src/hotspot/share/runtime/lockStack.inline.hpp

@@ -211,10 +211,49 @@
    }
    verify("post-contains");
    return false;
  }
  
+ inline int LockStack::monitor_count() const {
+   int end = to_index(_top);
+   assert(end <= CAPACITY, "invariant");
+   return end;
+ }
+ 
+ inline void LockStack::move_to_address(oop* start) {
+   int end = to_index(_top);
+   for (int i = 0; i < end; i++) {
+     start[i] = _base[i];
+     DEBUG_ONLY(_base[i] = nullptr;)
+   }
+   _top = lock_stack_base_offset;
+ }
+ 
+ inline void LockStack::move_from_address(oop* start, int count) {
+   assert(to_index(_top) == 0, "lockstack should be empty");
+   for (int i = 0; i < count; i++) {
+     _base[i] = start[i];
+     _top += oopSize;
+   }
+ }
+ 
+ #ifdef ASSERT
+ inline int LockStack::unique_count() const {
+   int end = to_index(_top);
+   oop previous = nullptr;
+   int count = 0;
+   for (int i = 0; i < end; i++) {
+     assert(_base[i] != nullptr, "invariant");
+     if (_base[i] != previous) {
+       previous = _base[i];
+       count++;
+     }
+   }
+   return count;
+ }
+ #endif
+ 
  inline void LockStack::oops_do(OopClosure* cl) {
    verify("pre-oops-do");
    int end = to_index(_top);
    for (int i = 0; i < end; i++) {
      cl->do_oop(&_base[i]);