diff --git a/make/bsd/makefiles/buildtree.make b/make/bsd/makefiles/buildtree.make
index 960a382bb1178d6e37821137ad11cec219e86c4d..ccc812775c1dc93333be1bcdf27f05867bd156ee 100644
--- a/make/bsd/makefiles/buildtree.make
+++ b/make/bsd/makefiles/buildtree.make
@@ -58,6 +58,7 @@
 # needs to be set here since this Makefile doesn't include defs.make
 OS_VENDOR:=$(shell uname -s)
 
+-include $(SPEC)
 include $(GAMMADIR)/make/scm.make
 include $(GAMMADIR)/make/altsrc.make
 
@@ -247,6 +248,8 @@ flags.make: $(BUILDTREE_MAKE) ../shared_dirs.lst
 	    echo "HOTSPOT_EXTRA_SYSDEFS\$$(HOTSPOT_EXTRA_SYSDEFS) = $(HOTSPOT_EXTRA_SYSDEFS)" && \
 	    echo "SYSDEFS += \$$(HOTSPOT_EXTRA_SYSDEFS)"; \
 	echo; \
+	[ -n "$(SPEC)" ] && \
+	    echo "include $(SPEC)"; \
 	echo "include \$$(GAMMADIR)/make/$(OS_FAMILY)/makefiles/$(VARIANT).make"; \
 	echo "include \$$(GAMMADIR)/make/$(OS_FAMILY)/makefiles/$(COMPILER).make"; \
 	) > $@
diff --git a/make/bsd/makefiles/gcc.make b/make/bsd/makefiles/gcc.make
index d7a6422eb4039e41a120044eafcf616e55c159c8..a73397bf0f77931d77500cb1e0e51133f3233315 100644
--- a/make/bsd/makefiles/gcc.make
+++ b/make/bsd/makefiles/gcc.make
@@ -27,53 +27,57 @@ OS_VENDOR = $(shell uname -s)
 #------------------------------------------------------------------------
 # CC, CXX & AS
 
-# When cross-compiling the ALT_COMPILER_PATH points
-# to the cross-compilation toolset
-ifdef CROSS_COMPILE_ARCH
- CXX = $(ALT_COMPILER_PATH)/g++
- CC  = $(ALT_COMPILER_PATH)/gcc
- HOSTCXX = g++
- HOSTCC  = gcc
-else ifneq ($(OS_VENDOR), Darwin)
- CXX = g++
- CC  = gcc
- HOSTCXX = $(CXX)
- HOSTCC  = $(CC)
-endif
-
-# i486 hotspot requires -mstackrealign on Darwin.
-# llvm-gcc supports this in Xcode 3.2.6 and 4.0.
-# gcc-4.0 supports this on earlier versions.
-# Prefer llvm-gcc where available.
-ifeq ($(OS_VENDOR), Darwin)
-  ifeq ($(origin CXX), default)
-   CXX = llvm-g++
-  endif
-  ifeq ($(origin CC), default)
-   CC  = llvm-gcc
+# If a SPEC is not set already, then use these defaults.
+ifeq ($(SPEC),)
+  # When cross-compiling the ALT_COMPILER_PATH points
+  # to the cross-compilation toolset
+  ifdef CROSS_COMPILE_ARCH
+    CXX = $(ALT_COMPILER_PATH)/g++
+    CC  = $(ALT_COMPILER_PATH)/gcc
+    HOSTCXX = g++
+    HOSTCC  = gcc
+  else ifneq ($(OS_VENDOR), Darwin)
+    CXX = g++
+    CC  = gcc
+    HOSTCXX = $(CXX)
+    HOSTCC  = $(CC)
   endif
 
-  ifeq ($(ARCH), i486)
-  LLVM_SUPPORTS_STACKREALIGN := $(shell \
-   [ "0"`llvm-gcc -v 2>&1 | grep LLVM | sed -E "s/.*LLVM build ([0-9]+).*/\1/"` -gt "2333" ] \
-   && echo true || echo false)
-
-  ifeq ($(LLVM_SUPPORTS_STACKREALIGN), true)
-    CXX32 ?= llvm-g++
-    CC32  ?= llvm-gcc
-  else
-    CXX32 ?= g++-4.0
-    CC32  ?= gcc-4.0
-  endif
-  CXX = $(CXX32)
-  CC  = $(CC32)
+  # i486 hotspot requires -mstackrealign on Darwin.
+  # llvm-gcc supports this in Xcode 3.2.6 and 4.0.
+  # gcc-4.0 supports this on earlier versions.
+  # Prefer llvm-gcc where available.
+  ifeq ($(OS_VENDOR), Darwin)
+    ifeq ($(origin CXX), default)
+      CXX = llvm-g++
+    endif
+    ifeq ($(origin CC), default)
+      CC  = llvm-gcc
+    endif
+
+    ifeq ($(ARCH), i486)
+      LLVM_SUPPORTS_STACKREALIGN := $(shell \
+       [ "0"`llvm-gcc -v 2>&1 | grep LLVM | sed -E "s/.*LLVM build ([0-9]+).*/\1/"` -gt "2333" ] \
+       && echo true || echo false)
+
+      ifeq ($(LLVM_SUPPORTS_STACKREALIGN), true)
+        CXX32 ?= llvm-g++
+        CC32  ?= llvm-gcc
+      else
+        CXX32 ?= g++-4.0
+        CC32  ?= gcc-4.0
+      endif
+      CXX = $(CXX32)
+      CC  = $(CC32)
+    endif
+
+    HOSTCXX = $(CXX)
+    HOSTCC  = $(CC)
   endif
 
