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From "Mikhail Fursov (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-3126) [drlvm] VMMagic: migration to new interfaces
Date Thu, 08 Feb 2007 12:51:06 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-3126?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12471316
] 

Mikhail Fursov commented on HARMONY-3126:
-----------------------------------------

Alexey,
I do not agree that we need to change field_is_reference() for magic types to return false.
Reasons:
1) All magic types and methods a Java methods so any magic-incompatible JIT will compile them
without any modification. In this case you will see an exception a valid message like "Not
implemented"
2) We have to change a lot of places in JIT translator to add special handling for magic types
in the way you proposed (when a reference is not a reference..)


> [drlvm] VMMagic: migration to new interfaces
> --------------------------------------------
>
>                 Key: HARMONY-3126
>                 URL: https://issues.apache.org/jira/browse/HARMONY-3126
>             Project: Harmony
>          Issue Type: Improvement
>          Components: DRLVM
>            Reporter: Mikhail Fursov
>         Assigned To: Alexey Varlamov
>         Attachments: vmmagic_1.zip, wrn.diff
>
>
> This patch contains:
> 1) all VMmagics methods updated to use annotations-like pragmas instead of obsolete exception-like
> 2) vmmagic.jar location is updated to point to the new version. Run 'build update' before
building drlvm
> 3) method_has_annotation was added to VM interfaces
> 4) magic types were removed from VM/GC enumeration
> 5) some refactoting was done to simplefy EM64T port (I hope it were all VM/GC changes
needed)
> 6) minor bugfixes and improvements

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