Merge

hotspot/.hgtags

@@ -230,3 +230,4 @@ b183b0863611b85dbac16f3b08b40ba978756d19 jdk8-b28
 030b5306d60f140e822e4a6d301744cb110ff0c8 hs24-b02
 b45b5c564098c58ea69e7cff3f7d341f0254dd1d jdk8-b29
 d61761bf305031c94f7f8eca49abd978b7d3c5da jdk8-b30
+dfae0140457cfb2c381d7679735fbedbae862c62 hs24-b03

hotspot/agent/src/share/classes/sun/jvm/hotspot/jdi/ConnectorImpl.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 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
@@ -217,8 +217,8 @@ abstract class ConnectorImpl implements Connector {
     }
 
     protected void checkNativeLink(SecurityManager sm, String os) {
-        if (os.equals("SunOS") || os.equals("Linux")) {
+        if (os.equals("SunOS") || os.equals("Linux") || os.contains("OS X")) {
-            // link "saproc" - SA native library on SunOS and Linux?
+            // link "saproc" - SA native library on SunOS, Linux, and Mac OS X
             sm.checkLink("saproc");
         } else if (os.startsWith("Windows")) {
             // link "sawindbg" - SA native library on Windows.

hotspot/agent/src/share/classes/sun/jvm/hotspot/utilities/PlatformInfo.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2003, 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
@@ -43,7 +43,7 @@ public class PlatformInfo {
       return "bsd";
     } else if (os.equals("OpenBSD")) {
       return "bsd";
-    } else if (os.equals("Darwin") || os.startsWith("Mac OS X")) {
+    } else if (os.equals("Darwin") || os.contains("OS X")) {
       return "bsd";
     } else if (os.startsWith("Windows")) {
       return "win32";
@@ -52,17 +52,17 @@ public class PlatformInfo {
     }
   }
 
-  /* Returns "sparc" if on SPARC, "x86" if on x86. */
+  /* Returns "sparc" for SPARC based platforms and "x86" for x86 based
+     platforms. Otherwise returns the value of os.arch.  If the value
+     is not recognized as supported, an exception is thrown instead. */
   public static String getCPU() throws UnsupportedPlatformException {
     String cpu = System.getProperty("os.arch");
-    if (cpu.equals("i386")) {
+    if (cpu.equals("i386") || cpu.equals("x86")) {
       return "x86";
-    } else if (cpu.equals("sparc") || cpu.equals("x86") || cpu.equals("ia64")) {
+    } else if (cpu.equals("sparc") || cpu.equals("sparcv9")) {
-      return cpu;
-    } else if (cpu.equals("sparcv9")) {
       return "sparc";
-    } else if (cpu.equals("x86_64") || cpu.equals("amd64")) {
+    } else if (cpu.equals("ia64") || cpu.equals("amd64") || cpu.equals("x86_64")) {
-      return "amd64";
+      return cpu;
     } else {
       throw new UnsupportedPlatformException("CPU type " + cpu + " not yet supported");
     }

hotspot/make/Makefile

@@ -378,6 +378,9 @@ endif
 $(EXPORT_LIB_DIR)/%.jar: $(GEN_DIR)/%.jar
 	$(install-file)
 
+$(EXPORT_JRE_LIB_DIR)/%.jar: $(GEN_DIR)/%.jar
+	$(install-file)
+
 # Include files (jvmti.h, jvmticmlr.h, jni.h, $(JDK_INCLUDE_SUBDIR)/jni_md.h, jmm.h, jfr.h)
 $(EXPORT_INCLUDE_DIR)/%: $(GEN_DIR)/jvmtifiles/%
 	$(install-file)

hotspot/make/bsd/makefiles/defs.make

@@ -144,6 +144,8 @@ EXPORT_LIST += $(EXPORT_JRE_LIB_ARCH_DIR)/libjsig.$(LIBRARY_SUFFIX)
 EXPORT_SERVER_DIR = $(EXPORT_JRE_LIB_ARCH_DIR)/server
 EXPORT_CLIENT_DIR = $(EXPORT_JRE_LIB_ARCH_DIR)/client
 
+EXPORT_LIST += $(EXPORT_JRE_LIB_DIR)/wb.jar
+
 ifndef BUILD_CLIENT_ONLY
 EXPORT_LIST += $(EXPORT_SERVER_DIR)/Xusage.txt
 EXPORT_LIST += $(EXPORT_SERVER_DIR)/libjvm.$(LIBRARY_SUFFIX)

hotspot/make/bsd/makefiles/vm.make

@@ -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
@@ -335,6 +335,9 @@ include $(MAKEFILES_DIR)/jsig.make
 # Serviceability agent
 include $(MAKEFILES_DIR)/saproc.make
 
+# Whitebox testing API
+include $(MAKEFILES_DIR)/wb.make
+
 #----------------------------------------------------------------------
 
 ifeq ($(OS_VENDOR), Darwin)
@@ -342,10 +345,10 @@ $(LIBJVM).dSYM: $(LIBJVM)
 	dsymutil $(LIBJVM)
 
 # no libjvm_db for macosx
-build: $(LIBJVM) $(LAUNCHER) $(LIBJSIG) $(BUILDLIBSAPROC) dtraceCheck $(LIBJVM).dSYM
+build: $(LIBJVM) $(LAUNCHER) $(LIBJSIG) $(BUILDLIBSAPROC) dtraceCheck $(LIBJVM).dSYM $(WB_JAR)
 	echo "Doing vm.make build:"
 else
-build: $(LIBJVM) $(LAUNCHER) $(LIBJSIG) $(LIBJVM_DB) $(BUILDLIBSAPROC)
+build: $(LIBJVM) $(LAUNCHER) $(LIBJSIG) $(LIBJVM_DB) $(BUILDLIBSAPROC) $(WB_JAR)
 endif
 
 install: install_jvm install_jsig install_saproc

hotspot/make/bsd/makefiles/wb.make

@@ -0,0 +1,46 @@
+#
+# Copyright (c) 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
+# 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.
+#  
+#
+
+# Rules to build whitebox testing library, used by vm.make
+WB = wb
+
+WBSRCDIR = $(GAMMADIR)/src/share/tools/whitebox
+
+WB_JAR = $(GENERATED)/$(WB).jar
+
+WB_JAVA_SRCS = $(shell find $(WBSRCDIR) -name '*.java')
+WB_JAVA_CLASSDIR = $(GENERATED)/wb/classes
+
+WB_JAVA_CLASSES  = $(patsubst $(WBSRCDIR)/%,$(WB_JAVA_CLASSDIR)/%, \
+	$(patsubst %.java,%.class,$(WB_JAVA_SRCS)))
+
+$(WB_JAVA_CLASSDIR)/%.class: $(WBSRCDIR)/%.java $(WB_JAVA_CLASSDIR)
+	$(REMOTE) $(COMPILE.JAVAC) -nowarn -d $(WB_JAVA_CLASSDIR) $<
+
+$(WB_JAR): $(WB_JAVA_CLASSES)
+	$(QUIETLY) $(REMOTE) $(RUN.JAR) cf $@ -C $(WB_JAVA_CLASSDIR)/ .
+
+$(WB_JAVA_CLASSDIR):
+	$(QUIETLY) mkdir -p $@
+

hotspot/make/hotspot_version

@@ -35,7 +35,7 @@ HOTSPOT_VM_COPYRIGHT=Copyright 2011
 
 HS_MAJOR_VER=24
 HS_MINOR_VER=0
-HS_BUILD_NUMBER=02
+HS_BUILD_NUMBER=04
 
 JDK_MAJOR_VER=1
 JDK_MINOR_VER=8

hotspot/make/jprt.properties

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2006, 2011, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2006, 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
@@ -54,58 +54,72 @@ jprt.sync.push=false
 # Define the Solaris platforms we want for the various releases
 jprt.my.solaris.sparc.jdk8=solaris_sparc_5.10
 jprt.my.solaris.sparc.jdk7=solaris_sparc_5.10
+jprt.my.solaris.sparc.jdk7u4=${jprt.my.solaris.sparc.jdk7}
 jprt.my.solaris.sparc=${jprt.my.solaris.sparc.${jprt.tools.default.release}}
 
 jprt.my.solaris.sparcv9.jdk8=solaris_sparcv9_5.10
 jprt.my.solaris.sparcv9.jdk7=solaris_sparcv9_5.10
+jprt.my.solaris.sparcv9.jdk7u4=${jprt.my.solaris.sparcv9.jdk7}
 jprt.my.solaris.sparcv9=${jprt.my.solaris.sparcv9.${jprt.tools.default.release}}
 
