changeset 13445:bc8b01f98ae3

Merge
author anoll
date Thu, 12 Dec 2013 11:22:26 -0800
parents e3995ab44393 (diff) 62084ffe573b (current diff)
children 2a21bf819fea
files
diffstat 18 files changed, 203 insertions(+), 116 deletions(-) [+]
line wrap: on
line diff
--- a/agent/src/share/classes/sun/jvm/hotspot/oops/ObjectHeap.java	Wed Dec 11 01:09:04 2013 +0400
+++ b/agent/src/share/classes/sun/jvm/hotspot/oops/ObjectHeap.java	Thu Dec 12 11:22:26 2013 -0800
@@ -364,7 +364,7 @@
       }
       catch (AddressException e) {
         // This is okay at the top of these regions
-      }
+          }
       catch (UnknownOopException e) {
         // This is okay at the top of these regions
       }
@@ -373,7 +373,7 @@
     visitor.epilogue();
   }
 
-  private void addLiveRegions(List input, List output) {
+  private void addLiveRegions(String name, List input, List output) {
      for (Iterator itr = input.iterator(); itr.hasNext();) {
         MemRegion reg = (MemRegion) itr.next();
         Address top = reg.end();
@@ -386,6 +386,9 @@
         }
         output.add(top);
         output.add(bottom);
+        if (DEBUG) {
+          System.err.println("Live region: " + name + ": " + bottom + ", " + top);
+        }
      }
   }
 
@@ -395,7 +398,7 @@
      }
 
      public void doSpace(Space s) {
-        addLiveRegions(s.getLiveRegions(), liveRegions);
+        addLiveRegions(s.toString(), s.getLiveRegions(), liveRegions);
      }
      private List liveRegions;
   }
@@ -426,11 +429,11 @@
        ParallelScavengeHeap psh = (ParallelScavengeHeap) heap;
        PSYoungGen youngGen = psh.youngGen();
        // Add eden space
-       addLiveRegions(youngGen.edenSpace().getLiveRegions(), liveRegions);
+       addLiveRegions("eden", youngGen.edenSpace().getLiveRegions(), liveRegions);
        // Add from-space but not to-space
-       addLiveRegions(youngGen.fromSpace().getLiveRegions(), liveRegions);
+       addLiveRegions("from", youngGen.fromSpace().getLiveRegions(), liveRegions);
        PSOldGen oldGen = psh.oldGen();
-       addLiveRegions(oldGen.objectSpace().getLiveRegions(), liveRegions);
+       addLiveRegions("old ", oldGen.objectSpace().getLiveRegions(), liveRegions);
     } else if (heap instanceof G1CollectedHeap) {
         G1CollectedHeap g1h = (G1CollectedHeap) heap;
         g1h.heapRegionIterate(lrc);
@@ -451,23 +454,27 @@
 
     if (VM.getVM().getUseTLAB()) {
       for (JavaThread thread = VM.getVM().getThreads().first(); thread != null; thread = thread.next()) {
-        if (thread.isJavaThread()) {
-          ThreadLocalAllocBuffer tlab = thread.tlab();
-          if (tlab.start() != null) {
-            if ((tlab.top() == null) || (tlab.end() == null)) {
-              System.err.print("Warning: skipping invalid TLAB for thread ");
+        ThreadLocalAllocBuffer tlab = thread.tlab();
+        if (tlab.start() != null) {
+          if ((tlab.top() == null) || (tlab.end() == null)) {
+            System.err.print("Warning: skipping invalid TLAB for thread ");
+            thread.printThreadIDOn(System.err);
+            System.err.println();
+          } else {
+            if (DEBUG) {
+              System.err.print("TLAB for " + thread.getThreadName() + ", #");
               thread.printThreadIDOn(System.err);
-              System.err.println();
-            } else {
-              // Go from:
-              //  - below start() to start()
-              //  - start() to top()
-              //  - end() and above
-              liveRegions.add(tlab.start());
-              liveRegions.add(tlab.start());
-              liveRegions.add(tlab.top());
-              liveRegions.add(tlab.hardEnd());
+              System.err.print(": ");
+              tlab.printOn(System.err);
             }
+            // Go from:
+            //  - below start() to start()
+            //  - start() to top()
+            //  - end() and above
+            liveRegions.add(tlab.start());
+            liveRegions.add(tlab.start());
+            liveRegions.add(tlab.top());
+            liveRegions.add(tlab.hardEnd());
           }
         }
       }
@@ -480,6 +487,15 @@
       Assert.that(liveRegions.size() % 2 == 0, "Must have even number of region boundaries");
     }
 
