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6420645: Create a vm that uses compressed oops for up to 32gb heapsizes

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Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv

Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold
This commit is contained in:
Coleen Phillimore 2008-04-13 17:43:42 -04:00
parent 680ecf1611
commit 4a831d45f0
273 changed files with 6585 additions and 2993 deletions
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6
hotspot/src/share/vm/runtime/jniHandles.cpp
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@ -206,9 +206,10 @@ private:
int _count;
public:
CountHandleClosure(): _count(0) {}
void do_oop(oop* unused) {
virtual void do_oop(oop* unused) {
_count++;
}
virtual void do_oop(narrowOop* unused) { ShouldNotReachHere(); }
int count() { return _count; }
};
@ -230,9 +231,10 @@ void JNIHandles::print_on(outputStream* st) {
class VerifyHandleClosure: public OopClosure {
public:
void do_oop(oop* root) {
virtual void do_oop(oop* root) {
(*root)->verify();
}
virtual void do_oop(narrowOop* root) { ShouldNotReachHere(); }
};
void JNIHandles::verify() {