changeset 4061:cf8470eaf7e5

Merge
author acorn
date Sun, 27 Jan 2013 21:58:34 -0500
parents 6fbe8a57549d 8d1fb417a42d
children 0d26ce8e9251 815957d0203e
files agent/src/share/classes/sun/jvm/hotspot/memory/BinaryTreeDictionary.java make/solaris/makefiles/kernel.make src/cpu/x86/vm/assembler_x86.hpp src/share/vm/classfile/vmSymbols.hpp
diffstat 46 files changed, 308 insertions(+), 625 deletions(-) [+]
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/agent/src/share/classes/sun/jvm/hotspot/memory/AFLBinaryTreeDictionary.java	Sun Jan 27 21:58:34 2013 -0500
@@ -0,0 +1,59 @@
+/*
+ * @(#)BinaryTreeDictionary.java
+ * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+package sun.jvm.hotspot.memory;
+
+import java.util.*;
+import sun.jvm.hotspot.debugger.*;
+import sun.jvm.hotspot.types.*;
+import sun.jvm.hotspot.runtime.*;
+
+public class AFLBinaryTreeDictionary extends VMObject {
+   static {
+      VM.registerVMInitializedObserver(new Observer() {
+         public void update(Observable o, Object data) {
+            initialize(VM.getVM().getTypeDataBase());
+         }
+      });
+   }
+
+   private static synchronized void initialize(TypeDataBase db) {
+      Type type = db.lookupType("AFLBinaryTreeDictionary");
+      totalSizeField = type.getCIntegerField("_total_size");
+   }
+
+   // Fields
+   private static CIntegerField totalSizeField;
+
+   // Accessors
+   public long size() {
+      return totalSizeField.getValue(addr);
+   }
+
+   // Constructor
+   public AFLBinaryTreeDictionary(Address addr) {
+      super(addr);
+   }
+}
--- a/agent/src/share/classes/sun/jvm/hotspot/memory/BinaryTreeDictionary.java	Fri Jan 25 03:03:23 2013 -0800
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,59 +0,0 @@
-/*
- * @(#)BinaryTreeDictionary.java
- * Copyright (c) 2000, 2008, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- *
- */
-
-package sun.jvm.hotspot.memory;
-
-import java.util.*;
-import sun.jvm.hotspot.debugger.*;
-import sun.jvm.hotspot.types.*;
-import sun.jvm.hotspot.runtime.*;
-
-public class BinaryTreeDictionary extends VMObject {
-   static {
-      VM.registerVMInitializedObserver(new Observer() {
-         public void update(Observable o, Object data) {
-            initialize(VM.getVM().getTypeDataBase());
-         }
-      });
-   }
-
-   private static synchronized void initialize(TypeDataBase db) {
-      Type type = db.lookupType("BinaryTreeDictionary");
-      totalSizeField = type.getCIntegerField("_totalSize");
-   }
-
-   // Fields
-   private static CIntegerField totalSizeField;
-
-   // Accessors
-   public long size() {
-      return totalSizeField.getValue(addr);
-   }
-
-   // Constructor
-   public BinaryTreeDictionary(Address addr) {
-      super(addr);
-   }
-}
--- a/agent/src/share/classes/sun/jvm/hotspot/memory/CompactibleFreeListSpace.java	Fri Jan 25 03:03:23 2013 -0800
+++ b/agent/src/share/classes/sun/jvm/hotspot/memory/CompactibleFreeListSpace.java	Sun Jan 27 21:58:34 2013 -0500
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -117,9 +117,9 @@
       }
 
       // large block
-      BinaryTreeDictionary bfbd = (BinaryTreeDictionary) VMObjectFactory.newObject(BinaryTreeDictionary.class,
+      AFLBinaryTreeDictionary aflbd = (AFLBinaryTreeDictionary) VMObjectFactory.newObject(AFLBinaryTreeDictionary.class,
                                                                                    dictionaryField.getValue(addr));
-      size += bfbd.size();
+      size += aflbd.size();
 
 
       // linear block in TLAB
--- a/agent/src/share/classes/sun/jvm/hotspot/memory/FreeList.java	Fri Jan 25 03:03:23 2013 -0800
+++ b/agent/src/share/classes/sun/jvm/hotspot/memory/FreeList.java	Sun Jan 27 21:58:34 2013 -0500
@@ -1,7 +1,7 @@
 /*
  * @(#)FreeList.java
  *
- * Copyright (c) 2000, 2008, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -41,7 +41,7 @@
    }
 
    private static synchronized void initialize(TypeDataBase db) {
-      Type type = db.lookupType("FreeList");
+      Type type = db.lookupType("FreeList<FreeChunk>");
       sizeField = type.getCIntegerField("_size");
       countField = type.getCIntegerField("_count");
       headerSize = type.getSize();
--- a/make/Makefile	Fri Jan 25 03:03:23 2013 -0800
+++ b/make/Makefile	Sun Jan 27 21:58:34 2013 -0500
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -87,7 +87,6 @@
 # Typical C1/C2 targets made available with this Makefile
 C1_VM_TARGETS=product1 fastdebug1 optimized1 jvmg1
 C2_VM_TARGETS=product  fastdebug  optimized  jvmg
-KERNEL_VM_TARGETS=productkernel fastdebugkernel optimizedkernel jvmgkernel
 ZERO_VM_TARGETS=productzero fastdebugzero optimizedzero jvmgzero
 SHARK_VM_TARGETS=productshark fastdebugshark optimizedshark jvmgshark
 MINIMAL1_VM_TARGETS=productminimal1 fastdebugminimal1 jvmgminimal1
@@ -161,11 +160,6 @@
 	$(CD) $(GAMMADIR)/make; \
 	$(MAKE) BUILD_FLAVOR=$@ VM_TARGET=$@ generic_build2 $(ALT_OUT)
 
-$(KERNEL_VM_TARGETS):
-	$(CD) $(GAMMADIR)/make; \
-	$(MAKE) BUILD_FLAVOR=$(@:%kernel=%) VM_TARGET=$@ \
-	  generic_buildkernel $(ALT_OUT)
-
 $(ZERO_VM_TARGETS):
 	$(CD) $(GAMMADIR)/make; \
 	$(MAKE) BUILD_FLAVOR=$(@:%zero=%) VM_TARGET=$@ \
@@ -223,24 +217,6 @@
 		      $(MAKE_ARGS) $(VM_TARGET)
 endif
 
-generic_buildkernel:
-	$(MKDIR) -p $(OUTPUTDIR)
-ifeq ($(OSNAME),windows)
-  ifeq ($(ARCH_DATA_MODEL), 32)
-	$(CD) $(OUTPUTDIR); \
-	    $(NMAKE) -f $(ABS_OS_MAKEFILE) \
-		      Variant=kernel \
-                      WorkSpace=$(ABS_GAMMADIR) \
-		      BootStrapDir=$(ABS_BOOTDIR) \
-                      BuildUser=$(USERNAME) \
-		      $(MAKE_ARGS) $(VM_TARGET:%kernel=%)
-  else
-	@$(ECHO) "No kernel ($(VM_TARGET)) for ARCH_DATA_MODEL=$(ARCH_DATA_MODEL)"
-  endif
-else
-	@$(ECHO) "No kernel ($(VM_TARGET)) for OS_NAME=$(OSNAME)"
-endif
-
 generic_buildzero:
 	$(MKDIR) -p $(OUTPUTDIR)
 	$(CD) $(OUTPUTDIR); \
@@ -314,12 +290,10 @@
 DOCS_DIR=$(OUTPUTDIR)/$(VM_PLATFORM)_docs
 C1_BASE_DIR=$(OUTPUTDIR)/$(VM_PLATFORM)_compiler1
 C2_BASE_DIR=$(OUTPUTDIR)/$(VM_PLATFORM)_compiler2
-KERNEL_BASE_DIR=$(OUTPUTDIR)/$(VM_PLATFORM)_kernel
 ZERO_BASE_DIR=$(OUTPUTDIR)/$(VM_PLATFORM)_zero
 SHARK_BASE_DIR=$(OUTPUTDIR)/$(VM_PLATFORM)_shark
 C1_DIR=$(C1_BASE_DIR)/$(VM_SUBDIR)
 C2_DIR=$(C2_BASE_DIR)/$(VM_SUBDIR)
-KERNEL_DIR=$(KERNEL_BASE_DIR)/$(VM_SUBDIR)
 ZERO_DIR=$(ZERO_BASE_DIR)/$(VM_SUBDIR)
 SHARK_DIR=$(SHARK_BASE_DIR)/$(VM_SUBDIR)
 MINIMAL1_BASE_DIR=$(OUTPUTDIR)/$(VM_PLATFORM)_minimal1
@@ -333,10 +307,6 @@
     MISC_DIR=$(C1_DIR)
     GEN_DIR=$(C1_BASE_DIR)/generated
 endif
-ifeq ($(JVM_VARIANT_KERNEL), true)
-    MISC_DIR=$(C2_DIR)
-    GEN_DIR=$(C2_BASE_DIR)/generated
-endif
 ifeq ($(JVM_VARIANT_ZEROSHARK), true)
     MISC_DIR=$(SHARK_DIR)
     GEN_DIR=$(SHARK_BASE_DIR)/generated
@@ -386,16 +356,6 @@
 	$(install-file)
 $(EXPORT_SERVER_DIR)/%.map:  $(C2_DIR)/%.map
 	$(install-file)
-
-# Kernel files always come from kernel area
-$(EXPORT_KERNEL_DIR)/%.diz:  $(KERNEL_DIR)/%.diz
-	$(install-file)
-$(EXPORT_KERNEL_DIR)/%.dll:  $(KERNEL_DIR)/%.dll
-	$(install-file)
-$(EXPORT_KERNEL_DIR)/%.pdb:  $(KERNEL_DIR)/%.pdb
-	$(install-file)
-$(EXPORT_KERNEL_DIR)/%.map:  $(KERNEL_DIR)/%.map
-	$(install-file)
 endif
 
