Merge
authorehelin
Fri, 28 Jun 2013 18:28:17 +0200
changeset 18494 05086d4c7a3a
parent 18493 752f5cbc2ba6 (current diff)
parent 18452 ce52e6a87aed (diff)
child 18495 65a0d2ae4b22
Merge
--- a/hotspot/make/bsd/makefiles/build_vm_def.sh	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/make/bsd/makefiles/build_vm_def.sh	Fri Jun 28 18:28:17 2013 +0200
@@ -7,6 +7,6 @@
 NM=nm
 fi
 
-$NM --defined-only $* | awk '
-   { if ($3 ~ /^_ZTV/ || $3 ~ /^gHotSpotVM/) print "\t" $3 ";" }
+$NM -Uj $* | awk '
+   { if ($3 ~ /^_ZTV/ || $3 ~ /^gHotSpotVM/) print "\t" $3 }
    '
--- a/hotspot/make/bsd/makefiles/gcc.make	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/make/bsd/makefiles/gcc.make	Fri Jun 28 18:28:17 2013 +0200
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -368,8 +368,8 @@
   # Standard linker flags
   LFLAGS +=
 
-  # Darwin doesn't use ELF and doesn't support version scripts
-  LDNOMAP = true
+  # The apple linker has its own variant of mapfiles/version-scripts
+  MAPFLAG = -Xlinker -exported_symbols_list -Xlinker FILENAME
 
   # Use $(SONAMEFLAG:SONAME=soname) to specify the intrinsic name of a shared obj
   SONAMEFLAG =
--- a/hotspot/make/bsd/makefiles/mapfile-vers-debug	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/make/bsd/makefiles/mapfile-vers-debug	Fri Jun 28 18:28:17 2013 +0200
@@ -1,7 +1,3 @@
-#
-# @(#)mapfile-vers-debug        1.18 07/10/25 16:47:35
-#
-
 #
 # Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
@@ -23,273 +19,244 @@
 # 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.
-#  
+#
 #
+# Only used for OSX/Darwin builds
 
 # Define public interface.
-
-SUNWprivate_1.1 {
-        global:
-                # JNI
-                JNI_CreateJavaVM;
-                JNI_GetCreatedJavaVMs;
-                JNI_GetDefaultJavaVMInitArgs;
+                # _JNI
+                _JNI_CreateJavaVM
+                _JNI_GetCreatedJavaVMs
+                _JNI_GetDefaultJavaVMInitArgs
 
-                # JVM
-                JVM_Accept;
-                JVM_ActiveProcessorCount;
-                JVM_AllocateNewArray;
-                JVM_AllocateNewObject;
-                JVM_ArrayCopy;
-                JVM_AssertionStatusDirectives;
-                JVM_Available;
-                JVM_Bind;
-                JVM_ClassDepth;
-                JVM_ClassLoaderDepth;
-                JVM_Clone;
-                JVM_Close;
-                JVM_CX8Field;
-                JVM_CompileClass;
-                JVM_CompileClasses;
-                JVM_CompilerCommand;
-                JVM_Connect;
-                JVM_ConstantPoolGetClassAt;
-                JVM_ConstantPoolGetClassAtIfLoaded;
-                JVM_ConstantPoolGetDoubleAt;
-                JVM_ConstantPoolGetFieldAt;
-                JVM_ConstantPoolGetFieldAtIfLoaded;
-                JVM_ConstantPoolGetFloatAt;
-                JVM_ConstantPoolGetIntAt;
-                JVM_ConstantPoolGetLongAt;
-                JVM_ConstantPoolGetMethodAt;
-                JVM_ConstantPoolGetMethodAtIfLoaded;
-                JVM_ConstantPoolGetMemberRefInfoAt;
-                JVM_ConstantPoolGetSize;
-                JVM_ConstantPoolGetStringAt;
-                JVM_ConstantPoolGetUTF8At;
-                JVM_CountStackFrames;
-                JVM_CurrentClassLoader;
-                JVM_CurrentLoadedClass;
-                JVM_CurrentThread;
-                JVM_CurrentTimeMillis;
-                JVM_DefineClass;
-                JVM_DefineClassWithSource;
-                JVM_DefineClassWithSourceCond;
-                JVM_DesiredAssertionStatus;
-                JVM_DisableCompiler;
-                JVM_DoPrivileged;
-                JVM_DTraceGetVersion;
-                JVM_DTraceActivate;
-                JVM_DTraceIsProbeEnabled;
-                JVM_DTraceIsSupported;
-                JVM_DTraceDispose;
-                JVM_DumpAllStacks;
-                JVM_DumpThreads;
-                JVM_EnableCompiler;
-                JVM_Exit;
-                JVM_FillInStackTrace;
-                JVM_FindClassFromClass;
-                JVM_FindClassFromClassLoader;
-                JVM_FindClassFromBootLoader;
-                JVM_FindLibraryEntry;
-                JVM_FindLoadedClass;
-                JVM_FindPrimitiveClass;
-                JVM_FindSignal;
-                JVM_FreeMemory;
-                JVM_GC;
-                JVM_GetAllThreads;
-                JVM_GetArrayElement;
-                JVM_GetArrayLength;
-                JVM_GetCPClassNameUTF;
-                JVM_GetCPFieldClassNameUTF;
-                JVM_GetCPFieldModifiers;
-                JVM_GetCPFieldNameUTF;
-                JVM_GetCPFieldSignatureUTF;
-                JVM_GetCPMethodClassNameUTF;
-                JVM_GetCPMethodModifiers;
-                JVM_GetCPMethodNameUTF;
-                JVM_GetCPMethodSignatureUTF;
-                JVM_GetCallerClass;
-                JVM_GetClassAccessFlags;
-                JVM_GetClassAnnotations;
-                JVM_GetClassCPEntriesCount;
-                JVM_GetClassCPTypes;
-                JVM_GetClassConstantPool;
-                JVM_GetClassContext;
-                JVM_GetClassDeclaredConstructors;
-                JVM_GetClassDeclaredFields;
-                JVM_GetClassDeclaredMethods;
-                JVM_GetClassFieldsCount;
-                JVM_GetClassInterfaces;
-                JVM_GetClassLoader;
-                JVM_GetClassMethodsCount;
-                JVM_GetClassModifiers;
-                JVM_GetClassName;
-                JVM_GetClassNameUTF;
-                        JVM_GetClassSignature;
-                JVM_GetClassSigners;
-                JVM_GetClassTypeAnnotations;
-                JVM_GetComponentType;
-                JVM_GetDeclaredClasses;
-                JVM_GetDeclaringClass;
-                JVM_GetEnclosingMethodInfo;
-                JVM_GetFieldAnnotations;
-                JVM_GetFieldIxModifiers;
-                JVM_GetFieldTypeAnnotations;
-                JVM_GetHostName;
-                JVM_GetInheritedAccessControlContext;
-                JVM_GetInterfaceVersion;
-                JVM_GetLastErrorString;
-                JVM_GetManagement;
-                JVM_GetMethodAnnotations;
-                JVM_GetMethodDefaultAnnotationValue;
-                JVM_GetMethodIxArgsSize;
-                JVM_GetMethodIxByteCode;
-                JVM_GetMethodIxByteCodeLength;
-                JVM_GetMethodIxExceptionIndexes;
-                JVM_GetMethodIxExceptionTableEntry;
-                JVM_GetMethodIxExceptionTableLength;
-                JVM_GetMethodIxExceptionsCount;
-                JVM_GetMethodIxLocalsCount;
-                JVM_GetMethodIxMaxStack;
-                JVM_GetMethodIxModifiers;
-                JVM_GetMethodIxNameUTF;
-                JVM_GetMethodIxSignatureUTF;
-                JVM_GetMethodParameterAnnotations;
-                JVM_GetMethodParameters;
-                JVM_GetMethodTypeAnnotations;
-                JVM_GetPrimitiveArrayElement;
-                JVM_GetProtectionDomain;
-                JVM_GetSockName;
-                JVM_GetSockOpt;
-                JVM_GetStackAccessControlContext;
-                JVM_GetStackTraceDepth;
-                JVM_GetStackTraceElement;
-                JVM_GetSystemPackage;
-                JVM_GetSystemPackages;
-                JVM_GetThreadStateNames;
-                JVM_GetThreadStateValues;
-                JVM_GetVersionInfo;
-                JVM_Halt;
-                JVM_HoldsLock;
-                JVM_IHashCode;
-                JVM_InitAgentProperties;
-                JVM_InitProperties;
-                JVM_InitializeCompiler;
-                JVM_InitializeSocketLibrary;
-                JVM_InternString;
-                JVM_Interrupt;
-                JVM_InvokeMethod;
-                JVM_IsArrayClass;
-                JVM_IsConstructorIx;
-                JVM_IsInterface;
-                JVM_IsInterrupted;
-                JVM_IsNaN;
-                JVM_IsPrimitiveClass;
-                JVM_IsSameClassPackage;
-                JVM_IsSilentCompiler;
-                JVM_IsSupportedJNIVersion;
-                JVM_IsThreadAlive;
-                JVM_IsVMGeneratedMethodIx;
-                JVM_LatestUserDefinedLoader;
-                JVM_Listen;
-                JVM_LoadClass0;
-                JVM_LoadLibrary;
-                JVM_Lseek;
-                JVM_MaxObjectInspectionAge;
-                JVM_MaxMemory;
-                JVM_MonitorNotify;
-                JVM_MonitorNotifyAll;
-                JVM_MonitorWait;
-                JVM_NanoTime;
-                JVM_NativePath;
-                JVM_NewArray;
-                JVM_NewInstanceFromConstructor;
-                JVM_NewMultiArray;
-                JVM_OnExit;
-                JVM_Open;
-                JVM_RaiseSignal;
-                JVM_RawMonitorCreate;
-                JVM_RawMonitorDestroy;
-                JVM_RawMonitorEnter;
-                JVM_RawMonitorExit;
-                JVM_Read;
-                JVM_Recv;
-                JVM_RecvFrom;
-                JVM_RegisterSignal;
-                JVM_ReleaseUTF;
-                JVM_ResolveClass;
-                JVM_ResumeThread;
-                JVM_Send;
-                JVM_SendTo;
-                JVM_SetArrayElement;
-                JVM_SetClassSigners;
-                JVM_SetLength;
-                JVM_SetPrimitiveArrayElement;
-                JVM_SetProtectionDomain;
-                JVM_SetSockOpt;
-                JVM_SetThreadPriority;
-                JVM_Sleep;
-                JVM_Socket;
-                JVM_SocketAvailable;
-                JVM_SocketClose;
-                JVM_SocketShutdown;
-                JVM_StartThread;
-                JVM_StopThread;
-                JVM_SuspendThread;
-                JVM_SupportsCX8;
-                JVM_Sync;
-                JVM_Timeout;
-                JVM_TotalMemory;
-                JVM_TraceInstructions;
-                JVM_TraceMethodCalls;
-                JVM_UnloadLibrary;
-                JVM_Write;
-                JVM_Yield;
-                JVM_handle_bsd_signal;
+                # _JVM
+                _JVM_Accept
+                _JVM_ActiveProcessorCount
+                _JVM_AllocateNewArray
+                _JVM_AllocateNewObject
+                _JVM_ArrayCopy
+                _JVM_AssertionStatusDirectives
+                _JVM_Available
+                _JVM_Bind
+                _JVM_ClassDepth
+                _JVM_ClassLoaderDepth
+                _JVM_Clone
+                _JVM_Close
+                _JVM_CX8Field
+                _JVM_CompileClass
+                _JVM_CompileClasses
+                _JVM_CompilerCommand
+                _JVM_Connect
+                _JVM_ConstantPoolGetClassAt
+                _JVM_ConstantPoolGetClassAtIfLoaded
+                _JVM_ConstantPoolGetDoubleAt
+                _JVM_ConstantPoolGetFieldAt
+                _JVM_ConstantPoolGetFieldAtIfLoaded
+                _JVM_ConstantPoolGetFloatAt
+                _JVM_ConstantPoolGetIntAt
+                _JVM_ConstantPoolGetLongAt
+                _JVM_ConstantPoolGetMethodAt
+                _JVM_ConstantPoolGetMethodAtIfLoaded
+                _JVM_ConstantPoolGetMemberRefInfoAt
+                _JVM_ConstantPoolGetSize
+                _JVM_ConstantPoolGetStringAt
+                _JVM_ConstantPoolGetUTF8At
+                _JVM_CountStackFrames
+                _JVM_CurrentClassLoader
+                _JVM_CurrentLoadedClass
+                _JVM_CurrentThread
+                _JVM_CurrentTimeMillis
+                _JVM_DefineClass
+                _JVM_DefineClassWithSource
+                _JVM_DefineClassWithSourceCond
+                _JVM_DesiredAssertionStatus
+                _JVM_DisableCompiler
+                _JVM_DoPrivileged
+                _JVM_DTraceGetVersion
+                _JVM_DTraceActivate
+                _JVM_DTraceIsProbeEnabled
+                _JVM_DTraceIsSupported
+                _JVM_DTraceDispose
+                _JVM_DumpAllStacks
+                _JVM_DumpThreads
+                _JVM_EnableCompiler
+                _JVM_Exit
+                _JVM_FillInStackTrace
+                _JVM_FindClassFromClass
+                _JVM_FindClassFromClassLoader
+                _JVM_FindClassFromBootLoader
+                _JVM_FindLibraryEntry
+                _JVM_FindLoadedClass
+                _JVM_FindPrimitiveClass
+                _JVM_FindSignal
+                _JVM_FreeMemory
+                _JVM_GC
+                _JVM_GetAllThreads
+                _JVM_GetArrayElement
+                _JVM_GetArrayLength
+                _JVM_GetCPClassNameUTF
+                _JVM_GetCPFieldClassNameUTF
+                _JVM_GetCPFieldModifiers
+                _JVM_GetCPFieldNameUTF
+                _JVM_GetCPFieldSignatureUTF
+                _JVM_GetCPMethodClassNameUTF
+                _JVM_GetCPMethodModifiers
+                _JVM_GetCPMethodNameUTF
+                _JVM_GetCPMethodSignatureUTF
+                _JVM_GetCallerClass
+                _JVM_GetClassAccessFlags
+                _JVM_GetClassAnnotations
+                _JVM_GetClassCPEntriesCount
+                _JVM_GetClassCPTypes
+                _JVM_GetClassConstantPool
+                _JVM_GetClassContext
+                _JVM_GetClassDeclaredConstructors
+                _JVM_GetClassDeclaredFields
+                _JVM_GetClassDeclaredMethods
+                _JVM_GetClassFieldsCount
+                _JVM_GetClassInterfaces
+                _JVM_GetClassLoader
+                _JVM_GetClassMethodsCount
+                _JVM_GetClassModifiers
+                _JVM_GetClassName
+                _JVM_GetClassNameUTF
+                _JVM_GetClassSignature
+                _JVM_GetClassSigners
+                _JVM_GetClassTypeAnnotations
+                _JVM_GetComponentType
+                _JVM_GetDeclaredClasses
+                _JVM_GetDeclaringClass
+                _JVM_GetEnclosingMethodInfo
+                _JVM_GetFieldAnnotations
+                _JVM_GetFieldIxModifiers
+                _JVM_GetFieldTypeAnnotations
+                _JVM_GetHostName
+                _JVM_GetInheritedAccessControlContext
+                _JVM_GetInterfaceVersion
+                _JVM_GetLastErrorString
+                _JVM_GetManagement
+                _JVM_GetMethodAnnotations
+                _JVM_GetMethodDefaultAnnotationValue
+                _JVM_GetMethodIxArgsSize
+                _JVM_GetMethodIxByteCode
+                _JVM_GetMethodIxByteCodeLength
+                _JVM_GetMethodIxExceptionIndexes
+                _JVM_GetMethodIxExceptionTableEntry
+                _JVM_GetMethodIxExceptionTableLength
+                _JVM_GetMethodIxExceptionsCount
+                _JVM_GetMethodIxLocalsCount
+                _JVM_GetMethodIxMaxStack
+                _JVM_GetMethodIxModifiers
+                _JVM_GetMethodIxNameUTF
+                _JVM_GetMethodIxSignatureUTF
+                _JVM_GetMethodParameterAnnotations
+                _JVM_GetMethodParameters
+                _JVM_GetMethodTypeAnnotations
+                _JVM_GetPrimitiveArrayElement
+                _JVM_GetProtectionDomain
+                _JVM_GetSockName
+                _JVM_GetSockOpt
+                _JVM_GetStackAccessControlContext
+                _JVM_GetStackTraceDepth
+                _JVM_GetStackTraceElement
+                _JVM_GetSystemPackage
+                _JVM_GetSystemPackages
+                _JVM_GetThreadStateNames
+                _JVM_GetThreadStateValues
+                _JVM_GetVersionInfo
+                _JVM_Halt
+                _JVM_HoldsLock
+                _JVM_IHashCode
+                _JVM_InitAgentProperties
+                _JVM_InitProperties
+                _JVM_InitializeCompiler
+                _JVM_InitializeSocketLibrary
+                _JVM_InternString
+                _JVM_Interrupt
+                _JVM_InvokeMethod
+                _JVM_IsArrayClass
+                _JVM_IsConstructorIx
+                _JVM_IsInterface
+                _JVM_IsInterrupted
+                _JVM_IsNaN
+                _JVM_IsPrimitiveClass
+                _JVM_IsSameClassPackage
+                _JVM_IsSilentCompiler
+                _JVM_IsSupportedJNIVersion
+                _JVM_IsThreadAlive
+                _JVM_IsVMGeneratedMethodIx
+                _JVM_LatestUserDefinedLoader
+                _JVM_Listen
+                _JVM_LoadClass0
+                _JVM_LoadLibrary
+                _JVM_Lseek
+                _JVM_MaxObjectInspectionAge
+                _JVM_MaxMemory
+                _JVM_MonitorNotify
+                _JVM_MonitorNotifyAll
+                _JVM_MonitorWait
+                _JVM_NanoTime
+                _JVM_NativePath
+                _JVM_NewArray
+                _JVM_NewInstanceFromConstructor
+                _JVM_NewMultiArray
+                _JVM_OnExit
+                _JVM_Open
+                _JVM_RaiseSignal
+                _JVM_RawMonitorCreate
+                _JVM_RawMonitorDestroy
+                _JVM_RawMonitorEnter
+                _JVM_RawMonitorExit
+                _JVM_Read
+                _JVM_Recv
+                _JVM_RecvFrom
+                _JVM_RegisterSignal
+                _JVM_ReleaseUTF
+                _JVM_ResolveClass
+                _JVM_ResumeThread
+                _JVM_Send
+                _JVM_SendTo
+                _JVM_SetArrayElement
+                _JVM_SetClassSigners
+                _JVM_SetLength
+                _JVM_SetNativeThreadName
+                _JVM_SetPrimitiveArrayElement
+                _JVM_SetProtectionDomain
+                _JVM_SetSockOpt
+                _JVM_SetThreadPriority
+                _JVM_Sleep
+                _JVM_Socket
+                _JVM_SocketAvailable
+                _JVM_SocketClose
+                _JVM_SocketShutdown
+                _JVM_StartThread
+                _JVM_StopThread
+                _JVM_SuspendThread
+                _JVM_SupportsCX8
+                _JVM_Sync
+                _JVM_Timeout
+                _JVM_TotalMemory
+                _JVM_TraceInstructions
+                _JVM_TraceMethodCalls
+                _JVM_UnloadLibrary
+                _JVM_Write
+                _JVM_Yield
+                _JVM_handle_bsd_signal
 
