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diff src/share/vm/oops/instanceKlassKlass.cpp @ 113:ba764ed4b6f2

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6420645: Create a vm that uses compressed oops for up to 32gb heapsizes Summary: Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold
author coleenp
date Sun, 13 Apr 2008 17:43:42 -0400
parents a61af66fc99e
children 437d03ea40b1
line wrap: on
line diff
--- a/src/share/vm/oops/instanceKlassKlass.cpp	Fri Apr 11 09:56:35 2008 -0400
+++ b/src/share/vm/oops/instanceKlassKlass.cpp	Sun Apr 13 17:43:42 2008 -0400
@@ -286,17 +286,17 @@
   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 @@
   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 @@
 
 // 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()) {