+    if (DEBUG) {
+      System.err.println("liveRegions:");
+      for (int i = 0; i < liveRegions.size(); i += 2) {
+          Address bottom = (Address) liveRegions.get(i);
+          Address top    = (Address) liveRegions.get(i+1);
+          System.err.println(" " + bottom + " - " + top);
+      }
+    }
+
     return liveRegions;
   }
 
--- a/agent/src/share/classes/sun/jvm/hotspot/runtime/ThreadLocalAllocBuffer.java	Wed Dec 11 01:09:04 2013 +0400
+++ b/agent/src/share/classes/sun/jvm/hotspot/runtime/ThreadLocalAllocBuffer.java	Thu Dec 12 11:22:26 2013 -0800
@@ -109,6 +109,6 @@
 
   public void printOn(PrintStream tty) {
     tty.println(" [" + start() + "," +
-                top() + "," + end() + ")");
+                top() + "," + end() + ",{" + hardEnd() + "})");
   }
 }
--- a/src/cpu/x86/vm/frame_x86.cpp	Wed Dec 11 01:09:04 2013 +0400
+++ b/src/cpu/x86/vm/frame_x86.cpp	Thu Dec 12 11:22:26 2013 -0800
@@ -94,13 +94,6 @@
     // other generic buffer blobs are more problematic so we just assume they are
     // ok. adapter blobs never have a frame complete and are never ok.
 
-    // check for a valid frame_size, otherwise we are unlikely to get a valid sender_pc
-
-    if (!Interpreter::contains(_pc) && _cb->frame_size() <= 0) {
-      //assert(0, "Invalid frame_size");
-      return false;
-    }
-
     if (!_cb->is_frame_complete_at(_pc)) {
       if (_cb->is_nmethod() || _cb->is_adapter_blob() || _cb->is_runtime_stub()) {
         return false;
@@ -144,6 +137,11 @@
       // must be some sort of compiled/runtime frame
       // fp does not have to be safe (although it could be check for c1?)
 
+      // check for a valid frame_size, otherwise we are unlikely to get a valid sender_pc
+      if (_cb->frame_size() <= 0) {
+        return false;
+      }
+
       sender_sp = _unextended_sp + _cb->frame_size();
       // On Intel the return_address is always the word on the stack
       sender_pc = (address) *(sender_sp-1);
--- a/src/share/vm/gc_implementation/g1/concurrentG1Refine.cpp	Wed Dec 11 01:09:04 2013 +0400
+++ b/src/share/vm/gc_implementation/g1/concurrentG1Refine.cpp	Thu Dec 12 11:22:26 2013 -0800
@@ -27,6 +27,7 @@
 #include "gc_implementation/g1/concurrentG1RefineThread.hpp"
 #include "gc_implementation/g1/g1CollectedHeap.inline.hpp"
 #include "gc_implementation/g1/g1HotCardCache.hpp"
+#include "runtime/java.hpp"
 
 ConcurrentG1Refine::ConcurrentG1Refine(G1CollectedHeap* g1h) :
   _threads(NULL), _n_threads(0),
@@ -62,6 +63,10 @@
   for (int i = _n_threads - 1; i >= 0; i--) {
     ConcurrentG1RefineThread* t = new ConcurrentG1RefineThread(this, next, worker_id_offset, i);
     assert(t != NULL, "Conc refine should have been created");
+    if (t->osthread() == NULL) {
+        vm_shutdown_during_initialization("Could not create ConcurrentG1RefineThread");
+    }
+
     assert(t->cg1r() == this, "Conc refine thread should refer to this");
     _threads[i] = t;
     next = t;
--- a/src/share/vm/gc_implementation/g1/concurrentMark.cpp	Wed Dec 11 01:09:04 2013 +0400
+++ b/src/share/vm/gc_implementation/g1/concurrentMark.cpp	Thu Dec 12 11:22:26 2013 -0800
@@ -553,6 +553,9 @@
   _cmThread = new ConcurrentMarkThread(this);
   assert(cmThread() != NULL, "CM Thread should have been created");
   assert(cmThread()->cm() != NULL, "CM Thread should refer to this cm");
+  if (_cmThread->osthread() == NULL) {
+      vm_shutdown_during_initialization("Could not create ConcurrentMarkThread");
+  }
 
   assert(CGC_lock != NULL, "Where's the CGC_lock?");
   assert(_markBitMap1.covers(heap_rs), "_markBitMap1 inconsistency");
--- a/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.cpp	Wed Dec 11 01:09:04 2013 +0400
+++ b/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.cpp	Thu Dec 12 11:22:26 2013 -0800
@@ -2433,20 +2433,6 @@
   _gc_tracer.report_object_count_after_gc(is_alive_closure());
 }
 