 jprt.my.solaris.i586.jdk8=solaris_i586_5.10
 jprt.my.solaris.i586.jdk7=solaris_i586_5.10
+jprt.my.solaris.i586.jdk7u4=${jprt.my.solaris.i586.jdk7}
 jprt.my.solaris.i586=${jprt.my.solaris.i586.${jprt.tools.default.release}}
 
 jprt.my.solaris.x64.jdk8=solaris_x64_5.10
 jprt.my.solaris.x64.jdk7=solaris_x64_5.10
+jprt.my.solaris.x64.jdk7u4=${jprt.my.solaris.x64.jdk7}
 jprt.my.solaris.x64=${jprt.my.solaris.x64.${jprt.tools.default.release}}
 
 jprt.my.linux.i586.jdk8=linux_i586_2.6
 jprt.my.linux.i586.jdk7=linux_i586_2.6
+jprt.my.linux.i586.jdk7u4=${jprt.my.linux.i586.jdk7}
 jprt.my.linux.i586=${jprt.my.linux.i586.${jprt.tools.default.release}}
 
 jprt.my.linux.x64.jdk8=linux_x64_2.6
 jprt.my.linux.x64.jdk7=linux_x64_2.6
+jprt.my.linux.x64.jdk7u4=${jprt.my.linux.x64.jdk7}
 jprt.my.linux.x64=${jprt.my.linux.x64.${jprt.tools.default.release}}
 
 jprt.my.linux.ppc.jdk8=linux_ppc_2.6
 jprt.my.linux.ppc.jdk7=linux_ppc_2.6
+jprt.my.linux.ppc.jdk7u4=${jprt.my.linux.ppc.jdk7}
 jprt.my.linux.ppc=${jprt.my.linux.ppc.${jprt.tools.default.release}}
 
 jprt.my.linux.ppcv2.jdk8=linux_ppcv2_2.6
 jprt.my.linux.ppcv2.jdk7=linux_ppcv2_2.6
+jprt.my.linux.ppcv2.jdk7u4=${jprt.my.linux.ppcv2.jdk7}
 jprt.my.linux.ppcv2=${jprt.my.linux.ppcv2.${jprt.tools.default.release}}
 
 jprt.my.linux.ppcsflt.jdk8=linux_ppcsflt_2.6
 jprt.my.linux.ppcsflt.jdk7=linux_ppcsflt_2.6
+jprt.my.linux.ppcsflt.jdk7u4=${jprt.my.linux.ppcsflt.jdk7}
 jprt.my.linux.ppcsflt=${jprt.my.linux.ppcsflt.${jprt.tools.default.release}}
 
 jprt.my.linux.armvfp.jdk8=linux_armvfp_2.6
 jprt.my.linux.armvfp.jdk7=linux_armvfp_2.6
+jprt.my.linux.armvfp.jdk7u4=${jprt.my.linux.armvfp.jdk7}
 jprt.my.linux.armvfp=${jprt.my.linux.armvfp.${jprt.tools.default.release}}
 
 jprt.my.linux.armsflt.jdk8=linux_armsflt_2.6
 jprt.my.linux.armsflt.jdk7=linux_armsflt_2.6
+jprt.my.linux.armsflt.jdk7u4=${jprt.my.linux.armsflt.jdk7}
 jprt.my.linux.armsflt=${jprt.my.linux.armsflt.${jprt.tools.default.release}}
 
 jprt.my.macosx.x64.jdk8=macosx_x64_10.7
 jprt.my.macosx.x64.jdk7=macosx_x64_10.7
+jprt.my.macosx.x64.jdk7u4=${jprt.my.macosx.x64.jdk7}
 jprt.my.macosx.x64=${jprt.my.macosx.x64.${jprt.tools.default.release}}
 
 jprt.my.windows.i586.jdk8=windows_i586_5.1
 jprt.my.windows.i586.jdk7=windows_i586_5.1
+jprt.my.windows.i586.jdk7u4=${jprt.my.windows.i586.jdk7}
 jprt.my.windows.i586=${jprt.my.windows.i586.${jprt.tools.default.release}}
 
 jprt.my.windows.x64.jdk8=windows_x64_5.2
 jprt.my.windows.x64.jdk7=windows_x64_5.2
+jprt.my.windows.x64.jdk7u4=${jprt.my.windows.x64.jdk7}
 jprt.my.windows.x64=${jprt.my.windows.x64.${jprt.tools.default.release}}
 
 # Standard list of jprt build targets for this source tree
@@ -139,16 +153,7 @@ jprt.build.targets.all=${jprt.build.targets.standard}, \
 
 jprt.build.targets.jdk8=${jprt.build.targets.all}
 jprt.build.targets.jdk7=${jprt.build.targets.all}
-jprt.build.targets.jdk7temp=${jprt.build.targets.all}
+jprt.build.targets.jdk7u4=${jprt.build.targets.all}
-jprt.build.targets.jdk7b107=${jprt.build.targets.all}
-jprt.build.targets.jdk6=${jprt.build.targets.standard}
-jprt.build.targets.jdk6perf=${jprt.build.targets.standard}
-jprt.build.targets.jdk6u10=${jprt.build.targets.standard}
-jprt.build.targets.jdk6u14=${jprt.build.targets.standard}
-jprt.build.targets.jdk6u18=${jprt.build.targets.standard}
-jprt.build.targets.jdk6u20=${jprt.build.targets.standard}
-jprt.build.targets.ejdk6=${jprt.build.targets.all}
-jprt.build.targets.ejdk7=${jprt.build.targets.all}
 jprt.build.targets=${jprt.build.targets.${jprt.tools.default.release}}
 
 # Subset lists of test targets for this source tree
@@ -475,10 +480,25 @@ jprt.make.rule.test.targets.standard.internalvmtests = \
   ${jprt.my.windows.i586}-fastdebug-c2-internalvmtests, \
   ${jprt.my.windows.x64}-fastdebug-c2-internalvmtests
 
+jprt.make.rule.test.targets.standard.wbapi = \
+  ${jprt.my.solaris.sparc}-{product|fastdebug}-c2-wbapitest, \
+  ${jprt.my.solaris.sparcv9}-{product|fastdebug}-c2-wbapitest, \
+  ${jprt.my.solaris.i586}-{product|fastdebug}-c2-wbapitest, \
+  ${jprt.my.solaris.x64}-{product|fastdebug}-c2-wbapitest, \
+  ${jprt.my.linux.i586}-{product|fastdebug}-c2-wbapitest, \
+  ${jprt.my.linux.x64}-{product|fastdebug}-c2-wbapitest, \
+  ${jprt.my.windows.i586}-{product|fastdebug}-c2-wbapitest, \
+  ${jprt.my.windows.x64}-{product|fastdebug}-c2-wbapitest, \
+  ${jprt.my.solaris.sparc}-{product|fastdebug}-c1-wbapitest, \
+  ${jprt.my.solaris.i586}-{product|fastdebug}-c1-wbapitest, \
+  ${jprt.my.linux.i586}-{product|fastdebug}-c1-wbapitest, \
+  ${jprt.my.windows.i586}-{product|fastdebug}-c1-wbapitest
+
 jprt.make.rule.test.targets.standard = \
   ${jprt.make.rule.test.targets.standard.client}, \
   ${jprt.make.rule.test.targets.standard.server}, \
-  ${jprt.make.rule.test.targets.standard.internalvmtests}
+  ${jprt.make.rule.test.targets.standard.internalvmtests}, \
+  ${jprt.make.rule.test.targets.standard.wbapi}
 
 jprt.make.rule.test.targets.embedded = \
   ${jprt.make.rule.test.targets.standard.client}

hotspot/make/linux/makefiles/defs.make

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2006, 2011, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2006, 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
@@ -193,6 +193,8 @@ endif
 EXPORT_SERVER_DIR = $(EXPORT_JRE_LIB_ARCH_DIR)/server
 EXPORT_CLIENT_DIR = $(EXPORT_JRE_LIB_ARCH_DIR)/client
 
+EXPORT_LIST += $(EXPORT_JRE_LIB_DIR)/wb.jar
+
 ifndef BUILD_CLIENT_ONLY
 EXPORT_LIST += $(EXPORT_SERVER_DIR)/Xusage.txt
 EXPORT_LIST += $(EXPORT_SERVER_DIR)/libjvm.$(LIBRARY_SUFFIX)

hotspot/make/linux/makefiles/vm.make

@@ -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
@@ -368,9 +368,12 @@ include $(MAKEFILES_DIR)/jsig.make
 # Serviceability agent
 include $(MAKEFILES_DIR)/saproc.make
 
+# Whitebox testing API
+include $(MAKEFILES_DIR)/wb.make
+
 #----------------------------------------------------------------------
 
