# HG changeset patch
# User never
# Date 1330708393 28800
# Node ID ce292d6c03852848f98350dccfea9480ec0a2fe1
# Parent  031df0387c0942eb97b0421f330a6f19f7a0d66f# Parent  205573af962caa6795104580cd372ecdeaf3fbf3
Merge

diff -r 031df0387c09 -r ce292d6c0385 .hgtags
--- a/.hgtags	Thu Mar 01 15:31:33 2012 -0800
+++ b/.hgtags	Fri Mar 02 09:13:13 2012 -0800
@@ -222,3 +222,7 @@
 d71e662fe03741b6de498ca2077220148405a978 hs23-b15
 fd3060701216a11c0df6dcd053c6fd7c2b17a42c jdk8-b26
 f92a171cf0071ca6c3fa8231d7d570377f8b2f4d hs23-b16
+f92a171cf0071ca6c3fa8231d7d570377f8b2f4d hs23-b16
+931e5f39e365a0d550d79148ff87a7f9e864d2e1 hs23-b16
+3b24e7e01d20ca590d0f86b1222bb7c3f1a2aa2d jdk8-b27
+975c4105f1e2ef1190a75b77124033f1fd4290b5 hs24-b01
diff -r 031df0387c09 -r ce292d6c0385 agent/src/share/classes/sun/jvm/hotspot/oops/ConstantPool.java
--- a/agent/src/share/classes/sun/jvm/hotspot/oops/ConstantPool.java	Thu Mar 01 15:31:33 2012 -0800
+++ b/agent/src/share/classes/sun/jvm/hotspot/oops/ConstantPool.java	Fri Mar 02 09:13:13 2012 -0800
@@ -648,7 +648,12 @@
   }
 
   public void printValueOn(PrintStream tty) {
-    tty.print("ConstantPool for " + getPoolHolder().getName().asString());
+    Oop holder = poolHolder.getValue(this);
+    if (holder instanceof Klass) {
+      tty.print("ConstantPool for " + ((Klass)holder).getName().asString());
+    } else {
+      tty.print("ConstantPool for partially loaded class");
+    }
   }
 
   public long getObjectSize() {
diff -r 031df0387c09 -r ce292d6c0385 make/bsd/makefiles/buildtree.make
--- a/make/bsd/makefiles/buildtree.make	Thu Mar 01 15:31:33 2012 -0800
+++ b/make/bsd/makefiles/buildtree.make	Fri Mar 02 09:13:13 2012 -0800
@@ -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 @@
 	    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 -r 031df0387c09 -r ce292d6c0385 make/bsd/makefiles/gcc.make
--- a/make/bsd/makefiles/gcc.make	Thu Mar 01 15:31:33 2012 -0800
+++ b/make/bsd/makefiles/gcc.make	Fri Mar 02 09:13:13 2012 -0800
@@ -27,53 +27,57 @@
 #------------------------------------------------------------------------
 # 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  = $(CC)
+# If a SPEC is not set already, then use these defaults.
+ifeq ($(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  = $(CC)
+  endif
+
+  # i486 hotspot requires -mstackrealign on Darwin.
+  # llvm-gcc supports this in Xcode 3.2.6 and 4.0.
+  # gcc-4.0 supports this on earlier versions.
+  # Prefer llvm-gcc where available.
+  ifeq ($(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
+
+  AS   = $(CC) -c -x assembler-with-cpp
 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 ($(origin CC), default)
-   CC  = llvm-gcc
-  endif
-
-  ifeq ($(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
-
-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 -r 031df0387c09 -r ce292d6c0385 make/bsd/makefiles/sparcWorks.make
--- a/make/bsd/makefiles/sparcWorks.make	Thu Mar 01 15:31:33 2012 -0800
+++ b/make/bsd/makefiles/sparcWorks.make	Fri Mar 02 09:13:13 2012 -0800
@@ -25,12 +25,15 @@
 #------------------------------------------------------------------------
 # CC, CXX & AS
 
-CXX = CC
-CC  = cc
-AS  = $(CC) -c
+# If a SPEC is not set already, then use these defaults.
+ifeq ($(SPEC),)
+  CXX = CC
+  CC  = cc
+  AS  = $(CC) -c
 
-HOSTCXX = $(CXX)
-HOSTCC  = $(CC)
+  HOSTCXX = $(CXX)
+  HOSTCC  = $(CC)
+endif
 
 ARCHFLAG = $(ARCHFLAG/$(BUILDARCH))
 ARCHFLAG/i486    = -m32
diff -r 031df0387c09 -r ce292d6c0385 make/defs.make
--- a/make/defs.make	Thu Mar 01 15:31:33 2012 -0800
+++ b/make/defs.make	Fri Mar 02 09:13:13 2012 -0800
@@ -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 -r 031df0387c09 -r ce292d6c0385 make/hotspot_version
--- a/make/hotspot_version	Thu Mar 01 15:31:33 2012 -0800
+++ b/make/hotspot_version	Fri Mar 02 09:13:13 2012 -0800
@@ -35,7 +35,7 @@
 