-void PSParallelCompact::follow_klass(ParCompactionManager* cm, Klass* klass) {
-  ClassLoaderData* cld = klass->class_loader_data();
-  // The actual processing of the klass is done when we
-  // traverse the list of Klasses in the class loader data.
-  PSParallelCompact::follow_class_loader(cm, cld);
-}
-
-void PSParallelCompact::adjust_klass(ParCompactionManager* cm, Klass* klass) {
-  ClassLoaderData* cld = klass->class_loader_data();
-  // The actual processing of the klass is done when we
-  // traverse the list of Klasses in the class loader data.
-  PSParallelCompact::adjust_class_loader(cm, cld);
-}
-
 void PSParallelCompact::follow_class_loader(ParCompactionManager* cm,
                                             ClassLoaderData* cld) {
   PSParallelCompact::MarkAndPushClosure mark_and_push_closure(cm);
@@ -2455,13 +2441,6 @@
   cld->oops_do(&mark_and_push_closure, &follow_klass_closure, true);
 }
 
-void PSParallelCompact::adjust_class_loader(ParCompactionManager* cm,
-                                            ClassLoaderData* cld) {
-  cld->oops_do(PSParallelCompact::adjust_pointer_closure(),
-               PSParallelCompact::adjust_klass_closure(),
-               true);
-}
-
 // This should be moved to the shared markSweep code!
 class PSAlwaysTrueClosure: public BoolObjectClosure {
 public:
--- a/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.hpp	Wed Dec 11 01:09:04 2013 +0400
+++ b/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.hpp	Thu Dec 12 11:22:26 2013 -0800
@@ -1200,13 +1200,10 @@
                                                       T* p);
   template <class T> static inline void adjust_pointer(T* p);
 
-  static void follow_klass(ParCompactionManager* cm, Klass* klass);
-  static void adjust_klass(ParCompactionManager* cm, Klass* klass);
+  static inline void follow_klass(ParCompactionManager* cm, Klass* klass);
 
   static void follow_class_loader(ParCompactionManager* cm,
                                   ClassLoaderData* klass);
-  static void adjust_class_loader(ParCompactionManager* cm,
-                                  ClassLoaderData* klass);
 
   // Compaction support.
   // Return true if p is in the range [beg_addr, end_addr).
@@ -1380,6 +1377,11 @@
   }
 }
 
+inline void PSParallelCompact::follow_klass(ParCompactionManager* cm, Klass* klass) {
+  oop holder = klass->klass_holder();
+  PSParallelCompact::mark_and_push(cm, &holder);
+}
+
 template <class T>
 inline void PSParallelCompact::KeepAliveClosure::do_oop_work(T* p) {
   mark_and_push(_compaction_manager, p);
--- a/src/share/vm/interpreter/linkResolver.cpp	Wed Dec 11 01:09:04 2013 +0400
+++ b/src/share/vm/interpreter/linkResolver.cpp	Thu Dec 12 11:22:26 2013 -0800
@@ -242,8 +242,20 @@
 
 // Look up method in klasses, including static methods
 // Then look up local default methods
-void LinkResolver::lookup_method_in_klasses(methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, bool checkpolymorphism, TRAPS) {
+void LinkResolver::lookup_method_in_klasses(methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, bool checkpolymorphism, bool in_imethod_resolve, TRAPS) {
   Method* result_oop = klass->uncached_lookup_method(name, signature);
+
+  // JDK 8, JVMS 5.4.3.4: Interface method resolution should
+  // ignore static and non-public methods of java.lang.Object,
+  // like clone, finalize, registerNatives.
+  if (in_imethod_resolve &&
+      result_oop != NULL &&
+      klass->is_interface() &&
+      (result_oop->is_static() || !result_oop->is_public()) &&
+      result_oop->method_holder() == SystemDictionary::Object_klass()) {
+    result_oop = NULL;
+  }
+
   if (result_oop == NULL) {
     Array<Method*>* default_methods = InstanceKlass::cast(klass())->default_methods();
     if (default_methods != NULL) {
@@ -420,28 +432,18 @@
 