-build: $(LIBJVM) $(LAUNCHER) $(LIBJSIG) $(LIBJVM_DB) $(BUILDLIBSAPROC)
+build: $(LIBJVM) $(LAUNCHER) $(LIBJSIG) $(LIBJVM_DB) $(BUILDLIBSAPROC) $(WB_JAR)
 
 install: install_jvm install_jsig install_saproc
 

hotspot/make/linux/makefiles/wb.make

@@ -0,0 +1,46 @@
+#
+# Copyright (c) 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
+# 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.
+#  
+#
+
+# Rules to build whitebox testing library, used by vm.make
+WB = wb
+
+WBSRCDIR = $(GAMMADIR)/src/share/tools/whitebox
+
+WB_JAR = $(GENERATED)/$(WB).jar
+
+WB_JAVA_SRCS = $(shell find $(WBSRCDIR) -name '*.java')
+WB_JAVA_CLASSDIR = $(GENERATED)/wb/classes
+
+WB_JAVA_CLASSES  = $(patsubst $(WBSRCDIR)/%,$(WB_JAVA_CLASSDIR)/%, \
+	$(patsubst %.java,%.class,$(WB_JAVA_SRCS)))
+
+$(WB_JAVA_CLASSDIR)/%.class: $(WBSRCDIR)/%.java $(WB_JAVA_CLASSDIR)
+	$(REMOTE) $(COMPILE.JAVAC) -nowarn -d $(WB_JAVA_CLASSDIR) $<
+
+$(WB_JAR): $(WB_JAVA_CLASSES)
+	$(QUIETLY) $(REMOTE) $(RUN.JAR) cf $@ -C $(WB_JAVA_CLASSDIR)/ .
+
+$(WB_JAVA_CLASSDIR):
+	$(QUIETLY) mkdir -p $@
+

hotspot/make/solaris/makefiles/defs.make

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2006, 2011, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2006, 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
@@ -148,6 +148,8 @@ ifneq ($(OBJCOPY),)
   EXPORT_LIST += $(EXPORT_JRE_LIB_ARCH_DIR)/libjsig.debuginfo
 endif
 
+EXPORT_LIST += $(EXPORT_JRE_LIB_DIR)/wb.jar
+
 EXPORT_SERVER_DIR = $(EXPORT_JRE_LIB_ARCH_DIR)/server
 EXPORT_CLIENT_DIR = $(EXPORT_JRE_LIB_ARCH_DIR)/client
 

hotspot/make/solaris/makefiles/vm.make

@@ -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
@@ -321,9 +321,12 @@ include $(MAKEFILES_DIR)/jsig.make
 # Serviceability agent
 include $(MAKEFILES_DIR)/saproc.make
 
+# Whitebox testing API
+include $(MAKEFILES_DIR)/wb.make
+
 #----------------------------------------------------------------------
 
-build: $(LIBJVM) $(LAUNCHER) $(LIBJSIG) $(LIBJVM_DB) $(LIBJVM_DTRACE) $(BUILDLIBSAPROC) dtraceCheck
+build: $(LIBJVM) $(LAUNCHER) $(LIBJSIG) $(LIBJVM_DB) $(LIBJVM_DTRACE) $(BUILDLIBSAPROC) dtraceCheck $(WB_JAR)
 
 install: install_jvm install_jsig install_saproc
 

hotspot/make/solaris/makefiles/wb.make

@@ -0,0 +1,46 @@
+#
+# Copyright (c) 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
+# 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.
+#
+
+# Rules to build whitebox testing library, used by vm.make
+
+WB = wb
+
+WBSRCDIR = $(GAMMADIR)/src/share/tools/whitebox
+
+WB_JAR = $(GENERATED)/$(WB).jar
+
+WB_JAVA_SRCS = $(shell find $(WBSRCDIR) -name '*.java')
+WB_JAVA_CLASSDIR = $(GENERATED)/wb/classes
+
+WB_JAVA_CLASSES  = $(patsubst $(WBSRCDIR)/%,$(WB_JAVA_CLASSDIR)/%, \
+	$(patsubst %.java,%.class,$(WB_JAVA_SRCS)))
+
+$(WB_JAVA_CLASSDIR)/%.class: $(WBSRCDIR)/%.java $(WB_JAVA_CLASSDIR)
+	$(REMOTE) $(COMPILE.JAVAC) -nowarn -d $(WB_JAVA_CLASSDIR) $<
+
+$(WB_JAR): $(WB_JAVA_CLASSES)
+	$(QUIETLY) $(REMOTE) $(RUN.JAR) cf $@ -C $(WB_JAVA_CLASSDIR)/ .
+
+$(WB_JAVA_CLASSDIR):
+	$(QUIETLY) mkdir -p $@
+

hotspot/make/windows/makefiles/debug.make

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 1997, 2010, 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
@@ -33,7 +33,7 @@ GENERATED=../generated
 BUILD_PCH_FILE=_build_pch_file.obj
 !endif
 
-default:: $(BUILD_PCH_FILE) $(AOUT) launcher checkAndBuildSA
+default:: $(BUILD_PCH_FILE) $(AOUT) launcher checkAndBuildSA wb
 
 !include ../local.make
 !include compile.make
@@ -65,3 +65,4 @@ $(AOUT): $(Res_Files) $(Obj_Files) vm.def
 !include $(WorkSpace)/make/windows/makefiles/shared.make
 !include $(WorkSpace)/make/windows/makefiles/sa.make
 !include $(WorkSpace)/make/windows/makefiles/launcher.make
+!include $(WorkSpace)/make/windows/makefiles/wb.make

hotspot/make/windows/makefiles/defs.make

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2006, 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
@@ -194,6 +194,8 @@ ifeq ($(ARCH_DATA_MODEL), 32)
   EXPORT_LIST += $(EXPORT_KERNEL_DIR)/jvm.map
 endif
 
+EXPORT_LIST += $(EXPORT_JRE_LIB_DIR)/wb.jar
+
 ifeq ($(BUILD_WIN_SA), 1)
   EXPORT_LIST += $(EXPORT_JRE_BIN_DIR)/sawindbg.$(LIBRARY_SUFFIX)
   EXPORT_LIST += $(EXPORT_JRE_BIN_DIR)/sawindbg.pdb

hotspot/make/windows/makefiles/fastdebug.make

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2005, 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
@@ -33,7 +33,7 @@ GENERATED=../generated
 BUILD_PCH_FILE=_build_pch_file.obj
 !endif
 
-default:: $(BUILD_PCH_FILE) $(AOUT) launcher checkAndBuildSA
+default:: $(BUILD_PCH_FILE) $(AOUT) launcher checkAndBuildSA wb
 
 !include ../local.make
 !include compile.make
@@ -65,3 +65,4 @@ $(AOUT): $(Res_Files) $(Obj_Files) vm.def
 !include $(WorkSpace)/make/windows/makefiles/shared.make
 !include $(WorkSpace)/make/windows/makefiles/sa.make
 !include $(WorkSpace)/make/windows/makefiles/launcher.make
+!include $(WorkSpace)/make/windows/makefiles/wb.make

hotspot/make/windows/makefiles/product.make

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2005, 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
@@ -32,7 +32,7 @@ GENERATED=../generated
 BUILD_PCH_FILE=_build_pch_file.obj
 !endif
 
-default:: $(BUILD_PCH_FILE) $(AOUT) launcher checkAndBuildSA
+default:: $(BUILD_PCH_FILE) $(AOUT) launcher checkAndBuildSA wb
 
 !include ../local.make
 !include compile.make
@@ -76,3 +76,4 @@ $(AOUT): $(Res_Files) $(Obj_Files) vm.def
 !include $(WorkSpace)/make/windows/makefiles/shared.make
 !include $(WorkSpace)/make/windows/makefiles/sa.make
 !include $(WorkSpace)/make/windows/makefiles/launcher.make
+!include $(WorkSpace)/make/windows/makefiles/wb.make

hotspot/make/windows/makefiles/wb.make

@@ -0,0 +1,54 @@
+#
+# Copyright (c) 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
+# 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.
+#  
+#
+
+# This makefile is used to build the whitebox testing lib
+# and compile the tests which use it
+
+!include $(WorkSpace)/make/windows/makefiles/rules.make
+
+WBSRCDIR = $(WorkSpace)/src/share/tools/whitebox
+
+# turn GENERATED into a windows path to get sane dependencies
+WB_CLASSES=$(GENERATED:/=\)\wb\classes
+WB_JAR=$(GENERATED:/=\)\wb.jar
+
+# call recursive make to do wildcard expansion
+.SUFFIXES : .java .class
+wb_java_srcs: $(WorkSpace)\src\share\tools\whitebox\sun\hotspot\*.java $(WB_CLASSES)
+	$(MAKE) -f $(WorkSpace)\make\windows\makefiles\$(BUILD_FLAVOR).make $(**:.java=.class)
+
+
+{$(WorkSpace)\src\share\tools\whitebox\sun\hotspot}.java.class::
+	$(COMPILE_JAVAC) -d $(WB_CLASSES) $<
+
+$(WB_JAR): wb_java_srcs
+	$(RUN_JAR) cf $@ -C $(WB_CLASSES) .
+
+# turn $@ to a unix path because mkdir in PATH is cygwin/mks mkdir
+$(WB_CLASSES):
+	mkdir -p $(@:\=/)
+
+# main target to build wb
+wb: $(WB_JAR)
+

hotspot/src/cpu/sparc/vm/assembler_sparc.hpp

@@ -2221,7 +2221,7 @@ public:
   // traps as per trap.h (SPARC ABI?)
 