 HS_MAJOR_VER=24
 HS_MINOR_VER=0
-HS_BUILD_NUMBER=01
+HS_BUILD_NUMBER=02
 
 JDK_MAJOR_VER=1
 JDK_MINOR_VER=8
diff -r 031df0387c09 -r ce292d6c0385 make/linux/makefiles/buildtree.make
--- a/make/linux/makefiles/buildtree.make	Thu Mar 01 15:31:33 2012 -0800
+++ b/make/linux/makefiles/buildtree.make	Fri Mar 02 09:13:13 2012 -0800
@@ -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 @@
 	    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 -r 031df0387c09 -r ce292d6c0385 make/linux/makefiles/gcc.make
--- a/make/linux/makefiles/gcc.make	Thu Mar 01 15:31:33 2012 -0800
+++ b/make/linux/makefiles/gcc.make	Fri Mar 02 09:13:13 2012 -0800
@@ -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 @@
 ifdef MINIMIZE_RAM_USAGE
 CFLAGS += -DMINIMIZE_RAM_USAGE
 endif
-
-ifdef CROSS_COMPILE_ARCH
-  STRIP = $(ALT_COMPILER_PATH)/strip
-else
-  STRIP = strip
-endif
diff -r 031df0387c09 -r ce292d6c0385 make/linux/makefiles/ppc.make
--- a/make/linux/makefiles/ppc.make	Thu Mar 01 15:31:33 2012 -0800
+++ b/make/linux/makefiles/ppc.make	Fri Mar 02 09:13:13 2012 -0800
@@ -28,3 +28,6 @@
 # Must also specify if CPU is big endian
 CFLAGS += -DVM_BIG_ENDIAN
 
+ifdef E500V2
+ASFLAGS += -Wa,-mspe -Wa,--defsym -Wa,E500V2=1 
+endif
diff -r 031df0387c09 -r ce292d6c0385 make/linux/makefiles/sparcWorks.make
--- a/make/linux/makefiles/sparcWorks.make	Thu Mar 01 15:31:33 2012 -0800
+++ b/make/linux/makefiles/sparcWorks.make	Fri Mar 02 09:13:13 2012 -0800
@@ -25,12 +25,15 @@
 #------------------------------------------------------------------------
 # CC, CXX & AS
 
-CXX = CC
-CC  = cc
-AS  = $(CC) -c
+# If a SPEC is not set already, then use these defaults.
+ifeq ($(SPEC),)
+  CXX = CC
+  CC  = cc
+  AS  = $(CC) -c
 
-HOSTCXX = $(CXX)
-HOSTCC  = $(CC)
+  HOSTCXX = $(CXX)
+  HOSTCC  = $(CC)
+endif
 
 ARCHFLAG = $(ARCHFLAG/$(BUILDARCH))
 ARCHFLAG/i486    = -m32
diff -r 031df0387c09 -r ce292d6c0385 make/solaris/makefiles/buildtree.make
--- a/make/solaris/makefiles/buildtree.make	Thu Mar 01 15:31:33 2012 -0800
+++ b/make/solaris/makefiles/buildtree.make	Fri Mar 02 09:13:13 2012 -0800
@@ -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 @@
 	    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 -r 031df0387c09 -r ce292d6c0385 make/solaris/makefiles/gcc.make
--- a/make/solaris/makefiles/gcc.make	Thu Mar 01 15:31:33 2012 -0800
+++ b/make/solaris/makefiles/gcc.make	Fri Mar 02 09:13:13 2012 -0800
@@ -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 @@
 ifeq ($(DEBUG_CFLAGS/$(BUILDARCH)),) 
 DEBUG_CFLAGS += -gstabs 
 endif 
-
-MCS = /usr/ccs/bin/mcs
diff -r 031df0387c09 -r ce292d6c0385 make/solaris/makefiles/sparcWorks.make
--- a/make/solaris/makefiles/sparcWorks.make	Thu Mar 01 15:31:33 2012 -0800
+++ b/make/solaris/makefiles/sparcWorks.make	Fri Mar 02 09:13:13 2012 -0800
@@ -22,18 +22,22 @@
 #  
 #
 
-# Compiler-specific flags for sparcworks.
-
-# tell make which C and C++ compilers to use
-CC	= cc
-CXX	= CC
+# If a SPEC is not set already, then use these defaults.
+ifeq ($(SPEC),)
+  # Compiler-specific flags for sparcworks.
+  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 @@
 #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 -r 031df0387c09 -r ce292d6c0385 make/windows/build.make
--- a/make/windows/build.make	Thu Mar 01 15:31:33 2012 -0800
+++ b/make/windows/build.make	Fri Mar 02 09:13:13 2012 -0800
@@ -297,6 +297,10 @@
 	@ 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 -r 031df0387c09 -r ce292d6c0385 make/windows/makefiles/compile.make
--- a/make/windows/makefiles/compile.make	Thu Mar 01 15:31:33 2012 -0800
+++ b/make/windows/makefiles/compile.make	Fri Mar 02 09:13:13 2012 -0800
@@ -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 @@
 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 @@
 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 @@
 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 @@
 !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 @@
 !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 -r 031df0387c09 -r ce292d6c0385 make/windows/makefiles/defs.make
--- a/make/windows/makefiles/defs.make	Thu Mar 01 15:31:33 2012 -0800
+++ b/make/windows/makefiles/defs.make	Fri Mar 02 09:13:13 2012 -0800
@@ -202,3 +202,19 @@
   # 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 -r 031df0387c09 -r ce292d6c0385 src/cpu/sparc/vm/c1_LIRAssembler_sparc.cpp
--- a/src/cpu/sparc/vm/c1_LIRAssembler_sparc.cpp	Thu Mar 01 15:31:33 2012 -0800
+++ b/src/cpu/sparc/vm/c1_LIRAssembler_sparc.cpp	Fri Mar 02 09:13:13 2012 -0800
@@ -3231,6 +3231,26 @@
   // no-op on TSO
 }
 