-                # Old reflection routines
-                # These do not need to be present in the product build in JDK 1.4
-                # but their code has not been removed yet because there will not
-                # be a substantial code savings until JVM_InvokeMethod and
-                # JVM_NewInstanceFromConstructor can also be removed; see
-                # reflectionCompat.hpp.
-                JVM_GetClassConstructor;
-                JVM_GetClassConstructors;
-                JVM_GetClassField;
-                JVM_GetClassFields;
-                JVM_GetClassMethod;
-                JVM_GetClassMethods;
-                JVM_GetField;
-                JVM_GetPrimitiveField;
-                JVM_NewInstance;
-                JVM_SetField;
-                JVM_SetPrimitiveField;
-
-                # debug JVM
-                JVM_AccessVMBooleanFlag;
-                JVM_AccessVMIntFlag;
-                JVM_VMBreakPoint;
+                # debug _JVM
+                _JVM_AccessVMBooleanFlag
+                _JVM_AccessVMIntFlag
+                _JVM_VMBreakPoint
 
                 # miscellaneous functions
-                jio_fprintf;
-                jio_printf;
-                jio_snprintf;
-                jio_vfprintf;
-                jio_vsnprintf;
-                fork1;
-                numa_warn;
-                numa_error;
-
-                # Needed because there is no JVM interface for this.
-                sysThreadAvailableStackWithSlack;
+                _jio_fprintf
+                _jio_printf
+                _jio_snprintf
+                _jio_vfprintf
+                _jio_vsnprintf
 
                 # This is for Forte Analyzer profiling support.
-                AsyncGetCallTrace;
+                _AsyncGetCallTrace
 
                 # INSERT VTABLE SYMBOLS HERE
 
-        local:
-                *;
-};
-
--- a/hotspot/make/bsd/makefiles/mapfile-vers-product	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/make/bsd/makefiles/mapfile-vers-product	Fri Jun 28 18:28:17 2013 +0200
@@ -1,7 +1,3 @@
-#
-# @(#)mapfile-vers-product	1.19 08/02/12 10:56:37
-#
-
 #
 # Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
@@ -23,268 +19,239 @@
 # 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.
-#  
+#
 #
+# Only used for OSX/Darwin builds
 
 # Define public interface.
-
-SUNWprivate_1.1 {
-        global:
-                # JNI
-                JNI_CreateJavaVM;
-                JNI_GetCreatedJavaVMs;
-                JNI_GetDefaultJavaVMInitArgs;
+                # _JNI
+                _JNI_CreateJavaVM
+                _JNI_GetCreatedJavaVMs
+                _JNI_GetDefaultJavaVMInitArgs
 