   AccessFlags flags = sel_method->access_flags();
 
-  // Special case #1:  arrays always override "clone". JVMS 2.15.
+  // Special case:  arrays always override "clone". JVMS 2.15.
   // If the resolved klass is an array class, and the declaring class
   // is java.lang.Object and the method is "clone", set the flags
   // to public.
-  // Special case #2:  If the resolved klass is an interface, and
-  // the declaring class is java.lang.Object, and the method is
-  // "clone" or "finalize", set the flags to public. If the
-  // resolved interface does not contain "clone" or "finalize"
-  // methods, the method/interface method resolution looks to
-  // the interface's super class, java.lang.Object.  With JDK 8
-  // interface accessability check requirement, special casing
-  // this scenario is necessary to avoid an IAE.
   //
-  // We'll check for each method name first and then java.lang.Object
-  // to best short-circuit out of these tests.
-  if (((sel_method->name() == vmSymbols::clone_name() &&
-        (resolved_klass->oop_is_array() || resolved_klass->is_interface())) ||
-       (sel_method->name() == vmSymbols::finalize_method_name() &&
-        resolved_klass->is_interface())) &&
-      sel_klass() == SystemDictionary::Object_klass()) {
+  // We'll check for the method name first, as that's most likely
+  // to be false (so we'll short-circuit out of these tests).
+  if (sel_method->name() == vmSymbols::clone_name() &&
+      sel_klass() == SystemDictionary::Object_klass() &&
+      resolved_klass->oop_is_array()) {
     // We need to change "protected" to "public".
-    assert(flags.is_protected(), "clone or finalize not protected?");
+    assert(flags.is_protected(), "clone not protected?");
     jint new_flags = flags.as_int();
     new_flags = new_flags & (~JVM_ACC_PROTECTED);
     new_flags = new_flags | JVM_ACC_PUBLIC;
@@ -531,7 +533,7 @@
   }
 
   // 2. lookup method in resolved klass and its super klasses
-  lookup_method_in_klasses(resolved_method, resolved_klass, method_name, method_signature, true, CHECK);
+  lookup_method_in_klasses(resolved_method, resolved_klass, method_name, method_signature, true, false, CHECK);
 
   if (resolved_method.is_null()) { // not found in the class hierarchy
     // 3. lookup method in all the interfaces implemented by the resolved klass
@@ -628,7 +630,7 @@
 
   // lookup method in this interface or its super, java.lang.Object
   // JDK8: also look for static methods
-  lookup_method_in_klasses(resolved_method, resolved_klass, method_name, method_signature, false, CHECK);
+  lookup_method_in_klasses(resolved_method, resolved_klass, method_name, method_signature, false, true, CHECK);
 
   if (resolved_method.is_null()) {
     // lookup method in all the super-interfaces
@@ -943,8 +945,17 @@
     Klass *klass_to_check = !InstanceKlass::cast(current_klass())->is_anonymous() ?
                                   current_klass() :
                                   InstanceKlass::cast(current_klass())->host_klass();
+    // As of the fix for 4486457 we disable verification for all of the
+    // dynamically-generated bytecodes associated with the 1.4
+    // reflection implementation, not just those associated with
+    // sun/reflect/SerializationConstructorAccessor.
+    bool is_reflect = JDK_Version::is_gte_jdk14x_version() &&
+                      UseNewReflection &&
+                      klass_to_check->is_subclass_of(
+                        SystemDictionary::reflect_MagicAccessorImpl_klass());
 
-    if (!InstanceKlass::cast(klass_to_check)->is_same_or_direct_interface(resolved_klass())) {
+    if (!is_reflect &&
+        !InstanceKlass::cast(klass_to_check)->is_same_or_direct_interface(resolved_klass())) {
       ResourceMark rm(THREAD);
       char buf[200];
       jio_snprintf(buf, sizeof(buf),
--- a/src/share/vm/interpreter/linkResolver.hpp	Wed Dec 11 01:09:04 2013 +0400
+++ b/src/share/vm/interpreter/linkResolver.hpp	Thu Dec 12 11:22:26 2013 -0800
@@ -124,7 +124,7 @@
   friend class klassItable;
 