+void LIR_Assembler::membar_loadload() {
+  // no-op
+  //__ membar(Assembler::Membar_mask_bits(Assembler::loadload));
+}
+
+void LIR_Assembler::membar_storestore() {
+  // no-op
+  //__ membar(Assembler::Membar_mask_bits(Assembler::storestore));
+}
+
+void LIR_Assembler::membar_loadstore() {
+  // no-op
+  //__ membar(Assembler::Membar_mask_bits(Assembler::loadstore));
+}
+
+void LIR_Assembler::membar_storeload() {
+  __ membar(Assembler::Membar_mask_bits(Assembler::StoreLoad));
+}
+
+
 // Pack two sequential registers containing 32 bit values
 // into a single 64 bit register.
 // src and src->successor() are packed into dst
diff -r 031df0387c09 -r ce292d6c0385 src/cpu/x86/vm/c1_LIRAssembler_x86.cpp
--- a/src/cpu/x86/vm/c1_LIRAssembler_x86.cpp	Thu Mar 01 15:31:33 2012 -0800
+++ b/src/cpu/x86/vm/c1_LIRAssembler_x86.cpp	Fri Mar 02 09:13:13 2012 -0800
@@ -3713,6 +3713,25 @@
   // __ store_fence();
 }
 
+void LIR_Assembler::membar_loadload() {
+  // no-op
+  //__ membar(Assembler::Membar_mask_bits(Assembler::loadload));
+}
+
+void LIR_Assembler::membar_storestore() {
+  // no-op
+  //__ membar(Assembler::Membar_mask_bits(Assembler::storestore));
+}
+
+void LIR_Assembler::membar_loadstore() {
+  // no-op
+  //__ membar(Assembler::Membar_mask_bits(Assembler::loadstore));
+}
+
+void LIR_Assembler::membar_storeload() {
+  __ membar(Assembler::Membar_mask_bits(Assembler::StoreLoad));
+}
+
 void LIR_Assembler::get_thread(LIR_Opr result_reg) {
   assert(result_reg->is_register(), "check");
 #ifdef _LP64
diff -r 031df0387c09 -r ce292d6c0385 src/cpu/x86/vm/vm_version_x86.cpp
--- a/src/cpu/x86/vm/vm_version_x86.cpp	Thu Mar 01 15:31:33 2012 -0800
+++ b/src/cpu/x86/vm/vm_version_x86.cpp	Fri Mar 02 09:13:13 2012 -0800
@@ -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
@@ -65,8 +65,8 @@
 
   address generate_getPsrInfo() {
     // Flags to test CPU type.
-    const uint32_t EFL_AC           = 0x40000;
-    const uint32_t EFL_ID           = 0x200000;
+    const uint32_t HS_EFL_AC           = 0x40000;
+    const uint32_t HS_EFL_ID           = 0x200000;
     // Values for when we don't have a CPUID instruction.
     const int      CPU_FAMILY_SHIFT = 8;
     const uint32_t CPU_FAMILY_386   = (3 << CPU_FAMILY_SHIFT);
@@ -100,7 +100,7 @@
     //
     // if we are unable to change the AC flag, we have a 386
     //
-    __ xorl(rax, EFL_AC);
+    __ xorl(rax, HS_EFL_AC);
     __ push(rax);
     __ popf();
     __ pushf();
@@ -118,7 +118,7 @@
     //
     __ bind(detect_486);
     __ mov(rax, rcx);
-    __ xorl(rax, EFL_ID);
+    __ xorl(rax, HS_EFL_ID);
     __ push(rax);
     __ popf();
     __ pushf();
diff -r 031df0387c09 -r ce292d6c0385 src/os/bsd/vm/osThread_bsd.cpp
--- a/src/os/bsd/vm/osThread_bsd.cpp	Thu Mar 01 15:31:33 2012 -0800
+++ b/src/os/bsd/vm/osThread_bsd.cpp	Fri Mar 02 09:13:13 2012 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 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
@@ -49,7 +49,11 @@
 
 void OSThread::pd_initialize() {
   assert(this != NULL, "check");
+#ifdef __APPLE__
+  _thread_id        = 0;
+#else
   _thread_id        = NULL;
+#endif
   _pthread_id       = NULL;
   _siginfo = NULL;
   _ucontext = NULL;
diff -r 031df0387c09 -r ce292d6c0385 src/os/bsd/vm/osThread_bsd.hpp
--- a/src/os/bsd/vm/osThread_bsd.hpp	Thu Mar 01 15:31:33 2012 -0800
+++ b/src/os/bsd/vm/osThread_bsd.hpp	Fri Mar 02 09:13:13 2012 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 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
@@ -40,10 +40,17 @@
  private:
 
