changeset 12537:330f4178b190

8171809: Remove unused CDS code from JDK 9 Reviewed-by: jiangli, ccheung, mseledtsov
author iklam
date Thu, 15 Dec 2016 19:26:41 -0800
parents 231847e0ffcd
children f92932a08d08
files src/share/vm/classfile/classLoaderData.cpp src/share/vm/classfile/classLoaderData.hpp src/share/vm/classfile/systemDictionaryShared.hpp src/share/vm/memory/metaspaceShared.cpp
diffstat 4 files changed, 1 insertions(+), 20 deletions(-) [+]
line wrap: on
line diff
--- a/src/share/vm/classfile/classLoaderData.cpp	Fri Dec 23 20:44:48 2016 +0300
+++ b/src/share/vm/classfile/classLoaderData.cpp	Thu Dec 15 19:26:41 2016 -0800
@@ -94,7 +94,7 @@
   _metaspace(NULL), _unloading(false), _klasses(NULL),
   _modules(NULL), _packages(NULL),
   _claimed(0), _jmethod_ids(NULL), _handles(NULL), _deallocate_list(NULL),
-  _next(NULL), _dependencies(dependencies), _shared_class_loader_id(-1),
+  _next(NULL), _dependencies(dependencies),
   _metaspace_lock(new Mutex(Monitor::leaf+1, "Metaspace allocation lock", true,
                             Monitor::_safepoint_check_never)) {
   TRACE_INIT_ID(this);
--- a/src/share/vm/classfile/classLoaderData.hpp	Fri Dec 23 20:44:48 2016 +0300
+++ b/src/share/vm/classfile/classLoaderData.hpp	Thu Dec 15 19:26:41 2016 -0800
@@ -204,9 +204,6 @@
   // Support for walking class loader data objects
   ClassLoaderData* _next; /// Next loader_datas created
 
-  // CDS
-  int _shared_class_loader_id;
-
   // ReadOnly and ReadWrite metaspaces (static because only on the null
   // class loader for now).
   static Metaspace* _ro_metaspace;
@@ -338,15 +335,6 @@
   Metaspace* rw_metaspace();
   void initialize_shared_metaspaces();
 
-  int shared_class_loader_id() const {
-    return _shared_class_loader_id;
-  }
-  void set_shared_class_loader_id(int id) {
-    assert(id >= 0, "sanity");
-    assert(_shared_class_loader_id <0, "cannot be assigned more than once");
-    _shared_class_loader_id = id;
-  }
-
   TRACE_DEFINE_TRACE_ID_METHODS;
 };
 
--- a/src/share/vm/classfile/systemDictionaryShared.hpp	Fri Dec 23 20:44:48 2016 +0300
+++ b/src/share/vm/classfile/systemDictionaryShared.hpp	Thu Dec 15 19:26:41 2016 -0800
@@ -29,7 +29,6 @@
 #include "classfile/dictionary.hpp"
 
 class ClassFileStream;
-class SerializeClosure;
 
 class SystemDictionaryShared: public SystemDictionary {
 public:
@@ -79,8 +78,6 @@
     return NULL;
   }
 
-  static void serialize(SerializeClosure* soc) {}
-
   // The (non-application) CDS implementation supports only classes in the boot
   // class loader, which ensures that the verification constraints are the same
   // during archive creation time and runtime. Thus we can do the constraint checks
--- a/src/share/vm/memory/metaspaceShared.cpp	Fri Dec 23 20:44:48 2016 +0300
+++ b/src/share/vm/memory/metaspaceShared.cpp	Thu Dec 15 19:26:41 2016 -0800
@@ -145,10 +145,6 @@
   StringTable::serialize(soc, string_space, space_size);
   soc->do_tag(--tag);
 
-  // Dump/restore the misc information for system dictionary
-  SystemDictionaryShared::serialize(soc);
-  soc->do_tag(--tag);
-
   soc->do_tag(666);
 }