  private:
-  static void lookup_method_in_klasses          (methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, bool checkpolymorphism, TRAPS);
+  static void lookup_method_in_klasses          (methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, bool checkpolymorphism, bool in_imethod_resolve, TRAPS);
   static void lookup_instance_method_in_klasses (methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS);
   static void lookup_method_in_interfaces       (methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS);
   static void lookup_polymorphic_method         (methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature,
--- a/src/share/vm/memory/metaspace.cpp	Wed Dec 11 01:09:04 2013 +0400
+++ b/src/share/vm/memory/metaspace.cpp	Thu Dec 12 11:22:26 2013 -0800
@@ -287,7 +287,7 @@
   VirtualSpace* virtual_space() const { return (VirtualSpace*) &_virtual_space; }
 
   // Returns true if "word_size" is available in the VirtualSpace
-  bool is_available(size_t word_size) { return _top + word_size <= end(); }
+  bool is_available(size_t word_size) { return word_size <= pointer_delta(end(), _top, sizeof(MetaWord)); }
 
   MetaWord* top() const { return _top; }
   void inc_top(size_t word_size) { _top += word_size; }
@@ -3641,10 +3641,82 @@
     }
 
   }
+
+#define assert_is_available_positive(word_size) \
+  assert(vsn.is_available(word_size), \
+    err_msg(#word_size ": " PTR_FORMAT " bytes were not available in " \
+            "VirtualSpaceNode [" PTR_FORMAT ", " PTR_FORMAT ")", \
+            (uintptr_t)(word_size * BytesPerWord), vsn.bottom(), vsn.end()));
+
+#define assert_is_available_negative(word_size) \
+  assert(!vsn.is_available(word_size), \
+    err_msg(#word_size ": " PTR_FORMAT " bytes should not be available in " \
+            "VirtualSpaceNode [" PTR_FORMAT ", " PTR_FORMAT ")", \
+            (uintptr_t)(word_size * BytesPerWord), vsn.bottom(), vsn.end()));
+
+  static void test_is_available_positive() {
+    // Reserve some memory.
+    VirtualSpaceNode vsn(os::vm_allocation_granularity());
+    assert(vsn.initialize(), "Failed to setup VirtualSpaceNode");
+
+    // Commit some memory.
+    size_t commit_word_size = os::vm_allocation_granularity() / BytesPerWord;
+    bool expanded = vsn.expand_by(commit_word_size, commit_word_size);
+    assert(expanded, "Failed to commit");
+
+    // Check that is_available accepts the committed size.
+    assert_is_available_positive(commit_word_size);
+
+    // Check that is_available accepts half the committed size.
+    size_t expand_word_size = commit_word_size / 2;
+    assert_is_available_positive(expand_word_size);
+  }
+
+  static void test_is_available_negative() {
+    // Reserve some memory.
+    VirtualSpaceNode vsn(os::vm_allocation_granularity());
+    assert(vsn.initialize(), "Failed to setup VirtualSpaceNode");
+
+    // Commit some memory.
+    size_t commit_word_size = os::vm_allocation_granularity() / BytesPerWord;
+    bool expanded = vsn.expand_by(commit_word_size, commit_word_size);
+    assert(expanded, "Failed to commit");
+
+    // Check that is_available doesn't accept a too large size.
+    size_t two_times_commit_word_size = commit_word_size * 2;
+    assert_is_available_negative(two_times_commit_word_size);
+  }
+
+  static void test_is_available_overflow() {
+    // Reserve some memory.
+    VirtualSpaceNode vsn(os::vm_allocation_granularity());
+    assert(vsn.initialize(), "Failed to setup VirtualSpaceNode");
+
+    // Commit some memory.
+    size_t commit_word_size = os::vm_allocation_granularity() / BytesPerWord;
+    bool expanded = vsn.expand_by(commit_word_size, commit_word_size);
+    assert(expanded, "Failed to commit");
+
+    // Calculate a size that will overflow the virtual space size.
+    void* virtual_space_max = (void*)(uintptr_t)-1;
+    size_t bottom_to_max = pointer_delta(virtual_space_max, vsn.bottom(), 1);
+    size_t overflow_size = bottom_to_max + BytesPerWord;
+    size_t overflow_word_size = overflow_size / BytesPerWord;
+
+    // Check that is_available can handle the overflow.
+    assert_is_available_negative(overflow_word_size);
+  }
+
+  static void test_is_available() {
+    TestVirtualSpaceNodeTest::test_is_available_positive();
+    TestVirtualSpaceNodeTest::test_is_available_negative();
+    TestVirtualSpaceNodeTest::test_is_available_overflow();
+  }
 };
 
 void TestVirtualSpaceNode_test() {
   TestVirtualSpaceNodeTest::test();
+  TestVirtualSpaceNodeTest::test_is_available();
 }
 
 #endif
--- a/src/share/vm/oops/instanceClassLoaderKlass.cpp	Wed Dec 11 01:09:04 2013 +0400
+++ b/src/share/vm/oops/instanceClassLoaderKlass.cpp	Thu Dec 12 11:22:26 2013 -0800
@@ -150,10 +150,6 @@
 
 int InstanceClassLoaderKlass::oop_update_pointers(ParCompactionManager* cm, oop obj) {
   InstanceKlass::oop_update_pointers(cm, obj);
-  ClassLoaderData * const loader_data = java_lang_ClassLoader::loader_data(obj);
-  if (loader_data != NULL) {
-    PSParallelCompact::adjust_class_loader(cm, loader_data);
-  }
   return size_helper();
 }
 #endif // INCLUDE_ALL_GCS
--- a/src/share/vm/oops/instanceKlass.cpp	Wed Dec 11 01:09:04 2013 +0400
+++ b/src/share/vm/oops/instanceKlass.cpp	Thu Dec 12 11:22:26 2013 -0800
@@ -2199,7 +2199,6 @@
     obj, \
     PSParallelCompact::adjust_pointer(p), \
     assert_is_in)
-  obj->update_header(cm);
   return size;
 }
 
--- a/src/share/vm/oops/instanceMirrorKlass.cpp	Wed Dec 11 01:09:04 2013 +0400
+++ b/src/share/vm/oops/instanceMirrorKlass.cpp	Thu Dec 12 11:22:26 2013 -0800
@@ -155,8 +155,13 @@
   // Follow the klass field in the mirror.
   Klass* klass = java_lang_Class::as_Klass(obj);
   if (klass != NULL) {
-    // For anonymous classes we need to handle the class loader data,
-    // otherwise it won't be claimed and can be unloaded.
+    // An anonymous class doesn't have its own class loader, so the call
+    // to follow_klass will mark and push its java mirror instead of the
+    // class loader. When handling the java mirror for an anonymous class
+    // we need to make sure its class loader data is claimed, this is done
+    // by calling follow_class_loader explicitly. For non-anonymous classes
+    // the call to follow_class_loader is made when the class loader itself
+    // is handled.
     if (klass->oop_is_instance() && InstanceKlass::cast(klass)->is_anonymous()) {
       MarkSweep::follow_class_loader(klass->class_loader_data());
     } else {
@@ -183,7 +188,18 @@
   // Follow the klass field in the mirror.
   Klass* klass = java_lang_Class::as_Klass(obj);
   if (klass != NULL) {
-    PSParallelCompact::follow_klass(cm, klass);
+    // An anonymous class doesn't have its own class loader, so the call
+    // to follow_klass will mark and push its java mirror instead of the
+    // class loader. When handling the java mirror for an anonymous class
+    // we need to make sure its class loader data is claimed, this is done
+    // by calling follow_class_loader explicitly. For non-anonymous classes
+    // the call to follow_class_loader is made when the class loader itself
+    // is handled.
+    if (klass->oop_is_instance() && InstanceKlass::cast(klass)->is_anonymous()) {
+      PSParallelCompact::follow_class_loader(cm, klass->class_loader_data());
+    } else {
+      PSParallelCompact::follow_klass(cm, klass);
+    }
   } else {
     // If klass is NULL then this a mirror for a primitive type.
     // We don't have to follow them, since they are handled as strong
@@ -332,17 +348,6 @@
   int size = oop_size(obj);
   InstanceKlass::oop_update_pointers(cm, obj);
 
-  // Follow the klass field in the mirror.
-  Klass* klass = java_lang_Class::as_Klass(obj);
-  if (klass != NULL) {
-    PSParallelCompact::adjust_klass(cm, klass);
-  } else {
-    // If klass is NULL then this a mirror for a primitive type.
-    // We don't have to follow them, since they are handled as strong
-    // roots in Universe::oops_do.
-    assert(java_lang_Class::is_primitive(obj), "Sanity check");
-  }
-
   InstanceMirrorKlass_OOP_ITERATE(                                            \
     start_of_static_fields(obj), java_lang_Class::static_oop_field_count(obj),\
     PSParallelCompact::adjust_pointer(p),                                     \
--- a/src/share/vm/oops/objArrayKlass.cpp	Wed Dec 11 01:09:04 2013 +0400
+++ b/src/share/vm/oops/objArrayKlass.cpp	Thu Dec 12 11:22:26 2013 -0800
@@ -587,7 +587,6 @@
   assert (obj->is_objArray(), "obj must be obj array");
   objArrayOop a = objArrayOop(obj);
   int size = a->object_size();
-  a->update_header(cm);
   ObjArrayKlass_OOP_ITERATE(a, p, PSParallelCompact::adjust_pointer(p))
   return size;
 }
--- a/src/share/vm/oops/oop.hpp	Wed Dec 11 01:09:04 2013 +0400
+++ b/src/share/vm/oops/oop.hpp	Thu Dec 12 11:22:26 2013 -0800
@@ -328,11 +328,6 @@
   // return the size of this oop.  This is used by the MarkSweep collector.
   int adjust_pointers();
 
-#if INCLUDE_ALL_GCS
-  // Parallel old
-  void update_header(ParCompactionManager* cm);
-#endif // INCLUDE_ALL_GCS
-
   // mark-sweep support
   void follow_body(int begin, int end);
 
--- a/src/share/vm/oops/oop.pcgc.inline.hpp	Wed Dec 11 01:09:04 2013 +0400
+++ b/src/share/vm/oops/oop.pcgc.inline.hpp	Thu Dec 12 11:22:26 2013 -0800
@@ -80,8 +80,4 @@
   return forwardee();
 }
 
-inline void oopDesc::update_header(ParCompactionManager* cm) {
-  PSParallelCompact::adjust_klass(cm, klass());
-}
-
 #endif // SHARE_VM_OOPS_OOP_PCGC_INLINE_HPP
--- a/src/share/vm/runtime/reflection.cpp	Wed Dec 11 01:09:04 2013 +0400
+++ b/src/share/vm/runtime/reflection.cpp	Thu Dec 12 11:22:26 2013 -0800
@@ -537,15 +537,26 @@
     return true;
   }
 
+  Klass* host_class = current_class;
+  while (host_class->oop_is_instance() &&
+         InstanceKlass::cast(host_class)->is_anonymous()) {
+    Klass* next_host_class = InstanceKlass::cast(host_class)->host_klass();
+    if (next_host_class == NULL)  break;
+    host_class = next_host_class;
+  }
+  if (host_class == field_class) {
+    return true;
+  }
+
   if (access.is_protected()) {
     if (!protected_restriction) {
-      // See if current_class is a subclass of field_class
-      if (current_class->is_subclass_of(field_class)) {
+      // See if current_class (or outermost host class) is a subclass of field_class
+      if (host_class->is_subclass_of(field_class)) {
         if (access.is_static() || // static fields are ok, see 6622385
             current_class == resolved_class ||
             field_class == resolved_class ||
-            current_class->is_subclass_of(resolved_class) ||
-            resolved_class->is_subclass_of(current_class)) {
+            host_class->is_subclass_of(resolved_class) ||
+            resolved_class->is_subclass_of(host_class)) {
           return true;
         }
       }
--- a/test/runtime/8024804/RegisterNatives.java	Wed Dec 11 01:09:04 2013 +0400
+++ b/test/runtime/8024804/RegisterNatives.java	Thu Dec 12 11:22:26 2013 -0800
@@ -22,10 +22,10 @@
  */
 
 /*
- * @ignore 8028741
  * @test
  * @bug 8024804
- * @summary registerNatives() interface resolution should receive IAE
+ * @bug 8028741
+ * @summary interface method resolution should skip finding j.l.Object's registerNatives() and succeed in selecting class B's registerNatives()
  * @run main RegisterNatives
  */
 public class RegisterNatives {
@@ -38,10 +38,10 @@
     try {
       val.registerNatives();
     } catch (IllegalAccessError e) {
-      System.out.println("TEST PASSES - according to current JVM spec, IAE expected\n");
-      return;
+      System.out.println("TEST FAILS - JDK 8 JVMS, static and non-public methods of j.l.Object should be ignored during interface method resolution\n");
+      e.printStackTrace();
+      throw e;
     }
-    System.out.println("TEST FAILS - no IAE resulted\n");
-    System.exit(1);
+    System.out.println("TEST PASSES - no IAE resulted\n");
   }
 }