42 //
  43 // Instances of java.lang.ClassLoader holds a pointer to a ClassLoaderData that
  44 // that represent the loader's "linking domain" in the JVM.
  45 //
  46 // The bootstrap loader (represented by NULL) also has a ClassLoaderData,
  47 // the singleton class the_null_class_loader_data().
  48 
  49 #include "precompiled.hpp"
  50 #include "classfile/classLoaderData.inline.hpp"
  51 #include "classfile/classLoaderDataGraph.inline.hpp"
  52 #include "classfile/dictionary.hpp"
  53 #include "classfile/javaClasses.hpp"
  54 #include "classfile/moduleEntry.hpp"
  55 #include "classfile/packageEntry.hpp"
  56 #include "classfile/symbolTable.hpp"
  57 #include "classfile/systemDictionary.hpp"
  58 #include "logging/log.hpp"
  59 #include "logging/logStream.hpp"
  60 #include "memory/allocation.inline.hpp"
  61 #include "memory/metadataFactory.hpp"
  62 #include "memory/iterator.hpp"
  63 #include "memory/resourceArea.hpp"
  64 #include "memory/universe.hpp"
  65 #include "oops/access.inline.hpp"
  66 #include "oops/array.hpp"
  67 #include "oops/oop.inline.hpp"
  68 #include "oops/oopHandle.inline.hpp"
  69 #include "oops/weakHandle.inline.hpp"
  70 #include "runtime/atomic.hpp"
  71 #include "runtime/handles.inline.hpp"
  72 #include "runtime/mutex.hpp"
  73 #include "runtime/safepoint.hpp"
  74 #include "utilities/growableArray.hpp"
  75 #include "utilities/macros.hpp"
  76 #include "utilities/ostream.hpp"
  77 
  78 ClassLoaderData * ClassLoaderData::_the_null_class_loader_data = NULL;
  79 
  80 void ClassLoaderData::init_null_class_loader_data() {
  81   assert(_the_null_class_loader_data == NULL, "cannot initialize twice");
  82   assert(ClassLoaderDataGraph::_head == NULL, "cannot initialize twice");
  83 
  84   _the_null_class_loader_data = new ClassLoaderData(Handle(), false);
  85   ClassLoaderDataGraph::_head = _the_null_class_loader_data;
  86   assert(_the_null_class_loader_data->is_the_null_class_loader_data(), "Must be");

  42 //
  43 // Instances of java.lang.ClassLoader holds a pointer to a ClassLoaderData that
  44 // that represent the loader's "linking domain" in the JVM.
  45 //
  46 // The bootstrap loader (represented by NULL) also has a ClassLoaderData,
  47 // the singleton class the_null_class_loader_data().
  48 
  49 #include "precompiled.hpp"
  50 #include "classfile/classLoaderData.inline.hpp"
  51 #include "classfile/classLoaderDataGraph.inline.hpp"
  52 #include "classfile/dictionary.hpp"
  53 #include "classfile/javaClasses.hpp"
  54 #include "classfile/moduleEntry.hpp"
  55 #include "classfile/packageEntry.hpp"
  56 #include "classfile/symbolTable.hpp"
  57 #include "classfile/systemDictionary.hpp"
  58 #include "logging/log.hpp"
  59 #include "logging/logStream.hpp"
  60 #include "memory/allocation.inline.hpp"
  61 #include "memory/metadataFactory.hpp"

  62 #include "memory/resourceArea.hpp"
  63 #include "memory/universe.hpp"
  64 #include "oops/access.inline.hpp"

  65 #include "oops/oop.inline.hpp"
  66 #include "oops/oopHandle.inline.hpp"
  67 #include "oops/weakHandle.inline.hpp"
  68 #include "runtime/atomic.hpp"
  69 #include "runtime/handles.inline.hpp"
  70 #include "runtime/mutex.hpp"
  71 #include "runtime/safepoint.hpp"
  72 #include "utilities/growableArray.hpp"
  73 #include "utilities/macros.hpp"
  74 #include "utilities/ostream.hpp"
  75 
  76 ClassLoaderData * ClassLoaderData::_the_null_class_loader_data = NULL;
  77 
  78 void ClassLoaderData::init_null_class_loader_data() {
  79   assert(_the_null_class_loader_data == NULL, "cannot initialize twice");
  80   assert(ClassLoaderDataGraph::_head == NULL, "cannot initialize twice");
  81 
  82   _the_null_class_loader_data = new ClassLoaderData(Handle(), false);
  83   ClassLoaderDataGraph::_head = _the_null_class_loader_data;
  84   assert(_the_null_class_loader_data->is_the_null_class_loader_data(), "Must be");