--- a/hotspot/src/share/vm/memory/universe.hpp Fri Apr 11 09:56:35 2008 -0400
+++ b/hotspot/src/share/vm/memory/universe.hpp Sun Apr 13 17:43:42 2008 -0400
@@ -180,10 +180,13 @@
// The particular choice of collected heap.
static CollectedHeap* _collectedHeap;
+ // Base address for oop-within-java-object materialization.
+ // NULL if using wide oops. Doubles as heap oop null value.
+ static address _heap_base;
// array of dummy objects used with +FullGCAlot
debug_only(static objArrayOop _fullgc_alot_dummy_array;)
- // index of next entry to clear
+ // index of next entry to clear
debug_only(static int _fullgc_alot_dummy_next;)
// Compiler/dispatch support
@@ -323,6 +326,10 @@
// The particular choice of collected heap.
static CollectedHeap* heap() { return _collectedHeap; }
+ // For UseCompressedOops
+ static address heap_base() { return _heap_base; }
+ static address* heap_base_addr() { return &_heap_base; }
+
// Historic gc information
static size_t get_heap_capacity_at_last_gc() { return _heap_capacity_at_last_gc; }
static size_t get_heap_free_at_last_gc() { return _heap_capacity_at_last_gc - _heap_used_at_last_gc; }