 # Minimal JVM files always come from minimal area
@@ -538,7 +498,7 @@
 	$(install-file)
 
 # Xusage file
-$(EXPORT_SERVER_DIR)/Xusage.txt $(EXPORT_CLIENT_DIR)/Xusage.txt $(EXPORT_KERNEL_DIR)/Xusage.txt $(EXPORT_MINIMAL_DIR)/Xusage.txt: $(XUSAGE)
+$(EXPORT_SERVER_DIR)/Xusage.txt $(EXPORT_CLIENT_DIR)/Xusage.txt $(EXPORT_MINIMAL_DIR)/Xusage.txt: $(XUSAGE)
 	$(prep-target)
 	$(RM) $@.temp
 	$(SED) 's/\(separated by \)[;:]/\1$(PATH_SEP)/g' $< > $@.temp
@@ -551,7 +511,6 @@
 clean_build:
 	$(RM) -r $(C1_DIR)
 	$(RM) -r $(C2_DIR)
-	$(RM) -r $(KERNEL_DIR)
 	$(RM) -r $(ZERO_DIR)
 	$(RM) -r $(SHARK_DIR)
 	$(RM) -r $(MINIMAL1_DIR)
@@ -586,10 +545,6 @@
 	$(JDK_IMAGE_DIR)/bin/java -d$(ARCH_DATA_MODEL) -server -Xinternalversion
 	$(JDK_IMAGE_DIR)/bin/java -d$(ARCH_DATA_MODEL) -server -version
   endif
-  ifeq ($(JVM_VARIANT_KERNEL), true)
-	$(JDK_IMAGE_DIR)/bin/java -d$(ARCH_DATA_MODEL) -kernel -Xinternalversion
-	$(JDK_IMAGE_DIR)/bin/java -d$(ARCH_DATA_MODEL) -kernel -version
-  endif
 
 copy_product_jdk::
 	$(RM) -r $(JDK_IMAGE_DIR)
@@ -665,7 +620,6 @@
 	@$(ECHO) "Other targets are:"
 	@$(ECHO) "   $(C1_VM_TARGETS)"
 	@$(ECHO) "   $(C2_VM_TARGETS)"
-	@$(ECHO) "   $(KERNEL_VM_TARGETS)"
 	@$(ECHO) "   $(MINIMAL1_VM_TARGETS)"
 
 # Variable help (only common ones used by this workspace)
@@ -761,8 +715,8 @@
 include $(GAMMADIR)/make/jprt.gmk
 
 .PHONY: all world clobber clean help $(C1_VM_TARGETS) $(C2_VM_TARGETS) \
-        $(KERNEL_VM_TARGETS) $(MINIMAL1_VM_TARGETS) \
-	generic_build1 generic_build2 generic_buildkernel generic_buildminimal1 generic_export \
+        $(MINIMAL1_VM_TARGETS) \
+	generic_build1 generic_build2 generic_buildminimal1 generic_export \
 	export_product export_fastdebug export_debug export_optimized \
 	export_jdk_product export_jdk_fastdebug export_jdk_debug \
 	create_jdk copy_jdk update_jdk test_jdk \
--- a/make/bsd/makefiles/dtrace.make	Fri Jan 25 03:03:23 2013 -0800
+++ b/make/bsd/makefiles/dtrace.make	Sun Jan 27 21:58:34 2013 -0500
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -25,10 +25,9 @@
 # Rules to build jvm_db/dtrace, used by vm.make
 
 # We build libjvm_dtrace/libjvm_db/dtrace for COMPILER1 and COMPILER2
-# but not for CORE or KERNEL configurations.
+# but not for CORE configuration.
 
 ifneq ("${TYPE}", "CORE")
-ifneq ("${TYPE}", "KERNEL")
 
 ifeq ($(OS_VENDOR), Darwin)
 # we build dtrace for macosx using USDT2 probes
@@ -280,13 +279,6 @@
 endif # ifeq ($(OS_VENDOR), Darwin)
 
 
-else # KERNEL build
-
-dtraceCheck:
-	$(QUIETLY) echo "**NOTICE** Dtrace support disabled for KERNEL builds"
-
-endif # ifneq ("${TYPE}", "KERNEL")
-
 else # CORE build
 
 dtraceCheck:
--- a/make/solaris/Makefile	Fri Jan 25 03:03:23 2013 -0800
+++ b/make/solaris/Makefile	Sun Jan 27 21:58:34 2013 -0500
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 1998, 2012, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -157,13 +157,11 @@
 SUBDIRS_C2        = $(addprefix $(OSNAME)_$(BUILDARCH)_compiler2/,$(TARGETS))
 SUBDIRS_TIERED    = $(addprefix $(OSNAME)_$(BUILDARCH)_tiered/,$(TARGETS))
 SUBDIRS_CORE      = $(addprefix $(OSNAME)_$(BUILDARCH)_core/,$(TARGETS))
-SUBDIRS_KERNEL    = $(addprefix $(OSNAME)_$(BUILDARCH)_kernel/,$(TARGETS))
 
 TARGETS_C2        = $(TARGETS)
 TARGETS_C1        = $(addsuffix 1,$(TARGETS))
 TARGETS_TIERED    = $(addsuffix tiered,$(TARGETS))
 TARGETS_CORE      = $(addsuffix core,$(TARGETS))
-TARGETS_KERNEL    = $(addsuffix kernel,$(TARGETS))
 
 BUILDTREE_MAKE    = $(GAMMADIR)/make/$(OSNAME)/makefiles/buildtree.make
 BUILDTREE_VARS    = GAMMADIR=$(GAMMADIR) OS_FAMILY=$(OSNAME) ARCH=$(SRCARCH) BUILDARCH=$(BUILDARCH) LIBARCH=$(LIBARCH)
@@ -229,10 +227,6 @@
 	$(QUIETLY) $(MAKE) -f $(GAMMADIR)/make/$(OSNAME)/Makefile checks
 	$(BUILDTREE) VARIANT=core
 
-$(SUBDIRS_KERNEL): $(BUILDTREE_MAKE)
-	$(QUIETLY) $(MAKE) -f $(GAMMADIR)/make/$(OSNAME)/Makefile checks
-	$(BUILDTREE) VARIANT=kernel
-
 # Define INSTALL=y at command line to automatically copy JVM into JAVA_HOME
 
 $(TARGETS_C2):  $(SUBDIRS_C2)
@@ -271,20 +265,10 @@
 	cd $(OSNAME)_$(BUILDARCH)_core/$(patsubst %core,%,$@) && $(MAKE) $(MFLAGS) install
 endif
 
-$(TARGETS_KERNEL):  $(SUBDIRS_KERNEL)
-	cd $(OSNAME)_$(BUILDARCH)_kernel/$(patsubst %kernel,%,$@) && $(MAKE) $(MFLAGS)
-ifeq ($(TEST_IN_BUILD),true)
-	cd $(OSNAME)_$(BUILDARCH)_kernel/$(patsubst %kernel,%,$@) && ./test_gamma
-endif
-ifdef INSTALL
-	cd $(OSNAME)_$(BUILDARCH)_kernel/$(patsubst %kernel,%,$@) && $(MAKE) $(MFLAGS) install
-endif
-
 # Just build the tree, and nothing else:
 tree:      $(SUBDIRS_C2)
 tree1:     $(SUBDIRS_C1)
 treecore:  $(SUBDIRS_CORE)
-treekernel:  $(SUBDIRS_KERNEL)
 
 # Doc target.  This is the same for all build options.
 #     Hence create a docs directory beside ...$(ARCH)_[...]
@@ -304,10 +288,10 @@
 clean_docs:
 	rm -rf $(SUBDIR_DOCS)
 
-clean_compiler1 clean_compiler2 clean_core clean_kernel:
+clean_compiler1 clean_compiler2 clean_core:
 	rm -rf $(OSNAME)_$(BUILDARCH)_$(subst clean_,,$@)
 
-clean:  clean_compiler2 clean_compiler1 clean_core clean_docs clean_kernel
+clean:  clean_compiler2 clean_compiler1 clean_core clean_docs
 
 include $(GAMMADIR)/make/cscope.make
 
--- a/make/solaris/makefiles/dtrace.make	Fri Jan 25 03:03:23 2013 -0800
+++ b/make/solaris/makefiles/dtrace.make	Sun Jan 27 21:58:34 2013 -0500
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -25,10 +25,9 @@
 # Rules to build jvm_db/dtrace, used by vm.make
 
 # We build libjvm_dtrace/libjvm_db/dtrace for COMPILER1 and COMPILER2
-# but not for CORE or KERNEL configurations.
+# but not for CORE configuration.
 
 ifneq ("${TYPE}", "CORE")
-ifneq ("${TYPE}", "KERNEL")
 
 ifdef USE_GCC
 
@@ -362,13 +361,6 @@
 
 endif # ifdef USE_GCC
 
-else # KERNEL build
-
-dtraceCheck:
-	$(QUIETLY) echo "**NOTICE** Dtrace support disabled for KERNEL builds"
-
-endif # ifneq ("${TYPE}", "KERNEL")
-
 else # CORE build
 
 dtraceCheck:
--- a/make/solaris/makefiles/kernel.make	Fri Jan 25 03:03:23 2013 -0800
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,32 +0,0 @@
-#
-# Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
-# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
-#   
-# This code is free software; you can redistribute it and/or modify it
-# under the terms of the GNU General Public License version 2 only, as
-# published by the Free Software Foundation.
-#   
-# This code is distributed in the hope that it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
-# version 2 for more details (a copy is included in the LICENSE file that
-# accompanied this code).
-#  
-# You should have received a copy of the GNU General Public License version
-# 2 along with this work; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
-#   
-# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
-# or visit www.oracle.com if you need additional information or have any
-# questions.
-#  
-#
-# 
-# Sets make macros for making kernel version of VM.
-# This target on solaris is just tempoarily for debugging the kernel build.
-
-TYPE=KERNEL
-
-VM_SUBDIR = client
-
-CFLAGS += -DKERNEL
--- a/make/windows/build.bat	Fri Jan 25 03:03:23 2013 -0800
+++ b/make/windows/build.bat	Sun Jan 27 21:58:34 2013 -0500
@@ -1,6 +1,6 @@
 @echo off
 REM
-REM Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
+REM Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
 REM DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 REM
 REM This code is free software; you can redistribute it and/or modify it
@@ -67,7 +67,6 @@
 