 #ifdef _ALLBSD_SOURCE
-  // _thread_id and _pthread_id are the same on BSD
-  // keep both to minimize code divergence in os_bsd.cpp
+
+#ifdef __APPLE__
+  thread_t  _thread_id;
+#else
   pthread_t _thread_id;
+#endif
+
+  // _pthread_id is the pthread id, which is used by library calls
+  // (e.g. pthread_kill).
   pthread_t _pthread_id;
+
 #else
   // _thread_id is kernel thread id (similar to LWP id on Solaris). Each
   // thread has a unique thread_id (BsdThreads or NPTL). It can be used
@@ -64,9 +71,15 @@
   void    set_caller_sigmask(sigset_t sigmask)  { _caller_sigmask = sigmask; }
 
 #ifdef _ALLBSD_SOURCE
+#ifdef __APPLE__
+  thread_t thread_id() const {
+    return _thread_id;
+  }
+#else
   pthread_t thread_id() const {
     return _thread_id;
   }
+#endif
 #else
   pid_t thread_id() const {
     return _thread_id;
@@ -84,9 +97,15 @@
   }
 #endif // ASSERT
 #ifdef _ALLBSD_SOURCE
+#ifdef __APPLE__
+  void set_thread_id(thread_t id) {
+    _thread_id = id;
+  }
+#else
   void set_thread_id(pthread_t id) {
     _thread_id = id;
   }
+#endif
 #else
   void set_thread_id(pid_t id) {
     _thread_id = id;
diff -r 031df0387c09 -r ce292d6c0385 src/os/bsd/vm/os_bsd.cpp
--- a/src/os/bsd/vm/os_bsd.cpp	Thu Mar 01 15:31:33 2012 -0800
+++ b/src/os/bsd/vm/os_bsd.cpp	Fri Mar 02 09:13:13 2012 -0800
@@ -568,6 +568,25 @@
             sprintf(ld_library_path, "%s:%s", v, t);
             free(t);
         }
+
+#ifdef __APPLE__
+        // Apple's Java6 has "." at the beginning of java.library.path.
+        // OpenJDK on Windows has "." at the end of java.library.path.
+        // OpenJDK on Linux and Solaris don't have "." in java.library.path
+        // at all. To ease the transition from Apple's Java6 to OpenJDK7,
+        // "." is appended to the end of java.library.path. Yes, this
+        // could cause a change in behavior, but Apple's Java6 behavior
+        // can be achieved by putting "." at the beginning of the
+        // JAVA_LIBRARY_PATH environment variable.
+        {
+            char *t = ld_library_path;
+            // that's +3 for appending ":." and the trailing '\0'
+            ld_library_path = (char *) malloc(strlen(t) + 3);
+            sprintf(ld_library_path, "%s:%s", t, ".");
+            free(t);
+        }
+#endif
+
         Arguments::set_library_path(ld_library_path);
     }
 
@@ -979,8 +998,13 @@
   }
 
 #ifdef _ALLBSD_SOURCE
+#ifdef __APPLE__
+  // thread_id is mach thread on macos
+  osthread->set_thread_id(::mach_thread_self());
+#else
   // thread_id is pthread_id on BSD
   osthread->set_thread_id(::pthread_self());
+#endif
 #else
   // thread_id is kernel thread id (similar to Solaris LWP id)
   osthread->set_thread_id(os::Bsd::gettid());
@@ -1171,7 +1195,11 @@
 
   // Store pthread info into the OSThread
 #ifdef _ALLBSD_SOURCE
+#ifdef __APPLE__
+  osthread->set_thread_id(::mach_thread_self());
+#else
   osthread->set_thread_id(::pthread_self());
+#endif
 #else
   osthread->set_thread_id(os::Bsd::gettid());
 #endif
@@ -1788,7 +1816,13 @@
   return n;
 }
 
-intx os::current_thread_id() { return (intx)pthread_self(); }
+intx os::current_thread_id() {
+#ifdef __APPLE__
+  return (intx)::mach_thread_self();
+#else
+  return (intx)::pthread_self();
+#endif
+}
 int os::current_process_id() {
 
   // Under the old bsd thread library, bsd gives each thread
@@ -5133,9 +5167,9 @@
   struct thread_basic_info tinfo;
   mach_msg_type_number_t tcount = THREAD_INFO_MAX;
   kern_return_t kr;
-  mach_port_t mach_thread;
-
-  mach_thread = pthread_mach_thread_np(thread->osthread()->thread_id());
+  thread_t mach_thread;
+
+  mach_thread = thread->osthread()->thread_id();
   kr = thread_info(mach_thread, THREAD_BASIC_INFO, (thread_info_t)&tinfo, &tcount);
   if (kr != KERN_SUCCESS)
     return -1;
diff -r 031df0387c09 -r ce292d6c0385 src/os_cpu/bsd_x86/vm/vmStructs_bsd_x86.hpp
--- a/src/os_cpu/bsd_x86/vm/vmStructs_bsd_x86.hpp	Thu Mar 01 15:31:33 2012 -0800
+++ b/src/os_cpu/bsd_x86/vm/vmStructs_bsd_x86.hpp	Fri Mar 02 09:13:13 2012 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 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
@@ -29,12 +29,18 @@
 // constants required by the Serviceability Agent. This file is
 // referenced by vmStructs.cpp.
 
