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From "Alexey Varlamov (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (HARMONY-2485) [drlvm][jit][opt] NPE on EM64T with OPT
Date Wed, 06 Dec 2006 14:32:29 GMT
     [ http://issues.apache.org/jira/browse/HARMONY-2485?page=all ]

Alexey Varlamov resolved HARMONY-2485.
--------------------------------------

    Resolution: Fixed

Thanks for the fix, applied at r4803092. 

> [drlvm][jit][opt] NPE on EM64T with OPT
> ---------------------------------------
>
>                 Key: HARMONY-2485
>                 URL: http://issues.apache.org/jira/browse/HARMONY-2485
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>         Environment: EM64T
>            Reporter: George Timoshenko
>         Assigned To: Alexey Varlamov
>            Priority: Critical
>         Attachments: HARMONY-2485.patch
>
>
> Any run with OPT on EM64T gives failures like this:
> $HRMN_d -Xem:opt  Hello
> Uncaught exception in main:
> java.lang.NullPointerException
>         at java.net.URLClassLoader.findClassImpl(URLClassLoader.java)
>         at java.net.URLClassLoader$4.run(URLClassLoader.java)
>         at java.net.URLClassLoader$4.run(URLClassLoader.java:1)
>         at java.security.AccessController.doPrivilegedImpl(Unknown Source)
>         at java.security.AccessController.doPrivileged(Unknown Source)
>         at java.net.URLClassLoader.findClass(URLClassLoader.java:621)
>         at java.lang.ClassLoader.loadClass(Unknown Source)
>         at java.lang.ClassLoader$SystemClassLoader.loadClass(Unknown Source)
>         at java.lang.ClassLoader.loadClass(Unknown Source)
> FAILED to invoke JVM.
> The problem was triggered by the fix of HARMONY-2158.
> After this patch DrlVMTypeManager::getVTable starts to return the real VTable address
instead of runtime_type_handle.
> Jitrino::OPT (Ia32InstCodeSelector) should be modified with respect to these changes.

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