-  HOSTCXX = $(CXX)
-  HOSTCC  = $(CC)
+  AS   = $(CC) -c -x assembler-with-cpp
 endif
 
-AS   = $(CC) -c -x assembler-with-cpp
 
 # -dumpversion in gcc-2.91 shows "egcs-2.91.66". In later version, it only
 # prints the numbers (e.g. "2.95", "3.2.1")
diff --git a/make/bsd/makefiles/sparcWorks.make b/make/bsd/makefiles/sparcWorks.make
index 81de9c33baa98f10e0c28311a6f6e723767ca5ff..c87f504409608b02d914dec3e23e941cae7a14ab 100644
--- a/make/bsd/makefiles/sparcWorks.make
+++ b/make/bsd/makefiles/sparcWorks.make
@@ -25,12 +25,15 @@
 #------------------------------------------------------------------------
 # CC, CXX & AS
 
-CXX = CC
-CC  = cc
-AS  = $(CC) -c
-
-HOSTCXX = $(CXX)
-HOSTCC  = $(CC)
+# If a SPEC is not set already, then use these defaults.
+ifeq ($(SPEC),)
+  CXX = CC
+  CC  = cc
+  AS  = $(CC) -c
+
+  HOSTCXX = $(CXX)
+  HOSTCC  = $(CC)
+endif
 
 ARCHFLAG = $(ARCHFLAG/$(BUILDARCH))
 ARCHFLAG/i486    = -m32
diff --git a/make/defs.make b/make/defs.make
index a0aa0e5c8598f09ddae55fe15b5d03272ac85725..ac7268a96c5ef670247242f22a42b419de1f8217 100644
--- a/make/defs.make
+++ b/make/defs.make
@@ -24,6 +24,11 @@
 
 # The common definitions for hotspot builds.
 
+# Optionally include SPEC file generated by configure.
+ifneq ($(SPEC),)
+  include $(SPEC)
+endif
+
 # Default to verbose build logs (show all compile lines):
 MAKE_VERBOSE=y
 
diff --git a/make/linux/makefiles/buildtree.make b/make/linux/makefiles/buildtree.make
index 5bc29368e5e1afad788ae8c0c5a9507877f416fb..6af5490da7ee8f763007e02d01c775e11b27dc33 100644
--- a/make/linux/makefiles/buildtree.make
+++ b/make/linux/makefiles/buildtree.make
@@ -55,6 +55,7 @@
 # The makefiles are split this way so that "make foo" will run faster by not
 # having to read the dependency files for the vm.
 
+-include $(SPEC)
 include $(GAMMADIR)/make/scm.make
 include $(GAMMADIR)/make/altsrc.make
 
@@ -244,6 +245,8 @@ flags.make: $(BUILDTREE_MAKE) ../shared_dirs.lst
 	    echo "HOTSPOT_EXTRA_SYSDEFS\$$(HOTSPOT_EXTRA_SYSDEFS) = $(HOTSPOT_EXTRA_SYSDEFS)" && \
 	    echo "SYSDEFS += \$$(HOTSPOT_EXTRA_SYSDEFS)"; \
 	echo; \
+	[ -n "$(SPEC)" ] && \
+	    echo "include $(SPEC)"; \
 	echo "include \$$(GAMMADIR)/make/$(OS_FAMILY)/makefiles/$(VARIANT).make"; \
 	echo "include \$$(GAMMADIR)/make/$(OS_FAMILY)/makefiles/$(COMPILER).make"; \
 	) > $@
diff --git a/make/linux/makefiles/gcc.make b/make/linux/makefiles/gcc.make
index 0188ed772d511141a20b4d8cdc1360f5a0a4c282..d918ef77bdd66ce79129fc4449427155e5d615fc 100644
--- a/make/linux/makefiles/gcc.make
+++ b/make/linux/makefiles/gcc.make
@@ -25,21 +25,26 @@
 #------------------------------------------------------------------------
 # CC, CXX & AS
 
