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6700789: G1: Enable use of compressed oops with G1 heaps

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Modifications to G1 so as to allow the use of compressed oops.

Reviewed-by: apetrusenko, coleenp, jmasa, kvn, never, phh, tonyp
This commit is contained in:
Y. Srinivas Ramakrishna 2009-07-14 15:40:39 -07:00
parent 50d7db1805
commit 075c1335cb
58 changed files with 1233 additions and 1175 deletions
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24
hotspot/src/share/vm/gc_implementation/g1/heapRegionRemSet.hpp
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@ -116,9 +116,9 @@ public:
// For now. Could "expand" some tables in the future, so that this made
// sense.
void add_reference(oop* from, int tid);
void add_reference(OopOrNarrowOopStar from, int tid);
void add_reference(oop* from) {
void add_reference(OopOrNarrowOopStar from) {
return add_reference(from, 0);
}
@ -140,8 +140,8 @@ public:
static size_t static_mem_size();
static size_t fl_mem_size();
bool contains_reference(oop* from) const;
bool contains_reference_locked(oop* from) const;
bool contains_reference(OopOrNarrowOopStar from) const;
bool contains_reference_locked(OopOrNarrowOopStar from) const;
void clear();
@ -192,10 +192,10 @@ private:
// Unused unless G1RecordHRRSOops is true.
static const int MaxRecorded = 1000000;
static oop** _recorded_oops;
static HeapWord** _recorded_cards;
static HeapRegion** _recorded_regions;
static int _n_recorded;
static OopOrNarrowOopStar* _recorded_oops;
static HeapWord** _recorded_cards;
static HeapRegion** _recorded_regions;
static int _n_recorded;
static const int MaxRecordedEvents = 1000;
static Event* _recorded_events;
@ -231,13 +231,13 @@ public:
/* Used in the sequential case. Returns "true" iff this addition causes
the size limit to be reached. */
void add_reference(oop* from) {
void add_reference(OopOrNarrowOopStar from) {
_other_regions.add_reference(from);
}
/* Used in the parallel case. Returns "true" iff this addition causes
the size limit to be reached. */
void add_reference(oop* from, int tid) {
void add_reference(OopOrNarrowOopStar from, int tid) {
_other_regions.add_reference(from, tid);
}
@ -301,7 +301,7 @@ public:
return OtherRegionsTable::fl_mem_size();
}
bool contains_reference(oop* from) const {
bool contains_reference(OopOrNarrowOopStar from) const {
return _other_regions.contains_reference(from);
}
void print() const;
@ -329,7 +329,7 @@ public:
}
#endif
static void record(HeapRegion* hr, oop* f);
static void record(HeapRegion* hr, OopOrNarrowOopStar f);
static void print_recorded();
static void record_event(Event evnt);