Mercurial > hg > truffle
diff src/share/vm/memory/genMarkSweep.cpp @ 989:148e5441d916
6863023: need non-perm oops in code cache for JSR 292
Summary: Make a special root-list for those few nmethods which might contain non-perm oops.
Reviewed-by: twisti, kvn, never, jmasa, ysr
| author | jrose |
|---|---|
| date | Tue, 15 Sep 2009 21:53:47 -0700 |
| parents | 27a80744a83b |
| children | 54b3b351d6f9 |
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--- a/src/share/vm/memory/genMarkSweep.cpp Tue Sep 15 11:09:34 2009 -0700 +++ b/src/share/vm/memory/genMarkSweep.cpp Tue Sep 15 21:53:47 2009 -0700 @@ -240,9 +240,12 @@ gch->gen_process_strong_roots(level, false, // Younger gens are not roots. + true, // activate StrongRootsScope true, // Collecting permanent generation. SharedHeap::SO_SystemClasses, - &follow_root_closure, &follow_root_closure); + &follow_root_closure, + true, // walk code active on stacks + &follow_root_closure); // Process reference objects found during marking { @@ -330,14 +333,19 @@ gch->gen_process_strong_roots(level, false, // Younger gens are not roots. + true, // activate StrongRootsScope true, // Collecting permanent generation. SharedHeap::SO_AllClasses, &adjust_root_pointer_closure, + false, // do not walk code &adjust_root_pointer_closure); // Now adjust pointers in remaining weak roots. (All of which should // have been cleared if they pointed to non-surviving objects.) + CodeBlobToOopClosure adjust_code_pointer_closure(&adjust_pointer_closure, + /*do_marking=*/ false); gch->gen_process_weak_roots(&adjust_root_pointer_closure, + &adjust_code_pointer_closure, &adjust_pointer_closure); adjust_marks();