   void breakpoint_trap();
-  void breakpoint_trap(Condition c, CC cc = icc);
+  void breakpoint_trap(Condition c, CC cc);
   void flush_windows_trap();
   void clean_windows_trap();
   void get_psr_trap();

hotspot/src/cpu/sparc/vm/cppInterpreter_sparc.cpp

@@ -1187,7 +1187,7 @@ void CppInterpreterGenerator::generate_compute_interpreter_state(const Register
 
   #ifdef ASSERT
     __ tst(O1);
-    __ breakpoint_trap(Assembler::zero);
+    __ breakpoint_trap(Assembler::zero, Assembler::ptr_cc);
   #endif // ASSERT
 
     const int entry_size            = frame::interpreter_frame_monitor_size() * wordSize;

hotspot/src/cpu/sparc/vm/sharedRuntime_sparc.cpp

@@ -3325,7 +3325,7 @@ static void gen_new_frame(MacroAssembler* masm, bool deopt) {
   // make sure that the frames are aligned properly
 #ifndef _LP64
   __ btst(wordSize*2-1, SP);
-  __ breakpoint_trap(Assembler::notZero);
+  __ breakpoint_trap(Assembler::notZero, Assembler::ptr_cc);
 #endif
   #endif
 
@@ -3407,7 +3407,7 @@ static void make_new_frames(MacroAssembler* masm, bool deopt) {
 #ifdef ASSERT
   // make sure that there is at least one entry in the array
   __ tst(O4array_size);
-  __ breakpoint_trap(Assembler::zero);
+  __ breakpoint_trap(Assembler::zero, Assembler::icc);
 #endif
 
   // Now push the new interpreter frames

hotspot/src/cpu/sparc/vm/sparc.ad

@@ -1832,6 +1832,8 @@ const bool Matcher::match_rule_supported(int opcode) {
   case Op_CountLeadingZerosL:
   case Op_CountTrailingZerosI:
   case Op_CountTrailingZerosL:
+  case Op_PopCountI:
+  case Op_PopCountL:
     if (!UsePopCountInstruction)
       return false;
     break;

hotspot/src/cpu/sparc/vm/templateInterpreter_sparc.cpp

@@ -379,7 +379,7 @@ void InterpreterGenerator::lock_method(void) {
 
 #ifdef ASSERT
     __ tst(O0);
-    __ breakpoint_trap(Assembler::zero);
+    __ breakpoint_trap(Assembler::zero, Assembler::ptr_cc);
 #endif // ASSERT
 
     __ bind(done);
@@ -2050,7 +2050,7 @@ void TemplateInterpreterGenerator::stop_interpreter_at() {
   AddressLiteral stop_at(&StopInterpreterAt);
   __ load_ptr_contents(stop_at, G4_scratch);
   __ cmp(G3_scratch, G4_scratch);
-  __ breakpoint_trap(Assembler::equal);
+  __ breakpoint_trap(Assembler::equal, Assembler::icc);
 }
 #endif // not PRODUCT
 #endif // !CC_INTERP

hotspot/src/cpu/x86/vm/x86_32.ad

@@ -1293,6 +1293,14 @@ const bool Matcher::match_rule_supported(int opcode) {
   if (!has_match_rule(opcode))
     return false;
 
+  switch (opcode) {
+    case Op_PopCountI:
+    case Op_PopCountL:
+      if (!UsePopCountInstruction)
+        return false;
+    break;
+  }
+  
   return true;  // Per default match rules are supported.
 }
 

hotspot/src/cpu/x86/vm/x86_64.ad

@@ -1714,6 +1714,14 @@ const bool Matcher::match_rule_supported(int opcode) {
   if (!has_match_rule(opcode))
     return false;
 
+  switch (opcode) {
+    case Op_PopCountI:
+    case Op_PopCountL:
+      if (!UsePopCountInstruction)
+        return false;
+    break;
+  }
+
   return true;  // Per default match rules are supported.
 }
 

hotspot/src/os/linux/vm/os_linux.cpp

@@ -2547,8 +2547,15 @@ void os::realign_memory(char *addr, size_t bytes, size_t alignment_hint) {
 }
 
 void os::free_memory(char *addr, size_t bytes, size_t alignment_hint) {
+  // This method works by doing an mmap over an existing mmaping and effectively discarding
+  // the existing pages. However it won't work for SHM-based large pages that cannot be
+  // uncommitted at all. We don't do anything in this case to avoid creating a segment with
+  // small pages on top of the SHM segment. This method always works for small pages, so we
+  // allow that in any case.
+  if (alignment_hint <= (size_t)os::vm_page_size() || !UseSHM) {
     commit_memory(addr, bytes, alignment_hint, false);
   }
+}
 
 void os::numa_make_global(char *addr, size_t bytes) {
   Linux::numa_interleave_memory(addr, bytes);

hotspot/src/share/tools/whitebox/sun/hotspot/WhiteBox.java

@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 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
+ * 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.hotspot;
+import java.security.BasicPermission;
+
+public class WhiteBox {
+
+  @SuppressWarnings("serial")
+  public static class WhiteBoxPermission extends BasicPermission {
+    public WhiteBoxPermission(String s) {
+      super(s);
+    }
+  }
+
+  private WhiteBox() {}
+  private static final WhiteBox instance = new WhiteBox();
+  private static native void registerNatives();
+
+  /**
+   * Returns the singleton WhiteBox instance.
+   *
+   * The returned WhiteBox object should be carefully guarded
+   * by the caller, since it can be used to read and write data
+   * at arbitrary memory addresses. It must never be passed to
+   * untrusted code.
+   */
+  public synchronized static WhiteBox getWhiteBox() {
+    SecurityManager sm = System.getSecurityManager();
+    if (sm != null) {
+      sm.checkPermission(new WhiteBoxPermission("getInstance"));
+    }
+    return instance;
+  }
+
+  static {
+    registerNatives();
+  }
+
+  // Memory
+  public native long getObjectAddress(Object o);
+  public native int  getHeapOopSize();
+
+  // G1
+  public native boolean g1InConcurrentMark();
+  public native boolean g1IsHumongous(Object o);
+  public native long    g1NumFreeRegions();
+  public native int     g1RegionSize();
+}

hotspot/src/share/vm/c1/c1_GraphBuilder.cpp

@@ -1306,6 +1306,7 @@ void GraphBuilder::table_switch() {
       if (sw.dest_offset_at(i) < 0) has_bb = true;
     }
     // add default successor
+    if (sw.default_offset() < 0) has_bb = true;
     sux->at_put(i, block_at(bci() + sw.default_offset()));
     ValueStack* state_before = has_bb ? copy_state_before() : NULL;
     Instruction* res = append(new TableSwitch(ipop(), sux, sw.low_key(), state_before, has_bb));
@@ -1350,6 +1351,7 @@ void GraphBuilder::lookup_switch() {
       keys->at_put(i, pair.match());
     }
     // add default successor
+    if (sw.default_offset() < 0) has_bb = true;
     sux->at_put(i, block_at(bci() + sw.default_offset()));
     ValueStack* state_before = has_bb ? copy_state_before() : NULL;
     Instruction* res = append(new LookupSwitch(ipop(), sux, keys, state_before, has_bb));

hotspot/src/share/vm/gc_implementation/g1/g1MonitoringSupport.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
@@ -44,8 +44,10 @@ G1YoungGenerationCounters::G1YoungGenerationCounters(G1MonitoringSupport* g1mm,
                G1MonitoringSupport::pad_capacity(0, 3) /* min_capacity */,
                G1MonitoringSupport::pad_capacity(g1mm->young_gen_max(), 3),
                G1MonitoringSupport::pad_capacity(0, 3) /* curr_capacity */) {
+  if (UsePerfData) {
     update_all();
   }
+}
 
