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Posted to commits@harmony.apache.org by "Geir Magnusson Jr (JIRA)" <ji...@apache.org> on 2007/01/25 06:07:49 UTC
[jira] Closed: (HARMONY-1006) write barriers for C/C++ based GCs
[ https://issues.apache.org/jira/browse/HARMONY-1006?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Geir Magnusson Jr closed HARMONY-1006.
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Resolution: Fixed
closing because obsolete
> write barriers for C/C++ based GCs
> ----------------------------------
>
> Key: HARMONY-1006
> URL: https://issues.apache.org/jira/browse/HARMONY-1006
> Project: Harmony
> Issue Type: New Feature
> Components: Contributions
> Environment: DRLM + HARMONY-504
> Reporter: Alex Astapchuk
> Attachments: wb4c_jet.patch
>
>
> Write barriers in jitrino.jet for C/C++ based GCs
> The patch only presumes HARMONY-504 applied.
> Note: HARMONY-816 (WBs for Java) is *not* required (and even may conflict).
> Once the patch applied, Jitrino.JET will be always generating write barriers code.
> To turn WBs generation off provide '-Xjit jet::nowb' in command line when starting VM.
> Write barriers are generated for writing an object ref into field (PUTFIELD) and writing an object into array (AASTORE) insturctions.
> Writing into a static field (PUTSTATIC) will *not* invoke WB.
> The code expects neither exception nor GC from inside the WB function.
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