 :test1
 if "%2" == "core"      goto test2
-if "%2" == "kernel"    goto test2
 if "%2" == "compiler1" goto test2
 if "%2" == "compiler2" goto test2
 if "%2" == "tiered"    goto test2
@@ -109,7 +108,7 @@
 echo.
 echo where:
 echo flavor is "product", "debug" or "fastdebug",
-echo version is "core", "kernel", "compiler1", "compiler2", or "tiered",
+echo version is "core", "compiler1", "compiler2", or "tiered",
 echo workspace is source directory without trailing slash, 
 echo bootstrap_dir is a full path to a JDK in which bin/java 
 echo   and bin/javac are present and working, and build_id is an 
--- a/make/windows/create_obj_files.sh	Fri Jan 25 03:03:23 2013 -0800
+++ b/make/windows/create_obj_files.sh	Sun Jan 27 21:58:34 2013 -0500
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2010, 2012, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -107,7 +107,6 @@
 # Include dirs per type.
 case "${TYPE}" in
     "core")      Src_Dirs="${CORE_PATHS}" ;;
-    "kernel")    Src_Dirs="${BASE_PATHS} ${COMPILER1_PATHS}" ;;
     "compiler1") Src_Dirs="${CORE_PATHS} ${COMPILER1_PATHS}" ;;
     "compiler2") Src_Dirs="${CORE_PATHS} ${COMPILER2_PATHS}" ;;
     "tiered")    Src_Dirs="${CORE_PATHS} ${COMPILER1_PATHS} ${COMPILER2_PATHS}" ;;
@@ -120,16 +119,12 @@
 SHARK_SPECIFIC_FILES="shark"
 ZERO_SPECIFIC_FILES="zero"
 
-# These files need to be excluded when building the kernel target.
-KERNEL_EXCLUDED_FILES="attachListener.cpp attachListener_windows.cpp metaspaceShared_${Platform_arch_model}.cpp forte.cpp fprofiler.cpp heapDumper.cpp heapInspection.cpp jniCheck.cpp jvmtiCodeBlobEvents.cpp jvmtiExtensions.cpp jvmtiImpl.cpp jvmtiRawMonitor.cpp jvmtiTagMap.cpp jvmtiTrace.cpp vmStructs.cpp g1MemoryPool.cpp psMemoryPool.cpp gcAdaptivePolicyCounters.cpp concurrentGCThread.cpp metaspaceShared.cpp mutableNUMASpace.cpp allocationStats.cpp gSpaceCounters.cpp immutableSpace.cpp mutableSpace.cpp spaceCounters.cpp yieldingWorkgroup.cpp"
-
 # Always exclude these.
 Src_Files_EXCLUDE="jsig.c jvmtiEnvRecommended.cpp jvmtiEnvStub.cpp"
 
 # Exclude per type.
 case "${TYPE}" in
     "core")      Src_Files_EXCLUDE="${Src_Files_EXCLUDE} ${COMPILER1_SPECIFIC_FILES} ${COMPILER2_SPECIFIC_FILES} ${ZERO_SPECIFIC_FILES} ${SHARK_SPECIFIC_FILES} ciTypeFlow.cpp" ;;
-    "kernel")    Src_Files_EXCLUDE="${Src_Files_EXCLUDE} ${COMPILER2_SPECIFIC_FILES} ${ZERO_SPECIFIC_FILES} ${SHARK_SPECIFIC_FILES} ${KERNEL_EXCLUDED_FILES} ciTypeFlow.cpp" ;;
     "compiler1") Src_Files_EXCLUDE="${Src_Files_EXCLUDE} ${COMPILER2_SPECIFIC_FILES} ${ZERO_SPECIFIC_FILES} ${SHARK_SPECIFIC_FILES} ciTypeFlow.cpp" ;;
     "compiler2") Src_Files_EXCLUDE="${Src_Files_EXCLUDE} ${COMPILER1_SPECIFIC_FILES} ${ZERO_SPECIFIC_FILES} ${SHARK_SPECIFIC_FILES}" ;;
     "tiered")    Src_Files_EXCLUDE="${Src_Files_EXCLUDE} ${ZERO_SPECIFIC_FILES} ${SHARK_SPECIFIC_FILES}" ;;
--- a/make/windows/makefiles/defs.make	Fri Jan 25 03:03:23 2013 -0800
+++ b/make/windows/makefiles/defs.make	Sun Jan 27 21:58:34 2013 -0500
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2006, 2012, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2006, 2013, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -157,7 +157,7 @@
 MAKE_ARGS += RM="$(RM)"
 MAKE_ARGS += ZIPEXE=$(ZIPEXE)
 
-# On 32 bit windows we build server, client and kernel, on 64 bit just server.
+# On 32 bit windows we build server and client, on 64 bit just server.
 ifeq ($(JVM_VARIANTS),)
   ifeq ($(ARCH_DATA_MODEL), 32)
     JVM_VARIANTS:=client,server
@@ -250,7 +250,6 @@
 
 EXPORT_SERVER_DIR = $(EXPORT_JRE_BIN_DIR)/server
 EXPORT_CLIENT_DIR = $(EXPORT_JRE_BIN_DIR)/client
-EXPORT_KERNEL_DIR = $(EXPORT_JRE_BIN_DIR)/kernel
 
 ifeq ($(JVM_VARIANT_SERVER),true)
   EXPORT_LIST += $(EXPORT_SERVER_DIR)/Xusage.txt
@@ -277,18 +276,6 @@
     endif
   endif
 endif
-ifeq ($(JVM_VARIANT_KERNEL),true)
-  EXPORT_LIST += $(EXPORT_KERNEL_DIR)/Xusage.txt
-  EXPORT_LIST += $(EXPORT_KERNEL_DIR)/jvm.$(LIBRARY_SUFFIX)
-  ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1)
-    ifeq ($(ZIP_DEBUGINFO_FILES),1)
-      EXPORT_LIST += $(EXPORT_KERNEL_DIR)/jvm.diz
-    else
-      EXPORT_LIST += $(EXPORT_KERNEL_DIR)/jvm.pdb
-      EXPORT_LIST += $(EXPORT_KERNEL_DIR)/jvm.map
-    endif
-  endif
-endif
 
 EXPORT_LIST += $(EXPORT_JRE_LIB_DIR)/wb.jar
 
--- a/make/windows/makefiles/projectcreator.make	Fri Jan 25 03:03:23 2013 -0800
+++ b/make/windows/makefiles/projectcreator.make	Sun Jan 27 21:58:34 2013 -0500
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -167,63 +167,6 @@
 $(ProjectCreatorIDEOptionsIgnoreCompiler2:TARGET=core)
 
 ##################################################
-# JKERNEL specific options
-##################################################
-ProjectCreatorIDEOptions=$(ProjectCreatorIDEOptions) \
- -define_kernel KERNEL \
-$(ProjectCreatorIDEOptionsIgnoreCompiler2:TARGET=kernel) \
- -ignorePath_kernel src/share/vm/gc_implementation/parallelScavenge \
- -ignorePath_kernel src/share/vm/gc_implementation/parNew \
- -ignorePath_kernel src/share/vm/gc_implementation/concurrentMarkSweep \
- -ignorePath_kernel src/share/vm/gc_implementation/g1 \
- -ignoreFile_kernel attachListener.cpp \
- -ignoreFile_kernel attachListener_windows.cpp \
- -ignoreFile_kernel dump.cpp \
- -ignoreFile_kernel dump_$(Platform_arch_model).cpp \
- -ignoreFile_kernel forte.cpp \
- -ignoreFile_kernel fprofiler.cpp \
- -ignoreFile_kernel heapDumper.cpp \
- -ignoreFile_kernel heapInspection.cpp \
- -ignoreFile_kernel jniCheck.cpp \
- -ignoreFile_kernel jvmtiCodeBlobEvents.cpp \
- -ignoreFile_kernel jvmtiExtensions.cpp \
- -ignoreFile_kernel jvmtiImpl.cpp \
- -ignoreFile_kernel jvmtiRawMonitor.cpp \
- -ignoreFile_kernel jvmtiTagMap.cpp \
- -ignoreFile_kernel jvmtiTrace.cpp \
- -ignoreFile_kernel jvmtiTrace.hpp \
- -ignoreFile_kernel restore.cpp \
- -ignoreFile_kernel serialize.cpp \
- -ignoreFile_kernel vmStructs.cpp \
- -ignoreFile_kernel g1MemoryPool.cpp \
- -ignoreFile_kernel g1MemoryPool.hpp \
- -ignoreFile_kernel psMemoryPool.cpp \
- -ignoreFile_kernel psMemoryPool.hpp \
- -ignoreFile_kernel gcAdaptivePolicyCounters.cpp \
- -ignoreFile_kernel concurrentGCThread.cpp \
- -ignoreFile_kernel mutableNUMASpace.cpp \
- -ignoreFile_kernel ciTypeFlow.cpp \
- -ignoreFile_kernel ciTypeFlow.hpp \
- -ignoreFile_kernel oop.pcgc.inline.hpp \
- -ignoreFile_kernel oop.psgc.inline.hpp \
- -ignoreFile_kernel allocationStats.cpp \
- -ignoreFile_kernel allocationStats.hpp \
- -ignoreFile_kernel concurrentGCThread.hpp \
- -ignoreFile_kernel gSpaceCounters.cpp \
- -ignoreFile_kernel gSpaceCounters.hpp \
- -ignoreFile_kernel gcAdaptivePolicyCounters.hpp \
- -ignoreFile_kernel immutableSpace.cpp \
- -ignoreFile_kernel mutableNUMASpace.hpp \
- -ignoreFile_kernel mutableSpace.cpp \
- -ignoreFile_kernel spaceCounters.cpp \
- -ignoreFile_kernel spaceCounters.hpp \
- -ignoreFile_kernel yieldingWorkgroup.cpp \
- -ignoreFile_kernel yieldingWorkgroup.hpp \
- -ignorePath_kernel vmStructs_ \
- -ignoreFile_kernel $(Platform_arch_model).ad \
- -additionalFile_kernel gcTaskManager.hpp
-
-##################################################
 # Client(C1) compiler specific options
 ##################################################
 ProjectCreatorIDEOptions=$(ProjectCreatorIDEOptions) \
--- a/make/windows/makefiles/vm.make	Fri Jan 25 03:03:23 2013 -0800
+++ b/make/windows/makefiles/vm.make	Sun Jan 27 21:58:34 2013 -0500
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -44,10 +44,6 @@
 # No need to define anything, CORE is defined as !COMPILER1 && !COMPILER2
 !endif
 