+#ifdef __APPLE__
+#define OS_THREAD_ID_TYPE thread_t
+#else
+#define OS_THREAD_ID_TYPE pthread_t
+#endif
+
 #define VM_STRUCTS_OS_CPU(nonstatic_field, static_field, unchecked_nonstatic_field, volatile_nonstatic_field, nonproduct_nonstatic_field, c2_nonstatic_field, unchecked_c1_static_field, unchecked_c2_static_field, last_entry) \
                                                                                                                                      \
   /******************************/                                                                                                   \
   /* Threads (NOTE: incomplete) */                                                                                                   \
   /******************************/                                                                                                   \
-  nonstatic_field(OSThread,                      _thread_id,                                      pthread_t)                             \
+  nonstatic_field(OSThread,                      _thread_id,                                      OS_THREAD_ID_TYPE)                 \
   nonstatic_field(OSThread,                      _pthread_id,                                     pthread_t)                         \
   /* This must be the last entry, and must be present */                                                                             \
   last_entry()
@@ -46,7 +52,7 @@
   /* Posix Thread IDs   */                                                \
   /**********************/                                                \
                                                                           \
-  declare_integer_type(pid_t)                                             \
+  declare_unsigned_integer_type(thread_t)                                 \
   declare_unsigned_integer_type(pthread_t)                                \
                                                                           \
   /* This must be the last entry, and must be present */                  \
diff -r 031df0387c09 -r ce292d6c0385 src/share/vm/c1/c1_Canonicalizer.cpp
--- a/src/share/vm/c1/c1_Canonicalizer.cpp	Thu Mar 01 15:31:33 2012 -0800
+++ b/src/share/vm/c1/c1_Canonicalizer.cpp	Fri Mar 02 09:13:13 2012 -0800
@@ -908,3 +908,4 @@
 void Canonicalizer::do_ProfileCall(ProfileCall* x) {}
 void Canonicalizer::do_ProfileInvoke(ProfileInvoke* x) {}
 void Canonicalizer::do_RuntimeCall(RuntimeCall* x) {}
+void Canonicalizer::do_MemBar(MemBar* x) {}
diff -r 031df0387c09 -r ce292d6c0385 src/share/vm/c1/c1_Canonicalizer.hpp
--- a/src/share/vm/c1/c1_Canonicalizer.hpp	Thu Mar 01 15:31:33 2012 -0800
+++ b/src/share/vm/c1/c1_Canonicalizer.hpp	Fri Mar 02 09:13:13 2012 -0800
@@ -104,6 +104,7 @@
   virtual void do_ProfileCall    (ProfileCall*     x);
   virtual void do_ProfileInvoke  (ProfileInvoke*   x);
   virtual void do_RuntimeCall    (RuntimeCall*     x);
+  virtual void do_MemBar         (MemBar*          x);
 };
 
 #endif // SHARE_VM_C1_C1_CANONICALIZER_HPP
diff -r 031df0387c09 -r ce292d6c0385 src/share/vm/c1/c1_GraphBuilder.cpp
--- a/src/share/vm/c1/c1_GraphBuilder.cpp	Thu Mar 01 15:31:33 2012 -0800
+++ b/src/share/vm/c1/c1_GraphBuilder.cpp	Fri Mar 02 09:13:13 2012 -0800
@@ -1418,6 +1418,12 @@
     call_register_finalizer();
   }
 
+  bool need_mem_bar = false;
+  if (method()->name() == ciSymbol::object_initializer_name() &&
+      scope()->wrote_final()) {
+    need_mem_bar = true;
+  }
+
   // Check to see whether we are inlining. If so, Return
   // instructions become Gotos to the continuation point.
   if (continuation() != NULL) {
@@ -1437,6 +1443,10 @@
       monitorexit(state()->lock_at(0), SynchronizationEntryBCI);
     }
 
+    if (need_mem_bar) {
+      append(new MemBar(lir_membar_storestore));
+    }
+
     // State at end of inlined method is the state of the caller
     // without the method parameters on stack, including the
     // return value, if any, of the inlined method on operand stack.
@@ -1456,7 +1466,6 @@
     // the continuation point.
     append_with_bci(goto_callee, scope_data()->continuation()->bci());
     incr_num_returns();
-
     return;
   }
 
@@ -1472,6 +1481,10 @@
     append_split(new MonitorExit(receiver, state()->unlock()));
   }
 
+  if (need_mem_bar) {
+      append(new MemBar(lir_membar_storestore));
+  }
+
   append(new Return(x));
 }
 