 G1OldGenerationCounters::G1OldGenerationCounters(G1MonitoringSupport* g1mm,
                                                  const char* name)
@@ -53,8 +55,10 @@ G1OldGenerationCounters::G1OldGenerationCounters(G1MonitoringSupport* g1mm,
                G1MonitoringSupport::pad_capacity(0) /* min_capacity */,
                G1MonitoringSupport::pad_capacity(g1mm->old_gen_max()),
                G1MonitoringSupport::pad_capacity(0) /* curr_capacity */) {
+  if (UsePerfData) {
     update_all();
   }
+}
 
 void G1YoungGenerationCounters::update_all() {
   size_t committed =
@@ -149,10 +153,6 @@ G1MonitoringSupport::G1MonitoringSupport(G1CollectedHeap* g1h) :
     pad_capacity(0) /* max_capacity */,
     pad_capacity(0) /* init_capacity */,
     _young_collection_counters);
-  // Given that this survivor space is not used, we update it here
-  // once to reflect that its used space is 0 so that we don't have to
-  // worry about updating it again later.
-  _from_counters->update_used(0);
 
   //  name "generation.0.space.2"
   // See _old_space_counters for additional counters
@@ -160,6 +160,13 @@ G1MonitoringSupport::G1MonitoringSupport(G1CollectedHeap* g1h) :
     pad_capacity(overall_reserved()) /* max_capacity */,
     pad_capacity(survivor_space_committed()) /* init_capacity */,
     _young_collection_counters);
+
+  if (UsePerfData) {
+    // Given that this survivor space is not used, we update it here
+    // once to reflect that its used space is 0 so that we don't have to
+    // worry about updating it again later.
+    _from_counters->update_used(0);
+  }
 }
 
 void G1MonitoringSupport::recalculate_sizes() {

hotspot/src/share/vm/gc_implementation/g1/survRateGroup.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 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
@@ -38,33 +38,36 @@ SurvRateGroup::SurvRateGroup(G1CollectorPolicy* g1p,
     _summary_surv_rates(NULL),
     _surv_rate(NULL),
     _accum_surv_rate_pred(NULL),
-    _surv_rate_pred(NULL)
+    _surv_rate_pred(NULL),
-{
+    _stats_arrays_length(0) {
   reset();
   if (summary_surv_rates_len > 0) {
     size_t length = summary_surv_rates_len;
     _summary_surv_rates = NEW_C_HEAP_ARRAY(NumberSeq*, length);
-    if (_summary_surv_rates == NULL) {
+    for (size_t i = 0; i < length; ++i) {
-      vm_exit_out_of_memory(sizeof(NumberSeq*) * length,
-                            "Not enough space for surv rate summary");
-    }
-    for (size_t i = 0; i < length; ++i)
       _summary_surv_rates[i] = new NumberSeq();
     }
+  }
 
   start_adding_regions();
 }
 
-
+void SurvRateGroup::reset() {
-void SurvRateGroup::reset()
-{
   _all_regions_allocated = 0;
   _setup_seq_num         = 0;
-  _stats_arrays_length   = 0;
   _accum_surv_rate       = 0.0;
   _last_pred             = 0.0;
   // the following will set up the arrays with length 1
   _region_num            = 1;
+
+  // The call to stop_adding_regions() will use "new" to refill
+  // the _surv_rate_pred array, so we need to make sure to call
+  // "delete".
+  for (size_t i = 0; i < _stats_arrays_length; ++i) {
+    delete _surv_rate_pred[i];
+  }
+  _stats_arrays_length = 0;
+
   stop_adding_regions();
   guarantee( _stats_arrays_length == 1, "invariant" );
   guarantee( _surv_rate_pred[0] != NULL, "invariant" );
@@ -73,73 +76,48 @@ void SurvRateGroup::reset()
   _region_num = 0;
 }
 
-
 void
 SurvRateGroup::start_adding_regions() {
   _setup_seq_num   = _stats_arrays_length;
   _region_num      = 0;
   _accum_surv_rate = 0.0;
-
-#if 0
-  gclog_or_tty->print_cr("[%s] start adding regions, seq num %d, length %d",
-                         _name, _setup_seq_num, _region_num);
-#endif // 0
 }
 
 void
 SurvRateGroup::stop_adding_regions() {
-
-#if 0
-  gclog_or_tty->print_cr("[%s] stop adding regions, length %d", _name, _region_num);
-#endif // 0
-
   if (_region_num > _stats_arrays_length) {
     double* old_surv_rate = _surv_rate;
     double* old_accum_surv_rate_pred = _accum_surv_rate_pred;
     TruncatedSeq** old_surv_rate_pred = _surv_rate_pred;
 
     _surv_rate = NEW_C_HEAP_ARRAY(double, _region_num);
-    if (_surv_rate == NULL) {
-      vm_exit_out_of_memory(sizeof(double) * _region_num,
-                            "Not enough space for surv rate array.");
-    }
     _accum_surv_rate_pred = NEW_C_HEAP_ARRAY(double, _region_num);
-    if (_accum_surv_rate_pred == NULL) {
-      vm_exit_out_of_memory(sizeof(double) * _region_num,
-                         "Not enough space for accum surv rate pred array.");
-    }
     _surv_rate_pred = NEW_C_HEAP_ARRAY(TruncatedSeq*, _region_num);
-    if (_surv_rate == NULL) {
-      vm_exit_out_of_memory(sizeof(TruncatedSeq*) * _region_num,
-                            "Not enough space for surv rate pred array.");
-    }
 
-    for (size_t i = 0; i < _stats_arrays_length; ++i)
+    for (size_t i = 0; i < _stats_arrays_length; ++i) {
       _surv_rate_pred[i] = old_surv_rate_pred[i];
-
+    }
-#if 0
-    gclog_or_tty->print_cr("[%s] stop adding regions, new seqs %d to %d",
-                  _name, _array_length, _region_num - 1);
-#endif // 0
-
     for (size_t i = _stats_arrays_length; i < _region_num; ++i) {
       _surv_rate_pred[i] = new TruncatedSeq(10);
-      // _surv_rate_pred[i]->add(last_pred);
     }
 
     _stats_arrays_length = _region_num;
 
-    if (old_surv_rate != NULL)
+    if (old_surv_rate != NULL) {
       FREE_C_HEAP_ARRAY(double, old_surv_rate);
-    if (old_accum_surv_rate_pred != NULL)
+    }
+    if (old_accum_surv_rate_pred != NULL) {
       FREE_C_HEAP_ARRAY(double, old_accum_surv_rate_pred);
-    if (old_surv_rate_pred != NULL)
+    }
-      FREE_C_HEAP_ARRAY(NumberSeq*, old_surv_rate_pred);
+    if (old_surv_rate_pred != NULL) {
+      FREE_C_HEAP_ARRAY(TruncatedSeq*, old_surv_rate_pred);
+    }
   }
 
-  for (size_t i = 0; i < _stats_arrays_length; ++i)
+  for (size_t i = 0; i < _stats_arrays_length; ++i) {
     _surv_rate[i] = 0.0;
   }
+}
 
 double
 SurvRateGroup::accum_surv_rate(size_t adjustment) {
@@ -187,12 +165,6 @@ void
 SurvRateGroup::all_surviving_words_recorded(bool propagate) {
   if (propagate && _region_num > 0) { // conservative
     double surv_rate = _surv_rate_pred[_region_num-1]->last();
-
-#if 0
-    gclog_or_tty->print_cr("propagating %1.2lf from %d to %d",
-                  surv_rate, _curr_length, _array_length - 1);
-#endif // 0
-
     for (size_t i = _region_num; i < _stats_arrays_length; ++i) {
       guarantee( _surv_rate[i] <= 0.00001,
                  "the slot should not have been updated" );

hotspot/src/share/vm/memory/cardTableModRefBS.hpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2011, 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
@@ -72,6 +72,9 @@ class CardTableModRefBS: public ModRefBarrierSet {
     CT_MR_BS_last_reserved      = 16
   };
 
+  // a word's worth (row) of clean card values
+  static const intptr_t clean_card_row = (intptr_t)(-1);
+
   // dirty and precleaned are equivalent wrt younger_refs_iter.
   static bool card_is_dirty_wrt_gen_iter(jbyte cv) {
     return cv == dirty_card || cv == precleaned_card;

hotspot/src/share/vm/memory/cardTableRS.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 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
@@ -173,6 +173,10 @@ ClearNoncleanCardWrapper::ClearNoncleanCardWrapper(
             SharedHeap::heap()->workers()->active_workers()), "Mismatch");
 }
 