-                # JVM
-                JVM_Accept;
-                JVM_ActiveProcessorCount;
-                JVM_AllocateNewArray;
-                JVM_AllocateNewObject;
-                JVM_ArrayCopy;
-                JVM_AssertionStatusDirectives;
-                JVM_Available;
-                JVM_Bind;
-                JVM_ClassDepth;
-                JVM_ClassLoaderDepth;
-                JVM_Clone;
-                JVM_Close;
-                JVM_CX8Field;
-                JVM_CompileClass;
-                JVM_CompileClasses;
-                JVM_CompilerCommand;
-                JVM_Connect;
-                JVM_ConstantPoolGetClassAt;
-                JVM_ConstantPoolGetClassAtIfLoaded;
-                JVM_ConstantPoolGetDoubleAt;
-                JVM_ConstantPoolGetFieldAt;
-                JVM_ConstantPoolGetFieldAtIfLoaded;
-                JVM_ConstantPoolGetFloatAt;
-                JVM_ConstantPoolGetIntAt;
-                JVM_ConstantPoolGetLongAt;
-                JVM_ConstantPoolGetMethodAt;
-                JVM_ConstantPoolGetMethodAtIfLoaded;
-                JVM_ConstantPoolGetMemberRefInfoAt;
-                JVM_ConstantPoolGetSize;
-                JVM_ConstantPoolGetStringAt;
-                JVM_ConstantPoolGetUTF8At;
-                JVM_CountStackFrames;
-                JVM_CurrentClassLoader;
-                JVM_CurrentLoadedClass;
-                JVM_CurrentThread;
-                JVM_CurrentTimeMillis;
-                JVM_DefineClass;
-                JVM_DefineClassWithSource;
-                JVM_DefineClassWithSourceCond;
-                JVM_DesiredAssertionStatus;
-                JVM_DisableCompiler;
-                JVM_DoPrivileged;
-                JVM_DTraceGetVersion;
-                JVM_DTraceActivate;
-                JVM_DTraceIsProbeEnabled;
-                JVM_DTraceIsSupported;
-                JVM_DTraceDispose;
-                JVM_DumpAllStacks;
-                JVM_DumpThreads;
-                JVM_EnableCompiler;
-                JVM_Exit;
-                JVM_FillInStackTrace;
-                JVM_FindClassFromClass;
-                JVM_FindClassFromClassLoader;
-                JVM_FindClassFromBootLoader;
-                JVM_FindLibraryEntry;
-                JVM_FindLoadedClass;
-                JVM_FindPrimitiveClass;
-                JVM_FindSignal;
-                JVM_FreeMemory;
-                JVM_GC;
-                JVM_GetAllThreads;
-                JVM_GetArrayElement;
-                JVM_GetArrayLength;
-                JVM_GetCPClassNameUTF;
-                JVM_GetCPFieldClassNameUTF;
-                JVM_GetCPFieldModifiers;
-                JVM_GetCPFieldNameUTF;
-                JVM_GetCPFieldSignatureUTF;
-                JVM_GetCPMethodClassNameUTF;
-                JVM_GetCPMethodModifiers;
-                JVM_GetCPMethodNameUTF;
-                JVM_GetCPMethodSignatureUTF;
-                JVM_GetCallerClass;
-                JVM_GetClassAccessFlags;
-                JVM_GetClassAnnotations;
-                JVM_GetClassCPEntriesCount;
-                JVM_GetClassCPTypes;
-                JVM_GetClassConstantPool;
-                JVM_GetClassContext;
-                JVM_GetClassDeclaredConstructors;
-                JVM_GetClassDeclaredFields;
-                JVM_GetClassDeclaredMethods;
-                JVM_GetClassFieldsCount;
-                JVM_GetClassInterfaces;
-                JVM_GetClassLoader;
-                JVM_GetClassMethodsCount;
-                JVM_GetClassModifiers;
-                JVM_GetClassName;
-                JVM_GetClassNameUTF;
-                JVM_GetClassSignature;
-                JVM_GetClassSigners;
-                JVM_GetClassTypeAnnotations;
-                JVM_GetComponentType;
-                JVM_GetDeclaredClasses;
-                JVM_GetDeclaringClass;
-                JVM_GetEnclosingMethodInfo;
-                JVM_GetFieldAnnotations;
-                JVM_GetFieldIxModifiers;
-                JVM_GetFieldTypeAnnotations;
-                JVM_GetHostName;
-                JVM_GetInheritedAccessControlContext;
-                JVM_GetInterfaceVersion;
-                JVM_GetLastErrorString;
-                JVM_GetManagement;
-                JVM_GetMethodAnnotations;
-                JVM_GetMethodDefaultAnnotationValue;
-                JVM_GetMethodIxArgsSize;
-                JVM_GetMethodIxByteCode;
-                JVM_GetMethodIxByteCodeLength;
-                JVM_GetMethodIxExceptionIndexes;
-                JVM_GetMethodIxExceptionTableEntry;
-                JVM_GetMethodIxExceptionTableLength;
-                JVM_GetMethodIxExceptionsCount;
-                JVM_GetMethodIxLocalsCount;
-                JVM_GetMethodIxMaxStack;
-                JVM_GetMethodIxModifiers;
-                JVM_GetMethodIxNameUTF;
-                JVM_GetMethodIxSignatureUTF;
-                JVM_GetMethodParameterAnnotations;
-                JVM_GetMethodParameters;
-                JVM_GetMethodTypeAnnotations;
-                JVM_GetPrimitiveArrayElement;
-                JVM_GetProtectionDomain;
-                JVM_GetSockName;
-                JVM_GetSockOpt;
-                JVM_GetStackAccessControlContext;
-                JVM_GetStackTraceDepth;
-                JVM_GetStackTraceElement;
-                JVM_GetSystemPackage;
-                JVM_GetSystemPackages;
-                JVM_GetThreadStateNames;
-                JVM_GetThreadStateValues;
-                JVM_GetVersionInfo;
-                JVM_Halt;
-                JVM_HoldsLock;
-                JVM_IHashCode;
-                JVM_InitAgentProperties;
-                JVM_InitProperties;
-                JVM_InitializeCompiler;
-                JVM_InitializeSocketLibrary;
-                JVM_InternString;
-                JVM_Interrupt;
-                JVM_InvokeMethod;
-                JVM_IsArrayClass;
-                JVM_IsConstructorIx;
-                JVM_IsInterface;
-                JVM_IsInterrupted;
-                JVM_IsNaN;
-                JVM_IsPrimitiveClass;
-                JVM_IsSameClassPackage;
-                JVM_IsSilentCompiler;
-                JVM_IsSupportedJNIVersion;
-                JVM_IsThreadAlive;
-                JVM_IsVMGeneratedMethodIx;
-                JVM_LatestUserDefinedLoader;
-                JVM_Listen;
-                JVM_LoadClass0;
-                JVM_LoadLibrary;
-                JVM_Lseek;
-                JVM_MaxObjectInspectionAge;
-                JVM_MaxMemory;
-                JVM_MonitorNotify;
-                JVM_MonitorNotifyAll;
-                JVM_MonitorWait;
-                JVM_NanoTime;
-                JVM_NativePath;
-                JVM_NewArray;
-                JVM_NewInstanceFromConstructor;
-                JVM_NewMultiArray;
-                JVM_OnExit;
-                JVM_Open;
-                JVM_RaiseSignal;
-                JVM_RawMonitorCreate;
-                JVM_RawMonitorDestroy;
-                JVM_RawMonitorEnter;
-                JVM_RawMonitorExit;
-                JVM_Read;
-                JVM_Recv;
-                JVM_RecvFrom;
-                JVM_RegisterSignal;
-                JVM_ReleaseUTF;
-                JVM_ResolveClass;
-                JVM_ResumeThread;
-                JVM_Send;
-                JVM_SendTo;
-                JVM_SetArrayElement;
-                JVM_SetClassSigners;
-                JVM_SetLength;
-                JVM_SetPrimitiveArrayElement;
-                JVM_SetProtectionDomain;
-                JVM_SetSockOpt;
-                JVM_SetThreadPriority;
-                JVM_Sleep;
-                JVM_Socket;
-                JVM_SocketAvailable;
-                JVM_SocketClose;
-                JVM_SocketShutdown;
-                JVM_StartThread;
-                JVM_StopThread;
-                JVM_SuspendThread;
-                JVM_SupportsCX8;
-                JVM_Sync;
-                JVM_Timeout;
-                JVM_TotalMemory;
-                JVM_TraceInstructions;
-                JVM_TraceMethodCalls;
-                JVM_UnloadLibrary;
-                JVM_Write;
-                JVM_Yield;
-                JVM_handle_bsd_signal;
-
-                # Old reflection routines
-                # These do not need to be present in the product build in JDK 1.4
-                # but their code has not been removed yet because there will not
-                # be a substantial code savings until JVM_InvokeMethod and
-                # JVM_NewInstanceFromConstructor can also be removed; see
-                # reflectionCompat.hpp.
-                JVM_GetClassConstructor;
-                JVM_GetClassConstructors;
-                JVM_GetClassField;
-                JVM_GetClassFields;
-                JVM_GetClassMethod;
-                JVM_GetClassMethods;
-                JVM_GetField;
-                JVM_GetPrimitiveField;
-                JVM_NewInstance;
-                JVM_SetField;
-                JVM_SetPrimitiveField;
+                # _JVM
+                _JVM_Accept
+                _JVM_ActiveProcessorCount
+                _JVM_AllocateNewArray
+                _JVM_AllocateNewObject
+                _JVM_ArrayCopy
+                _JVM_AssertionStatusDirectives
+                _JVM_Available
+                _JVM_Bind
+                _JVM_ClassDepth
+                _JVM_ClassLoaderDepth
+                _JVM_Clone
+                _JVM_Close
+                _JVM_CX8Field
+                _JVM_CompileClass
+                _JVM_CompileClasses
+                _JVM_CompilerCommand
+                _JVM_Connect
+                _JVM_ConstantPoolGetClassAt
+                _JVM_ConstantPoolGetClassAtIfLoaded
+                _JVM_ConstantPoolGetDoubleAt
+                _JVM_ConstantPoolGetFieldAt
+                _JVM_ConstantPoolGetFieldAtIfLoaded
+                _JVM_ConstantPoolGetFloatAt
+                _JVM_ConstantPoolGetIntAt
+                _JVM_ConstantPoolGetLongAt
+                _JVM_ConstantPoolGetMethodAt
+                _JVM_ConstantPoolGetMethodAtIfLoaded
+                _JVM_ConstantPoolGetMemberRefInfoAt
+                _JVM_ConstantPoolGetSize
+                _JVM_ConstantPoolGetStringAt
+                _JVM_ConstantPoolGetUTF8At
+                _JVM_CountStackFrames
+                _JVM_CurrentClassLoader
+                _JVM_CurrentLoadedClass
+                _JVM_CurrentThread
+                _JVM_CurrentTimeMillis
+                _JVM_DefineClass
+                _JVM_DefineClassWithSource
+                _JVM_DefineClassWithSourceCond
+                _JVM_DesiredAssertionStatus
+                _JVM_DisableCompiler
+                _JVM_DoPrivileged
+                _JVM_DTraceGetVersion
+                _JVM_DTraceActivate
+                _JVM_DTraceIsProbeEnabled
+                _JVM_DTraceIsSupported
+                _JVM_DTraceDispose
+                _JVM_DumpAllStacks
+                _JVM_DumpThreads
+                _JVM_EnableCompiler
+                _JVM_Exit
+                _JVM_FillInStackTrace
+                _JVM_FindClassFromClass
+                _JVM_FindClassFromClassLoader
+                _JVM_FindClassFromBootLoader
+                _JVM_FindLibraryEntry
+                _JVM_FindLoadedClass
+                _JVM_FindPrimitiveClass
+                _JVM_FindSignal
+                _JVM_FreeMemory
+                _JVM_GC
+                _JVM_GetAllThreads
+                _JVM_GetArrayElement
+                _JVM_GetArrayLength
+                _JVM_GetCPClassNameUTF
+                _JVM_GetCPFieldClassNameUTF
+                _JVM_GetCPFieldModifiers
+                _JVM_GetCPFieldNameUTF
+                _JVM_GetCPFieldSignatureUTF
+                _JVM_GetCPMethodClassNameUTF
+                _JVM_GetCPMethodModifiers
+                _JVM_GetCPMethodNameUTF
+                _JVM_GetCPMethodSignatureUTF
+                _JVM_GetCallerClass
+                _JVM_GetClassAccessFlags
+                _JVM_GetClassAnnotations
+                _JVM_GetClassCPEntriesCount
+                _JVM_GetClassCPTypes
+                _JVM_GetClassConstantPool
+                _JVM_GetClassContext
+                _JVM_GetClassDeclaredConstructors
+                _JVM_GetClassDeclaredFields
+                _JVM_GetClassDeclaredMethods
+                _JVM_GetClassFieldsCount
+                _JVM_GetClassInterfaces
+                _JVM_GetClassLoader
+                _JVM_GetClassMethodsCount
+                _JVM_GetClassModifiers
+                _JVM_GetClassName
+                _JVM_GetClassNameUTF
+                _JVM_GetClassSignature
+                _JVM_GetClassSigners
+                _JVM_GetClassTypeAnnotations
+                _JVM_GetComponentType
+                _JVM_GetDeclaredClasses
+                _JVM_GetDeclaringClass
+                _JVM_GetEnclosingMethodInfo
+                _JVM_GetFieldAnnotations
+                _JVM_GetFieldIxModifiers
+                _JVM_GetFieldTypeAnnotations
+                _JVM_GetHostName
+                _JVM_GetInheritedAccessControlContext
+                _JVM_GetInterfaceVersion
+                _JVM_GetLastErrorString
+                _JVM_GetManagement
+                _JVM_GetMethodAnnotations
+                _JVM_GetMethodDefaultAnnotationValue
+                _JVM_GetMethodIxArgsSize
+                _JVM_GetMethodIxByteCode
+                _JVM_GetMethodIxByteCodeLength
+                _JVM_GetMethodIxExceptionIndexes
+                _JVM_GetMethodIxExceptionTableEntry
+                _JVM_GetMethodIxExceptionTableLength
+                _JVM_GetMethodIxExceptionsCount
+                _JVM_GetMethodIxLocalsCount
+                _JVM_GetMethodIxMaxStack
+                _JVM_GetMethodIxModifiers
+                _JVM_GetMethodIxNameUTF
+                _JVM_GetMethodIxSignatureUTF
+                _JVM_GetMethodParameterAnnotations
+                _JVM_GetMethodParameters
+                _JVM_GetMethodTypeAnnotations
+                _JVM_GetPrimitiveArrayElement
+                _JVM_GetProtectionDomain
+                _JVM_GetSockName
+                _JVM_GetSockOpt
+                _JVM_GetStackAccessControlContext
+                _JVM_GetStackTraceDepth
+                _JVM_GetStackTraceElement
+                _JVM_GetSystemPackage
+                _JVM_GetSystemPackages
+                _JVM_GetThreadStateNames
+                _JVM_GetThreadStateValues
+                _JVM_GetVersionInfo
+                _JVM_Halt
+                _JVM_HoldsLock
+                _JVM_IHashCode
+                _JVM_InitAgentProperties
+                _JVM_InitProperties
+                _JVM_InitializeCompiler
+                _JVM_InitializeSocketLibrary
+                _JVM_InternString
+                _JVM_Interrupt
+                _JVM_InvokeMethod
+                _JVM_IsArrayClass
+                _JVM_IsConstructorIx
+                _JVM_IsInterface
+                _JVM_IsInterrupted
+                _JVM_IsNaN
+                _JVM_IsPrimitiveClass
+                _JVM_IsSameClassPackage
+                _JVM_IsSilentCompiler
+                _JVM_IsSupportedJNIVersion
+                _JVM_IsThreadAlive
+                _JVM_IsVMGeneratedMethodIx
+                _JVM_LatestUserDefinedLoader
+                _JVM_Listen
+                _JVM_LoadClass0
+                _JVM_LoadLibrary
+                _JVM_Lseek
+                _JVM_MaxObjectInspectionAge
+                _JVM_MaxMemory
+                _JVM_MonitorNotify
+                _JVM_MonitorNotifyAll
+                _JVM_MonitorWait
+                _JVM_NanoTime
+                _JVM_NativePath
+                _JVM_NewArray
+                _JVM_NewInstanceFromConstructor
+                _JVM_NewMultiArray
+                _JVM_OnExit
+                _JVM_Open
+                _JVM_RaiseSignal
+                _JVM_RawMonitorCreate
+                _JVM_RawMonitorDestroy
+                _JVM_RawMonitorEnter
+                _JVM_RawMonitorExit
+                _JVM_Read
+                _JVM_Recv
+                _JVM_RecvFrom
+                _JVM_RegisterSignal
+                _JVM_ReleaseUTF
+                _JVM_ResolveClass
+                _JVM_ResumeThread
+                _JVM_Send
+                _JVM_SendTo
+                _JVM_SetArrayElement
+                _JVM_SetClassSigners
+                _JVM_SetLength
+                _JVM_SetNativeThreadName
+                _JVM_SetPrimitiveArrayElement
+                _JVM_SetProtectionDomain
+                _JVM_SetSockOpt
+                _JVM_SetThreadPriority
+                _JVM_Sleep
+                _JVM_Socket
+                _JVM_SocketAvailable
+                _JVM_SocketClose
+                _JVM_SocketShutdown
+                _JVM_StartThread
+                _JVM_StopThread
+                _JVM_SuspendThread
+                _JVM_SupportsCX8
+                _JVM_Sync
+                _JVM_Timeout
+                _JVM_TotalMemory
+                _JVM_TraceInstructions
+                _JVM_TraceMethodCalls
+                _JVM_UnloadLibrary
+                _JVM_Write
+                _JVM_Yield
+                _JVM_handle_bsd_signal
 
                 # miscellaneous functions
-                jio_fprintf;
-                jio_printf;
-                jio_snprintf;
-                jio_vfprintf;
-                jio_vsnprintf;
-                fork1;
-                numa_warn;
-                numa_error;
-
-                # Needed because there is no JVM interface for this.
-                sysThreadAvailableStackWithSlack;
+                _jio_fprintf
+                _jio_printf
+                _jio_snprintf
+                _jio_vfprintf
+                _jio_vsnprintf
 
                 # This is for Forte Analyzer profiling support.
-                AsyncGetCallTrace;
-
-		# INSERT VTABLE SYMBOLS HERE
+                _AsyncGetCallTrace
 
-        local:
-                *;
-};
+                # INSERT VTABLE SYMBOLS HERE
 
--- a/hotspot/make/excludeSrc.make	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/make/excludeSrc.make	Fri Jun 28 18:28:17 2013 +0200
@@ -112,3 +112,5 @@
 endif
 
 -include $(HS_ALT_MAKE)/excludeSrc.make
+
+.PHONY: $(HS_ALT_MAKE)/excludeSrc.make
--- a/hotspot/make/linux/makefiles/gcc.make	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/make/linux/makefiles/gcc.make	Fri Jun 28 18:28:17 2013 +0200
@@ -350,9 +350,9 @@
   ifeq ($(DEBUG_CFLAGS/$(BUILDARCH)),)
       ifeq ($(USE_CLANG), true)
         # Clang doesn't understand -gstabs
-        OPT_CFLAGS += -g
+        DEBUG_CFLAGS += -g
       else
-        OPT_CFLAGS += -gstabs
+        DEBUG_CFLAGS += -gstabs
       endif
   endif
   
@@ -365,9 +365,9 @@
     ifeq ($(FASTDEBUG_CFLAGS/$(BUILDARCH)),)
       ifeq ($(USE_CLANG), true)
         # Clang doesn't understand -gstabs
-        OPT_CFLAGS += -g
+        FASTDEBUG_CFLAGS += -g
       else
-        OPT_CFLAGS += -gstabs
+        FASTDEBUG_CFLAGS += -gstabs
       endif
     endif
   
--- a/hotspot/src/cpu/sparc/vm/frame_sparc.cpp	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/src/cpu/sparc/vm/frame_sparc.cpp	Fri Jun 28 18:28:17 2013 +0200
@@ -680,7 +680,7 @@
 
   // validate ConstantPoolCache*
   ConstantPoolCache* cp = *interpreter_frame_cache_addr();
-  if (cp == NULL || !cp->is_metadata()) return false;
+  if (cp == NULL || !cp->is_metaspace_object()) return false;
 
   // validate locals
 
--- a/hotspot/src/cpu/sparc/vm/macroAssembler_sparc.cpp	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/src/cpu/sparc/vm/macroAssembler_sparc.cpp	Fri Jun 28 18:28:17 2013 +0200
@@ -1161,12 +1161,6 @@
   while (offset() % modulus != 0) nop();
 }
 
-
-void MacroAssembler::safepoint() {
-  relocate(breakpoint_Relocation::spec(breakpoint_Relocation::safepoint));
-}
-
-
 void RegistersForDebugging::print(outputStream* s) {
   FlagSetting fs(Debugging, true);
   int j;
--- a/hotspot/src/cpu/sparc/vm/relocInfo_sparc.cpp	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/src/cpu/sparc/vm/relocInfo_sparc.cpp	Fri Jun 28 18:28:17 2013 +0200
@@ -193,36 +193,6 @@
   return *(address*)addr();
 }
 
-
-int Relocation::pd_breakpoint_size() {
-  // minimum breakpoint size, in short words
-  return NativeIllegalInstruction::instruction_size / sizeof(short);
-}
-
-void Relocation::pd_swap_in_breakpoint(address x, short* instrs, int instrlen) {
-  Untested("pd_swap_in_breakpoint");
-  // %%% probably do not need a general instrlen; just use the trap size
-  if (instrs != NULL) {
-    assert(instrlen * sizeof(short) == NativeIllegalInstruction::instruction_size, "enough instrlen in reloc. data");
-    for (int i = 0; i < instrlen; i++) {
-      instrs[i] = ((short*)x)[i];
-    }
-  }
-  NativeIllegalInstruction::insert(x);
-}
-
-
-void Relocation::pd_swap_out_breakpoint(address x, short* instrs, int instrlen) {
-  Untested("pd_swap_out_breakpoint");
-  assert(instrlen * sizeof(short) == sizeof(int), "enough buf");
-  union { int l; short s[1]; } u;
-  for (int i = 0; i < instrlen; i++) {
-    u.s[i] = instrs[i];
-  }
-  NativeInstruction* ni = nativeInstruction_at(x);
-  ni->set_long_at(0, u.l);
-}
-
 void poll_Relocation::fix_relocation_after_move(const CodeBuffer* src, CodeBuffer* dest) {
 }
 
