src/hotspot/share/runtime/lockStack.cpp

@@ -27,21 +27,24 @@
  #include "precompiled.hpp"
  #include "memory/allocation.hpp"
  #include "oops/markWord.hpp"
  #include "oops/oop.inline.hpp"
  #include "runtime/globals.hpp"
+ #include "runtime/javaThread.inline.hpp"
  #include "runtime/lockStack.inline.hpp"
  #include "runtime/objectMonitor.inline.hpp"
  #include "runtime/safepoint.hpp"
  #include "runtime/stackWatermark.hpp"
  #include "runtime/stackWatermarkSet.inline.hpp"
+ #include "runtime/synchronizer.inline.hpp"
  #include "runtime/thread.hpp"
  #include "utilities/copy.hpp"
  #include "utilities/debug.hpp"
  #include "utilities/globalDefinitions.hpp"
  #include "utilities/growableArray.hpp"
  #include "utilities/ostream.hpp"
+ #include "utilities/sizes.hpp"
  
  #include <type_traits>
  
  const int LockStack::lock_stack_offset =      in_bytes(JavaThread::lock_stack_offset());
  const int LockStack::lock_stack_top_offset =  in_bytes(JavaThread::lock_stack_top_offset());

@@ -112,5 +115,13 @@
      } else {
        st->print_cr("not an oop: " PTR_FORMAT, p2i(o));
      }
    }
  }
+ 
+ OMCache::OMCache(JavaThread* jt) : _entries() {
+   STATIC_ASSERT(std::is_standard_layout<OMCache>::value);
+   STATIC_ASSERT(std::is_standard_layout<OMCache::OMCacheEntry>::value);
+   STATIC_ASSERT(offsetof(OMCache, _null_sentinel) == offsetof(OMCache, _entries) +
+                 offsetof(OMCache::OMCacheEntry, _oop) +
+                 OMCache::CAPACITY * in_bytes(oop_to_oop_difference()));
+ }