@@ -1504,6 +1517,9 @@
     }
   }
 
+  if (field->is_final() && (code == Bytecodes::_putfield)) {
+    scope()->set_wrote_final();
+  }
 
   const int offset = !needs_patching ? field->offset() : -1;
   switch (code) {
diff -r 031df0387c09 -r ce292d6c0385 src/share/vm/c1/c1_IR.cpp
--- a/src/share/vm/c1/c1_IR.cpp	Thu Mar 01 15:31:33 2012 -0800
+++ b/src/share/vm/c1/c1_IR.cpp	Fri Mar 02 09:13:13 2012 -0800
@@ -141,6 +141,7 @@
   _xhandlers          = new XHandlers(method);
   _number_of_locks    = 0;
   _monitor_pairing_ok = method->has_balanced_monitors();
+  _wrote_final        = false;
   _start              = NULL;
 
   if (osr_bci == -1) {
diff -r 031df0387c09 -r ce292d6c0385 src/share/vm/c1/c1_IR.hpp
--- a/src/share/vm/c1/c1_IR.hpp	Thu Mar 01 15:31:33 2012 -0800
+++ b/src/share/vm/c1/c1_IR.hpp	Fri Mar 02 09:13:13 2012 -0800
@@ -149,6 +149,7 @@
   XHandlers*    _xhandlers;                      // the exception handlers
   int           _number_of_locks;                // the number of monitor lock slots needed
   bool          _monitor_pairing_ok;             // the monitor pairing info
+  bool          _wrote_final;                    // has written final field
   BlockBegin*   _start;                          // the start block, successsors are method entries
 
   BitMap        _requires_phi_function;          // bit is set if phi functions at loop headers are necessary for a local variable
@@ -181,6 +182,8 @@
   void          set_min_number_of_locks(int n)   { if (n > _number_of_locks) _number_of_locks = n; }
   bool          monitor_pairing_ok() const       { return _monitor_pairing_ok; }
   BlockBegin*   start() const                    { return _start; }
+  void          set_wrote_final()                { _wrote_final = true; }
+  bool          wrote_final    () const          { return _wrote_final; }
 };
 
 
diff -r 031df0387c09 -r ce292d6c0385 src/share/vm/c1/c1_Instruction.hpp
--- a/src/share/vm/c1/c1_Instruction.hpp	Thu Mar 01 15:31:33 2012 -0800
+++ b/src/share/vm/c1/c1_Instruction.hpp	Fri Mar 02 09:13:13 2012 -0800
@@ -107,6 +107,7 @@
 class   ProfileCall;
 class   ProfileInvoke;
 class   RuntimeCall;
+class   MemBar;
 
 // A Value is a reference to the instruction creating the value
 typedef Instruction* Value;
@@ -204,6 +205,7 @@
   virtual void do_ProfileCall    (ProfileCall*     x) = 0;
   virtual void do_ProfileInvoke  (ProfileInvoke*   x) = 0;
   virtual void do_RuntimeCall    (RuntimeCall*     x) = 0;
+  virtual void do_MemBar         (MemBar*          x) = 0;
 };
 
 
@@ -2351,6 +2353,23 @@
   virtual void state_values_do(ValueVisitor*);
 };
 
+LEAF(MemBar, Instruction)
+ private:
+  LIR_Code _code;
+
+ public:
+  MemBar(LIR_Code code)
+    : Instruction(voidType)
+    , _code(code)
+  {
+    pin();
+  }
+
+  LIR_Code code()           { return _code; }
+
+  virtual void input_values_do(ValueVisitor*)   {}
+};
+
 class BlockPair: public CompilationResourceObj {
  private:
   BlockBegin* _from;
diff -r 031df0387c09 -r ce292d6c0385 src/share/vm/c1/c1_InstructionPrinter.cpp
--- a/src/share/vm/c1/c1_InstructionPrinter.cpp	Thu Mar 01 15:31:33 2012 -0800
+++ b/src/share/vm/c1/c1_InstructionPrinter.cpp	Fri Mar 02 09:13:13 2012 -0800
@@ -855,4 +855,20 @@
   output()->put(')');
 }
 
+void InstructionPrinter::do_MemBar(MemBar* x) {
+  if (os::is_MP()) {
+    LIR_Code code = x->code();
+    switch (code) {
+      case lir_membar_acquire   : output()->print("membar_acquire"); break;
+      case lir_membar_release   : output()->print("membar_release"); break;
+      case lir_membar           : output()->print("membar"); break;
+      case lir_membar_loadload  : output()->print("membar_loadload"); break;
+      case lir_membar_storestore: output()->print("membar_storestore"); break;
+      case lir_membar_loadstore : output()->print("membar_loadstore"); break;
+      case lir_membar_storeload : output()->print("membar_storeload"); break;
+      default                   : ShouldNotReachHere(); break;
+    }
+  }
+}
+
 #endif // PRODUCT
diff -r 031df0387c09 -r ce292d6c0385 src/share/vm/c1/c1_InstructionPrinter.hpp
--- a/src/share/vm/c1/c1_InstructionPrinter.hpp	Thu Mar 01 15:31:33 2012 -0800
+++ b/src/share/vm/c1/c1_InstructionPrinter.hpp	Fri Mar 02 09:13:13 2012 -0800
@@ -132,6 +132,7 @@
   virtual void do_ProfileCall    (ProfileCall*     x);
   virtual void do_ProfileInvoke  (ProfileInvoke*   x);
   virtual void do_RuntimeCall    (RuntimeCall*     x);
+  virtual void do_MemBar         (MemBar*          x);
 };
 #endif // PRODUCT
 