-!if "$(Variant)" == "kernel"
-CXX_FLAGS=$(CXX_FLAGS) /D "KERNEL"
-!endif
-
 !if "$(Variant)" == "compiler1"
 CXX_FLAGS=$(CXX_FLAGS) /D "COMPILER1"
 !endif
--- a/src/cpu/x86/vm/assembler_x86.hpp	Fri Jan 25 03:03:23 2013 -0800
+++ b/src/cpu/x86/vm/assembler_x86.hpp	Sun Jan 27 21:58:34 2013 -0500
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -543,7 +543,7 @@
   // of instructions are freely declared without the need for wrapping them an ifdef.
   // (Some dangerous instructions are ifdef's out of inappropriate jvm's.)
   // In the .cpp file the implementations are wrapped so that they are dropped out
-  // of the resulting jvm. This is done mostly to keep the footprint of KERNEL
+  // of the resulting jvm. This is done mostly to keep the footprint of MINIMAL
   // to the size it was prior to merging up the 32bit and 64bit assemblers.
   //
   // This does mean you'll get a linker/runtime error if you use a 64bit only instruction
--- a/src/share/vm/classfile/classLoaderData.cpp	Fri Jan 25 03:03:23 2013 -0800
+++ b/src/share/vm/classfile/classLoaderData.cpp	Sun Jan 27 21:58:34 2013 -0500
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -50,11 +50,12 @@
 #include "classfile/classLoaderData.hpp"
 #include "classfile/classLoaderData.inline.hpp"
 #include "classfile/javaClasses.hpp"
+#include "classfile/metadataOnStackMark.hpp"
 #include "classfile/systemDictionary.hpp"
 #include "code/codeCache.hpp"
 #include "memory/metadataFactory.hpp"
 #include "memory/metaspaceShared.hpp"
-#include "prims/jvmtiRedefineClasses.hpp"
+#include "memory/oopFactory.hpp"
 #include "runtime/jniHandles.hpp"
 #include "runtime/mutex.hpp"
 #include "runtime/safepoint.hpp"
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/vm/classfile/metadataOnStackMark.cpp	Sun Jan 27 21:58:34 2013 -0500
@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#include "precompiled.hpp"
+#include "classfile/metadataOnStackMark.hpp"
+#include "code/codeCache.hpp"
+#include "compiler/compileBroker.hpp"
+#include "oops/metadata.hpp"
+#include "runtime/synchronizer.hpp"
+#include "runtime/thread.hpp"
+#include "utilities/growableArray.hpp"
+
+
+// Keep track of marked on-stack metadata so it can be cleared.
+GrowableArray<Metadata*>* _marked_objects = NULL;
+NOT_PRODUCT(bool MetadataOnStackMark::_is_active = false;)
+
+// Walk metadata on the stack and mark it so that redefinition doesn't delete
+// it.  Class unloading also walks the previous versions and might try to
+// delete it, so this class is used by class unloading also.
+MetadataOnStackMark::MetadataOnStackMark() {
+  assert(SafepointSynchronize::is_at_safepoint(), "sanity check");
+  NOT_PRODUCT(_is_active = true;)
+  if (_marked_objects == NULL) {
+    _marked_objects = new (ResourceObj::C_HEAP, mtClass) GrowableArray<Metadata*>(1000, true);
+  }
+  Threads::metadata_do(Metadata::mark_on_stack);
+  CodeCache::alive_nmethods_do(nmethod::mark_on_stack);
+  CompileBroker::mark_on_stack();
+}
+
+MetadataOnStackMark::~MetadataOnStackMark() {
+  assert(SafepointSynchronize::is_at_safepoint(), "sanity check");
+  // Unmark everything that was marked.   Can't do the same walk because
+  // redefine classes messes up the code cache so the set of methods
+  // might not be the same.
+  for (int i = 0; i< _marked_objects->length(); i++) {
+    _marked_objects->at(i)->set_on_stack(false);
+  }
+  _marked_objects->clear();   // reuse growable array for next time.
+  NOT_PRODUCT(_is_active = false;)
+}
+
+// Record which objects are marked so we can unmark the same objects.
+void MetadataOnStackMark::record(Metadata* m) {
+  assert(_is_active, "metadata on stack marking is active");
+  _marked_objects->push(m);
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/vm/classfile/metadataOnStackMark.hpp	Sun Jan 27 21:58:34 2013 -0500
@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#ifndef SHARE_VM_CLASSFILE_METADATAONSTACKMARK_HPP
+#define SHARE_VM_CLASSFILE_METADATAONSTACKMARK_HPP
+
+#include "memory/allocation.hpp"
+
+class Metadata;
+
+// Helper class to mark and unmark metadata used on the stack as either handles
+// or executing methods, so that it can't be deleted during class redefinition
+// and class unloading.
+// This is also used for other things that can be deallocated, like class
+// metadata during parsing, relocated methods, and methods in backtraces.
+class MetadataOnStackMark : public StackObj {
+  NOT_PRODUCT(static bool _is_active;)
+ public:
+  MetadataOnStackMark();
+  ~MetadataOnStackMark();
+  static void record(Metadata* m);
+};
+
+#endif // SHARE_VM_CLASSFILE_METADATAONSTACKMARK_HPP
--- a/src/share/vm/classfile/systemDictionary.cpp	Fri Jan 25 03:03:23 2013 -0800
+++ b/src/share/vm/classfile/systemDictionary.cpp	Sun Jan 27 21:58:34 2013 -0500
@@ -1199,66 +1199,6 @@
   return ik;
 }
 
-#ifdef KERNEL
-// Some classes on the bootstrap class path haven't been installed on the
-// system yet.  Call the DownloadManager method to make them appear in the
-// bootstrap class path and try again to load the named class.
-// Note that with delegation class loaders all classes in another loader will
-// first try to call this so it'd better be fast!!
-static instanceKlassHandle download_and_retry_class_load(
-                                                    Symbol* class_name,
-                                                    TRAPS) {
-
-  Klass* dlm = SystemDictionary::DownloadManager_klass();
-  instanceKlassHandle nk;
-
-  // If download manager class isn't loaded just return.
-  if (dlm == NULL) return nk;
-
-  { HandleMark hm(THREAD);
-    ResourceMark rm(THREAD);
-    Handle s = java_lang_String::create_from_symbol(class_name, CHECK_(nk));
-    Handle class_string = java_lang_String::externalize_classname(s, CHECK_(nk));
-
-    // return value
-    JavaValue result(T_OBJECT);
-
-    // Call the DownloadManager.  We assume that it has a lock because
-    // multiple classes could be not found and downloaded at the same time.
-    // class sun.misc.DownloadManager;
-    // public static String getBootClassPathEntryForClass(String className);
-    JavaCalls::call_static(&result,
-                       KlassHandle(THREAD, dlm),
-                       vmSymbols::getBootClassPathEntryForClass_name(),
-                       vmSymbols::string_string_signature(),
-                       class_string,
-                       CHECK_(nk));
-
-    // Get result.string and add to bootclasspath
-    assert(result.get_type() == T_OBJECT, "just checking");
-    oop obj = (oop) result.get_jobject();
-    if (obj == NULL) { return nk; }
-
-    Handle h_obj(THREAD, obj);
-    char* new_class_name = java_lang_String::as_platform_dependent_str(h_obj,
-                                                                  CHECK_(nk));
-
-    // lock the loader
-    // we use this lock because JVMTI does.
-    Handle loader_lock(THREAD, SystemDictionary::system_loader_lock());
-
-    ObjectLocker ol(loader_lock, THREAD);
-    // add the file to the bootclasspath
-    ClassLoader::update_class_path_entry_list(new_class_name, true);
-  } // end HandleMark
-
-  if (TraceClassLoading) {
-    ClassLoader::print_bootclasspath();
-  }
-  return ClassLoader::load_classfile(class_name, CHECK_(nk));
-}
-#endif // KERNEL
-
 
 instanceKlassHandle SystemDictionary::load_instance_class(Symbol* class_name, Handle class_loader, TRAPS) {
   instanceKlassHandle nh = instanceKlassHandle(); // null Handle
@@ -1278,15 +1218,6 @@
       k = ClassLoader::load_classfile(class_name, CHECK_(nh));
     }
 
-#ifdef KERNEL
-    // If the VM class loader has failed to load the class, call the
-    // DownloadManager class to make it magically appear on the classpath
-    // and try again.  This is only configured with the Kernel VM.
-    if (k.is_null()) {
-      k = download_and_retry_class_load(class_name, CHECK_(nh));
-    }
-#endif // KERNEL
-
     // find_or_define_instance_class may return a different InstanceKlass
     if (!k.is_null()) {
       k = find_or_define_instance_class(class_name, class_loader, k, CHECK_(nh));
@@ -1822,13 +1753,7 @@
   Symbol* symbol = vmSymbols::symbol_at((vmSymbols::SID)sid);
   Klass**    klassp = &_well_known_klasses[id];
   bool must_load = (init_opt < SystemDictionary::Opt);
-  bool try_load  = true;
-  if (init_opt == SystemDictionary::Opt_Kernel) {
-#ifndef KERNEL
-    try_load = false;
-#endif //KERNEL
-  }
-  if ((*klassp) == NULL && try_load) {
+  if ((*klassp) == NULL) {
     if (must_load) {
       (*klassp) = resolve_or_fail(symbol, true, CHECK_0); // load required class
     } else {
@@ -1918,12 +1843,6 @@
   //_box_klasses[T_OBJECT]  = WK_KLASS(object_klass);
   //_box_klasses[T_ARRAY]   = WK_KLASS(object_klass);
 