+bool ClearNoncleanCardWrapper::is_word_aligned(jbyte* entry) {
+  return (((intptr_t)entry) & (BytesPerWord-1)) == 0;
+}
+
 void ClearNoncleanCardWrapper::do_MemRegion(MemRegion mr) {
   assert(mr.word_size() > 0, "Error");
   assert(_ct->is_aligned(mr.start()), "mr.start() should be card aligned");
@@ -194,6 +198,17 @@ void ClearNoncleanCardWrapper::do_MemRegion(MemRegion mr) {
         const MemRegion mrd(start_of_non_clean, end_of_non_clean);
         _dirty_card_closure->do_MemRegion(mrd);
       }
+
+      // fast forward through potential continuous whole-word range of clean cards beginning at a word-boundary
+      if (is_word_aligned(cur_entry)) {
+        jbyte* cur_row = cur_entry - BytesPerWord;
+        while (cur_row >= limit && *((intptr_t*)cur_row) ==  CardTableRS::clean_card_row()) {
+          cur_row -= BytesPerWord;
+        }
+        cur_entry = cur_row + BytesPerWord;
+        cur_hw = _ct->addr_for(cur_entry);
+      }
+
       // Reset the dirty window, while continuing to look
       // for the next dirty card that will start a
       // new dirty window.

hotspot/src/share/vm/memory/cardTableRS.hpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 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
@@ -45,6 +45,10 @@ class CardTableRS: public GenRemSet {
     return CardTableModRefBS::clean_card;
   }
 
+  static intptr_t clean_card_row() {
+    return CardTableModRefBS::clean_card_row;
+  }
+
   static bool
   card_is_dirty_wrt_gen_iter(jbyte cv) {
     return CardTableModRefBS::card_is_dirty_wrt_gen_iter(cv);
@@ -176,6 +180,8 @@ private:
   // Work methods called by the clear_card()
   inline bool clear_card_serial(jbyte* entry);
   inline bool clear_card_parallel(jbyte* entry);
+  // check alignment of pointer
+  bool is_word_aligned(jbyte* entry);
 
 public:
   ClearNoncleanCardWrapper(DirtyCardToOopClosure* dirty_card_closure, CardTableRS* ct);

hotspot/src/share/vm/oops/arrayKlass.cpp

@@ -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
@@ -153,6 +153,7 @@ objArrayOop arrayKlass::allocate_arrayArray(int n, int length, TRAPS) {
   }
   if (length > arrayOopDesc::max_array_length(T_ARRAY)) {
     report_java_out_of_memory("Requested array size exceeds VM limit");
+    JvmtiExport::post_array_size_exhausted();
     THROW_OOP_0(Universe::out_of_memory_error_array_size());
   }
   int size = objArrayOopDesc::object_size(length);

hotspot/src/share/vm/oops/instanceKlass.cpp

@@ -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
@@ -669,6 +669,7 @@ objArrayOop instanceKlass::allocate_objArray(int n, int length, TRAPS) {
   if (length < 0) THROW_0(vmSymbols::java_lang_NegativeArraySizeException());
   if (length > arrayOopDesc::max_array_length(T_OBJECT)) {
     report_java_out_of_memory("Requested array size exceeds VM limit");
+    JvmtiExport::post_array_size_exhausted();
     THROW_OOP_0(Universe::out_of_memory_error_array_size());
   }
   int size = objArrayOopDesc::object_size(length);

hotspot/src/share/vm/oops/objArrayKlass.cpp

@@ -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
@@ -68,6 +68,7 @@ objArrayOop objArrayKlass::allocate(int length, TRAPS) {
       return a;
     } else {
       report_java_out_of_memory("Requested array size exceeds VM limit");
+      JvmtiExport::post_array_size_exhausted();
       THROW_OOP_0(Universe::out_of_memory_error_array_size());
     }
   } else {

hotspot/src/share/vm/oops/typeArrayKlass.cpp

@@ -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
@@ -93,6 +93,7 @@ typeArrayOop typeArrayKlass::allocate_common(int length, bool do_zero, TRAPS) {
       return t;
     } else {
       report_java_out_of_memory("Requested array size exceeds VM limit");
+      JvmtiExport::post_array_size_exhausted();
       THROW_OOP_0(Universe::out_of_memory_error_array_size());
     }
   } else {

hotspot/src/share/vm/opto/compile.hpp

@@ -631,7 +631,7 @@ class Compile : public Phase {
 
   // Decide how to build a call.
   // The profile factor is a discount to apply to this site's interp. profile.
-  CallGenerator*    call_generator(ciMethod* call_method, int vtable_index, bool call_is_virtual, JVMState* jvms, bool allow_inline, float profile_factor);
+  CallGenerator*    call_generator(ciMethod* call_method, int vtable_index, bool call_is_virtual, JVMState* jvms, bool allow_inline, float profile_factor, bool allow_intrinsics = true);
   bool should_delay_inlining(ciMethod* call_method, JVMState* jvms);
 
   // Report if there were too many traps at a current method and bci.

hotspot/src/share/vm/opto/doCall.cpp

@@ -61,7 +61,7 @@ void trace_type_profile(ciMethod *method, int depth, int bci, ciMethod *prof_met
 
 CallGenerator* Compile::call_generator(ciMethod* call_method, int vtable_index, bool call_is_virtual,
                                        JVMState* jvms, bool allow_inline,
-                                       float prof_factor) {
+                                       float prof_factor, bool allow_intrinsics) {
   ciMethod*       caller   = jvms->method();
   int             bci      = jvms->bci();
   Bytecodes::Code bytecode = caller->java_code_at_bci(bci);
@@ -108,7 +108,7 @@ CallGenerator* Compile::call_generator(ciMethod* call_method, int vtable_index,
   // then we return it as the inlined version of the call.
   // We do this before the strict f.p. check below because the
   // intrinsics handle strict f.p. correctly.
-  if (allow_inline) {
+  if (allow_inline && allow_intrinsics) {
     CallGenerator* cg = find_intrinsic(call_method, call_is_virtual);
     if (cg != NULL)  return cg;
   }
@@ -455,21 +455,12 @@ void Parse::do_call() {
     // cg->generate(), we are committed.  If it fails, the whole
     // compilation task is compromised.
     if (failing())  return;
-#ifndef PRODUCT
+
-    if (PrintOpto || PrintOptoInlining || PrintInlining) {
-      // Only one fall-back, so if an intrinsic fails, ignore any bytecodes.
-      if (cg->is_intrinsic() && call_method->code_size() > 0) {
-        tty->print("Bailed out of intrinsic, will not inline: ");
-        call_method->print_name(); tty->cr();
-      }
-    }
-#endif
     // This can happen if a library intrinsic is available, but refuses
     // the call site, perhaps because it did not match a pattern the
-    // intrinsic was expecting to optimize.  The fallback position is
+    // intrinsic was expecting to optimize. Should always be possible to
-    // to call out-of-line.
+    // get a normal java call that may inline in that case
-    try_inline = false;  // Inline tactic bailed out.
+    cg = C->call_generator(call_method, vtable_index, call_is_virtual, jvms, try_inline, prof_factor(), /* allow_intrinsics= */ false);
-    cg = C->call_generator(call_method, vtable_index, call_is_virtual, jvms, try_inline, prof_factor());
     if ((new_jvms = cg->generate(jvms)) == NULL) {
       guarantee(failing(), "call failed to generate:  calls should work");
       return;

hotspot/src/share/vm/opto/library_call.cpp

@@ -338,8 +338,27 @@ CallGenerator* Compile::make_vm_intrinsic(ciMethod* m, bool is_virtual) {
     break;
 
   case vmIntrinsics::_bitCount_i:
+    if (!Matcher::match_rule_supported(Op_PopCountI)) return NULL;
+    break;
+
   case vmIntrinsics::_bitCount_l:
-    if (!UsePopCountInstruction)  return NULL;
+    if (!Matcher::match_rule_supported(Op_PopCountL)) return NULL;
+    break;
+
+  case vmIntrinsics::_numberOfLeadingZeros_i:
+    if (!Matcher::match_rule_supported(Op_CountLeadingZerosI)) return NULL;
+    break;
+
+  case vmIntrinsics::_numberOfLeadingZeros_l:
+    if (!Matcher::match_rule_supported(Op_CountLeadingZerosL)) return NULL;
+    break;
+
+  case vmIntrinsics::_numberOfTrailingZeros_i:
+    if (!Matcher::match_rule_supported(Op_CountTrailingZerosI)) return NULL;
+    break;
+
+  case vmIntrinsics::_numberOfTrailingZeros_l:
+    if (!Matcher::match_rule_supported(Op_CountTrailingZerosL)) return NULL;
     break;
 
   case vmIntrinsics::_Reference_get:
@@ -416,14 +435,12 @@ JVMState* LibraryIntrinsic::generate(JVMState* jvms) {
     return kit.transfer_exceptions_into_jvms();
   }
 