diff -r 031df0387c09 -r ce292d6c0385 src/share/vm/c1/c1_LIR.cpp
--- a/src/share/vm/c1/c1_LIR.cpp	Thu Mar 01 15:31:33 2012 -0800
+++ b/src/share/vm/c1/c1_LIR.cpp	Fri Mar 02 09:13:13 2012 -0800
@@ -464,6 +464,10 @@
     case lir_membar:                   // result and info always invalid
     case lir_membar_acquire:           // result and info always invalid
     case lir_membar_release:           // result and info always invalid
+    case lir_membar_loadload:          // result and info always invalid
+    case lir_membar_storestore:        // result and info always invalid
+    case lir_membar_loadstore:         // result and info always invalid
+    case lir_membar_storeload:         // result and info always invalid
     {
       assert(op->as_Op0() != NULL, "must be");
       assert(op->_info == NULL, "info not used by this instruction");
@@ -1607,6 +1611,10 @@
      case lir_membar:                s = "membar";        break;
      case lir_membar_acquire:        s = "membar_acquire"; break;
      case lir_membar_release:        s = "membar_release"; break;
+     case lir_membar_loadload:       s = "membar_loadload";   break;
+     case lir_membar_storestore:     s = "membar_storestore"; break;
+     case lir_membar_loadstore:      s = "membar_loadstore";  break;
+     case lir_membar_storeload:      s = "membar_storeload";  break;
      case lir_word_align:            s = "word_align";    break;
      case lir_label:                 s = "label";         break;
      case lir_nop:                   s = "nop";           break;
diff -r 031df0387c09 -r ce292d6c0385 src/share/vm/c1/c1_LIR.hpp
--- a/src/share/vm/c1/c1_LIR.hpp	Thu Mar 01 15:31:33 2012 -0800
+++ b/src/share/vm/c1/c1_LIR.hpp	Fri Mar 02 09:13:13 2012 -0800
@@ -866,6 +866,10 @@
       , lir_membar
       , lir_membar_acquire
       , lir_membar_release
+      , lir_membar_loadload
+      , lir_membar_storestore
+      , lir_membar_loadstore
+      , lir_membar_storeload
       , lir_get_thread
   , end_op0
   , begin_op1
@@ -1918,6 +1922,10 @@
   void membar()                                  { append(new LIR_Op0(lir_membar)); }
   void membar_acquire()                          { append(new LIR_Op0(lir_membar_acquire)); }
   void membar_release()                          { append(new LIR_Op0(lir_membar_release)); }
+  void membar_loadload()                         { append(new LIR_Op0(lir_membar_loadload)); }
+  void membar_storestore()                       { append(new LIR_Op0(lir_membar_storestore)); }
+  void membar_loadstore()                        { append(new LIR_Op0(lir_membar_loadstore)); }
+  void membar_storeload()                        { append(new LIR_Op0(lir_membar_storeload)); }
 
   void nop()                                     { append(new LIR_Op0(lir_nop)); }
   void build_frame()                             { append(new LIR_Op0(lir_build_frame)); }
diff -r 031df0387c09 -r ce292d6c0385 src/share/vm/c1/c1_LIRAssembler.cpp
--- a/src/share/vm/c1/c1_LIRAssembler.cpp	Thu Mar 01 15:31:33 2012 -0800
+++ b/src/share/vm/c1/c1_LIRAssembler.cpp	Fri Mar 02 09:13:13 2012 -0800
@@ -664,6 +664,22 @@
       membar_release();
       break;
 
+    case lir_membar_loadload:
+      membar_loadload();
+      break;
+
+    case lir_membar_storestore:
+      membar_storestore();
+      break;
+
+    case lir_membar_loadstore:
+      membar_loadstore();
+      break;
+
+    case lir_membar_storeload:
+      membar_storeload();
+      break;
+
     case lir_get_thread:
       get_thread(op->result_opr());
       break;
diff -r 031df0387c09 -r ce292d6c0385 src/share/vm/c1/c1_LIRAssembler.hpp
--- a/src/share/vm/c1/c1_LIRAssembler.hpp	Thu Mar 01 15:31:33 2012 -0800
+++ b/src/share/vm/c1/c1_LIRAssembler.hpp	Fri Mar 02 09:13:13 2012 -0800
@@ -241,6 +241,10 @@
   void membar();
   void membar_acquire();
   void membar_release();
+  void membar_loadload();
+  void membar_storestore();
+  void membar_loadstore();
+  void membar_storeload();
   void get_thread(LIR_Opr result);
 
   void verify_oop_map(CodeEmitInfo* info);
diff -r 031df0387c09 -r ce292d6c0385 src/share/vm/c1/c1_LIRGenerator.cpp
--- a/src/share/vm/c1/c1_LIRGenerator.cpp	Thu Mar 01 15:31:33 2012 -0800
+++ b/src/share/vm/c1/c1_LIRGenerator.cpp	Fri Mar 02 09:13:13 2012 -0800
@@ -3165,3 +3165,20 @@
   }
   return result;
 }
+
+void LIRGenerator::do_MemBar(MemBar* x) {
+  if (os::is_MP()) {
+    LIR_Code code = x->code();
+    switch(code) {
+      case lir_membar_acquire   : __ membar_acquire(); break;
+      case lir_membar_release   : __ membar_release(); break;
+      case lir_membar           : __ membar(); break;
+      case lir_membar_loadload  : __ membar_loadload(); break;
+      case lir_membar_storestore: __ membar_storestore(); break;
+      case lir_membar_loadstore : __ membar_loadstore(); break;
+      case lir_membar_storeload : __ membar_storeload(); break;
+      default                   : ShouldNotReachHere(); break;
+    }
+  }
+}
+
diff -r 031df0387c09 -r ce292d6c0385 src/share/vm/c1/c1_LIRGenerator.hpp
--- a/src/share/vm/c1/c1_LIRGenerator.hpp	Thu Mar 01 15:31:33 2012 -0800
+++ b/src/share/vm/c1/c1_LIRGenerator.hpp	Fri Mar 02 09:13:13 2012 -0800
@@ -525,6 +525,7 @@
   virtual void do_ProfileCall    (ProfileCall*     x);
   virtual void do_ProfileInvoke  (ProfileInvoke*   x);
   virtual void do_RuntimeCall    (RuntimeCall*     x);
+  virtual void do_MemBar         (MemBar*          x);
 };
 
