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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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5
hotspot/src/share/vm/gc_interface/collectedHeap.hpp
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@ -289,11 +289,6 @@ class CollectedHeap : public CHeapObj<mtInternal> {
// (A scavenge is a GC which is not a full GC.)
virtual bool is_scavengable(const void *p) = 0;
// Returns "TRUE" if "p" is a method oop in the
// current heap, with high probability. This predicate
// is not stable, in general.
bool is_valid_method(Method* p) const;
void set_gc_cause(GCCause::Cause v) {
if (UsePerfData) {
_gc_lastcause = _gc_cause;