-#ifdef KERNEL
-  if (DownloadManager_klass() == NULL) {
-    warning("Cannot find sun/jkernel/DownloadManager");
-  }
-#endif // KERNEL
-
   { // Compute whether we should use loadClass or loadClassInternal when loading classes.
     Method* method = InstanceKlass::cast(ClassLoader_klass())->find_method(vmSymbols::loadClassInternal_name(), vmSymbols::string_class_signature());
     _has_loadClassInternal = (method != NULL);
--- a/src/share/vm/classfile/systemDictionary.hpp	Fri Jan 25 03:03:23 2013 -0800
+++ b/src/share/vm/classfile/systemDictionary.hpp	Sun Jan 27 21:58:34 2013 -0500
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -168,8 +168,6 @@
   /* It's okay if this turns out to be NULL in non-1.4 JDKs. */                                                          \
   do_klass(nio_Buffer_klass,                            java_nio_Buffer,                           Opt                 ) \
                                                                                                                          \
-  do_klass(DownloadManager_klass,                       sun_jkernel_DownloadManager,               Opt_Kernel          ) \
-                                                                                                                         \
   do_klass(PostVMInitHook_klass,                        sun_misc_PostVMInitHook,                   Opt                 ) \
                                                                                                                          \
   /* Preload boxing klasses */                                                                                           \
@@ -211,7 +209,6 @@
     Opt,                        // preload tried; NULL if not present
     Opt_Only_JDK14NewRef,       // preload tried; use only with NewReflection
     Opt_Only_JDK15,             // preload tried; use only with JDK1.5+
-    Opt_Kernel,                 // preload tried only #ifdef KERNEL
     OPTION_LIMIT,
     CEIL_LG_OPTION_LIMIT = 4    // OPTION_LIMIT <= (1<<CEIL_LG_OPTION_LIMIT)
   };
@@ -394,7 +391,6 @@
   static Klass* check_klass_Pre(       Klass* k) { return check_klass(k); }
   static Klass* check_klass_Pre_JSR292(Klass* k) { return EnableInvokeDynamic ? check_klass(k) : k; }
   static Klass* check_klass_Opt(       Klass* k) { return k; }
-  static Klass* check_klass_Opt_Kernel(Klass* k) { return k; } //== Opt
   static Klass* check_klass_Opt_Only_JDK15(Klass* k) {
     assert(JDK_Version::is_gte_jdk15x_version(), "JDK 1.5 only");
     return k;
--- a/src/share/vm/classfile/vmSymbols.hpp	Fri Jan 25 03:03:23 2013 -0800
+++ b/src/share/vm/classfile/vmSymbols.hpp	Sun Jan 27 21:58:34 2013 -0500
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -108,7 +108,6 @@
   template(java_lang_Compiler,                        "java/lang/Compiler")                       \
   template(sun_misc_Signal,                           "sun/misc/Signal")                          \
   template(java_lang_AssertionStatusDirectives,       "java/lang/AssertionStatusDirectives")      \
-  template(sun_jkernel_DownloadManager,               "sun/jkernel/DownloadManager")              \
   template(getBootClassPathEntryForClass_name,        "getBootClassPathEntryForClass")            \
   template(sun_misc_PostVMInitHook,                   "sun/misc/PostVMInitHook")                  \
   template(sun_misc_Launcher_ExtClassLoader,          "sun/misc/Launcher$ExtClassLoader")         \
--- a/src/share/vm/gc_implementation/concurrentMarkSweep/vmStructs_cms.hpp	Fri Jan 25 03:03:23 2013 -0800
+++ b/src/share/vm/gc_implementation/concurrentMarkSweep/vmStructs_cms.hpp	Sun Jan 27 21:58:34 2013 -0500
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2007, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -34,16 +34,17 @@
   nonstatic_field(CompactibleFreeListSpace,    _bt,                                           BlockOffsetArrayNonContigSpace)        \
                                                                                                                                      \
   nonstatic_field(CMSBitMap,                   _bmWordSize,                                   size_t)                                \
-  nonstatic_field(CMSBitMap,                   _shifter,                                      const int)                            \
-  nonstatic_field(CMSBitMap,                      _bm,                                           BitMap)                            \
-  nonstatic_field(CMSBitMap,                   _virtual_space,                                VirtualSpace)                         \
+  nonstatic_field(CMSBitMap,                   _shifter,                                      const int)                             \
+  nonstatic_field(CMSBitMap,                      _bm,                                           BitMap)                             \
+  nonstatic_field(CMSBitMap,                   _virtual_space,                                VirtualSpace)                          \
   nonstatic_field(CMSCollector,                _markBitMap,                                   CMSBitMap)                             \
   nonstatic_field(ConcurrentMarkSweepGeneration, _cmsSpace,                                   CompactibleFreeListSpace*)             \
      static_field(ConcurrentMarkSweepThread,   _collector,                                    CMSCollector*)                         \
   nonstatic_field(LinearAllocBlock,            _word_size,                                    size_t)                                \
   nonstatic_field(AFLBinaryTreeDictionary,     _total_size,                                   size_t)                                \
   nonstatic_field(CompactibleFreeListSpace,    _indexedFreeList[0],                           FreeList<FreeChunk>)                   \
-  nonstatic_field(CompactibleFreeListSpace,    _smallLinearAllocBlock,                        LinearAllocBlock)
+  nonstatic_field(CompactibleFreeListSpace,    _smallLinearAllocBlock,                        LinearAllocBlock)                      \
+  nonstatic_field(CompactibleFreeListSpace,    _dictionary,                                   FreeBlockDictionary<FreeChunk>*)
 
 
 #define VM_TYPES_CMS(declare_type,                                        \
--- a/src/share/vm/interpreter/linkResolver.cpp	Fri Jan 25 03:03:23 2013 -0800
+++ b/src/share/vm/interpreter/linkResolver.cpp	Sun Jan 27 21:58:34 2013 -0500
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -1241,7 +1241,7 @@
 
 void LinkResolver::resolve_invokedynamic(CallInfo& result, constantPoolHandle pool, int index, TRAPS) {
   assert(EnableInvokeDynamic, "");
-  pool->set_invokedynamic();    // mark header to flag active call sites
+  pool->set_has_invokedynamic();    // mark header to flag active call sites
 
   //resolve_pool(<resolved_klass>, method_name, method_signature, current_klass, pool, index, CHECK);
   Symbol* method_name       = pool->name_ref_at(index);
--- a/src/share/vm/oops/constantPool.cpp	Fri Jan 25 03:03:23 2013 -0800
+++ b/src/share/vm/oops/constantPool.cpp	Sun Jan 27 21:58:34 2013 -0500
@@ -25,6 +25,7 @@
 #include "precompiled.hpp"
 #include "classfile/classLoaderData.hpp"
 #include "classfile/javaClasses.hpp"
+#include "classfile/metadataOnStackMark.hpp"
 #include "classfile/symbolTable.hpp"
 #include "classfile/systemDictionary.hpp"
 #include "classfile/vmSymbols.hpp"
@@ -34,7 +35,6 @@
 #include "oops/constantPool.hpp"
 #include "oops/instanceKlass.hpp"
 #include "oops/objArrayKlass.hpp"
-#include "prims/jvmtiRedefineClasses.hpp"
 #include "runtime/fieldType.hpp"
 #include "runtime/init.hpp"
 #include "runtime/javaCalls.hpp"
@@ -65,11 +65,10 @@
   set_operands(NULL);
   set_pool_holder(NULL);
   set_flags(0);
+
   // only set to non-zero if constant pool is merged by RedefineClasses
   set_version(0);
   set_lock(new Monitor(Monitor::nonleaf + 2, "A constant pool lock"));
-  // all fields are initialized; needed for GC
-  set_on_stack(false);
 
   // initialize tag array
   int length = tags->length();
@@ -100,18 +99,6 @@
   set_lock(NULL);
 }
 
-void ConstantPool::set_flag_at(FlagBit fb) {
-  const int MAX_STATE_CHANGES = 2;
-  for (int i = MAX_STATE_CHANGES + 10; i > 0; i--) {
-    int oflags = _flags;
-    int nflags = oflags | (1 << (int)fb);
-    if (Atomic::cmpxchg(nflags, &_flags, oflags) == oflags)
-      return;
-  }
-  assert(false, "failed to cmpxchg flags");
-  _flags |= (1 << (int)fb);     // better than nothing
-}
-
 objArrayOop ConstantPool::resolved_references() const {
   return (objArrayOop)JNIHandles::resolve(_resolved_references);
 }
@@ -1111,32 +1098,9 @@
 } // end compare_entry_to()
 
 
-// Copy this constant pool's entries at start_i to end_i (inclusive)
-// to the constant pool to_cp's entries starting at to_i. A total of
-// (end_i - start_i) + 1 entries are copied.
-void ConstantPool::copy_cp_to_impl(constantPoolHandle from_cp, int start_i, int end_i,
-       constantPoolHandle to_cp, int to_i, TRAPS) {
-
-  int dest_i = to_i;  // leave original alone for debug purposes
-
-  for (int src_i = start_i; src_i <= end_i; /* see loop bottom */ ) {
-    copy_entry_to(from_cp, src_i, to_cp, dest_i, CHECK);
-
-    switch (from_cp->tag_at(src_i).value()) {
-    case JVM_CONSTANT_Double:
-    case JVM_CONSTANT_Long:
-      // double and long take two constant pool entries
-      src_i += 2;
-      dest_i += 2;
-      break;
-
-    default:
-      // all others take one constant pool entry
-      src_i++;
-      dest_i++;
-      break;
-    }
-  }
+void ConstantPool::copy_operands(constantPoolHandle from_cp,
+                                 constantPoolHandle to_cp,
+                                 TRAPS) {
 
   int from_oplen = operand_array_length(from_cp->operands());
   int old_oplen  = operand_array_length(to_cp->operands());
@@ -1192,8 +1156,39 @@
       to_cp->set_operands(new_operands);
     }
   }
+} // end copy_operands()
 