 
diff -r 031df0387c09 -r ce292d6c0385 src/share/vm/c1/c1_Optimizer.cpp
--- a/src/share/vm/c1/c1_Optimizer.cpp	Thu Mar 01 15:31:33 2012 -0800
+++ b/src/share/vm/c1/c1_Optimizer.cpp	Fri Mar 02 09:13:13 2012 -0800
@@ -509,6 +509,7 @@
   void do_ProfileCall    (ProfileCall*     x);
   void do_ProfileInvoke  (ProfileInvoke*   x);
   void do_RuntimeCall    (RuntimeCall*     x);
+  void do_MemBar         (MemBar*          x);
 };
 
 
@@ -678,6 +679,7 @@
 void NullCheckVisitor::do_ProfileCall    (ProfileCall*     x) { nce()->clear_last_explicit_null_check(); }
 void NullCheckVisitor::do_ProfileInvoke  (ProfileInvoke*   x) {}
 void NullCheckVisitor::do_RuntimeCall    (RuntimeCall*     x) {}
+void NullCheckVisitor::do_MemBar         (MemBar*          x) {}
 
 
 void NullCheckEliminator::visit(Value* p) {
diff -r 031df0387c09 -r ce292d6c0385 src/share/vm/c1/c1_ValueMap.hpp
--- a/src/share/vm/c1/c1_ValueMap.hpp	Thu Mar 01 15:31:33 2012 -0800
+++ b/src/share/vm/c1/c1_ValueMap.hpp	Fri Mar 02 09:13:13 2012 -0800
@@ -200,6 +200,7 @@
   void do_ProfileCall    (ProfileCall*     x) { /* nothing to do */ }
   void do_ProfileInvoke  (ProfileInvoke*   x) { /* nothing to do */ };
   void do_RuntimeCall    (RuntimeCall*     x) { /* nothing to do */ };
+  void do_MemBar         (MemBar*          x) { /* nothing to do */ };
 };
 
 
diff -r 031df0387c09 -r ce292d6c0385 src/share/vm/classfile/vmSymbols.hpp
--- a/src/share/vm/classfile/vmSymbols.hpp	Thu Mar 01 15:31:33 2012 -0800
+++ b/src/share/vm/classfile/vmSymbols.hpp	Fri Mar 02 09:13:13 2012 -0800
@@ -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 -r 031df0387c09 -r ce292d6c0385 src/share/vm/oops/cpCacheOop.cpp
--- a/src/share/vm/oops/cpCacheOop.cpp	Thu Mar 01 15:31:33 2012 -0800
+++ b/src/share/vm/oops/cpCacheOop.cpp	Fri Mar 02 09:13:13 2012 -0800
@@ -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 @@
 
 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 -r 031df0387c09 -r ce292d6c0385 src/share/vm/services/diagnosticCommand.cpp
--- a/src/share/vm/services/diagnosticCommand.cpp	Thu Mar 01 15:31:33 2012 -0800
+++ b/src/share/vm/services/diagnosticCommand.cpp	Fri Mar 02 09:13:13 2012 -0800
@@ -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 @@
   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 @@
     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 -r 031df0387c09 -r ce292d6c0385 src/share/vm/services/diagnosticCommand.hpp
--- a/src/share/vm/services/diagnosticCommand.hpp	Thu Mar 01 15:31:33 2012 -0800
+++ b/src/share/vm/services/diagnosticCommand.hpp	Fri Mar 02 09:13:13 2012 -0800
@@ -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 @@
   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
diff -r 031df0387c09 -r ce292d6c0385 src/share/vm/utilities/globalDefinitions_gcc.hpp
--- a/src/share/vm/utilities/globalDefinitions_gcc.hpp	Thu Mar 01 15:31:33 2012 -0800
+++ b/src/share/vm/utilities/globalDefinitions_gcc.hpp	Fri Mar 02 09:13:13 2012 -0800
@@ -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
@@ -87,14 +87,7 @@
 #endif
 #ifdef __APPLE__
   #include <AvailabilityMacros.h>
-  #if (MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_4)
-    // Mac OS X 10.4 defines EFL_AC and EFL_ID,
-    // which conflict with hotspot variable names.
-    //
-    // This has been fixed in Mac OS X 10.5.
-    #undef EFL_AC
-    #undef EFL_ID
-  #endif
+  #include <mach/mach.h>
 #endif
 #include <sys/time.h>
 #endif // LINUX || _ALLBSD_SOURCE