-# When cross-compiling the ALT_COMPILER_PATH points
-# to the cross-compilation toolset
-ifdef CROSS_COMPILE_ARCH
-CXX = $(ALT_COMPILER_PATH)/g++
-CC  = $(ALT_COMPILER_PATH)/gcc
-HOSTCXX = g++
-HOSTCC  = gcc
-else
-CXX = g++
-CC  = gcc
-HOSTCXX = $(CXX)
-HOSTCC  = $(CC)
+# If a SPEC is not set already, then use these defaults.
+ifeq ($(SPEC),)
+  # When cross-compiling the ALT_COMPILER_PATH points
+  # to the cross-compilation toolset
+  ifdef CROSS_COMPILE_ARCH
+    CXX = $(ALT_COMPILER_PATH)/g++
+    CC  = $(ALT_COMPILER_PATH)/gcc
+    HOSTCXX = g++
+    HOSTCC  = gcc
+    STRIP = $(ALT_COMPILER_PATH)/strip
+  else
+    CXX = g++
+    CC  = gcc
+    HOSTCXX = $(CXX)
+    HOSTCC  = $(CC)
+    STRIP = strip
+  endif
+  AS  = $(CC) -c
 endif
 
-AS  = $(CC) -c
 
 # -dumpversion in gcc-2.91 shows "egcs-2.91.66". In later version, it only
 # prints the numbers (e.g. "2.95", "3.2.1")
@@ -261,9 +266,3 @@ endif
 ifdef MINIMIZE_RAM_USAGE
 CFLAGS += -DMINIMIZE_RAM_USAGE
 endif
-
-ifdef CROSS_COMPILE_ARCH
-  STRIP = $(ALT_COMPILER_PATH)/strip
-else
-  STRIP = strip
-endif
diff --git a/make/linux/makefiles/sparcWorks.make b/make/linux/makefiles/sparcWorks.make
index 81de9c33baa98f10e0c28311a6f6e723767ca5ff..c87f504409608b02d914dec3e23e941cae7a14ab 100644
--- a/make/linux/makefiles/sparcWorks.make
+++ b/make/linux/makefiles/sparcWorks.make
@@ -25,12 +25,15 @@
 #------------------------------------------------------------------------
 # CC, CXX & AS
 
-CXX = CC
-CC  = cc
-AS  = $(CC) -c
-
-HOSTCXX = $(CXX)
-HOSTCC  = $(CC)
+# If a SPEC is not set already, then use these defaults.
+ifeq ($(SPEC),)
+  CXX = CC
+  CC  = cc
+  AS  = $(CC) -c
+
+  HOSTCXX = $(CXX)
+  HOSTCC  = $(CC)
+endif
 
 ARCHFLAG = $(ARCHFLAG/$(BUILDARCH))
 ARCHFLAG/i486    = -m32
diff --git a/make/solaris/makefiles/buildtree.make b/make/solaris/makefiles/buildtree.make
index 129a4849431be6b66d036e678069bd555d947eee..901100fb70820871a584bfe6a2ab20d890d9af86 100644
--- a/make/solaris/makefiles/buildtree.make
+++ b/make/solaris/makefiles/buildtree.make
@@ -55,6 +55,7 @@
 # The makefiles are split this way so that "make foo" will run faster by not
 # having to read the dependency files for the vm.
 
+-include $(SPEC)
 include $(GAMMADIR)/make/scm.make
 include $(GAMMADIR)/make/altsrc.make
 
@@ -237,6 +238,8 @@ flags.make: $(BUILDTREE_MAKE) ../shared_dirs.lst
 	    echo "HOTSPOT_EXTRA_SYSDEFS\$$(HOTSPOT_EXTRA_SYSDEFS) = $(HOTSPOT_EXTRA_SYSDEFS)" && \
 	    echo "SYSDEFS += \$$(HOTSPOT_EXTRA_SYSDEFS)"; \
 	echo; \
+	[ -n "$(SPEC)" ] && \
+	    echo "include $(SPEC)"; \
 	echo "include \$$(GAMMADIR)/make/$(OS_FAMILY)/makefiles/$(VARIANT).make"; \
 	echo "include \$$(GAMMADIR)/make/$(OS_FAMILY)/makefiles/$(COMPILER).make"; \
 	) > $@
diff --git a/make/solaris/makefiles/gcc.make b/make/solaris/makefiles/gcc.make
index d4c54abd284cb6739eed28e886bede2a19022fe0..4d0db9e7a7a4e13ac6279cbaa48721f8db1ebf31 100644
--- a/make/solaris/makefiles/gcc.make
+++ b/make/solaris/makefiles/gcc.make
@@ -25,9 +25,13 @@
 #------------------------------------------------------------------------
 # CC, CXX & AS
 
