src/hotspot/share/cds/cppVtables.cpp

@@ -31,11 +31,13 @@
  #include "logging/log.hpp"
  #include "oops/instanceClassLoaderKlass.hpp"
  #include "oops/instanceMirrorKlass.hpp"
  #include "oops/instanceRefKlass.hpp"
  #include "oops/instanceStackChunkKlass.hpp"
+ #include "oops/methodCounters.hpp"
  #include "oops/methodData.hpp"
+ #include "oops/trainingData.hpp"
  #include "oops/objArrayKlass.hpp"
  #include "oops/typeArrayKlass.hpp"
  #include "runtime/arguments.hpp"
  #include "utilities/globalDefinitions.hpp"
  

@@ -59,12 +61,17 @@
    f(InstanceClassLoaderKlass) \
    f(InstanceMirrorKlass) \
    f(InstanceRefKlass) \
    f(InstanceStackChunkKlass) \
    f(Method) \
+   f(MethodData)                \
+   f(MethodCounters)            \
    f(ObjArrayKlass) \
-   f(TypeArrayKlass)
+   f(TypeArrayKlass)            \
+   f(KlassTrainingData)         \
+   f(MethodTrainingData)        \
+   f(CompileTrainingData)
  
  class CppVtableInfo {
    intptr_t _vtable_size;
    intptr_t _cloned_vtable[1]; // Pseudo flexible array member.
    static size_t cloned_vtable_offset() { return offset_of(CppVtableInfo, _cloned_vtable); }

@@ -192,11 +199,12 @@
  
  // This is a map of all the original vtptrs. E.g., for
  //     ConstantPool *cp = new (...) ConstantPool(...) ; // a dynamically allocated constant pool
  // the following holds true:
  //     _orig_cpp_vtptrs[ConstantPool_Kind] ==  ((intptr_t**)cp)[0]
- static intptr_t* _orig_cpp_vtptrs[_num_cloned_vtable_kinds];
+ static intptr_t* _orig_cpp_vtptrs[_num_cloned_vtable_kinds];  // vtptrs set by the C++ compiler
+ static intptr_t* _archived_cpp_vtptrs[_num_cloned_vtable_kinds];  // vtptrs used in the static archive
  static bool _orig_cpp_vtptrs_inited = false;
  
  template <class T>
  void CppVtableCloner<T>::init_orig_cpp_vtptr(int kind) {
    assert(kind < _num_cloned_vtable_kinds, "sanity");

@@ -222,10 +230,16 @@
  void CppVtables::dumptime_init(ArchiveBuilder* builder) {
    assert(CDSConfig::is_dumping_static_archive(), "cpp tables are only dumped into static archive");
  
    CPP_VTABLE_TYPES_DO(ALLOCATE_AND_INITIALIZE_VTABLE);
  
+   if (!CDSConfig::is_dumping_final_static_archive()) {
+     for (int kind = 0; kind < _num_cloned_vtable_kinds; kind++) {
+       _archived_cpp_vtptrs[kind] = _index[kind]->cloned_vtable();
+     }
+   }
+ 
    size_t cpp_tables_size = builder->rw_region()->top() - builder->rw_region()->base();
    builder->alloc_stats()->record_cpp_vtables((int)cpp_tables_size);
  }
  
  void CppVtables::serialize(SerializeClosure* soc) {

@@ -236,10 +250,18 @@
      soc->do_ptr(&_index[i]);
    }
    if (soc->reading()) {
      CPP_VTABLE_TYPES_DO(INITIALIZE_VTABLE);
    }
+ 
+   if (soc->writing() && CDSConfig::is_dumping_final_static_archive()) {
+     memset(_archived_cpp_vtptrs, 0, sizeof(_archived_cpp_vtptrs));
+   }
+ 
+   for (int kind = 0; kind < _num_cloned_vtable_kinds; kind++) {
+     soc->do_ptr(&_archived_cpp_vtptrs[kind]);
+   }
  }
  
  intptr_t* CppVtables::get_archived_vtable(MetaspaceObj::Type msotype, address obj) {
    if (!_orig_cpp_vtptrs_inited) {
      CPP_VTABLE_TYPES_DO(INIT_ORIG_CPP_VTPTRS);

@@ -256,22 +278,18 @@
    case MetaspaceObj::TypeArrayU8Type:
    case MetaspaceObj::TypeArrayOtherType:
    case MetaspaceObj::ConstMethodType:
    case MetaspaceObj::ConstantPoolCacheType:
    case MetaspaceObj::AnnotationsType:
-   case MetaspaceObj::MethodCountersType:
    case MetaspaceObj::SharedClassPathEntryType:
    case MetaspaceObj::RecordComponentType:
      // These have no vtables.
      break;
-   case MetaspaceObj::MethodDataType:
-     // We don't archive MethodData <-- should have been removed in removed_unsharable_info
-     ShouldNotReachHere();
-     break;
    default:
      for (kind = 0; kind < _num_cloned_vtable_kinds; kind ++) {
-       if (vtable_of((Metadata*)obj) == _orig_cpp_vtptrs[kind]) {
+       if (vtable_of((Metadata*)obj) == _orig_cpp_vtptrs[kind] ||
+           vtable_of((Metadata*)obj) == _archived_cpp_vtptrs[kind]) {
          break;
        }
      }
      if (kind >= _num_cloned_vtable_kinds) {
        fatal("Cannot find C++ vtable for " INTPTR_FORMAT " -- you probably added"