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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
Download patch file Download diff file Expand all files Collapse all files

24
hotspot/src/share/vm/oops/instanceKlassKlass.cpp
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@ -286,17 +286,17 @@ void instanceKlassKlass::oop_copy_contents(PSPromotionManager* pm, oop obj) {
ik->copy_static_fields(pm);
oop* loader_addr = ik->adr_class_loader();
if (PSScavenge::should_scavenge(*loader_addr)) {
if (PSScavenge::should_scavenge(loader_addr)) {
pm->claim_or_forward_breadth(loader_addr);
}
oop* pd_addr = ik->adr_protection_domain();
if (PSScavenge::should_scavenge(*pd_addr)) {
if (PSScavenge::should_scavenge(pd_addr)) {
pm->claim_or_forward_breadth(pd_addr);
}
oop* sg_addr = ik->adr_signers();
if (PSScavenge::should_scavenge(*sg_addr)) {
if (PSScavenge::should_scavenge(sg_addr)) {
pm->claim_or_forward_breadth(sg_addr);
}
@ -309,17 +309,17 @@ void instanceKlassKlass::oop_push_contents(PSPromotionManager* pm, oop obj) {
ik->push_static_fields(pm);
oop* loader_addr = ik->adr_class_loader();
if (PSScavenge::should_scavenge(*loader_addr)) {
if (PSScavenge::should_scavenge(loader_addr)) {
pm->claim_or_forward_depth(loader_addr);
}
oop* pd_addr = ik->adr_protection_domain();
if (PSScavenge::should_scavenge(*pd_addr)) {
if (PSScavenge::should_scavenge(pd_addr)) {
pm->claim_or_forward_depth(pd_addr);
}
oop* sg_addr = ik->adr_signers();
if (PSScavenge::should_scavenge(*sg_addr)) {
if (PSScavenge::should_scavenge(sg_addr)) {
pm->claim_or_forward_depth(sg_addr);
}
@ -602,16 +602,18 @@ const char* instanceKlassKlass::internal_name() const {
// Verification
class VerifyFieldClosure: public OopClosure {
public:
void do_oop(oop* p) {
protected:
template <class T> void do_oop_work(T* p) {
guarantee(Universe::heap()->is_in(p), "should be in heap");
guarantee((*p)->is_oop_or_null(), "should be in heap");
oop obj = oopDesc::load_decode_heap_oop(p);
guarantee(obj->is_oop_or_null(), "should be in heap");
}
public:
virtual void do_oop(oop* p) { VerifyFieldClosure::do_oop_work(p); }
virtual void do_oop(narrowOop* p) { VerifyFieldClosure::do_oop_work(p); }
};
void instanceKlassKlass::oop_verify_on(oop obj, outputStream* st) {
klassKlass::oop_verify_on(obj, st);
if (!obj->partially_loaded()) {