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8003635: NPG: AsynchGetCallTrace broken by Method* virtual call

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Make metaspace::contains be lock free and used to see if something is in metaspace, also compare Method* with vtbl pointer.

Reviewed-by: dholmes, sspitsyn, dcubed, jmasa
This commit is contained in:
Coleen Phillimore 2012-11-28 17:50:21 -05:00
parent 696ef20cb4
commit 6538c5134b
14 changed files with 60 additions and 80 deletions
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hotspot/src/share/vm/memory/allocation.hpp
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@ -245,6 +245,7 @@ class ClassLoaderData;
class MetaspaceObj {
public:
bool is_metadata() const;
bool is_metaspace_object() const; // more specific test but slower
bool is_shared() const;
void print_address_on(outputStream* st) const; // nonvirtual address printing