-  if (PrintIntrinsics) {
+  // The intrinsic bailed out
+  if (PrintIntrinsics || PrintInlining NOT_PRODUCT( || PrintOptoInlining) ) {
     if (jvms->has_method()) {
       // Not a root compile.
-      tty->print("Did not inline intrinsic %s%s at bci:%d in",
+      const char* msg = is_virtual() ? "failed to inline (intrinsic, virtual)" : "failed to inline (intrinsic)";
-                 vmIntrinsics::name_at(intrinsic_id()),
+      CompileTask::print_inlining(kit.callee(), jvms->depth() - 1, kit.bci(), msg);
-                 (is_virtual() ? " (virtual)" : ""), kit.bci());
-      kit.caller()->print_short_name(tty);
-      tty->print_cr(" (%d bytes)", kit.caller()->code_size());
     } else {
       // Root compile
       tty->print("Did not generate intrinsic %s%s at bci:%d in",
@@ -5453,4 +5470,3 @@ bool LibraryCallKit::inline_reference_get() {
   push(result);
   return true;
 }
-

hotspot/src/share/vm/prims/jvmtiClassFileReconstituter.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 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
@@ -727,8 +727,11 @@ void JvmtiClassFileReconstituter::copy_bytecodes(methodHandle mh,
       case Bytecodes::_invokestatic    :  // fall through
       case Bytecodes::_invokedynamic   :  // fall through
       case Bytecodes::_invokeinterface :
-        assert(len == 3 || (code == Bytecodes::_invokeinterface && len ==5),
+        assert(len == 3 ||
+               (code == Bytecodes::_invokeinterface && len == 5) ||
+               (code == Bytecodes::_invokedynamic   && len == 5),
                "sanity check");
+
         int cpci = Bytes::get_native_u2(bcp+1);
         bool is_invokedynamic = (EnableInvokeDynamic && code == Bytecodes::_invokedynamic);
         if (is_invokedynamic)

hotspot/src/share/vm/prims/jvmtiExport.hpp

@@ -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
@@ -324,6 +324,12 @@ class JvmtiExport : public AllStatic {
       record_vm_internal_object_allocation(object);
     }
   }
+  inline static void post_array_size_exhausted() {
+    if (should_post_resource_exhausted()) {
+      post_resource_exhausted(JVMTI_RESOURCE_EXHAUSTED_OOM_ERROR,
+                              "Requested array size exceeds VM limit");
+    }
+  }
 
   static void cleanup_thread             (JavaThread* thread) KERNEL_RETURN;
 

hotspot/src/share/vm/prims/nativeLookup.cpp

@@ -121,6 +121,7 @@ extern "C" {
   void JNICALL JVM_RegisterUnsafeMethods(JNIEnv *env, jclass unsafecls);
   void JNICALL JVM_RegisterMethodHandleMethods(JNIEnv *env, jclass unsafecls);
   void JNICALL JVM_RegisterPerfMethods(JNIEnv *env, jclass perfclass);
+  void JNICALL JVM_RegisterWhiteBoxMethods(JNIEnv *env, jclass wbclass);
 }
 
 #define CC (char*)  /* cast a literal from (const char*) */
@@ -133,7 +134,8 @@ static JNINativeMethod lookup_special_native_methods[] = {
 
   { CC"Java_sun_misc_Unsafe_registerNatives",                      NULL, FN_PTR(JVM_RegisterUnsafeMethods)       },
   { CC"Java_java_lang_invoke_MethodHandleNatives_registerNatives", NULL, FN_PTR(JVM_RegisterMethodHandleMethods) },
-  { CC"Java_sun_misc_Perf_registerNatives",                        NULL, FN_PTR(JVM_RegisterPerfMethods)         }
+  { CC"Java_sun_misc_Perf_registerNatives",                        NULL, FN_PTR(JVM_RegisterPerfMethods)         },
+  { CC"Java_sun_hotspot_WhiteBox_registerNatives",                 NULL, FN_PTR(JVM_RegisterWhiteBoxMethods)     },
 };
 
 static address lookup_special_native(char* jni_name) {

hotspot/src/share/vm/prims/whitebox.cpp

@@ -0,0 +1,114 @@
+/*
+ * Copyright (c) 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
+ * 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 "jni.h"
+
+#include "memory/universe.hpp"
+#include "oops/oop.inline.hpp"
+#include "prims/whitebox.hpp"
+#include "runtime/interfaceSupport.hpp"
+#include "runtime/os.hpp"
+#include "utilities/debug.hpp"
+
+#ifndef SERIALGC
+#include "gc_implementation/g1/concurrentMark.hpp"
+#include "gc_implementation/g1/g1CollectedHeap.inline.hpp"
+#include "gc_implementation/g1/heapRegionRemSet.hpp"
+#endif // !SERIALGC
+
+bool WhiteBox::_used = false;
+
+// Entry macro to transition from JNI to VM state.
+
+#define WB_ENTRY(result_type, header) JNI_ENTRY(result_type, header)
+#define WB_END JNI_END
+
+// Definitions of functions exposed via Whitebox API
+
+WB_ENTRY(jlong, WB_GetObjectAddress(JNIEnv* env, jobject o, jobject obj))
+  return (jlong)(void*)JNIHandles::resolve(obj);
+WB_END
+
+WB_ENTRY(jint, WB_GetHeapOopSize(JNIEnv* env, jobject o))
+  return heapOopSize;
+WB_END
+
+#ifndef SERIALGC
+WB_ENTRY(jboolean, WB_G1IsHumongous(JNIEnv* env, jobject o, jobject obj))
+  G1CollectedHeap* g1 = G1CollectedHeap::heap();
+  oop result = JNIHandles::resolve(obj);
+  const HeapRegion* hr = g1->heap_region_containing(result);
+  return hr->isHumongous();
+WB_END
+
+WB_ENTRY(jlong, WB_G1NumFreeRegions(JNIEnv* env, jobject o))
+  G1CollectedHeap* g1 = G1CollectedHeap::heap();
+  size_t nr = g1->free_regions();
+  return (jlong)nr;
+WB_END
+
+WB_ENTRY(jboolean, WB_G1InConcurrentMark(JNIEnv* env, jobject o))
+  G1CollectedHeap* g1 = G1CollectedHeap::heap();
+  ConcurrentMark* cm = g1->concurrent_mark();
+  return cm->concurrent_marking_in_progress();
+WB_END
+
+WB_ENTRY(jint, WB_G1RegionSize(JNIEnv* env, jobject o))
+  return (jint)HeapRegion::GrainBytes;
+WB_END
+#endif // !SERIALGC
+
+#define CC (char*)
+
+static JNINativeMethod methods[] = {
+  {CC"getObjectAddress",   CC"(Ljava/lang/Object;)J", (void*)&WB_GetObjectAddress  },
+  {CC"getHeapOopSize",     CC"()I",                   (void*)&WB_GetHeapOopSize    },
+#ifndef SERIALGC
+  {CC"g1InConcurrentMark", CC"()Z",                   (void*)&WB_G1InConcurrentMark},
+  {CC"g1IsHumongous",      CC"(Ljava/lang/Object;)Z", (void*)&WB_G1IsHumongous     },
+  {CC"g1NumFreeRegions",   CC"()J",                   (void*)&WB_G1NumFreeRegions  },
+  {CC"g1RegionSize",       CC"()I",                   (void*)&WB_G1RegionSize      },
+#endif // !SERIALGC
+};
+
+#undef CC
+
+JVM_ENTRY(void, JVM_RegisterWhiteBoxMethods(JNIEnv* env, jclass wbclass))
+  {
+    if (WhiteBoxAPI) {
+      // Make sure that wbclass is loaded by the null classloader
+      instanceKlassHandle ikh = instanceKlassHandle(JNIHandles::resolve(wbclass)->klass());
+      Handle loader(ikh->class_loader());
+      if (loader.is_null()) {
+        ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI
+        jint result = env->RegisterNatives(wbclass, methods, sizeof(methods)/sizeof(methods[0]));
+        if (result == 0) {
+          WhiteBox::set_used();
+        }
+      }
+    }
+  }
+JVM_END

hotspot/src/share/vm/prims/whitebox.hpp

@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 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
+ * 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_PRIMS_WHITEBOX_HPP
+#define SHARE_VM_PRIMS_WHITEBOX_HPP
+
+class WhiteBox : public AllStatic {
+ private:
+  static bool _used;
+ public:
+  static bool used()     { return _used; }
+  static void set_used() { _used = true; }
+};
+
+#endif // SHARE_VM_PRIMS_WHITEBOX_HPP

hotspot/src/share/vm/runtime/arguments.cpp

@@ -2050,6 +2050,19 @@ jint Arguments::parse_vm_init_args(const JavaVMInitArgs* args) {
     FREE_C_HEAP_ARRAY(char, altclasses_path);
   }
 