--- a/hotspot/src/cpu/x86/vm/frame_x86.cpp	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/src/cpu/x86/vm/frame_x86.cpp	Fri Jun 28 18:28:17 2013 +0200
@@ -587,7 +587,7 @@
 
   // validate ConstantPoolCache*
   ConstantPoolCache* cp = *interpreter_frame_cache_addr();
-  if (cp == NULL || !cp->is_metadata()) return false;
+  if (cp == NULL || !cp->is_metaspace_object()) return false;
 
   // validate locals
 
--- a/hotspot/src/cpu/x86/vm/relocInfo_x86.cpp	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/src/cpu/x86/vm/relocInfo_x86.cpp	Fri Jun 28 18:28:17 2013 +0200
@@ -177,30 +177,6 @@
   return *pd_address_in_code();
 }
 
-int Relocation::pd_breakpoint_size() {
-  // minimum breakpoint size, in short words
-  return NativeIllegalInstruction::instruction_size / sizeof(short);
-}
-
-void Relocation::pd_swap_in_breakpoint(address x, short* instrs, int instrlen) {
-  Untested("pd_swap_in_breakpoint");
-  if (instrs != NULL) {
-    assert(instrlen * sizeof(short) == NativeIllegalInstruction::instruction_size, "enough instrlen in reloc. data");
-    for (int i = 0; i < instrlen; i++) {
-      instrs[i] = ((short*)x)[i];
-    }
-  }
-  NativeIllegalInstruction::insert(x);
-}
-
-
-void Relocation::pd_swap_out_breakpoint(address x, short* instrs, int instrlen) {
-  Untested("pd_swap_out_breakpoint");
-  assert(NativeIllegalInstruction::instruction_size == sizeof(short), "right address unit for update");
-  NativeInstruction* ni = nativeInstruction_at(x);
-  *(short*)ni->addr_at(0) = instrs[0];
-}
-
 void poll_Relocation::fix_relocation_after_move(const CodeBuffer* src, CodeBuffer* dest) {
 #ifdef _LP64
   if (!Assembler::is_polling_page_far()) {
--- a/hotspot/src/cpu/zero/vm/relocInfo_zero.cpp	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/src/cpu/zero/vm/relocInfo_zero.cpp	Fri Jun 28 18:28:17 2013 +0200
@@ -52,22 +52,6 @@
   return (address *) addr();
 }
 
-int Relocation::pd_breakpoint_size() {
-  ShouldNotCallThis();
-}
-
-void Relocation::pd_swap_in_breakpoint(address x,
-                                       short*  instrs,
-                                       int     instrlen) {
-  ShouldNotCallThis();
-}
-
-void Relocation::pd_swap_out_breakpoint(address x,
-                                        short*  instrs,
-                                        int     instrlen) {
-  ShouldNotCallThis();
-}
-
 void poll_Relocation::fix_relocation_after_move(const CodeBuffer* src,
                                                 CodeBuffer*       dst) {
   ShouldNotCallThis();
--- a/hotspot/src/os_cpu/linux_x86/vm/os_linux_x86.cpp	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/src/os_cpu/linux_x86/vm/os_linux_x86.cpp	Fri Jun 28 18:28:17 2013 +0200
@@ -289,6 +289,16 @@
     }
 #endif // AMD64
 
+#ifndef AMD64
+    // Halt if SI_KERNEL before more crashes get misdiagnosed as Java bugs
+    // This can happen in any running code (currently more frequently in
+    // interpreter code but has been seen in compiled code)
+    if (sig == SIGSEGV && info->si_addr == 0 && info->si_code == SI_KERNEL) {
+      fatal("An irrecoverable SI_KERNEL SIGSEGV has occurred due "
+            "to unstable signal handling in this distribution.");
+    }
+#endif // AMD64
+
     // Handle ALL stack overflow variations here
     if (sig == SIGSEGV) {
       address addr = (address) info->si_addr;
--- a/hotspot/src/share/vm/ci/ciObjectFactory.cpp	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/src/share/vm/ci/ciObjectFactory.cpp	Fri Jun 28 18:28:17 2013 +0200
@@ -265,8 +265,6 @@
 ciMetadata* ciObjectFactory::get_metadata(Metadata* key) {
   ASSERT_IN_VM;
 
-  assert(key == NULL || key->is_metadata(), "must be");
-
 #ifdef ASSERT
   if (CIObjectFactoryVerify) {
     Metadata* last = NULL;
--- a/hotspot/src/share/vm/classfile/dictionary.cpp	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/src/share/vm/classfile/dictionary.cpp	Fri Jun 28 18:28:17 2013 +0200
@@ -555,7 +555,7 @@
                 loader_data->class_loader() == NULL ||
                 loader_data->class_loader()->is_instance(),
                 "checking type of class_loader");
-      e->verify();
+      e->verify(/*check_dictionary*/false);
       probe->verify_protection_domain_set();
       element_count++;
     }
--- a/hotspot/src/share/vm/code/debugInfo.hpp	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/src/share/vm/code/debugInfo.hpp	Fri Jun 28 18:28:17 2013 +0200
@@ -274,7 +274,7 @@
   Method* read_method() {
     Method* o = (Method*)(code()->metadata_at(read_int()));
     assert(o == NULL ||
-           o->is_metadata(), "meta data only");
+           o->is_metaspace_object(), "meta data only");
     return o;
   }
   ScopeValue* read_object_value();
--- a/hotspot/src/share/vm/code/dependencies.cpp	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/src/share/vm/code/dependencies.cpp	Fri Jun 28 18:28:17 2013 +0200
@@ -655,8 +655,8 @@
   } else {
     o = _deps->oop_recorder()->metadata_at(i);
   }
-  assert(o == NULL || o->is_metadata(),
-         err_msg("Should be perm " PTR_FORMAT, o));
+  assert(o == NULL || o->is_metaspace_object(),
+         err_msg("Should be metadata " PTR_FORMAT, o));
   return o;
 }
 
--- a/hotspot/src/share/vm/code/nmethod.cpp	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/src/share/vm/code/nmethod.cpp	Fri Jun 28 18:28:17 2013 +0200
@@ -1081,11 +1081,6 @@
       metadata_Relocation* reloc = iter.metadata_reloc();
       reloc->fix_metadata_relocation();
     }
-
-    // There must not be any interfering patches or breakpoints.
-    assert(!(iter.type() == relocInfo::breakpoint_type
-             && iter.breakpoint_reloc()->active()),
-           "no active breakpoint");
   }
 }
 
--- a/hotspot/src/share/vm/code/relocInfo.cpp	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/src/share/vm/code/relocInfo.cpp	Fri Jun 28 18:28:17 2013 +0200
@@ -338,31 +338,6 @@
   _limit = limit;
 }
 
-
-void PatchingRelocIterator:: prepass() {
-  // turn breakpoints off during patching
-  _init_state = (*this);        // save cursor
-  while (next()) {
-    if (type() == relocInfo::breakpoint_type) {
-      breakpoint_reloc()->set_active(false);
-    }
-  }
-  (RelocIterator&)(*this) = _init_state;        // reset cursor for client
-}
-
-
-void PatchingRelocIterator:: postpass() {
-  // turn breakpoints back on after patching
-  (RelocIterator&)(*this) = _init_state;        // reset cursor again
-  while (next()) {
-    if (type() == relocInfo::breakpoint_type) {
-      breakpoint_Relocation* bpt = breakpoint_reloc();
-      bpt->set_active(bpt->enabled());
-    }
-  }
-}
-
-
 // All the strange bit-encodings are in here.
 // The idea is to encode relocation data which are small integers
 // very efficiently (a single extra halfword).  Larger chunks of
@@ -704,51 +679,6 @@
   _target  = address_from_scaled_offset(offset, base);
 }
 
-
-void breakpoint_Relocation::pack_data_to(CodeSection* dest) {
-  short* p = (short*) dest->locs_end();
-  address point = dest->locs_point();
-
-  *p++ = _bits;
-
-  assert(_target != NULL, "sanity");
-
-  if (internal())  normalize_address(_target, dest);
-
-  jint target_bits =
-    (jint)( internal() ? scaled_offset           (_target, point)
-                       : runtime_address_to_index(_target) );
-  if (settable()) {
-    // save space for set_target later
-    p = add_jint(p, target_bits);
-  } else {
-    p = add_var_int(p, target_bits);
-  }
-
-  for (int i = 0; i < instrlen(); i++) {
-    // put placeholder words until bytes can be saved
-    p = add_short(p, (short)0x7777);
-  }
-
-  dest->set_locs_end((relocInfo*) p);
-}
-
-
-void breakpoint_Relocation::unpack_data() {
-  _bits = live_bits();
-
-  int targetlen = datalen() - 1 - instrlen();
-  jint target_bits = 0;
-  if (targetlen == 0)       target_bits = 0;
-  else if (targetlen == 1)  target_bits = *(data()+1);
-  else if (targetlen == 2)  target_bits = relocInfo::jint_from_data(data()+1);
-  else                      { ShouldNotReachHere(); }
-
-  _target = internal() ? address_from_scaled_offset(target_bits, addr())
-                       : index_to_runtime_address  (target_bits);
-}
-
-
 //// miscellaneous methods
 oop* oop_Relocation::oop_addr() {
   int n = _oop_index;
@@ -933,81 +863,6 @@
   return target;
 }
 
-
-breakpoint_Relocation::breakpoint_Relocation(int kind, address target, bool internal) {
-  bool active    = false;
-  bool enabled   = (kind == initialization);
-  bool removable = (kind != safepoint);
-  bool settable  = (target == NULL);
-
-  int bits = kind;
-  if (enabled)    bits |= enabled_state;
-  if (internal)   bits |= internal_attr;
-  if (removable)  bits |= removable_attr;
-  if (settable)   bits |= settable_attr;
-
-  _bits = bits | high_bit;
-  _target = target;
-
-  assert(this->kind()      == kind,      "kind encoded");
-  assert(this->enabled()   == enabled,   "enabled encoded");
-  assert(this->active()    == active,    "active encoded");
-  assert(this->internal()  == internal,  "internal encoded");
-  assert(this->removable() == removable, "removable encoded");
-  assert(this->settable()  == settable,  "settable encoded");
-}
-
-
-address breakpoint_Relocation::target() const {
-  return _target;
-}
-
-
-void breakpoint_Relocation::set_target(address x) {
-  assert(settable(), "must be settable");
-  jint target_bits =
-    (jint)(internal() ? scaled_offset           (x, addr())
-                      : runtime_address_to_index(x));
-  short* p = &live_bits() + 1;
-  p = add_jint(p, target_bits);
-  assert(p == instrs(), "new target must fit");
-  _target = x;
-}
-
-
-void breakpoint_Relocation::set_enabled(bool b) {
-  if (enabled() == b) return;
-
-  if (b) {
-    set_bits(bits() | enabled_state);
-  } else {
-    set_active(false);          // remove the actual breakpoint insn, if any
-    set_bits(bits() & ~enabled_state);
-  }
-}
-
-
-void breakpoint_Relocation::set_active(bool b) {
-  assert(!b || enabled(), "cannot activate a disabled breakpoint");
-
-  if (active() == b) return;
-
-  // %%% should probably seize a lock here (might not be the right lock)
-  //MutexLockerEx ml_patch(Patching_lock, true);
-  //if (active() == b)  return;         // recheck state after locking
-
-  if (b) {
-    set_bits(bits() | active_state);
-    if (instrlen() == 0)
-      fatal("breakpoints in original code must be undoable");
-    pd_swap_in_breakpoint (addr(), instrs(), instrlen());
-  } else {
-    set_bits(bits() & ~active_state);
-    pd_swap_out_breakpoint(addr(), instrs(), instrlen());
-  }
-}
-
-
 //---------------------------------------------------------------------------------
 // Non-product code
 
--- a/hotspot/src/share/vm/code/relocInfo.hpp	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/src/share/vm/code/relocInfo.hpp	Fri Jun 28 18:28:17 2013 +0200
@@ -49,9 +49,6 @@
 //    RelocIterator
 //      A StackObj which iterates over the relocations associated with
 //      a range of code addresses.  Can be used to operate a copy of code.
-//    PatchingRelocIterator
-//      Specialized subtype of RelocIterator which removes breakpoints
-//      temporarily during iteration, then restores them.
 //    BoundRelocation
 //      An _internal_ type shared by packers and unpackers of relocations.
 //      It pastes together a RelocationHolder with some pointers into
@@ -204,15 +201,6 @@
 //   immediate field must not straddle a unit of memory coherence.
 //   //%note reloc_3
 //
-// relocInfo::breakpoint_type -- a conditional breakpoint in the code
-//   Value:  none
-//   Instruction types: any whatsoever
-//   Data:  [b [T]t  i...]
-//   The b is a bit-packed word representing the breakpoint's attributes.
-//   The t is a target address which the breakpoint calls (when it is enabled).
-//   The i... is a place to store one or two instruction words overwritten
-//   by a trap, so that the breakpoint may be subsequently removed.
-//
 // relocInfo::static_stub_type -- an extra stub for each static_call_type
 //   Value:  none
 //   Instruction types: a virtual call:  { set_oop; jump; }
@@ -271,8 +259,8 @@
     section_word_type       =  9, // internal, but a cross-section reference
     poll_type               = 10, // polling instruction for safepoints
     poll_return_type        = 11, // polling instruction for safepoints at return
-    breakpoint_type         = 12, // an initialization barrier or safepoint
-    metadata_type           = 13, // metadata that used to be oops
+    metadata_type           = 12, // metadata that used to be oops
+    yet_unused_type_1       = 13, // Still unused
     yet_unused_type_2       = 14, // Still unused
     data_prefix_tag         = 15, // tag for a prefix (carries data arguments)
     type_mask               = 15  // A mask which selects only the above values
@@ -312,7 +300,6 @@
     visitor(internal_word) \
     visitor(poll) \
     visitor(poll_return) \
-    visitor(breakpoint) \
     visitor(section_word) \
 
 
@@ -454,7 +441,7 @@
  public:
   enum {
     // Conservatively large estimate of maximum length (in shorts)
-    // of any relocation record (probably breakpoints are largest).
+    // of any relocation record.
     // Extended format is length prefix, data words, and tag/offset suffix.
     length_limit       = 1 + 1 + (3*BytesPerWord/BytesPerShort) + 1,
     have_format        = format_width > 0
@@ -571,8 +558,6 @@
 
   void initialize(nmethod* nm, address begin, address limit);
 
-  friend class PatchingRelocIterator;
-  // make an uninitialized one, for PatchingRelocIterator:
   RelocIterator() { initialize_misc(); }
 
  public:
@@ -779,9 +764,6 @@
   void       pd_verify_data_value    (address x, intptr_t off) { pd_set_data_value(x, off, true); }
   address    pd_call_destination     (address orig_addr = NULL);
   void       pd_set_call_destination (address x);
-  void       pd_swap_in_breakpoint   (address x, short* instrs, int instrlen);
-  void       pd_swap_out_breakpoint  (address x, short* instrs, int instrlen);
-  static int pd_breakpoint_size      ();
 