-} // end copy_cp_to()
+
+// Copy this constant pool's entries at start_i to end_i (inclusive)
+// to the constant pool to_cp's entries starting at to_i. A total of
+// (end_i - start_i) + 1 entries are copied.
+void ConstantPool::copy_cp_to_impl(constantPoolHandle from_cp, int start_i, int end_i,
+       constantPoolHandle to_cp, int to_i, TRAPS) {
+
+
+  int dest_i = to_i;  // leave original alone for debug purposes
+
+  for (int src_i = start_i; src_i <= end_i; /* see loop bottom */ ) {
+    copy_entry_to(from_cp, src_i, to_cp, dest_i, CHECK);
+
+    switch (from_cp->tag_at(src_i).value()) {
+    case JVM_CONSTANT_Double:
+    case JVM_CONSTANT_Long:
+      // double and long take two constant pool entries
+      src_i += 2;
+      dest_i += 2;
+      break;
+
+    default:
+      // all others take one constant pool entry
+      src_i++;
+      dest_i++;
+      break;
+    }
+  }
+  copy_operands(from_cp, to_cp, CHECK);
+
+} // end copy_cp_to_impl()
 
 
 // Copy this constant pool's entry at from_i to the constant pool
@@ -1755,7 +1750,11 @@
 
 
 void ConstantPool::set_on_stack(const bool value) {
-  _on_stack = value;
+  if (value) {
+    _flags |= _on_stack;
+  } else {
+    _flags &= ~_on_stack;
+  }
   if (value) MetadataOnStackMark::record(this);
 }
 
@@ -1827,6 +1826,7 @@
     if (has_pseudo_string()) st->print(" has_pseudo_string");
     if (has_invokedynamic()) st->print(" has_invokedynamic");
     if (has_preresolution()) st->print(" has_preresolution");
+    if (on_stack()) st->print(" on_stack");
     st->cr();
   }
   if (pool_holder() != NULL) {
--- a/src/share/vm/oops/constantPool.hpp	Fri Jan 25 03:03:23 2013 -0800
+++ b/src/share/vm/oops/constantPool.hpp	Sun Jan 27 21:58:34 2013 -0500
@@ -95,11 +95,16 @@
   jobject              _resolved_references;
   Array<u2>*           _reference_map;
 
-  int                  _flags;         // a few header bits to describe contents for GC
+  enum {
+    _has_invokedynamic = 1,           // Flags
+    _has_pseudo_string = 2,
+    _has_preresolution = 4,
+    _on_stack          = 8
+  };
+
+  int                  _flags;  // old fashioned bit twiddling
   int                  _length; // number of elements in the array
 
-  bool                 _on_stack;     // Redefined method still executing refers to this constant pool.
-
   union {
     // set for CDS to restore resolved references
     int                _resolved_reference_length;
@@ -115,17 +120,8 @@
 
   void set_operands(Array<u2>* operands)       { _operands = operands; }
 
-  enum FlagBit {
-    FB_has_invokedynamic = 1,
-    FB_has_pseudo_string = 2,
-    FB_has_preresolution = 3
-  };
-
-  int flags() const                         { return _flags; }
-  void set_flags(int f)                     { _flags = f; }
-  bool flag_at(FlagBit fb) const            { return (_flags & (1 << (int)fb)) != 0; }
-  void set_flag_at(FlagBit fb);
-  // no clear_flag_at function; they only increase
+  int flags() const                            { return _flags; }
+  void set_flags(int f)                        { _flags = f; }
 
  private:
   intptr_t* base() const { return (intptr_t*) (((char*) this) + sizeof(ConstantPool)); }
@@ -178,18 +174,20 @@
   Array<u1>* tags() const                   { return _tags; }
   Array<u2>* operands() const               { return _operands; }
 
-  bool has_pseudo_string() const            { return flag_at(FB_has_pseudo_string); }
-  bool has_invokedynamic() const            { return flag_at(FB_has_invokedynamic); }
-  bool has_preresolution() const            { return flag_at(FB_has_preresolution); }
-  void set_pseudo_string()                  {    set_flag_at(FB_has_pseudo_string); }
-  void set_invokedynamic()                  {    set_flag_at(FB_has_invokedynamic); }
-  void set_preresolution()                  {    set_flag_at(FB_has_preresolution); }
+  bool has_invokedynamic() const            { return (_flags & _has_invokedynamic) != 0; }
+  void set_has_invokedynamic()              { _flags |= _has_invokedynamic; }
+
+  bool has_pseudo_string() const            { return (_flags & _has_pseudo_string) != 0; }
+  void set_has_pseudo_string()              { _flags |= _has_pseudo_string; }
+
+  bool has_preresolution() const            { return (_flags & _has_preresolution) != 0; }
+  void set_has_preresolution()              { _flags |= _has_preresolution; }
 
   // Redefine classes support.  If a method refering to this constant pool
   // is on the executing stack, or as a handle in vm code, this constant pool
   // can't be removed from the set of previous versions saved in the instance
   // class.
-  bool on_stack() const                     { return _on_stack; }
+  bool on_stack() const                      { return (_flags &_on_stack) != 0; }
   void set_on_stack(const bool value);
 
   // Klass holding pool
@@ -457,7 +455,7 @@
 
   void pseudo_string_at_put(int which, int obj_index, oop x) {
     assert(EnableInvokeDynamic, "");
-    set_pseudo_string();        // mark header
+    set_has_pseudo_string();        // mark header
     assert(tag_at(which).is_string(), "Corrupted constant pool");
     string_at_put(which, obj_index, x);    // this works just fine
   }
@@ -783,6 +781,7 @@
   }
   static void copy_cp_to_impl(constantPoolHandle from_cp, int start_i, int end_i, constantPoolHandle to_cp, int to_i, TRAPS);
   static void copy_entry_to(constantPoolHandle from_cp, int from_i, constantPoolHandle to_cp, int to_i, TRAPS);
+  static void copy_operands(constantPoolHandle from_cp, constantPoolHandle to_cp, TRAPS);
   int  find_matching_entry(int pattern_i, constantPoolHandle search_cp, TRAPS);
   int  version() const                    { return _saved._version; }
   void set_version(int version)           { _saved._version = version; }
--- a/src/share/vm/oops/method.cpp	Fri Jan 25 03:03:23 2013 -0800
+++ b/src/share/vm/oops/method.cpp	Sun Jan 27 21:58:34 2013 -0500
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -23,6 +23,7 @@
  */
 
 #include "precompiled.hpp"
+#include "classfile/metadataOnStackMark.hpp"
 #include "classfile/systemDictionary.hpp"
 #include "code/debugInfoRec.hpp"
 #include "gc_interface/collectedHeap.inline.hpp"
@@ -41,7 +42,6 @@
 #include "oops/oop.inline.hpp"
 #include "oops/symbol.hpp"
 #include "prims/jvmtiExport.hpp"
-#include "prims/jvmtiRedefineClasses.hpp"
 #include "prims/methodHandles.hpp"
 #include "prims/nativeLookup.hpp"
 #include "runtime/arguments.hpp"
@@ -1027,7 +1027,7 @@
   cp->set_pool_holder(InstanceKlass::cast(holder()));
   cp->symbol_at_put(_imcp_invoke_name,       name);
   cp->symbol_at_put(_imcp_invoke_signature,  signature);
-  cp->set_preresolution();
+  cp->set_has_preresolution();
 
   // decide on access bits:  public or not?
   int flags_bits = (JVM_ACC_NATIVE | JVM_ACC_SYNTHETIC | JVM_ACC_FINAL);
--- a/src/share/vm/prims/jniCheck.hpp	Fri Jan 25 03:03:23 2013 -0800
+++ b/src/share/vm/prims/jniCheck.hpp	Sun Jan 27 21:58:34 2013 -0500
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,9 +25,7 @@
 #ifndef SHARE_VM_PRIMS_JNICHECK_HPP
 #define SHARE_VM_PRIMS_JNICHECK_HPP
 
-#ifndef KERNEL
 #include "runtime/thread.hpp"
-#endif
 
 extern "C" {
   // Report a JNI failure caught by -Xcheck:jni.  Perform a core dump.
--- a/src/share/vm/prims/jvm.cpp	Fri Jan 25 03:03:23 2013 -0800
+++ b/src/share/vm/prims/jvm.cpp	Sun Jan 27 21:58:34 2013 -0500
@@ -4519,10 +4519,6 @@
   // consider to expose this new capability in the sun.rt.jvmCapabilities jvmstat
   // counter defined in runtimeService.cpp.
   info->is_attachable = AttachListener::is_attach_supported();
-#ifdef KERNEL
-  info->is_kernel_jvm = 1; // true;
-#else  // KERNEL
   info->is_kernel_jvm = 0; // false;
-#endif // KERNEL
 }
 JVM_END
--- a/src/share/vm/prims/jvmtiCodeBlobEvents.hpp	Fri Jan 25 03:03:23 2013 -0800
+++ b/src/share/vm/prims/jvmtiCodeBlobEvents.hpp	Sun Jan 27 21:58:34 2013 -0500
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,9 +25,7 @@
 #ifndef SHARE_VM_PRIMS_JVMTICODEBLOBEVENTS_HPP
 #define SHARE_VM_PRIMS_JVMTICODEBLOBEVENTS_HPP
 
-#ifndef JVMTI_KERNEL
 #include "jvmtifiles/jvmti.h"
-#endif
 
 // forward declaration
 class JvmtiEnv;
--- a/src/share/vm/prims/jvmtiEnv.cpp	Fri Jan 25 03:03:23 2013 -0800
+++ b/src/share/vm/prims/jvmtiEnv.cpp	Sun Jan 27 21:58:34 2013 -0500
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -647,8 +647,6 @@
   return JVMTI_ERROR_NONE;
 } /* end GetJLocationFormat */
 