-CXX = g++
-CC  = gcc
-AS  = $(CC) -c
+# If a SPEC is not set already, then use these defaults.
+ifeq ($(SPEC),)
+  CXX = g++
+  CC  = gcc
+  AS  = $(CC) -c
+  MCS = /usr/ccs/bin/mcs
+endif
 
 Compiler = gcc
 
@@ -193,5 +197,3 @@ DEBUG_CFLAGS += $(DEBUG_CFLAGS/$(BUILDARCH))
 ifeq ($(DEBUG_CFLAGS/$(BUILDARCH)),) 
 DEBUG_CFLAGS += -gstabs 
 endif 
-
-MCS = /usr/ccs/bin/mcs
diff --git a/make/solaris/makefiles/sparcWorks.make b/make/solaris/makefiles/sparcWorks.make
index 8baf3c1d42794e8c658ba5e243758f0763406b14..8ef47c563176b519b43ca1a667f4e0a0753f32cc 100644
--- a/make/solaris/makefiles/sparcWorks.make
+++ b/make/solaris/makefiles/sparcWorks.make
@@ -22,18 +22,22 @@
 #  
 #
 
-# Compiler-specific flags for sparcworks.
+# If a SPEC is not set already, then use these defaults.
+ifeq ($(SPEC),)
+  # Compiler-specific flags for sparcworks.
+  CC	= cc
+  CXX	= CC
 
-# tell make which C and C++ compilers to use
-CC	= cc
-CXX	= CC
+  # Note that this 'as' is an older version of the Sun Studio 'fbe', and will
+  #   use the older style options. The 'fbe' options will match 'cc' and 'CC'.
+  AS	= /usr/ccs/bin/as
 
-# Note that this 'as' is an older version of the Sun Studio 'fbe', and will
-#   use the older style options. The 'fbe' options will match 'cc' and 'CC'.
-AS	= /usr/ccs/bin/as
+  NM    = /usr/ccs/bin/nm
+  NAWK  = /bin/nawk
 
-NM	= /usr/ccs/bin/nm
-NAWK    = /bin/nawk
+  MCS	= /usr/ccs/bin/mcs
+  STRIP	= /usr/ccs/bin/strip
+endif
 
 REORDER_FLAG = -xF
 
@@ -557,9 +561,6 @@ else
 #LINK_INTO = LIBJVM
 endif
 
-MCS	= /usr/ccs/bin/mcs
-STRIP	= /usr/ccs/bin/strip
-
 # Solaris platforms collect lots of redundant file-ident lines,
 # to the point of wasting a significant percentage of file space.
 # (The text is stored in ELF .comment sections, contributed by
diff --git a/make/windows/build.make b/make/windows/build.make
index 8ec004d4903595312bb815c303481993661f6971..fff8a8530c7c027ac844d09fc81ed093c1cc7c80 100644
--- a/make/windows/build.make
+++ b/make/windows/build.make
@@ -297,6 +297,10 @@ $(variantDir)\local.make: checks
 	@ echo BUILDARCH=$(BUILDARCH)         			>> $@
 	@ echo Platform_arch=$(Platform_arch)        		>> $@
 	@ echo Platform_arch_model=$(Platform_arch_model)	>> $@
+	@ echo CXX=$(CXX)					>> $@
+	@ echo LD=$(LD)						>> $@
+	@ echo MT=$(MT)						>> $@
+	@ echo RC=$(RC)						>> $@
 	@ sh $(WorkSpace)/make/windows/get_msc_ver.sh		>> $@
 
 checks: checkVariant checkWorkSpace checkSA
diff --git a/make/windows/makefiles/compile.make b/make/windows/makefiles/compile.make
index 1c9855c15dcb7ad4e04fb2bd41ce9befc08b3698..e1848a4ac51448b2f4e5e32b79293e4775d17fa1 100644
--- a/make/windows/makefiles/compile.make
+++ b/make/windows/makefiles/compile.make
@@ -23,7 +23,9 @@
 #
 
 # Generic compiler settings
+!if "x$(CXX)" == "x"
 CXX=cl.exe
+!endif
 
 # CXX Flags: (these vary slightly from VC6->VS2003->VS2005 compilers)
 #   /nologo   Supress copyright message at every cl.exe startup
@@ -183,8 +185,10 @@ BUFFEROVERFLOWLIB = bufferoverflowU.lib
 LD_FLAGS = /manifest $(LD_FLAGS) $(BUFFEROVERFLOWLIB)
 # Manifest Tool - used in VS2005 and later to adjust manifests stored
 # as resources inside build artifacts.
+!if "x$(MT)" == "x"
 MT=mt.exe
 !endif
+!endif
 