   // this extracts the address of an address in the code stream instead of the reloc data
   address* pd_address_in_code       ();
@@ -1302,87 +1284,6 @@
   void     fix_relocation_after_move(const CodeBuffer* src, CodeBuffer* dest);
 };
 
-
-class breakpoint_Relocation : public Relocation {
-  relocInfo::relocType type() { return relocInfo::breakpoint_type; }
-
-  enum {
-    // attributes which affect the interpretation of the data:
-    removable_attr = 0x0010,   // buffer [i...] allows for undoing the trap
-    internal_attr  = 0x0020,   // the target is an internal addr (local stub)
-    settable_attr  = 0x0040,   // the target is settable
-
-    // states which can change over time:
-    enabled_state  = 0x0100,   // breakpoint must be active in running code
-    active_state   = 0x0200,   // breakpoint instruction actually in code
-
-    kind_mask      = 0x000F,   // mask for extracting kind
-    high_bit       = 0x4000    // extra bit which is always set
-  };
-
- public:
-  enum {
-    // kinds:
-    initialization = 1,
-    safepoint      = 2
-  };
-
-  // If target is NULL, 32 bits are reserved for a later set_target().
-  static RelocationHolder spec(int kind, address target = NULL, bool internal_target = false) {
-    RelocationHolder rh = newHolder();
-    new(rh) breakpoint_Relocation(kind, target, internal_target);
-    return rh;
-  }
-
- private:
-  // We require every bits value to NOT to fit into relocInfo::datalen_width,
-  // because we are going to actually store state in the reloc, and so
-  // cannot allow it to be compressed (and hence copied by the iterator).
-
-  short   _bits;                  // bit-encoded kind, attrs, & state
-  address _target;
-
-  breakpoint_Relocation(int kind, address target, bool internal_target);
-
-  friend class RelocIterator;
-  breakpoint_Relocation() { }
-
-  short    bits()       const { return _bits; }
-  short&   live_bits()  const { return data()[0]; }
-  short*   instrs()     const { return data() + datalen() - instrlen(); }
-  int      instrlen()   const { return removable() ? pd_breakpoint_size() : 0; }
-
-  void set_bits(short x) {
-    assert(live_bits() == _bits, "must be the only mutator of reloc info");
-    live_bits() = _bits = x;
-  }
-
- public:
-  address  target()     const;
-  void set_target(address x);
-
-  int  kind()           const { return  bits() & kind_mask; }
-  bool enabled()        const { return (bits() &  enabled_state) != 0; }
-  bool active()         const { return (bits() &   active_state) != 0; }
-  bool internal()       const { return (bits() &  internal_attr) != 0; }
-  bool removable()      const { return (bits() & removable_attr) != 0; }
-  bool settable()       const { return (bits() &  settable_attr) != 0; }
-
-  void set_enabled(bool b);     // to activate, you must also say set_active
-  void set_active(bool b);      // actually inserts bpt (must be enabled 1st)
-
-  // data is packed as 16 bits, followed by the target (1 or 2 words), followed
-  // if necessary by empty storage for saving away original instruction bytes.
-  void pack_data_to(CodeSection* dest);
-  void unpack_data();
-
-  // during certain operations, breakpoints must be out of the way:
-  void fix_relocation_after_move(const CodeBuffer* src, CodeBuffer* dest) {
-    assert(!active(), "cannot perform relocation on enabled breakpoints");
-  }
-};
-
-
 // We know all the xxx_Relocation classes, so now we can define these:
 #define EACH_CASE(name)                                         \
 inline name##_Relocation* RelocIterator::name##_reloc() {       \
@@ -1401,25 +1302,4 @@
   initialize(nm, begin, limit);
 }
 
-// if you are going to patch code, you should use this subclass of
-// RelocIterator
-class PatchingRelocIterator : public RelocIterator {
- private:
-  RelocIterator _init_state;
-
-  void prepass();               // deactivates all breakpoints
-  void postpass();              // reactivates all enabled breakpoints
-
-  // do not copy these puppies; it would have unpredictable side effects
-  // these are private and have no bodies defined because they should not be called
-  PatchingRelocIterator(const RelocIterator&);
-  void        operator=(const RelocIterator&);
-
- public:
-  PatchingRelocIterator(nmethod* nm, address begin = NULL, address limit = NULL)
-    : RelocIterator(nm, begin, limit)                { prepass();  }
-
-  ~PatchingRelocIterator()                           { postpass(); }
-};
-
 #endif // SHARE_VM_CODE_RELOCINFO_HPP
--- a/hotspot/src/share/vm/gc_implementation/g1/heapRegion.cpp	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/src/share/vm/gc_implementation/g1/heapRegion.cpp	Fri Jun 28 18:28:17 2013 +0200
@@ -798,7 +798,7 @@
     if (!g1->is_obj_dead_cond(obj, this, vo)) {
       if (obj->is_oop()) {
         Klass* klass = obj->klass();
-        if (!klass->is_metadata()) {
+        if (!klass->is_metaspace_object()) {
           gclog_or_tty->print_cr("klass "PTR_FORMAT" of object "PTR_FORMAT" "
                                  "not metadata", klass, obj);
           *failures = true;
--- a/hotspot/src/share/vm/interpreter/bytecodeInterpreter.cpp	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/src/share/vm/interpreter/bytecodeInterpreter.cpp	Fri Jun 28 18:28:17 2013 +0200
@@ -481,9 +481,9 @@
     // So we have a second version of the assertion which handles the case where EnableInvokeDynamic was
     // switched off because of the wrong classes.
     if (EnableInvokeDynamic || FLAG_IS_CMDLINE(EnableInvokeDynamic)) {
-      assert(abs(istate->_stack_base - istate->_stack_limit) == (istate->_method->max_stack() + 1), "bad stack limit");
+      assert(labs(istate->_stack_base - istate->_stack_limit) == (istate->_method->max_stack() + 1), "bad stack limit");
     } else {
-      const int extra_stack_entries = Method::extra_stack_entries_for_indy;
+      const int extra_stack_entries = Method::extra_stack_entries_for_jsr292;
       assert(labs(istate->_stack_base - istate->_stack_limit) == (istate->_method->max_stack() + extra_stack_entries
                                                                                                + 1), "bad stack limit");
     }
@@ -2233,7 +2233,7 @@
         }
 
         Method* method = cache->f1_as_method();
-        VERIFY_OOP(method);
+        if (VerifyOops) method->verify();
 
         if (cache->has_appendix()) {
           ConstantPool* constants = METHOD->constants();
@@ -2265,8 +2265,7 @@
         }
 
         Method* method = cache->f1_as_method();
-
-        VERIFY_OOP(method);
+        if (VerifyOops) method->verify();
 
         if (cache->has_appendix()) {
           ConstantPool* constants = METHOD->constants();
--- a/hotspot/src/share/vm/memory/allocation.cpp	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/src/share/vm/memory/allocation.cpp	Fri Jun 28 18:28:17 2013 +0200
@@ -71,13 +71,6 @@
   return MetaspaceShared::is_in_shared_space(this);
 }
 
-bool MetaspaceObj::is_metadata() const {
-  // GC Verify checks use this in guarantees.
-  // TODO: either replace them with is_metaspace_object() or remove them.
-  // is_metaspace_object() is slower than this test.  This test doesn't
-  // seem very useful for metaspace objects anymore though.
-  return !Universe::heap()->is_in_reserved(this);
-}
 
 bool MetaspaceObj::is_metaspace_object() const {
   return Metaspace::contains((void*)this);
--- a/hotspot/src/share/vm/memory/allocation.hpp	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/src/share/vm/memory/allocation.hpp	Fri Jun 28 18:28:17 2013 +0200
@@ -264,7 +264,6 @@
 
 class MetaspaceObj {
  public:
-  bool is_metadata() const;
   bool is_metaspace_object() const;  // more specific test but slower
   bool is_shared() const;
   void print_address_on(outputStream* st) const;  // nonvirtual address printing
--- a/hotspot/src/share/vm/memory/heapInspection.cpp	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/src/share/vm/memory/heapInspection.cpp	Fri Jun 28 18:28:17 2013 +0200
@@ -157,7 +157,6 @@
 }
 
 uint KlassInfoTable::hash(const Klass* p) {
-  assert(p->is_metadata(), "all klasses are metadata");
   return (uint)(((uintptr_t)p - (uintptr_t)_ref) >> 2);
 }
 
--- a/hotspot/src/share/vm/oops/arrayKlass.cpp	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/src/share/vm/oops/arrayKlass.cpp	Fri Jun 28 18:28:17 2013 +0200
@@ -221,8 +221,8 @@
 
 // Verification
 
-void ArrayKlass::verify_on(outputStream* st) {
-  Klass::verify_on(st);
+void ArrayKlass::verify_on(outputStream* st, bool check_dictionary) {
+  Klass::verify_on(st, check_dictionary);
 
   if (component_mirror() != NULL) {
     guarantee(component_mirror()->klass() != NULL, "should have a class");
--- a/hotspot/src/share/vm/oops/arrayKlass.hpp	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/src/share/vm/oops/arrayKlass.hpp	Fri Jun 28 18:28:17 2013 +0200
@@ -152,7 +152,7 @@
   void oop_print_on(oop obj, outputStream* st);
 
   // Verification
-  void verify_on(outputStream* st);
+  void verify_on(outputStream* st, bool check_dictionary);
 
   void oop_verify_on(oop obj, outputStream* st);
 };
--- a/hotspot/src/share/vm/oops/compiledICHolder.cpp	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/src/share/vm/oops/compiledICHolder.cpp	Fri Jun 28 18:28:17 2013 +0200
@@ -48,8 +48,6 @@
 // Verification
 
 void CompiledICHolder::verify_on(outputStream* st) {
-  guarantee(holder_method()->is_metadata(),   "should be in metaspace");
   guarantee(holder_method()->is_method(), "should be method");
-  guarantee(holder_klass()->is_metadata(),    "should be in metaspace");
   guarantee(holder_klass()->is_klass(),   "should be klass");
 }
--- a/hotspot/src/share/vm/oops/constMethod.cpp	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/src/share/vm/oops/constMethod.cpp	Fri Jun 28 18:28:17 2013 +0200
@@ -440,7 +440,6 @@
 
 void ConstMethod::verify_on(outputStream* st) {
   guarantee(is_constMethod(), "object must be constMethod");
-  guarantee(is_metadata(), err_msg("Should be metadata " PTR_FORMAT, this));
 
   // Verification can occur during oop construction before the method or
   // other fields have been initialized.
--- a/hotspot/src/share/vm/oops/constantPool.cpp	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/src/share/vm/oops/constantPool.cpp	Fri Jun 28 18:28:17 2013 +0200
@@ -2095,12 +2095,10 @@
     CPSlot entry = slot_at(i);
     if (tag.is_klass()) {
       if (entry.is_resolved()) {
-        guarantee(entry.get_klass()->is_metadata(), "should be metadata");
         guarantee(entry.get_klass()->is_klass(),    "should be klass");
       }
     } else if (tag.is_unresolved_klass()) {
       if (entry.is_resolved()) {
-        guarantee(entry.get_klass()->is_metadata(), "should be metadata");
         guarantee(entry.get_klass()->is_klass(),    "should be klass");
       }
     } else if (tag.is_symbol()) {
@@ -2112,13 +2110,11 @@
   if (cache() != NULL) {
     // Note: cache() can be NULL before a class is completely setup or
     // in temporary constant pools used during constant pool merging
-    guarantee(cache()->is_metadata(),          "should be metadata");
     guarantee(cache()->is_constantPoolCache(), "should be constant pool cache");
   }
   if (pool_holder() != NULL) {
     // Note: pool_holder() can be NULL in temporary constant pools
     // used during constant pool merging
-    guarantee(pool_holder()->is_metadata(), "should be metadata");
     guarantee(pool_holder()->is_klass(),    "should be klass");
   }
 }
--- a/hotspot/src/share/vm/oops/instanceKlass.cpp	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/src/share/vm/oops/instanceKlass.cpp	Fri Jun 28 18:28:17 2013 +0200
@@ -3088,27 +3088,26 @@
   virtual void do_oop(narrowOop* p) { VerifyFieldClosure::do_oop_work(p); }
 };
 
-void InstanceKlass::verify_on(outputStream* st) {
-  Klass::verify_on(st);
-  Thread *thread = Thread::current();
-
+void InstanceKlass::verify_on(outputStream* st, bool check_dictionary) {
 #ifndef PRODUCT
-  // Avoid redundant verifies
+  // Avoid redundant verifies, this really should be in product.
   if (_verify_count == Universe::verify_count()) return;
   _verify_count = Universe::verify_count();
 #endif
-  // Verify that klass is present in SystemDictionary
-  if (is_loaded() && !is_anonymous()) {
+
+  // Verify Klass
+  Klass::verify_on(st, check_dictionary);
+
+  // Verify that klass is present in SystemDictionary if not already
+  // verifying the SystemDictionary.
+  if (is_loaded() && !is_anonymous() && check_dictionary) {
     Symbol* h_name = name();
     SystemDictionary::verify_obj_klass_present(h_name, class_loader_data());
   }
 
-  // Verify static fields
-  VerifyFieldClosure blk;
-
   // Verify vtables
   if (is_linked()) {
-    ResourceMark rm(thread);
+    ResourceMark rm;
     // $$$ This used to be done only for m/s collections.  Doing it
     // always seemed a valid generalization.  (DLD -- 6/00)
     vtable()->verify(st);
@@ -3116,7 +3115,6 @@
 
   // Verify first subklass
   if (subklass_oop() != NULL) {
-    guarantee(subklass_oop()->is_metadata(), "should be in metaspace");
     guarantee(subklass_oop()->is_klass(), "should be klass");
   }
 
@@ -3128,7 +3126,6 @@
       fatal(err_msg("subclass points to itself " PTR_FORMAT, sib));
     }
 
-    guarantee(sib->is_metadata(), "should be in metaspace");
     guarantee(sib->is_klass(), "should be klass");
     guarantee(sib->super() == super, "siblings should have same superklass");
   }
@@ -3164,7 +3161,6 @@
   if (methods() != NULL) {
     Array<Method*>* methods = this->methods();
     for (int j = 0; j < methods->length(); j++) {
-      guarantee(methods->at(j)->is_metadata(), "should be in metaspace");
       guarantee(methods->at(j)->is_method(), "non-method in methods array");
     }
     for (int j = 0; j < methods->length() - 1; j++) {
@@ -3202,16 +3198,13 @@
 
