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From "Eugene S. Ostrovsky (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-2145) [drlvm][jvmti] Compiled Method Load event - inlined method support
Date Fri, 01 Dec 2006 12:26:24 GMT
     [ http://issues.apache.org/jira/browse/HARMONY-2145?page=all ]

Eugene S. Ostrovsky updated HARMONY-2145:
-----------------------------------------

    Attachment: H-2145-Check-inline-regions-consistency.patch

 Added patch:
  H-2145-Check-inline-regions-consistency.patch
Should be applied after:
  H-2145-JIT-side.patch
  H-2145-VM-support-for-compiled-method-load-events-for-inlined-methods.patch

Checks with assertions that inline regions don't overlap.

To reproduce the issue with inline regions overlapping use the following command:
  ./win_ia32_msvc_debug/deploy/jre/bin/java.exe -Xem:opt -Xtrace:method.inline -Xtrace:compile
-cp win_ia32_msvc_debug/semis/vm/_smoke.tests/classes Hi

when assertion happens the last two lines of the output usually describe overlapping regions.

> [drlvm][jvmti] Compiled Method Load event - inlined method support
> ------------------------------------------------------------------
>
>                 Key: HARMONY-2145
>                 URL: http://issues.apache.org/jira/browse/HARMONY-2145
>             Project: Harmony
>          Issue Type: New Feature
>          Components: DRLVM
>            Reporter: Eugene S. Ostrovsky
>         Assigned To: Gregory Shimansky
>         Attachments: CompiledMethodLoadEvent_size_fixed.diff, exe_notify_compile_method_load_added.diff,
H-2145-Check-inline-regions-consistency.patch, H-2145-JIT-side.patch, H-2145-sendCompiledMethodLoadEvent-tracing.patch,
H-2145-VM-Callback-interface.patch, H-2145-VM-support-for-compiled-method-load-events-for-inlined-methods.patch,
inline_test.zip
>
>
> Current VM doesn't report Compiled Method Load event for methods that are inlined by
JIT. 
> Though spec requires it to be sent for every compiled method:
> http://java.sun.com/j2se/1.5.0/docs/guide/jvmti/jvmti.html#CompiledMethodLoad
> We need to add some function to interface between VM and JIT in order to let VM know
about inlined methods.

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