 !if "$(COMPILER_NAME)" == "VS2008"
 PRODUCT_OPT_OPTION   = /O2 /Oy-
@@ -194,8 +198,10 @@ GX_OPTION = /EHsc
 LD_FLAGS = /manifest $(LD_FLAGS)
 # Manifest Tool - used in VS2005 and later to adjust manifests stored
 # as resources inside build artifacts.
+!if "x$(MT)" == "x"
 MT=mt.exe
 !endif
+!endif
 
 !if "$(COMPILER_NAME)" == "VS2010"
 PRODUCT_OPT_OPTION   = /O2 /Oy-
@@ -205,7 +211,9 @@ GX_OPTION = /EHsc
 LD_FLAGS = /manifest $(LD_FLAGS)
 # Manifest Tool - used in VS2005 and later to adjust manifests stored
 # as resources inside build artifacts.
+!if "x$(MT)" == "x"
 MT=mt.exe
+!endif
 !if "$(BUILDARCH)" == "i486"
 LD_FLAGS = /SAFESEH $(LD_FLAGS)
 !endif
@@ -225,7 +233,9 @@ FASTDEBUG_OPT_OPTION = $(DEBUG_OPT_OPTION)
 !endif
 
 # Generic linker settings
+!if "x$(LD)" == "x"
 LD=link.exe
+!endif
 LD_FLAGS= $(LD_FLAGS) kernel32.lib user32.lib gdi32.lib winspool.lib \
  comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib \
  uuid.lib Wsock32.lib winmm.lib /nologo /machine:$(MACHINE) /opt:REF \
@@ -237,7 +247,9 @@ LD_FLAGS= $(LD_FLAGS) psapi.lib
 !endif
 
 # Resource compiler settings
+!if "x$(RC)" == "x"
 RC=rc.exe
+!endif
 RC_FLAGS=/D "HS_VER=$(HS_VER)" \
 	 /D "HS_DOTVER=$(HS_DOTVER)" \
 	 /D "HS_BUILD_ID=$(HS_BUILD_ID)" \
diff --git a/make/windows/makefiles/defs.make b/make/windows/makefiles/defs.make
index c1be7d2c86365c7844b57022231a00dadd15ef86..993799e37b0d2cd7c51f5eef70c7c1129a3388a8 100644
--- a/make/windows/makefiles/defs.make
+++ b/make/windows/makefiles/defs.make
@@ -202,3 +202,19 @@ ifeq ($(BUILD_WIN_SA), 1)
   # Must pass this down to nmake.
   MAKE_ARGS += BUILD_WIN_SA=1
 endif
+
+# Propagate compiler and tools paths from configure to nmake. 
+# Need to make sure they contain \\ and not /.
+ifneq ($(SPEC),)
+  ifeq ($(USING_CYGWIN), true)
+    MAKE_ARGS += CXX="$(subst /,\\,$(shell /bin/cygpath -s -m -a $(CXX)))"
+    MAKE_ARGS += LD="$(subst /,\\,$(shell /bin/cygpath -s -m -a $(LD)))"
+    MAKE_ARGS += RC="$(subst /,\\,$(shell /bin/cygpath -s -m -a $(RC)))"
+    MAKE_ARGS += MT="$(subst /,\\,$(shell /bin/cygpath -s -m -a $(MT)))"
+  else
+    MAKE_ARGS += CXX="$(subst /,\\,$(CXX))"
+    MAKE_ARGS += LD="$(subst /,\\,$(LD))"
+    MAKE_ARGS += RC="$(subst /,\\,$(RC))"
+    MAKE_ARGS += MT="$(subst /,\\,$(MT))"
+  endif
+endif
diff --git a/src/share/vm/classfile/vmSymbols.hpp b/src/share/vm/classfile/vmSymbols.hpp
index d6ed1def52c816051219f9e478f12445a0fee69a..92c06342dadbba2e9a55ff917aa578d17c702554 100644
--- a/src/share/vm/classfile/vmSymbols.hpp
+++ b/src/share/vm/classfile/vmSymbols.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2012, 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
@@ -509,6 +509,9 @@
   template(clear_name,                                 "clear")                                                   \
   template(trigger_method_signature,                   "(ILjava/lang/management/MemoryUsage;)V")                                                 \
   template(startAgent_name,                            "startAgent")                                              \
+  template(startRemoteAgent_name,                      "startRemoteManagementAgent")                              \
+  template(startLocalAgent_name,                       "startLocalManagementAgent")                               \
+  template(stopRemoteAgent_name,                       "stopRemoteManagementAgent")                               \
   template(java_lang_management_ThreadInfo_constructor_signature, "(Ljava/lang/Thread;ILjava/lang/Object;Ljava/lang/Thread;JJJJ[Ljava/lang/StackTraceElement;)V") \
   template(java_lang_management_ThreadInfo_with_locks_constructor_signature, "(Ljava/lang/Thread;ILjava/lang/Object;Ljava/lang/Thread;JJJJ[Ljava/lang/StackTraceElement;[Ljava/lang/Object;[I[Ljava/lang/Object;)V") \
   template(long_long_long_long_void_signature,         "(JJJJ)V")                                                 \
diff --git a/src/share/vm/oops/cpCacheOop.cpp b/src/share/vm/oops/cpCacheOop.cpp
index 678bc13272e5284e22a587bfb26b72f695345372..8ebc9967899ed6785b1b3eea0f1089d7fc015224 100644
--- a/src/share/vm/oops/cpCacheOop.cpp
+++ b/src/share/vm/oops/cpCacheOop.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2012, 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
@@ -504,17 +504,17 @@ bool ConstantPoolCacheEntry::is_interesting_method_entry(klassOop k) {
 
