
          Issue Type: Bug
          Components: DRLVM
    Affects Versions: 5.0M6
            Reporter: Alexey Varlamov

There is a facility in DRLVM for notifying JIT of method recompilation, see vm_register_jit_recompiled_method_callback(JIT_Handle
jit, Method_Handle method, void *callback_data).
Jitrino uses this feature to patch direct calls to methods (within other compiled methods)
upon recompilation of a callee method.
However, in case then a caller method is unloaded, corresponding callbacks are not removed
and lead to SIGSEGV if a callee method is recompiled.

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