   // Verify other fields
   if (array_klasses() != NULL) {
-    guarantee(array_klasses()->is_metadata(), "should be in metaspace");
     guarantee(array_klasses()->is_klass(), "should be klass");
   }
   if (constants() != NULL) {
-    guarantee(constants()->is_metadata(), "should be in metaspace");
     guarantee(constants()->is_constantPool(), "should be constant pool");
   }
   const Klass* host = host_klass();
   if (host != NULL) {
-    guarantee(host->is_metadata(), "should be in metaspace");
     guarantee(host->is_klass(), "should be klass");
   }
 }
--- a/hotspot/src/share/vm/oops/instanceKlass.hpp	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/src/share/vm/oops/instanceKlass.hpp	Fri Jun 28 18:28:17 2013 +0200
@@ -1050,7 +1050,7 @@
   const char* internal_name() const;
 
   // Verification
-  void verify_on(outputStream* st);
+  void verify_on(outputStream* st, bool check_dictionary);
 
   void oop_verify_on(oop obj, outputStream* st);
 };
--- a/hotspot/src/share/vm/oops/klass.cpp	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/src/share/vm/oops/klass.cpp	Fri Jun 28 18:28:17 2013 +0200
@@ -377,7 +377,6 @@
 }
 
 bool Klass::is_loader_alive(BoolObjectClosure* is_alive) {
-  assert(is_metadata(), "p is not meta-data");
   assert(ClassLoaderDataGraph::contains((address)this), "is in the metaspace");
 
 #ifdef ASSERT
@@ -648,27 +647,24 @@
 
 // Verification
 
-void Klass::verify_on(outputStream* st) {
-  guarantee(!Universe::heap()->is_in_reserved(this), "Shouldn't be");
-  guarantee(this->is_metadata(), "should be in metaspace");
+void Klass::verify_on(outputStream* st, bool check_dictionary) {
 
+  // This can be expensive, but it is worth checking that this klass is actually
+  // in the CLD graph but not in production.
   assert(ClassLoaderDataGraph::contains((address)this), "Should be");
 
   guarantee(this->is_klass(),"should be klass");
 
   if (super() != NULL) {
-    guarantee(super()->is_metadata(), "should be in metaspace");
     guarantee(super()->is_klass(), "should be klass");
   }
   if (secondary_super_cache() != NULL) {
     Klass* ko = secondary_super_cache();
-    guarantee(ko->is_metadata(), "should be in metaspace");
     guarantee(ko->is_klass(), "should be klass");
   }
   for ( uint i = 0; i < primary_super_limit(); i++ ) {
     Klass* ko = _primary_supers[i];
     if (ko != NULL) {
-      guarantee(ko->is_metadata(), "should be in metaspace");
       guarantee(ko->is_klass(), "should be klass");
     }
   }
@@ -680,7 +676,6 @@
 
 void Klass::oop_verify_on(oop obj, outputStream* st) {
   guarantee(obj->is_oop(),  "should be oop");
-  guarantee(obj->klass()->is_metadata(), "should not be in Java heap");
   guarantee(obj->klass()->is_klass(), "klass field is not a klass");
 }
 
--- a/hotspot/src/share/vm/oops/klass.hpp	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/src/share/vm/oops/klass.hpp	Fri Jun 28 18:28:17 2013 +0200
@@ -703,8 +703,8 @@
   virtual const char* internal_name() const = 0;
 
   // Verification
-  virtual void verify_on(outputStream* st);
-  void verify() { verify_on(tty); }
+  virtual void verify_on(outputStream* st, bool check_dictionary);
+  void verify(bool check_dictionary = true) { verify_on(tty, check_dictionary); }
 
 #ifndef PRODUCT
   void verify_vtable_index(int index);
--- a/hotspot/src/share/vm/oops/method.cpp	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/src/share/vm/oops/method.cpp	Fri Jun 28 18:28:17 2013 +0200
@@ -1969,14 +1969,9 @@
 
 void Method::verify_on(outputStream* st) {
   guarantee(is_method(), "object must be method");
-  guarantee(is_metadata(),  "should be metadata");
   guarantee(constants()->is_constantPool(), "should be constant pool");
-  guarantee(constants()->is_metadata(), "should be metadata");
   guarantee(constMethod()->is_constMethod(), "should be ConstMethod*");
-  guarantee(constMethod()->is_metadata(), "should be metadata");
   MethodData* md = method_data();
   guarantee(md == NULL ||
-      md->is_metadata(), "should be metadata");
-  guarantee(md == NULL ||
       md->is_methodData(), "should be method data");
 }
--- a/hotspot/src/share/vm/oops/objArrayKlass.cpp	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/src/share/vm/oops/objArrayKlass.cpp	Fri Jun 28 18:28:17 2013 +0200
@@ -676,11 +676,9 @@
 
 // Verification
 
-void ObjArrayKlass::verify_on(outputStream* st) {
-  ArrayKlass::verify_on(st);
-  guarantee(element_klass()->is_metadata(), "should be in metaspace");
+void ObjArrayKlass::verify_on(outputStream* st, bool check_dictionary) {
+  ArrayKlass::verify_on(st, check_dictionary);
   guarantee(element_klass()->is_klass(), "should be klass");
-  guarantee(bottom_klass()->is_metadata(), "should be in metaspace");
   guarantee(bottom_klass()->is_klass(), "should be klass");
   Klass* bk = bottom_klass();
   guarantee(bk->oop_is_instance() || bk->oop_is_typeArray(),  "invalid bottom klass");
--- a/hotspot/src/share/vm/oops/objArrayKlass.hpp	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/src/share/vm/oops/objArrayKlass.hpp	Fri Jun 28 18:28:17 2013 +0200
@@ -151,7 +151,7 @@
   const char* internal_name() const;
 
   // Verification
-  void verify_on(outputStream* st);
+  void verify_on(outputStream* st, bool check_dictionary);
 
   void oop_verify_on(oop obj, outputStream* st);
 };
--- a/hotspot/src/share/vm/oops/symbol.cpp	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/src/share/vm/oops/symbol.cpp	Fri Jun 28 18:28:17 2013 +0200
@@ -32,7 +32,9 @@
 #include "memory/allocation.inline.hpp"
 #include "memory/resourceArea.hpp"
 
-Symbol::Symbol(const u1* name, int length, int refcount) : _refcount(refcount), _length(length) {
+Symbol::Symbol(const u1* name, int length, int refcount) {
+  _refcount = refcount;
+  _length = length;
   _identity_hash = os::random();
   for (int i = 0; i < _length; i++) {
     byte_at_put(i, name[i]);
--- a/hotspot/src/share/vm/oops/symbol.hpp	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/src/share/vm/oops/symbol.hpp	Fri Jun 28 18:28:17 2013 +0200
@@ -27,6 +27,7 @@
 
 #include "utilities/utf8.hpp"
 #include "memory/allocation.hpp"
+#include "runtime/atomic.hpp"
 
 // A Symbol is a canonicalized string.
 // All Symbols reside in global SymbolTable and are reference counted.
@@ -101,14 +102,22 @@
 // type without virtual functions.
 class ClassLoaderData;
 
-class Symbol : public MetaspaceObj {
+// We separate the fields in SymbolBase from Symbol::_body so that
+// Symbol::size(int) can correctly calculate the space needed.
+class SymbolBase : public MetaspaceObj {
+ public:
+  ATOMIC_SHORT_PAIR(
+    volatile short _refcount,  // needs atomic operation
+    unsigned short _length     // number of UTF8 characters in the symbol (does not need atomic op)
+  );
+  int            _identity_hash;
+};
+
+class Symbol : private SymbolBase {
   friend class VMStructs;
   friend class SymbolTable;
   friend class MoveSymbols;
  private:
-  volatile int   _refcount;
-  int            _identity_hash;
-  unsigned short _length; // number of UTF8 characters in the symbol
   jbyte _body[1];
 
   enum {
@@ -117,7 +126,7 @@
   };
 
   static int size(int length) {
-    size_t sz = heap_word_size(sizeof(Symbol) + (length > 0 ? length - 1 : 0));
+    size_t sz = heap_word_size(sizeof(SymbolBase) + (length > 0 ? length : 0));
     return align_object_size(sz);
   }
 
--- a/hotspot/src/share/vm/opto/memnode.cpp	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/src/share/vm/opto/memnode.cpp	Fri Jun 28 18:28:17 2013 +0200
@@ -2943,11 +2943,19 @@
       Node* my_mem = in(MemBarNode::Precedent);
       // The MembarAquire may keep an unused LoadNode alive through the Precedent edge
       if ((my_mem != NULL) && (opc == Op_MemBarAcquire) && (my_mem->outcnt() == 1)) {
-        assert(my_mem->unique_out() == this, "sanity");
-        phase->hash_delete(this);
-        del_req(Precedent);
-        phase->is_IterGVN()->_worklist.push(my_mem); // remove dead node later
-        my_mem = NULL;
+        // if the Precedent is a decodeN and its input (a Load) is used at more than one place,
+        // replace this Precedent (decodeN) with the Load instead.
+        if ((my_mem->Opcode() == Op_DecodeN) && (my_mem->in(1)->outcnt() > 1))  {
+          Node* load_node = my_mem->in(1);
+          set_req(MemBarNode::Precedent, load_node);
+          phase->is_IterGVN()->_worklist.push(my_mem);
+          my_mem = load_node;
+        } else {
+          assert(my_mem->unique_out() == this, "sanity");
+          del_req(Precedent);
+          phase->is_IterGVN()->_worklist.push(my_mem); // remove dead node later
+          my_mem = NULL;
+        }
       }
       if (my_mem != NULL && my_mem->is_Mem()) {
         const TypeOopPtr* t_oop = my_mem->in(MemNode::Address)->bottom_type()->isa_oopptr();
--- a/hotspot/src/share/vm/runtime/atomic.cpp	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/src/share/vm/runtime/atomic.cpp	Fri Jun 28 18:28:17 2013 +0200
@@ -80,3 +80,32 @@
   }
   return old;
 }
+
+void Atomic::inc(volatile short* dest) {
+  // Most platforms do not support atomic increment on a 2-byte value. However,
+  // if the value occupies the most significant 16 bits of an aligned 32-bit
+  // word, then we can do this with an atomic add of 0x10000 to the 32-bit word.
+  //
+  // The least significant parts of this 32-bit word will never be affected, even
+  // in case of overflow/underflow.
+  //
+  // Use the ATOMIC_SHORT_PAIR macro to get the desired alignment.
+#ifdef VM_LITTLE_ENDIAN
+  assert((intx(dest) & 0x03) == 0x02, "wrong alignment");
+  (void)Atomic::add(0x10000, (volatile int*)(dest-1));
+#else
+  assert((intx(dest) & 0x03) == 0x00, "wrong alignment");
+  (void)Atomic::add(0x10000, (volatile int*)(dest));
+#endif
+}
+
+void Atomic::dec(volatile short* dest) {
+#ifdef VM_LITTLE_ENDIAN
+  assert((intx(dest) & 0x03) == 0x02, "wrong alignment");
+  (void)Atomic::add(-0x10000, (volatile int*)(dest-1));
+#else
+  assert((intx(dest) & 0x03) == 0x00, "wrong alignment");
+  (void)Atomic::add(-0x10000, (volatile int*)(dest));
+#endif
+}
+
--- a/hotspot/src/share/vm/runtime/atomic.hpp	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/src/share/vm/runtime/atomic.hpp	Fri Jun 28 18:28:17 2013 +0200
@@ -64,11 +64,13 @@
 
   // Atomically increment location
   inline static void inc    (volatile jint*     dest);
+         static void inc    (volatile jshort*   dest);
   inline static void inc_ptr(volatile intptr_t* dest);
   inline static void inc_ptr(volatile void*     dest);
 
   // Atomically decrement a location
   inline static void dec    (volatile jint*     dest);
+         static void dec    (volatile jshort*    dest);
   inline static void dec_ptr(volatile intptr_t* dest);
   inline static void dec_ptr(volatile void*     dest);
 
@@ -95,4 +97,24 @@
   inline static void*    cmpxchg_ptr(void*    exchange_value, volatile void*     dest, void*    compare_value);
 };
 
+// To use Atomic::inc(jshort* dest) and Atomic::dec(jshort* dest), the address must be specially
+// aligned, such that (*dest) occupies the upper 16 bits of an aligned 32-bit word. The best way to
+// achieve is to place your short value next to another short value, which doesn't need atomic ops.
+//
+// Example
+//  ATOMIC_SHORT_PAIR(
+//    volatile short _refcount,  // needs atomic operation
+//    unsigned short _length     // number of UTF8 characters in the symbol (does not need atomic op)
+//  );
+
+#ifdef VM_LITTLE_ENDIAN
+#define ATOMIC_SHORT_PAIR(atomic_decl, non_atomic_decl) \
+    non_atomic_decl; \
+    atomic_decl
+#else
+#define ATOMIC_SHORT_PAIR(atomic_decl, non_atomic_decl) \
+    atomic_decl ; \
+    non_atomic_decl
+#endif
+
 #endif // SHARE_VM_RUNTIME_ATOMIC_HPP
--- a/hotspot/src/share/vm/runtime/frame.cpp	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/src/share/vm/runtime/frame.cpp	Fri Jun 28 18:28:17 2013 +0200
@@ -387,7 +387,6 @@
 Method* frame::interpreter_frame_method() const {
   assert(is_interpreted_frame(), "interpreted frame expected");
   Method* m = *interpreter_frame_method_addr();
-  assert(m->is_metadata(), "bad Method* in interpreter frame");
   assert(m->is_method(), "not a Method*");
   return m;
 }
@@ -713,7 +712,8 @@
       Method* m = ((nmethod *)_cb)->method();
       if (m != NULL) {
         m->name_and_sig_as_C_string(buf, buflen);
-        st->print("J  %s", buf);
+        st->print("J  %s @ " PTR_FORMAT " [" PTR_FORMAT "+" SIZE_FORMAT "]",
+                  buf, _pc, _cb->code_begin(), _pc - _cb->code_begin());
       } else {
         st->print("J  " PTR_FORMAT, pc());
       }
--- a/hotspot/src/share/vm/runtime/globals.cpp	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/src/share/vm/runtime/globals.cpp	Fri Jun 28 18:28:17 2013 +0200
@@ -73,12 +73,6 @@
       strcmp(kind, "{C2 diagnostic}") == 0 ||
       strcmp(kind, "{ARCH diagnostic}") == 0 ||
       strcmp(kind, "{Shark diagnostic}") == 0) {
-    if (strcmp(name, "EnableInvokeDynamic") == 0 && UnlockExperimentalVMOptions && !UnlockDiagnosticVMOptions) {
-      // transitional logic to allow tests to run until they are changed
-      static int warned;
-      if (++warned == 1)  warning("Use -XX:+UnlockDiagnosticVMOptions before EnableInvokeDynamic flag");
-      return true;
-    }
     return UnlockDiagnosticVMOptions;
   } else if (strcmp(kind, "{experimental}") == 0 ||
              strcmp(kind, "{C2 experimental}") == 0 ||
--- a/hotspot/src/share/vm/runtime/sharedRuntime.cpp	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/src/share/vm/runtime/sharedRuntime.cpp	Fri Jun 28 18:28:17 2013 +0200
@@ -813,8 +813,11 @@
           // 3. Implict null exception in nmethod
 