 void ConstantPoolCacheEntry::print(outputStream* st, int index) const {
   // print separator
-  if (index == 0) tty->print_cr("                 -------------");
+  if (index == 0) st->print_cr("                 -------------");
   // print entry
-  tty->print("%3d  ("PTR_FORMAT")  ", index, (intptr_t)this);
+  st->print("%3d  ("PTR_FORMAT")  ", index, (intptr_t)this);
   if (is_secondary_entry())
-    tty->print_cr("[%5d|secondary]", main_entry_index());
+    st->print_cr("[%5d|secondary]", main_entry_index());
   else
-    tty->print_cr("[%02x|%02x|%5d]", bytecode_2(), bytecode_1(), constant_pool_index());
-  tty->print_cr("                 [   "PTR_FORMAT"]", (intptr_t)(oop)_f1);
-  tty->print_cr("                 [   "PTR_FORMAT"]", (intptr_t)_f2);
-  tty->print_cr("                 [   "PTR_FORMAT"]", (intptr_t)_flags);
-  tty->print_cr("                 -------------");
+    st->print_cr("[%02x|%02x|%5d]", bytecode_2(), bytecode_1(), constant_pool_index());
+  st->print_cr("                 [   "PTR_FORMAT"]", (intptr_t)(oop)_f1);
+  st->print_cr("                 [   "PTR_FORMAT"]", (intptr_t)_f2);
+  st->print_cr("                 [   "PTR_FORMAT"]", (intptr_t)_flags);
+  st->print_cr("                 -------------");
 }
 
 void ConstantPoolCacheEntry::verify(outputStream* st) const {
diff --git a/src/share/vm/services/diagnosticCommand.cpp b/src/share/vm/services/diagnosticCommand.cpp
index 78f4c223988c8d7314e6493173e7ec7f44a54772..107b1abe510b675cdb3c292533de6c5ffd2948c9 100644
--- a/src/share/vm/services/diagnosticCommand.cpp
+++ b/src/share/vm/services/diagnosticCommand.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2012, 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
@@ -49,6 +49,11 @@ void DCmdRegistrant::register_dcmds(){
   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassHistogramDCmd>(true, false));
   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ThreadDumpDCmd>(true, false));
 
+  //Enhanced JMX Agent Support
+  DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStartRemoteDCmd>(true,false));
+  DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStartLocalDCmd>(true,false));
+  DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStopRemoteDCmd>(true,false));
+
 }
 