+  if (WhiteBoxAPI) {
+    // Append wb.jar to bootclasspath if enabled
+    const char* wb_jar = "wb.jar";
+    size_t wb_path_len = strlen(get_meta_index_dir()) + 1 +
+                         strlen(wb_jar);
+    char* wb_path = NEW_C_HEAP_ARRAY(char, wb_path_len);
+    strcpy(wb_path, get_meta_index_dir());
+    strcat(wb_path, wb_jar);
+    scp.add_suffix(wb_path);
+    scp_assembly_required = true;
+    FREE_C_HEAP_ARRAY(char, wb_path);
+  }
+
   // Parse _JAVA_OPTIONS environment variable (if present) (mimics classic VM)
   result = parse_java_options_environment_variable(&scp, &scp_assembly_required);
   if (result != JNI_OK) {

hotspot/src/share/vm/runtime/globals.hpp

@@ -3896,7 +3896,10 @@ class CommandLineFlags {
   product(bool, UseVMInterruptibleIO, false,                                \
           "(Unstable, Solaris-specific) Thread interrupt before or with "   \
           "EINTR for I/O operations results in OS_INTRPT. The default value"\
-          " of this flag is true for JDK 6 and earlier")
+          " of this flag is true for JDK 6 and earlier")                    \
+                                                                            \
+  diagnostic(bool, WhiteBoxAPI, false,                                      \
+          "Enable internal testing APIs")
 
 /*
  *  Macros for factoring of globals

hotspot/src/share/vm/runtime/safepoint.cpp

@@ -219,6 +219,8 @@ void SafepointSynchronize::begin() {
 #ifdef ASSERT
   for (JavaThread *cur = Threads::first(); cur != NULL; cur = cur->next()) {
     assert(cur->safepoint_state()->is_running(), "Illegal initial state");
+    // Clear the visited flag to ensure that the critical counts are collected properly.
+    cur->set_visited_for_critical_count(false);
   }
 #endif // ASSERT
 
@@ -378,6 +380,13 @@ void SafepointSynchronize::begin() {
 
   OrderAccess::fence();
 
+#ifdef ASSERT
+  for (JavaThread *cur = Threads::first(); cur != NULL; cur = cur->next()) {
+    // make sure all the threads were visited
+    assert(cur->was_visited_for_critical_count(), "missed a thread");
+  }
+#endif // ASSERT
+
   // Update the count of active JNI critical regions
   GC_locker::set_jni_lock_count(_current_jni_active_count);
 
@@ -626,6 +635,7 @@ void SafepointSynchronize::block(JavaThread *thread) {
         _waiting_to_block--;
         thread->safepoint_state()->set_has_called_back(true);
 
+        DEBUG_ONLY(thread->set_visited_for_critical_count(true));
         if (thread->in_critical()) {
           // Notice that this thread is in a critical section
           increment_jni_active_count();
@@ -907,12 +917,8 @@ void ThreadSafepointState::examine_state_of_thread() {
   // running, but are actually at a safepoint. We will happily
   // agree and update the safepoint state here.
   if (SafepointSynchronize::safepoint_safe(_thread, state)) {
-    roll_forward(_at_safepoint);
     SafepointSynchronize::check_for_lazy_critical_native(_thread, state);
-    if (_thread->in_critical()) {
+    roll_forward(_at_safepoint);
-      // Notice that this thread is in a critical section
-      SafepointSynchronize::increment_jni_active_count();
-    }
     return;
   }
 
@@ -937,6 +943,11 @@ void ThreadSafepointState::roll_forward(suspend_type type) {
   switch(_type) {
     case _at_safepoint:
       SafepointSynchronize::signal_thread_at_safepoint();
+      DEBUG_ONLY(_thread->set_visited_for_critical_count(true));
+      if (_thread->in_critical()) {
+        // Notice that this thread is in a critical section
+        SafepointSynchronize::increment_jni_active_count();
+      }
       break;
 
     case _call_back:

hotspot/src/share/vm/runtime/thread.cpp

@@ -247,6 +247,10 @@ Thread::Thread() {
   omInUseList = NULL ;
   omInUseCount = 0 ;
 
+#ifdef ASSERT
+  _visited_for_critical_count = false;
+#endif
+
   _SR_lock = new Monitor(Mutex::suspend_resume, "SR_lock", true);
   _suspend_flags = 0;
 

hotspot/src/share/vm/runtime/thread.hpp

@@ -268,6 +268,15 @@ class Thread: public ThreadShadow {
   ObjectMonitor* omInUseList;                   // SLL to track monitors in circulation
   int omInUseCount;                             // length of omInUseList
 
+#ifdef ASSERT
+ private:
+  bool _visited_for_critical_count;
+
+ public:
+  void set_visited_for_critical_count(bool z) { _visited_for_critical_count = z; }
+  bool was_visited_for_critical_count() const   { return _visited_for_critical_count; }
+#endif
+
  public:
   enum {
     is_definitely_current_thread = true

hotspot/src/share/vm/utilities/numberSeq.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 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
@@ -156,6 +156,10 @@ TruncatedSeq::TruncatedSeq(int length, double alpha):
     _sequence[i] = 0.0;
 }
 
+TruncatedSeq::~TruncatedSeq() {
+  FREE_C_HEAP_ARRAY(double, _sequence);
+}
+
 void TruncatedSeq::add(double val) {
   AbsSeq::add(val);
 

hotspot/src/share/vm/utilities/numberSeq.hpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 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
@@ -118,6 +118,7 @@ public:
   // accepts a value for L
   TruncatedSeq(int length = DefaultSeqLength,
                double alpha = DEFAULT_ALPHA_VALUE);
+  ~TruncatedSeq();
   virtual void add(double val);
   virtual double maximum() const;
   virtual double last() const; // the last value added to the sequence

hotspot/src/share/vm/utilities/vmError.cpp

@@ -25,6 +25,7 @@
 #include "precompiled.hpp"
 #include "compiler/compileBroker.hpp"
 #include "gc_interface/collectedHeap.hpp"
+#include "prims/whitebox.hpp"
 #include "runtime/arguments.hpp"
 #include "runtime/frame.inline.hpp"
 #include "runtime/init.hpp"
@@ -717,6 +718,13 @@ void VMError::report(outputStream* st) {
        st->cr();
      }
 
+  STEP(215, "(printing warning if internal testing API used)" )
+
+     if (WhiteBox::used()) {
+       st->print_cr("Unsupported internal testing APIs have been used.");
+       st->cr();
+     }
+
   STEP(220, "(printing environment variables)" )
 
      if (_verbose) {

hotspot/test/Makefile

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 1995, 2011, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 1995, 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
@@ -228,6 +228,24 @@ PHONY_LIST += internalvmtests
 
 ################################################################
 
+# wbapitest (make sure the whitebox testing api classes work
+
+wbapitest: prep $(JT_HOME) $(PRODUCT_HOME) $(JTREG)
+	$(JTREG) -a -v:fail,error               \
+          $(JTREG_KEY_OPTION)                   \
+          $(EXTRA_JTREG_OPTIONS)                \
+          -r:$(ABS_TEST_OUTPUT_DIR)/JTreport    \
+          -w:$(ABS_TEST_OUTPUT_DIR)/JTwork      \
+          -jdk:$(PRODUCT_HOME)                  \
+          $(JAVA_OPTIONS:%=-vmoption:%)         \
+          $(TEST_ROOT)/sanity                   \
+	  || $(BUNDLE_UP_FAILED)
+	$(BUNDLE_UP)
+
+PHONY_LIST += wbapitest
+
+################################################################
+
 # packtest
 
 # Expect JPRT to set JPRT_PACKTEST_HOME.

hotspot/test/sanity/WBApi.java

@@ -0,0 +1,13 @@
+/*
+ * @test WBApi
+ * @summary verify that whitebox functions can be linked and executed
+ * @run compile -J-XX:+UnlockDiagnosticVMOptions -J-XX:+WhiteBoxAPI WBApi.java
+ * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI WBApi
+ */
+
+import sun.hotspot.WhiteBox;
+public class WBApi {
+    public static void main(String... args) {
+        System.out.printf("args at: %x\n",WhiteBox.getWhiteBox().getObjectAddress(args));
+    }
+}