           if (!cb->is_nmethod()) {
-            guarantee(cb->is_adapter_blob() || cb->is_method_handles_adapter_blob(),
-                      "exception happened outside interpreter, nmethods and vtable stubs (1)");
+            bool is_in_blob = cb->is_adapter_blob() || cb->is_method_handles_adapter_blob();
+            if (!is_in_blob) {
+              cb->print();
+              fatal(err_msg("exception happened outside interpreter, nmethods and vtable stubs at pc " INTPTR_FORMAT, pc));
+            }
             Events::log_exception(thread, "NullPointerException in code blob at " INTPTR_FORMAT, pc);
             // There is no handler here, so we will simply unwind.
             return StubRoutines::throw_NullPointerException_at_call_entry();
--- a/hotspot/src/share/vm/runtime/thread.cpp	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/src/share/vm/runtime/thread.cpp	Fri Jun 28 18:28:17 2013 +0200
@@ -220,7 +220,7 @@
   set_osthread(NULL);
   set_resource_area(new (mtThread)ResourceArea());
   set_handle_area(new (mtThread) HandleArea(NULL));
-  set_metadata_handles(new (ResourceObj::C_HEAP, mtClass) GrowableArray<Metadata*>(300, true));
+  set_metadata_handles(new (ResourceObj::C_HEAP, mtClass) GrowableArray<Metadata*>(30, true));
   set_active_handles(NULL);
   set_free_handle_block(NULL);
   set_last_handle_mark(NULL);
--- a/hotspot/src/share/vm/runtime/vmStructs.cpp	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/src/share/vm/runtime/vmStructs.cpp	Fri Jun 28 18:28:17 2013 +0200
@@ -379,7 +379,7 @@
   nonstatic_field(ConstMethod,          _size_of_parameters,                           u2)                                    \
   nonstatic_field(ObjArrayKlass,               _element_klass,                                Klass*)                                \
   nonstatic_field(ObjArrayKlass,               _bottom_klass,                                 Klass*)                                \
-  volatile_nonstatic_field(Symbol,             _refcount,                                     int)                                   \
+  volatile_nonstatic_field(Symbol,             _refcount,                                     short)                                 \
   nonstatic_field(Symbol,                      _identity_hash,                                int)                                   \
   nonstatic_field(Symbol,                      _length,                                       unsigned short)                        \
   unchecked_nonstatic_field(Symbol,            _body,                                         sizeof(jbyte)) /* NOTE: no type */     \
--- a/hotspot/src/share/vm/shark/sharkBuilder.cpp	Thu Jun 27 09:59:59 2013 +0200
+++ b/hotspot/src/share/vm/shark/sharkBuilder.cpp	Fri Jun 28 18:28:17 2013 +0200
@@ -471,7 +471,7 @@
 