 #ifndef HAVE_EXTRA_DCMD
@@ -344,3 +349,185 @@ int ThreadDumpDCmd::num_arguments() {
     return 0;
   }
 }
+
+// Enhanced JMX Agent support
+
+JMXStartRemoteDCmd::JMXStartRemoteDCmd(outputStream *output, bool heap_allocated) :
+
+  DCmdWithParser(output, heap_allocated),
+
+  _config_file
+  ("config.file",
+   "set com.sun.management.config.file", "STRING", false),
+
+  _jmxremote_port
+  ("jmxremote.port",
+   "set com.sun.management.jmxremote.port", "STRING", false),
+
+  _jmxremote_rmi_port
+  ("jmxremote.rmi.port",
+   "set com.sun.management.jmxremote.rmi.port", "STRING", false),
+
+  _jmxremote_ssl
+  ("jmxremote.ssl",
+   "set com.sun.management.jmxremote.ssl", "STRING", false),
+
+  _jmxremote_registry_ssl
+  ("jmxremote.registry.ssl",
+   "set com.sun.management.jmxremote.registry.ssl", "STRING", false),
+
+  _jmxremote_authenticate
+  ("jmxremote.authenticate",
+   "set com.sun.management.jmxremote.authenticate", "STRING", false),
+
+  _jmxremote_password_file
+  ("jmxremote.password.file",
+   "set com.sun.management.jmxremote.password.file", "STRING", false),
+
+  _jmxremote_access_file
+  ("jmxremote.access.file",
+   "set com.sun.management.jmxremote.access.file", "STRING", false),
+
+  _jmxremote_login_config
+  ("jmxremote.login.config",
+   "set com.sun.management.jmxremote.login.config", "STRING", false),
+
+  _jmxremote_ssl_enabled_cipher_suites
+  ("jmxremote.ssl.enabled.cipher.suites",
+   "set com.sun.management.jmxremote.ssl.enabled.cipher.suite", "STRING", false),
+
+  _jmxremote_ssl_enabled_protocols
+  ("jmxremote.ssl.enabled.protocols",
+   "set com.sun.management.jmxremote.ssl.enabled.protocols", "STRING", false),
+
+  _jmxremote_ssl_need_client_auth
+  ("jmxremote.ssl.need.client.auth",
+   "set com.sun.management.jmxremote.need.client.auth", "STRING", false),
+
+  _jmxremote_ssl_config_file
+  ("jmxremote.ssl.config.file",
+   "set com.sun.management.jmxremote.ssl_config_file", "STRING", false)
+
+  {
+    _dcmdparser.add_dcmd_option(&_config_file);
+    _dcmdparser.add_dcmd_option(&_jmxremote_port);
+    _dcmdparser.add_dcmd_option(&_jmxremote_rmi_port);
+    _dcmdparser.add_dcmd_option(&_jmxremote_ssl);
+    _dcmdparser.add_dcmd_option(&_jmxremote_registry_ssl);
+    _dcmdparser.add_dcmd_option(&_jmxremote_authenticate);
+    _dcmdparser.add_dcmd_option(&_jmxremote_password_file);
+    _dcmdparser.add_dcmd_option(&_jmxremote_access_file);
+    _dcmdparser.add_dcmd_option(&_jmxremote_login_config);
+    _dcmdparser.add_dcmd_option(&_jmxremote_ssl_enabled_cipher_suites);
+    _dcmdparser.add_dcmd_option(&_jmxremote_ssl_enabled_protocols);
+    _dcmdparser.add_dcmd_option(&_jmxremote_ssl_need_client_auth);
+    _dcmdparser.add_dcmd_option(&_jmxremote_ssl_config_file);
+}
+
+
+int JMXStartRemoteDCmd::num_arguments() {
+  ResourceMark rm;
+  JMXStartRemoteDCmd* dcmd = new JMXStartRemoteDCmd(NULL, false);
+  if (dcmd != NULL) {
+    DCmdMark mark(dcmd);
+    return dcmd->_dcmdparser.num_arguments();
+  } else {
+    return 0;
+  }
+}
+
+
+void JMXStartRemoteDCmd::execute(TRAPS) {
+    ResourceMark rm(THREAD);
+    HandleMark hm(THREAD);
+
+    // Load and initialize the sun.management.Agent class
+    // invoke startRemoteManagementAgent(string) method to start
+    // the remote management server.
+    // throw java.lang.NoSuchMethodError if the method doesn't exist
+
+    Handle loader = Handle(THREAD, SystemDictionary::java_system_loader());
+    klassOop k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK);
+    instanceKlassHandle ik (THREAD, k);
+
+    JavaValue result(T_VOID);
+
+    // Pass all command line arguments to java as key=value,...
+    // All checks are done on java side
+
+    int len = 0;
+    stringStream options;
+    char comma[2] = {0,0};
+
+    // Leave default values on Agent.class side and pass only
+    // agruments explicitly set by user. All arguments passed
+    // to jcmd override properties with the same name set by
+    // command line with -D or by managmenent.properties
+    // file.
+#define PUT_OPTION(a) \
+    if ( (a).is_set() ){ \
+        options.print("%scom.sun.management.%s=%s", comma, (a).name(), (a).value()); \
+        comma[0] = ','; \
+    }
+
+    PUT_OPTION(_config_file);
+    PUT_OPTION(_jmxremote_port);
+    PUT_OPTION(_jmxremote_rmi_port);
+    PUT_OPTION(_jmxremote_ssl);
+    PUT_OPTION(_jmxremote_registry_ssl);
+    PUT_OPTION(_jmxremote_authenticate);
+    PUT_OPTION(_jmxremote_password_file);
+    PUT_OPTION(_jmxremote_access_file);
+    PUT_OPTION(_jmxremote_login_config);
+    PUT_OPTION(_jmxremote_ssl_enabled_cipher_suites);
+    PUT_OPTION(_jmxremote_ssl_enabled_protocols);
+    PUT_OPTION(_jmxremote_ssl_need_client_auth);
+    PUT_OPTION(_jmxremote_ssl_config_file);
+
+#undef PUT_OPTION
+
+    Handle str = java_lang_String::create_from_str(options.as_string(), CHECK);
+    JavaCalls::call_static(&result, ik, vmSymbols::startRemoteAgent_name(), vmSymbols::string_void_signature(), str, CHECK);
+}
+
+JMXStartLocalDCmd::JMXStartLocalDCmd(outputStream *output, bool heap_allocated) :
+  DCmd(output, heap_allocated)
+{
+  // do nothing
+}
+
+void JMXStartLocalDCmd::execute(TRAPS) {
+    ResourceMark rm(THREAD);
+    HandleMark hm(THREAD);
+
+    // Load and initialize the sun.management.Agent class
+    // invoke startLocalManagementAgent(void) method to start
+    // the local management server
+    // throw java.lang.NoSuchMethodError if method doesn't exist
+
+    Handle loader = Handle(THREAD, SystemDictionary::java_system_loader());
+    klassOop k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK);
+    instanceKlassHandle ik (THREAD, k);
+
+    JavaValue result(T_VOID);
+    JavaCalls::call_static(&result, ik, vmSymbols::startLocalAgent_name(), vmSymbols::void_method_signature(), CHECK);
+}
+
+
+void JMXStopRemoteDCmd::execute(TRAPS) {
+    ResourceMark rm(THREAD);
+    HandleMark hm(THREAD);
+
+    // Load and initialize the sun.management.Agent class
+    // invoke stopRemoteManagementAgent method to stop the
+    // management server
+    // throw java.lang.NoSuchMethodError if method doesn't exist
+
+    Handle loader = Handle(THREAD, SystemDictionary::java_system_loader());
+    klassOop k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK);
+    instanceKlassHandle ik (THREAD, k);
+
+    JavaValue result(T_VOID);
+    JavaCalls::call_static(&result, ik, vmSymbols::stopRemoteAgent_name(), vmSymbols::void_method_signature(), CHECK);
+}
+
diff --git a/src/share/vm/services/diagnosticCommand.hpp b/src/share/vm/services/diagnosticCommand.hpp
index c226a4ad6e9dfe820fe2e1911612c73641353110..d5c5cd172aa8c2ff6e274d39fe8d5bfa549ba0a2 100644
--- a/src/share/vm/services/diagnosticCommand.hpp
+++ b/src/share/vm/services/diagnosticCommand.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2012, 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
@@ -214,4 +214,82 @@ public:
   virtual void execute(TRAPS);
 };
 
