for review (M): 6863023: need non-perm oops in code cache for JSR 292

John Rose John.Rose at Sun.COM
Tue Sep 8 08:38:39 UTC 2009

I have sufficient reviews for 6863023 as of webrev.03, but the GC  
interactions are (sigh) more subtle than I anticipated, and I want to  
get it right.

Here is a fresh layer of changes, required to ensure that strong-root  
nmethods get scavenged exactly once. (these  
specific changes) (full webrev)

These changes fix some double-tracing bugs, but they are not correct.   
However, they are not right yet.  What I'm asking for now is (a)  
further advice for structuring the nmethod-walking code correctly, and  
(b) help spotting bugs.

-- John

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