 Value* SharkBuilder::CreateInlineMetadata(Metadata* metadata, llvm::PointerType* type, const char* name) {
   assert(metadata != NULL, "inlined metadata must not be NULL");
-  assert(metadata->is_metadata(), "sanity check");
+  assert(metadata->is_metaspace_object(), "sanity check");
   return CreateLoad(
     CreateIntToPtr(
       code_buffer_address(code_buffer()->inline_Metadata(metadata)),
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/8005956/PolynomialRoot.java	Fri Jun 28 18:28:17 2013 +0200
@@ -0,0 +1,776 @@
+//package com.polytechnik.utils;
+/*
+ * (C) Vladislav Malyshkin 2010
+ * This file is under GPL version 3.
+ *
+ */
+
+/** Polynomial root.
+ *  @version $Id: PolynomialRoot.java,v 1.105 2012/08/18 00:00:05 mal Exp $
+ *  @author Vladislav Malyshkin mal@gromco.com
+ */
+
+/**
+* @test
+* @bug 8005956
+* @summary C2: assert(!def_outside->member(r)) failed: Use of external LRG overlaps the same LRG defined in this block
+*
+* @run main PolynomialRoot
+*/
+
+public class PolynomialRoot  {
+
+
+public static int findPolynomialRoots(final int n,
+              final double [] p,
+              final double [] re_root,
+              final double [] im_root)
+{
+    if(n==4)
+    {
+  return root4(p,re_root,im_root);
+    }
+    else if(n==3)
+    {
+  return root3(p,re_root,im_root);
+    }
+    else if(n==2)
+    {
+  return root2(p,re_root,im_root);
+    }
+    else if(n==1)
+    {
+  return root1(p,re_root,im_root);
+    }
+    else
+    {
+  throw new RuntimeException("n="+n+" is not supported yet");
+    }
+}
+
+
+
+static final double SQRT3=Math.sqrt(3.0),SQRT2=Math.sqrt(2.0);
+
+
+private static final boolean PRINT_DEBUG=false;
+
+public static int root4(final double [] p,final double [] re_root,final double [] im_root)
+{
+  if(PRINT_DEBUG) System.err.println("=====================root4:p="+java.util.Arrays.toString(p));
+  final double vs=p[4];
+  if(PRINT_DEBUG) System.err.println("p[4]="+p[4]);
+  if(!(Math.abs(vs)>EPS))
+  {
+      re_root[0]=re_root[1]=re_root[2]=re_root[3]=
+    im_root[0]=im_root[1]=im_root[2]=im_root[3]=Double.NaN;
+      return -1;
+  }
+
+/* zsolve_quartic.c - finds the complex roots of
+ *  x^4 + a x^3 + b x^2 + c x + d = 0
+ */
+  final double a=p[3]/vs,b=p[2]/vs,c=p[1]/vs,d=p[0]/vs;
+  if(PRINT_DEBUG) System.err.println("input a="+a+" b="+b+" c="+c+" d="+d);
+
+
+  final double r4 = 1.0 / 4.0;
+  final double q2 = 1.0 / 2.0, q4 = 1.0 / 4.0, q8 = 1.0 / 8.0;
+  final double q1 = 3.0 / 8.0, q3 = 3.0 / 16.0;
+  final int mt;
+
+  /* Deal easily with the cases where the quartic is degenerate. The
+   * ordering of solutions is done explicitly. */
+  if (0 == b && 0 == c)
+  {
+      if (0 == d)
+      {
+    re_root[0]=-a;
+    im_root[0]=im_root[1]=im_root[2]=im_root[3]=0;
+    re_root[1]=re_root[2]=re_root[3]=0;
+    return 4;
+      }
+      else if (0 == a)
+      {
+    if (d > 0)
+    {
+        final double sq4 = Math.sqrt(Math.sqrt(d));
+        re_root[0]=sq4*SQRT2/2;
+        im_root[0]=re_root[0];
+        re_root[1]=-re_root[0];
+        im_root[1]=re_root[0];
+        re_root[2]=-re_root[0];
+        im_root[2]=-re_root[0];
+        re_root[3]=re_root[0];
+        im_root[3]=-re_root[0];
+        if(PRINT_DEBUG) System.err.println("Path a=0 d>0");
+    }
+    else
+    {
+        final double sq4 = Math.sqrt(Math.sqrt(-d));
+        re_root[0]=sq4;
+        im_root[0]=0;
+        re_root[1]=0;
+        im_root[1]=sq4;
+        re_root[2]=0;
+        im_root[2]=-sq4;
+        re_root[3]=-sq4;
+        im_root[3]=0;
+        if(PRINT_DEBUG) System.err.println("Path a=0 d<0");
+    }
+    return 4;
+      }
+  }
+
+  if (0.0 == c && 0.0 == d)
+  {
+      root2(new double []{p[2],p[3],p[4]},re_root,im_root);
+      re_root[2]=im_root[2]=re_root[3]=im_root[3]=0;
+      return 4;
+  }
+
+  if(PRINT_DEBUG) System.err.println("G Path c="+c+" d="+d);
+  final double [] u=new double[3];
+
+  if(PRINT_DEBUG) System.err.println("Generic Path");
+  /* For non-degenerate solutions, proceed by constructing and
+   * solving the resolvent cubic */
+  final double aa = a * a;
+  final double pp = b - q1 * aa;
+  final double qq = c - q2 * a * (b - q4 * aa);
+  final double rr = d - q4 * a * (c - q4 * a * (b - q3 * aa));
+  final double rc = q2 * pp , rc3 = rc / 3;
+  final double sc = q4 * (q4 * pp * pp - rr);
+  final double tc = -(q8 * qq * q8 * qq);
+  if(PRINT_DEBUG) System.err.println("aa="+aa+" pp="+pp+" qq="+qq+" rr="+rr+" rc="+rc+" sc="+sc+" tc="+tc);
+  final boolean flag_realroots;
+
+  /* This code solves the resolvent cubic in a convenient fashion
+   * for this implementation of the quartic. If there are three real
+   * roots, then they are placed directly into u[].  If two are
+   * complex, then the real root is put into u[0] and the real
+   * and imaginary part of the complex roots are placed into
+   * u[1] and u[2], respectively. */
+  {
+      final double qcub = (rc * rc - 3 * sc);
+      final double rcub = (rc*(2 * rc * rc - 9 * sc) + 27 * tc);
+
+      final double Q = qcub / 9;
+      final double R = rcub / 54;
+
+      final double Q3 = Q * Q * Q;
+      final double R2 = R * R;
+
+      final double CR2 = 729 * rcub * rcub;
+      final double CQ3 = 2916 * qcub * qcub * qcub;
+
+      if(PRINT_DEBUG) System.err.println("CR2="+CR2+" CQ3="+CQ3+" R="+R+" Q="+Q);
+
+      if (0 == R && 0 == Q)
+      {
+    flag_realroots=true;
+    u[0] = -rc3;
+    u[1] = -rc3;
+    u[2] = -rc3;
+      }
+      else if (CR2 == CQ3)
+      {
+    flag_realroots=true;
+    final double sqrtQ = Math.sqrt (Q);
+    if (R > 0)
+    {
+        u[0] = -2 * sqrtQ - rc3;
+        u[1] = sqrtQ - rc3;
+        u[2] = sqrtQ - rc3;
+    }
+    else
+    {
+        u[0] = -sqrtQ - rc3;
+        u[1] = -sqrtQ - rc3;
+        u[2] = 2 * sqrtQ - rc3;
+    }
+      }
+      else if (R2 < Q3)
+      {
+    flag_realroots=true;
+    final double ratio = (R >= 0?1:-1) * Math.sqrt (R2 / Q3);
+    final double theta = Math.acos (ratio);
+    final double norm = -2 * Math.sqrt (Q);
+
+    u[0] = norm * Math.cos (theta / 3) - rc3;
+    u[1] = norm * Math.cos ((theta + 2.0 * Math.PI) / 3) - rc3;
+    u[2] = norm * Math.cos ((theta - 2.0 * Math.PI) / 3) - rc3;
+      }
+      else
+      {
+    flag_realroots=false;
+    final double A = -(R >= 0?1:-1)*Math.pow(Math.abs(R)+Math.sqrt(R2-Q3),1.0/3.0);
+    final double B = Q / A;
+
+    u[0] = A + B - rc3;
+    u[1] = -0.5 * (A + B) - rc3;
+    u[2] = -(SQRT3*0.5) * Math.abs (A - B);
+      }
+      if(PRINT_DEBUG) System.err.println("u[0]="+u[0]+" u[1]="+u[1]+" u[2]="+u[2]+" qq="+qq+" disc="+((CR2 - CQ3) / 2125764.0));
+  }
+  /* End of solution to resolvent cubic */
+
+  /* Combine the square roots of the roots of the cubic
+   * resolvent appropriately. Also, calculate 'mt' which
+   * designates the nature of the roots:
+   * mt=1 : 4 real roots
+   * mt=2 : 0 real roots
+   * mt=3 : 2 real roots
+   */
+
+
+  final double w1_re,w1_im,w2_re,w2_im,w3_re,w3_im,mod_w1w2,mod_w1w2_squared;
+  if (flag_realroots)
+  {
+      mod_w1w2=-1;
+      mt = 2;
+      int jmin=0;
+      double vmin=Math.abs(u[jmin]);
+      for(int j=1;j<3;j++)
+      {
+    final double vx=Math.abs(u[j]);
+    if(vx<vmin)
+    {
+        vmin=vx;
+        jmin=j;
+    }
+      }
+      final double u1=u[(jmin+1)%3],u2=u[(jmin+2)%3];
+      mod_w1w2_squared=Math.abs(u1*u2);
+      if(u1>=0)
+      {
+    w1_re=Math.sqrt(u1);
+    w1_im=0;
+      }
+      else
+      {
+    w1_re=0;
+    w1_im=Math.sqrt(-u1);
+      }
+      if(u2>=0)
+      {
+    w2_re=Math.sqrt(u2);
+    w2_im=0;
+      }
+      else
+      {
+    w2_re=0;
+    w2_im=Math.sqrt(-u2);
+      }
+      if(PRINT_DEBUG) System.err.println("u1="+u1+" u2="+u2+" jmin="+jmin);
+  }
+  else
+  {
+      mt = 3;
+      final double w_mod2_sq=u[1]*u[1]+u[2]*u[2],w_mod2=Math.sqrt(w_mod2_sq),w_mod=Math.sqrt(w_mod2);
+      if(w_mod2_sq<=0)
+      {
+    w1_re=w1_im=0;
+      }
+      else
+      {
+    // calculate square root of a complex number (u[1],u[2])
+    // the result is in the (w1_re,w1_im)
+    final double absu1=Math.abs(u[1]),absu2=Math.abs(u[2]),w;
+    if(absu1>=absu2)
+    {
+        final double t=absu2/absu1;
+        w=Math.sqrt(absu1*0.5 * (1.0 + Math.sqrt(1.0 + t * t)));
+        if(PRINT_DEBUG) System.err.println(" Path1 ");
+    }
+    else
+    {
+        final double t=absu1/absu2;
+        w=Math.sqrt(absu2*0.5 * (t + Math.sqrt(1.0 + t * t)));
+        if(PRINT_DEBUG) System.err.println(" Path1a ");
+    }
+    if(u[1]>=0)
+    {
+        w1_re=w;
+        w1_im=u[2]/(2*w);
+        if(PRINT_DEBUG) System.err.println(" Path2 ");
+    }
+    else
+    {
+        final double vi = (u[2] >= 0) ? w : -w;
+        w1_re=u[2]/(2*vi);
+        w1_im=vi;
+        if(PRINT_DEBUG) System.err.println(" Path2a ");
+    }
+      }
+      final double absu0=Math.abs(u[0]);
+      if(w_mod2>=absu0)
+      {
+    mod_w1w2=w_mod2;
+    mod_w1w2_squared=w_mod2_sq;
+    w2_re=w1_re;
+    w2_im=-w1_im;
+      }
+      else
+      {
+    mod_w1w2=-1;
+    mod_w1w2_squared=w_mod2*absu0;
+    if(u[0]>=0)
+    {
+        w2_re=Math.sqrt(absu0);
+        w2_im=0;
+    }
+    else
+    {
+        w2_re=0;
+        w2_im=Math.sqrt(absu0);
+    }
+      }
+      if(PRINT_DEBUG) System.err.println("u[0]="+u[0]+"u[1]="+u[1]+" u[2]="+u[2]+" absu0="+absu0+" w_mod="+w_mod+" w_mod2="+w_mod2);
+  }
+
+  /* Solve the quadratic in order to obtain the roots
+   * to the quartic */
+  if(mod_w1w2>0)
+  {
+      // a shorcut to reduce rounding error
+      w3_re=qq/(-8)/mod_w1w2;
+      w3_im=0;
+  }
+  else if(mod_w1w2_squared>0)
+  {
+      // regular path
+      final double mqq8n=qq/(-8)/mod_w1w2_squared;
+      w3_re=mqq8n*(w1_re*w2_re-w1_im*w2_im);
+      w3_im=-mqq8n*(w1_re*w2_im+w2_re*w1_im);
+  }
+  else
+  {
+      // typically occur when qq==0
+      w3_re=w3_im=0;
+  }
+
+  final double h = r4 * a;
+  if(PRINT_DEBUG) System.err.println("w1_re="+w1_re+" w1_im="+w1_im+" w2_re="+w2_re+" w2_im="+w2_im+" w3_re="+w3_re+" w3_im="+w3_im+" h="+h);
+
+  re_root[0]=w1_re+w2_re+w3_re-h;
+  im_root[0]=w1_im+w2_im+w3_im;
+  re_root[1]=-(w1_re+w2_re)+w3_re-h;
+  im_root[1]=-(w1_im+w2_im)+w3_im;
+  re_root[2]=w2_re-w1_re-w3_re-h;
+  im_root[2]=w2_im-w1_im-w3_im;
+  re_root[3]=w1_re-w2_re-w3_re-h;
+  im_root[3]=w1_im-w2_im-w3_im;
+
+  return 4;
+}
+
+
+
+    static void setRandomP(final double [] p,final int n,java.util.Random r)
+    {
+  if(r.nextDouble()<0.1)
+  {
+      // integer coefficiens
+      for(int j=0;j<p.length;j++)
+      {
+    if(j<=n)
+    {
+        p[j]=(r.nextInt(2)<=0?-1:1)*r.nextInt(10);
+    }
+    else
+    {
+        p[j]=0;
+    }
+      }
+  }
+  else
+  {
+      // real coefficiens
+      for(int j=0;j<p.length;j++)
+      {
+    if(j<=n)
+    {
+        p[j]=-1+2*r.nextDouble();
+    }
+    else
+    {
+        p[j]=0;
+    }
+      }
+  }
+  if(Math.abs(p[n])<1e-2)
+  {
+      p[n]=(r.nextInt(2)<=0?-1:1)*(0.1+r.nextDouble());
+  }
+    }
+
+
+    static void checkValues(final double [] p,
+          final int n,
+          final double rex,
+          final double imx,
+          final double eps,
+          final String txt)
+    {
+  double res=0,ims=0,sabs=0;
+  final double xabs=Math.abs(rex)+Math.abs(imx);
+  for(int k=n;k>=0;k--)
+  {
+      final double res1=(res*rex-ims*imx)+p[k];
+      final double ims1=(ims*rex+res*imx);
+      res=res1;
+      ims=ims1;
+      sabs+=xabs*sabs+p[k];
+  }
+  sabs=Math.abs(sabs);
+  if(false && sabs>1/eps?
+     (!(Math.abs(res/sabs)<=eps)||!(Math.abs(ims/sabs)<=eps))
+     :
+     (!(Math.abs(res)<=eps)||!(Math.abs(ims)<=eps)))
+  {
+      throw new RuntimeException(
+    getPolinomTXT(p)+"\n"+
+    "\t x.r="+rex+" x.i="+imx+"\n"+
+    "res/sabs="+(res/sabs)+" ims/sabs="+(ims/sabs)+
+    " sabs="+sabs+
+    "\nres="+res+" ims="+ims+" n="+n+" eps="+eps+" "+
+    " sabs>1/eps="+(sabs>1/eps)+
+    " f1="+(!(Math.abs(res/sabs)<=eps)||!(Math.abs(ims/sabs)<=eps))+
+    " f2="+(!(Math.abs(res)<=eps)||!(Math.abs(ims)<=eps))+
+    " "+txt);
+  }
+    }
+
+    static String getPolinomTXT(final double [] p)
+    {
+  final StringBuilder buf=new StringBuilder();
+  buf.append("order="+(p.length-1)+"\t");
+  for(int k=0;k<p.length;k++)
+  {
+      buf.append("p["+k+"]="+p[k]+";");
+  }
+  return buf.toString();
+    }
+
+    static String getRootsTXT(int nr,final double [] re,final double [] im)
+    {
+  final StringBuilder buf=new StringBuilder();
+  for(int k=0;k<nr;k++)
+  {
+      buf.append("x."+k+"("+re[k]+","+im[k]+")\n");
+  }
+  return buf.toString();
+    }
+
+    static void testRoots(final int n,
+        final int n_tests,
+        final java.util.Random rn,
+        final double eps)
+    {
+  final double [] p=new double [n+1];
+  final double [] rex=new double [n],imx=new double [n];
+  for(int i=0;i<n_tests;i++)
+  {
+    for(int dg=n;dg-->-1;)
+    {
+      for(int dr=3;dr-->0;)
+      {
+        setRandomP(p,n,rn);
+        for(int j=0;j<=dg;j++)
+        {
+      p[j]=0;
+        }
+        if(dr==0)
+        {
+      p[0]=-1+2.0*rn.nextDouble();
+        }
+        else if(dr==1)
+        {
+      p[0]=p[1]=0;
+        }
+
+        findPolynomialRoots(n,p,rex,imx);
+
+        for(int j=0;j<n;j++)
+        {
+      //System.err.println("j="+j);
+      checkValues(p,n,rex[j],imx[j],eps," t="+i);
+        }
+      }
+    }
+  }
+  System.err.println("testRoots(): n_tests="+n_tests+" OK, dim="+n);
+    }
+
+
+
+
+    static final double EPS=0;
+
+    public static int root1(final double [] p,final double [] re_root,final double [] im_root)
+    {
+  if(!(Math.abs(p[1])>EPS))
+  {
+      re_root[0]=im_root[0]=Double.NaN;
+      return -1;
+  }
+  re_root[0]=-p[0]/p[1];
+  im_root[0]=0;
+  return 1;
+    }
+
+    public static int root2(final double [] p,final double [] re_root,final double [] im_root)
+    {
+  if(!(Math.abs(p[2])>EPS))
+  {
+      re_root[0]=re_root[1]=im_root[0]=im_root[1]=Double.NaN;
+      return -1;
+  }
+  final double b2=0.5*(p[1]/p[2]),c=p[0]/p[2],d=b2*b2-c;
+  if(d>=0)
+  {
+      final double sq=Math.sqrt(d);
+      if(b2<0)
+      {
+    re_root[1]=-b2+sq;
+    re_root[0]=c/re_root[1];
+      }
+      else if(b2>0)
+      {
+    re_root[0]=-b2-sq;
+    re_root[1]=c/re_root[0];
+      }
+      else
+      {
+    re_root[0]=-b2-sq;
+    re_root[1]=-b2+sq;
+      }
+      im_root[0]=im_root[1]=0;
+  }
+  else
+  {
+      final double sq=Math.sqrt(-d);
+      re_root[0]=re_root[1]=-b2;
+      im_root[0]=sq;
+      im_root[1]=-sq;
+  }
+  return 2;
+    }
+
+    public static int root3(final double [] p,final double [] re_root,final double [] im_root)
+    {
+  final double vs=p[3];
+  if(!(Math.abs(vs)>EPS))
+  {
+      re_root[0]=re_root[1]=re_root[2]=
+    im_root[0]=im_root[1]=im_root[2]=Double.NaN;
+      return -1;
+  }
+  final double a=p[2]/vs,b=p[1]/vs,c=p[0]/vs;
+  /* zsolve_cubic.c - finds the complex roots of x^3 + a x^2 + b x + c = 0
+   */
+  final double q = (a * a - 3 * b);
+  final double r = (a*(2 * a * a - 9 * b) + 27 * c);
+
+  final double Q = q / 9;
+  final double R = r / 54;
+
+  final double Q3 = Q * Q * Q;
+  final double R2 = R * R;
+
+  final double CR2 = 729 * r * r;
+  final double CQ3 = 2916 * q * q * q;
+  final double a3=a/3;
+
+  if (R == 0 && Q == 0)
+  {
+      re_root[0]=re_root[1]=re_root[2]=-a3;
+      im_root[0]=im_root[1]=im_root[2]=0;
+      return 3;
+  }
+  else if (CR2 == CQ3)
+  {
+      /* this test is actually R2 == Q3, written in a form suitable
+         for exact computation with integers */
+
+      /* Due to finite precision some double roots may be missed, and
+         will be considered to be a pair of complex roots z = x +/-
+         epsilon i close to the real axis. */
+
+      final double sqrtQ = Math.sqrt (Q);
+
+      if (R > 0)
+      {
+    re_root[0] = -2 * sqrtQ - a3;
+    re_root[1]=re_root[2]=sqrtQ - a3;
+    im_root[0]=im_root[1]=im_root[2]=0;
+      }
+      else
+      {
+    re_root[0]=re_root[1] = -sqrtQ - a3;
+    re_root[2]=2 * sqrtQ - a3;
+    im_root[0]=im_root[1]=im_root[2]=0;
+      }
+      return 3;
+  }
+  else if (R2 < Q3)
+  {
+      final double sgnR = (R >= 0 ? 1 : -1);
+      final double ratio = sgnR * Math.sqrt (R2 / Q3);
+      final double theta = Math.acos (ratio);
+      final double norm = -2 * Math.sqrt (Q);
+      final double r0 = norm * Math.cos (theta/3) - a3;
+      final double r1 = norm * Math.cos ((theta + 2.0 * Math.PI) / 3) - a3;
+      final double r2 = norm * Math.cos ((theta - 2.0 * Math.PI) / 3) - a3;
+
+      re_root[0]=r0;
+      re_root[1]=r1;
+      re_root[2]=r2;
+      im_root[0]=im_root[1]=im_root[2]=0;
+      return 3;
+  }
+  else
+  {
+      final double sgnR = (R >= 0 ? 1 : -1);
+      final double A = -sgnR * Math.pow (Math.abs (R) + Math.sqrt (R2 - Q3), 1.0 / 3.0);
+      final double B = Q / A;
+
+      re_root[0]=A + B - a3;
+      im_root[0]=0;
+      re_root[1]=-0.5 * (A + B) - a3;
+      im_root[1]=-(SQRT3*0.5) * Math.abs(A - B);
+      re_root[2]=re_root[1];
+      im_root[2]=-im_root[1];
+      return 3;
+  }
+
+    }
+
+
+    static void root3a(final double [] p,final double [] re_root,final double [] im_root)
+    {
+  if(Math.abs(p[3])>EPS)
+  {
+      final double v=p[3],
+    a=p[2]/v,b=p[1]/v,c=p[0]/v,
+    a3=a/3,a3a=a3*a,
+    pd3=(b-a3a)/3,
+    qd2=a3*(a3a/3-0.5*b)+0.5*c,
+    Q=pd3*pd3*pd3+qd2*qd2;
+      if(Q<0)
+      {
+    // three real roots
+    final double SQ=Math.sqrt(-Q);
+    final double th=Math.atan2(SQ,-qd2);
+    im_root[0]=im_root[1]=im_root[2]=0;
+    final double f=2*Math.sqrt(-pd3);
+    re_root[0]=f*Math.cos(th/3)-a3;
+    re_root[1]=f*Math.cos((th+2*Math.PI)/3)-a3;
+    re_root[2]=f*Math.cos((th+4*Math.PI)/3)-a3;
+    //System.err.println("3r");
+      }
+      else
+      {
+    // one real & two complex roots
+    final double SQ=Math.sqrt(Q);
+    final double r1=-qd2+SQ,r2=-qd2-SQ;
+    final double v1=Math.signum(r1)*Math.pow(Math.abs(r1),1.0/3),
+        v2=Math.signum(r2)*Math.pow(Math.abs(r2),1.0/3),
+        sv=v1+v2;
+    // real root
+    re_root[0]=sv-a3;
+    im_root[0]=0;
+    // complex roots
+    re_root[1]=re_root[2]=-0.5*sv-a3;
+    im_root[1]=(v1-v2)*(SQRT3*0.5);
+    im_root[2]=-im_root[1];
+    //System.err.println("1r2c");
+      }
+  }
+  else
+  {
+      re_root[0]=re_root[1]=re_root[2]=im_root[0]=im_root[1]=im_root[2]=Double.NaN;
+  }
+    }
+
+
+    static void printSpecialValues()
+    {
+  for(int st=0;st<6;st++)
+  {
+      //final double [] p=new double []{8,1,3,3.6,1};
+      final double [] re_root=new double [4],im_root=new double [4];
+      final double [] p;
+      final int n;
+      if(st<=3)
+      {
+    if(st<=0)
+    {
+        p=new double []{2,-4,6,-4,1};
+        //p=new double []{-6,6,-6,8,-2};
+    }
+    else if(st==1)
+    {
+        p=new double []{0,-4,8,3,-9};
+    }
+    else if(st==2)
+    {
+        p=new double []{-1,0,2,0,-1};
+    }
+    else
+    {
+        p=new double []{-5,2,8,-2,-3};
+    }
+    root4(p,re_root,im_root);
+    n=4;
+      }
+      else
+      {
+    p=new double []{0,2,0,1};
+    if(st==4)
+    {
+        p[1]=-p[1];
+    }
+    root3(p,re_root,im_root);
+    n=3;
+      }
+      System.err.println("======== n="+n);
+      for(int i=0;i<=n;i++)
+      {
+    if(i<n)
+    {
+        System.err.println(String.valueOf(i)+"\t"+
+               p[i]+"\t"+
+               re_root[i]+"\t"+
+               im_root[i]);
+    }
+    else
+    {
+        System.err.println(String.valueOf(i)+"\t"+p[i]+"\t");
+    }
+      }
+  }
+    }
+
+
+
+    public static void main(final String [] args)
+    {
+  final long t0=System.currentTimeMillis();
+  final double eps=1e-6;
+  //checkRoots();
+  final java.util.Random r=new java.util.Random(-1381923);
+  printSpecialValues();
+
+  final int n_tests=10000000;
+  //testRoots(2,n_tests,r,eps);
+  //testRoots(3,n_tests,r,eps);
+  testRoots(4,n_tests,r,eps);
+  final long t1=System.currentTimeMillis();
+  System.err.println("PolynomialRoot.main: "+n_tests+" tests OK done in "+(t1-t0)+" milliseconds. ver=$Id: PolynomialRoot.java,v 1.105 2012/08/18 00:00:05 mal Exp $");
+    }
+
+
+
+}