+// Enhanced JMX Agent support
+
+class JMXStartRemoteDCmd : public DCmdWithParser {
+
+  // Explicitly list all properties that could be
+  // passed to Agent.startRemoteManagementAgent()
+  // com.sun.management is omitted
+
+  DCmdArgument<char *> _config_file;
+  DCmdArgument<char *> _jmxremote_port;
+  DCmdArgument<char *> _jmxremote_rmi_port;
+  DCmdArgument<char *> _jmxremote_ssl;
+  DCmdArgument<char *> _jmxremote_registry_ssl;
+  DCmdArgument<char *> _jmxremote_authenticate;
+  DCmdArgument<char *> _jmxremote_password_file;
+  DCmdArgument<char *> _jmxremote_access_file;
+  DCmdArgument<char *> _jmxremote_login_config;
+  DCmdArgument<char *> _jmxremote_ssl_enabled_cipher_suites;
+  DCmdArgument<char *> _jmxremote_ssl_enabled_protocols;
+  DCmdArgument<char *> _jmxremote_ssl_need_client_auth;
+  DCmdArgument<char *> _jmxremote_ssl_config_file;
+
+public:
+  JMXStartRemoteDCmd(outputStream *output, bool heap_allocated);
+
+  static const char *name() {
+    return "ManagementAgent.start";
+  }
+
+  static const char *description() {
+    return "Start remote management agent.";
+  }
+
+  static int num_arguments();
+
+  virtual void execute(TRAPS);
+
+};
+
+class JMXStartLocalDCmd : public DCmd {
+
+  // Explicitly request start of local agent,
+  // it will not be started by start dcmd
+
+
+public:
+  JMXStartLocalDCmd(outputStream *output, bool heap_allocated);
+
+  static const char *name() {
+    return "ManagementAgent.start_local";
+  }
+
+  static const char *description() {
+    return "Start local management agent.";
+  }
+
+  virtual void execute(TRAPS);
+
+};
+
+class JMXStopRemoteDCmd : public DCmd {
+public:
+  JMXStopRemoteDCmd(outputStream *output, bool heap_allocated) :
+  DCmd(output, heap_allocated) {
+    // Do Nothing
+  }
+
+  static const char *name() {
+    return "ManagementAgent.stop";
+  }
+
+  static const char *description() {
+    return "Stop remote management agent.";
+  }
+
+  virtual void execute(TRAPS);
+};
+
 #endif // SHARE_VM_SERVICES_DIAGNOSTICCOMMAND_HPP