-#ifndef JVMTI_KERNEL
-
   //
   // Thread functions
   //
@@ -3436,5 +3434,3 @@
   }
   return err;
 } /* end SetSystemProperty */
-
-#endif // !JVMTI_KERNEL
--- a/src/share/vm/prims/jvmtiEnvBase.cpp	Fri Jan 25 03:03:23 2013 -0800
+++ b/src/share/vm/prims/jvmtiEnvBase.cpp	Sun Jan 27 21:58:34 2013 -0500
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -74,10 +74,8 @@
 
   JvmtiManageCapabilities::initialize();
 
-#ifndef JVMTI_KERNEL
   // register extension functions and events
   JvmtiExtensions::register_extensions();
-#endif // !JVMTI_KERNEL
 
 #ifdef JVMTI_TRACE
   JvmtiTrace::initialize();
@@ -236,14 +234,12 @@
   // Same situation as with events (see above)
   set_native_method_prefixes(0, NULL);
 
-#ifndef JVMTI_KERNEL
   JvmtiTagMap* tag_map_to_deallocate = _tag_map;
   set_tag_map(NULL);
   // A tag map can be big, deallocate it now
   if (tag_map_to_deallocate != NULL) {
     delete tag_map_to_deallocate;
   }
-#endif // !JVMTI_KERNEL
 
   _needs_clean_up = true;
 }
@@ -255,14 +251,12 @@
   // There is a small window of time during which the tag map of a
   // disposed environment could have been reallocated.
   // Make sure it is gone.
-#ifndef JVMTI_KERNEL
   JvmtiTagMap* tag_map_to_deallocate = _tag_map;
   set_tag_map(NULL);
   // A tag map can be big, deallocate it now
   if (tag_map_to_deallocate != NULL) {
     delete tag_map_to_deallocate;
   }
-#endif // !JVMTI_KERNEL
 
   _magic = BAD_MAGIC;
 }
@@ -593,8 +587,6 @@
   return (jclass)jni_reference(k->java_mirror());
 }
 
-#ifndef JVMTI_KERNEL
-
 //
 // Field Information
 //
@@ -1482,5 +1474,3 @@
     }
   }
 }
-
-#endif // !JVMTI_KERNEL
--- a/src/share/vm/prims/jvmtiExport.cpp	Fri Jan 25 03:03:23 2013 -0800
+++ b/src/share/vm/prims/jvmtiExport.cpp	Sun Jan 27 21:58:34 2013 -0500
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -677,7 +677,6 @@
 }
 
 
-#ifndef JVMTI_KERNEL
 static inline Klass* oop_to_klass(oop obj) {
   Klass* k = obj->klass();
 
@@ -2178,7 +2177,6 @@
   typedef jint (JNICALL *OnAttachEntry_t)(JavaVM*, char *, void *);
 }
 
-#ifndef SERVICES_KERNEL
 jint JvmtiExport::load_agent_library(AttachOperation* op, outputStream* st) {
   char ebuf[1024];
   char buffer[JVM_MAXPATHLEN];
@@ -2259,7 +2257,6 @@
   }
   return result;
 }
-#endif // SERVICES_KERNEL
 
 ////////////////////////////////////////////////////////////////////////////////////////////////
 
@@ -2457,4 +2454,3 @@
     JvmtiExport::post_garbage_collection_finish();
   }
 }
-#endif // JVMTI_KERNEL
--- a/src/share/vm/prims/jvmtiExtensions.hpp	Fri Jan 25 03:03:23 2013 -0800
+++ b/src/share/vm/prims/jvmtiExtensions.hpp	Sun Jan 27 21:58:34 2013 -0500
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,11 +25,9 @@
 #ifndef SHARE_VM_PRIMS_JVMTIEXTENSIONS_HPP
 #define SHARE_VM_PRIMS_JVMTIEXTENSIONS_HPP
 
-#ifndef JVMTI_KERNEL
 #include "jvmtifiles/jvmti.h"
 #include "jvmtifiles/jvmtiEnv.hpp"
 #include "memory/allocation.hpp"
-#endif
 
 // JvmtiExtensions
 //
--- a/src/share/vm/prims/jvmtiImpl.cpp	Fri Jan 25 03:03:23 2013 -0800
+++ b/src/share/vm/prims/jvmtiImpl.cpp	Sun Jan 27 21:58:34 2013 -0500
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -905,8 +905,6 @@
 #endif
 }
 
-#ifndef KERNEL
-
 JvmtiDeferredEvent JvmtiDeferredEvent::compiled_method_load_event(
     nmethod* nm) {
   JvmtiDeferredEvent event = JvmtiDeferredEvent(TYPE_COMPILED_METHOD_LOAD);
@@ -1098,5 +1096,3 @@
     }
   }
 }
-
-#endif // ndef KERNEL
--- a/src/share/vm/prims/jvmtiImpl.hpp	Fri Jan 25 03:03:23 2013 -0800
+++ b/src/share/vm/prims/jvmtiImpl.hpp	Sun Jan 27 21:58:34 2013 -0500
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,8 +25,6 @@
 #ifndef SHARE_VM_PRIMS_JVMTIIMPL_HPP
 #define SHARE_VM_PRIMS_JVMTIIMPL_HPP
 
-#ifndef JVMTI_KERNEL
-
 #include "classfile/systemDictionary.hpp"
 #include "jvmtifiles/jvmti.h"
 #include "oops/objArrayOop.hpp"
@@ -435,7 +433,6 @@
   static void print();
 };
 
-#endif // !JVMTI_KERNEL
 
 /**
  * When a thread (such as the compiler thread or VM thread) cannot post a
--- a/src/share/vm/prims/jvmtiRawMonitor.hpp	Fri Jan 25 03:03:23 2013 -0800
+++ b/src/share/vm/prims/jvmtiRawMonitor.hpp	Sun Jan 27 21:58:34 2013 -0500
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,10 +25,8 @@
 #ifndef SHARE_VM_PRIMS_JVMTIRAWMONITOR_HPP
 #define SHARE_VM_PRIMS_JVMTIRAWMONITOR_HPP
 
-#ifndef JVMTI_KERNEL
 #include "runtime/objectMonitor.hpp"
 #include "utilities/growableArray.hpp"
-#endif
 
 //
 // class JvmtiRawMonitor
--- a/src/share/vm/prims/jvmtiRedefineClasses.cpp	Fri Jan 25 03:03:23 2013 -0800
+++ b/src/share/vm/prims/jvmtiRedefineClasses.cpp	Sun Jan 27 21:58:34 2013 -0500
@@ -23,6 +23,7 @@
  */
 
 #include "precompiled.hpp"
+#include "classfile/metadataOnStackMark.hpp"
 #include "classfile/systemDictionary.hpp"
 #include "classfile/verifier.hpp"
 #include "code/codeCache.hpp"
@@ -115,43 +116,6 @@
   return true;
 }
 
-// Keep track of marked on-stack metadata so it can be cleared.
-GrowableArray<Metadata*>* _marked_objects = NULL;
-NOT_PRODUCT(bool MetadataOnStackMark::_is_active = false;)
-
-// Walk metadata on the stack and mark it so that redefinition doesn't delete
-// it.  Class unloading also walks the previous versions and might try to
-// delete it, so this class is used by class unloading also.
-MetadataOnStackMark::MetadataOnStackMark() {
-  assert(SafepointSynchronize::is_at_safepoint(), "sanity check");
-  NOT_PRODUCT(_is_active = true;)
-  if (_marked_objects == NULL) {
-    _marked_objects = new (ResourceObj::C_HEAP, mtClass) GrowableArray<Metadata*>(1000, true);
-  }
-  Threads::metadata_do(Metadata::mark_on_stack);
-  CodeCache::alive_nmethods_do(nmethod::mark_on_stack);
-  CompileBroker::mark_on_stack();
-}
-
-MetadataOnStackMark::~MetadataOnStackMark() {
-  assert(SafepointSynchronize::is_at_safepoint(), "sanity check");
-  // Unmark everything that was marked.   Can't do the same walk because
-  // redefine classes messes up the code cache so the set of methods
-  // might not be the same.
-  for (int i = 0; i< _marked_objects->length(); i++) {
-    _marked_objects->at(i)->set_on_stack(false);
-  }
-  _marked_objects->clear();   // reuse growable array for next time.
-  NOT_PRODUCT(_is_active = false;)
-}
-
-// Record which objects are marked so we can unmark the same objects.
-void MetadataOnStackMark::record(Metadata* m) {
-  assert(_is_active, "metadata on stack marking is active");
-  _marked_objects->push(m);
-}
-
-
 void VM_RedefineClasses::doit() {
   Thread *thread = Thread::current();
 
@@ -1158,6 +1122,8 @@
       }
     } // end for each old_cp entry
 
+    ConstantPool::copy_operands(old_cp, *merge_cp_p, CHECK_0);
+
     // We don't need to sanity check that *merge_cp_length_p is within
     // *merge_cp_p bounds since we have the minimum on-entry check above.
     (*merge_cp_length_p) = old_i;
@@ -1341,8 +1307,12 @@
   _index_map_count = 0;
   _index_map_p = new intArray(scratch_cp->length(), -1);
 
+  // reference to the cp holder is needed for copy_operands()
+  merge_cp->set_pool_holder(scratch_class());
   bool result = merge_constant_pools(old_cp, scratch_cp, &merge_cp,
                   &merge_cp_length, THREAD);
+  merge_cp->set_pool_holder(NULL);
+
   if (!result) {
     // The merge can fail due to memory allocation failure or due
     // to robustness checks.
@@ -2416,13 +2386,14 @@
   assert(version != 0, "sanity check");
   smaller_cp->set_version(version);
 
+  // attach klass to new constant pool
+  // reference to the cp holder is needed for copy_operands()
+  smaller_cp->set_pool_holder(scratch_class());
+
   scratch_cp->copy_cp_to(1, scratch_cp_length - 1, smaller_cp, 1, THREAD);
   scratch_cp = smaller_cp;
 
   // attach new constant pool to klass
-  scratch_cp->set_pool_holder(scratch_class());
-
-  // attach klass to new constant pool
   scratch_class->set_constants(scratch_cp());
 
   int i;  // for portability
@@ -3140,11 +3111,9 @@
   Klass* the_class_oop = java_lang_Class::as_Klass(the_class_mirror);
   instanceKlassHandle the_class = instanceKlassHandle(THREAD, the_class_oop);
 
-#ifndef JVMTI_KERNEL
   // Remove all breakpoints in methods of this class
   JvmtiBreakpoints& jvmti_breakpoints = JvmtiCurrentBreakpoints::get_jvmti_breakpoints();
   jvmti_breakpoints.clearall_in_class_at_safepoint(the_class_oop);
-#endif // !JVMTI_KERNEL
 
   if (the_class_oop == Universe::reflect_invoke_cache()->klass()) {
     // We are redefining java.lang.reflect.Method. Method.invoke() is
--- a/src/share/vm/prims/jvmtiRedefineClasses.hpp	Fri Jan 25 03:03:23 2013 -0800
+++ b/src/share/vm/prims/jvmtiRedefineClasses.hpp	Sun Jan 27 21:58:34 2013 -0500
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -487,17 +487,4 @@
   // and redefine implementation
   static bool is_modifiable_class(oop klass_mirror);
 };
-
-
-// Helper class to mark and unmark metadata used on the stack as either handles
-// or executing methods, so that it can't be deleted during class redefinition
-// and class unloading.
-class MetadataOnStackMark : public StackObj {
-  NOT_PRODUCT(static bool _is_active;)
- public:
-  MetadataOnStackMark() NOT_JVMTI_RETURN;
-  ~MetadataOnStackMark() NOT_JVMTI_RETURN;
-  static void record(Metadata* m) NOT_JVMTI_RETURN;
-};
-
 #endif // SHARE_VM_PRIMS_JVMTIREDEFINECLASSES_HPP
--- a/src/share/vm/prims/jvmtiTagMap.hpp	Fri Jan 25 03:03:23 2013 -0800
+++ b/src/share/vm/prims/jvmtiTagMap.hpp	Sun Jan 27 21:58:34 2013 -0500
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -27,14 +27,12 @@
 #ifndef SHARE_VM_PRIMS_JVMTITAGMAP_HPP
 #define SHARE_VM_PRIMS_JVMTITAGMAP_HPP
 
-#ifndef JVMTI_KERNEL
 #include "gc_interface/collectedHeap.hpp"
 #include "jvmtifiles/jvmti.h"
 #include "jvmtifiles/jvmtiEnv.hpp"
 #include "memory/allocation.hpp"
 #include "memory/genCollectedHeap.hpp"
 #include "memory/universe.hpp"
-#endif
 
 // forward references
 class JvmtiTagHashmap;
--- a/src/share/vm/runtime/arguments.cpp	Fri Jan 25 03:03:23 2013 -0800
+++ b/src/share/vm/runtime/arguments.cpp	Sun Jan 27 21:58:34 2013 -0500
@@ -2472,10 +2472,7 @@
 
     // -Xshare:dump
     } else if (match_option(option, "-Xshare:dump", &tail)) {
-#if defined(KERNEL)
-      vm_exit_during_initialization(
-          "Dumping a shared archive is not supported on the Kernel JVM.", NULL);
-#elif !INCLUDE_CDS
+#if !INCLUDE_CDS
       vm_exit_during_initialization(
           "Dumping a shared archive is not supported in this VM.", NULL);
 #else
@@ -3463,36 +3460,6 @@
   PropertyList_add(plist, k, v);
 }
 
-#ifdef KERNEL
-char *Arguments::get_kernel_properties() {
-  // Find properties starting with kernel and append them to string
-  // We need to find out how long they are first because the URL's that they
-  // might point to could get long.
-  int length = 0;
-  SystemProperty* prop;
-  for (prop = _system_properties; prop != NULL; prop = prop->next()) {
-    if (strncmp(prop->key(), "kernel.", 7 ) == 0) {
-      length += (strlen(prop->key()) + strlen(prop->value()) + 5);  // "-D ="
-    }
-  }
-  // Add one for null terminator.
-  char *props = AllocateHeap(length + 1, mtInternal);
-  if (length != 0) {
-    int pos = 0;
-    for (prop = _system_properties; prop != NULL; prop = prop->next()) {
-      if (strncmp(prop->key(), "kernel.", 7 ) == 0) {
-        jio_snprintf(&props[pos], length-pos,
-                     "-D%s=%s ", prop->key(), prop->value());
-        pos = strlen(props);
-      }
-    }
-  }
-  // null terminate props in case of null
-  props[length] = '\0';
-  return props;
-}
-#endif // KERNEL
-
 // Copies src into buf, replacing "%%" with "%" and "%p" with pid
 // Returns true if all of the source pointed by src has been copied over to
 // the destination buffer pointed by buf. Otherwise, returns false.
--- a/src/share/vm/runtime/arguments.hpp	Fri Jan 25 03:03:23 2013 -0800
+++ b/src/share/vm/runtime/arguments.hpp	Sun Jan 27 21:58:34 2013 -0500
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -540,11 +540,6 @@
 
   // Utility: copies src into buf, replacing "%%" with "%" and "%p" with pid.
   static bool copy_expand_pid(const char* src, size_t srclen, char* buf, size_t buflen);
-
-#ifdef KERNEL
-  // For java kernel vm, return property string for kernel properties.
-  static char *get_kernel_properties();
-#endif // KERNEL
 };
 
 #endif // SHARE_VM_RUNTIME_ARGUMENTS_HPP
--- a/src/share/vm/runtime/thread.cpp	Fri Jan 25 03:03:23 2013 -0800
+++ b/src/share/vm/runtime/thread.cpp	Sun Jan 27 21:58:34 2013 -0500
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -3739,28 +3739,6 @@
                              name)) {
         library = os::dll_load(buffer, ebuf, sizeof ebuf);
       }
-#ifdef KERNEL
-      // Download instrument dll
-      if (library == NULL && strcmp(name, "instrument") == 0) {
-        char *props = Arguments::get_kernel_properties();
-        char *home  = Arguments::get_java_home();
-        const char *fmt   = "%s/bin/java %s -Dkernel.background.download=false"
-                      " sun.jkernel.DownloadManager -download client_jvm";
-        size_t length = strlen(props) + strlen(home) + strlen(fmt) + 1;
-        char *cmd = NEW_C_HEAP_ARRAY(char, length, mtThread);
-        jio_snprintf(cmd, length, fmt, home, props);
-        int status = os::fork_and_exec(cmd);
-        FreeHeap(props);
-        if (status == -1) {
-          warning(cmd);
-          vm_exit_during_initialization("fork_and_exec failed: %s",
-                                         strerror(errno));
-        }
-        FREE_C_HEAP_ARRAY(char, cmd, mtThread);
-        // when this comes back the instrument.dll should be where it belongs.
-        library = os::dll_load(buffer, ebuf, sizeof ebuf);
-      }
-#endif // KERNEL
       if (library == NULL) { // Try the local directory
         char ns[1] = {0};
         if (os::dll_build_name(buffer, sizeof(buffer), ns, name)) {
--- a/src/share/vm/runtime/vmStructs.hpp	Fri Jan 25 03:03:23 2013 -0800
+++ b/src/share/vm/runtime/vmStructs.hpp	Sun Jan 27 21:58:34 2013 -0500
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,9 +25,7 @@
 #ifndef SHARE_VM_RUNTIME_VMSTRUCTS_HPP
 #define SHARE_VM_RUNTIME_VMSTRUCTS_HPP
 
-#ifndef VM_STRUCTS_KERNEL
 #include "utilities/debug.hpp"
-#endif
 #ifdef COMPILER1
 #include "c1/c1_Runtime1.hpp"
 #endif
--- a/src/share/vm/runtime/vm_version.cpp	Fri Jan 25 03:03:23 2013 -0800
+++ b/src/share/vm/runtime/vm_version.cpp	Sun Jan 27 21:58:34 2013 -0500
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -111,9 +111,6 @@
 #endif
 
 #ifndef VMTYPE
-  #ifdef KERNEL
-    #define VMTYPE "Kernel"
-  #else // KERNEL
   #ifdef TIERED
     #define VMTYPE "Server"
   #else // TIERED
@@ -128,7 +125,6 @@
                     COMPILER2_PRESENT("Server")
   #endif // ZERO
   #endif // TIERED
-  #endif // KERNEL
 #endif
 
 #ifndef HOTSPOT_VM_DISTRO
--- a/src/share/vm/services/attachListener.cpp	Fri Jan 25 03:03:23 2013 -0800
+++ b/src/share/vm/services/attachListener.cpp	Sun Jan 27 21:58:34 2013 -0500
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -170,7 +170,6 @@
   return JNI_OK;
 }
 
-#ifndef SERVICES_KERNEL   // Heap dumping not supported
 // Implementation of "dumpheap" command.
 // See also: HeapDumpDCmd class
 //
@@ -212,7 +211,6 @@
   }
   return JNI_OK;
 }
-#endif // SERVICES_KERNEL
 
 // Implementation of "inspectheap" command
 // See also: ClassHistogramDCmd class
@@ -382,9 +380,7 @@
 static AttachOperationFunctionInfo funcs[] = {
   { "agentProperties",  get_agent_properties },
   { "datadump",         data_dump },
-#ifndef SERVICES_KERNEL
   { "dumpheap",         dump_heap },
-#endif  // SERVICES_KERNEL
   { "load",             JvmtiExport::load_agent_library },
   { "properties",       get_system_properties },
   { "threaddump",       thread_dump },
--- a/src/share/vm/services/attachListener.hpp	Fri Jan 25 03:03:23 2013 -0800
+++ b/src/share/vm/services/attachListener.hpp	Sun Jan 27 21:58:34 2013 -0500
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -38,8 +38,6 @@
 // complets the result value and any result data is returned to the client
 // tool.
 
-#ifndef SERVICES_KERNEL
-
 class AttachOperation;
 
 typedef jint (*AttachOperationFunction)(AttachOperation* op, outputStream* out);
@@ -48,7 +46,6 @@
   const char* name;
   AttachOperationFunction func;
 };
-#endif // SERVICES_KERNEL
 
 class AttachListener: AllStatic {
  public: