PatchSet 6501
Date: 2005/05/15 16:49:55
Author: robilad
Branch: HEAD
Tag: (none)
Log:
resynced with gnu classpath: serialization and vmstackwalker
2005-05-15 Dalibor Topic <[EMAIL PROTECTED]>
* include/Makefile.am (NOINSTALL_JNI_DERIVED_HDRS):
Added gnu_classpath_VMStackWalker.h.
* libraries/clib/native/gnu_classpath_VMStackWalker.c:
New file.
Resynced with GNU Classpath.
2005-04-30 Mark Wielaard <[EMAIL PROTECTED]>
* java/io/ObjectInputStream.java
(currentLoader): Don't create SecurityManager, directly call
VMObjectInputStream.currentClassLoader().
(resolveProxyClass): Use currentLoader().
* vm/reference/java/io/VMObjectInputStream.java
(currentClassLoader(SecurityManager)): Removed.
(currentClassLoader): New method.
* native/jni/java-io/java_io_VMObjectInputStream.c
(Java_java_io_VMObjectInputStream_currentClassLoader): Removed.
2005-01-29 Steven Augart <[EMAIL PROTECTED]>
* vm/reference/gnu/classpath/VMStackWalker.java: Doc fix.
2005-01-07 Archie Cobbs <[EMAIL PROTECTED]>
* vm/reference/gnu/classpath/VMStackWalker.java: New class.
Members:
ChangeLog:1.4026->1.4027
include/Makefile.am:1.100->1.101
include/Makefile.in:1.229->1.230
libraries/clib/io/java_io_VMObjectInputStream.c:1.1->1.2
libraries/clib/native/Makefile.am:1.43->1.44
libraries/clib/native/Makefile.in:1.182->1.183
libraries/clib/native/gnu_classpath_VMStackWalker.c:INITIAL->1.1
libraries/javalib/Makefile.am:1.347->1.348
libraries/javalib/Makefile.in:1.437->1.438
libraries/javalib/all.files:1.121->1.122
libraries/javalib/gnu/classpath/VMStackWalker.java:INITIAL->1.1
libraries/javalib/java/io/ObjectInputStream.java:1.52->1.53
libraries/javalib/java/io/VMObjectInputStream.java:1.1->1.2
Index: kaffe/ChangeLog
diff -u kaffe/ChangeLog:1.4026 kaffe/ChangeLog:1.4027
--- kaffe/ChangeLog:1.4026 Sun May 15 13:08:55 2005
+++ kaffe/ChangeLog Sun May 15 16:49:55 2005
@@ -1,5 +1,35 @@
2005-05-15 Dalibor Topic <[EMAIL PROTECTED]>
+ * include/Makefile.am (NOINSTALL_JNI_DERIVED_HDRS):
+ Added gnu_classpath_VMStackWalker.h.
+
+ * libraries/clib/native/gnu_classpath_VMStackWalker.c:
+ New file.
+
+ Resynced with GNU Classpath.
+
+ 2005-04-30 Mark Wielaard <[EMAIL PROTECTED]>
+
+ * java/io/ObjectInputStream.java
+ (currentLoader): Don't create SecurityManager, directly call
+ VMObjectInputStream.currentClassLoader().
+ (resolveProxyClass): Use currentLoader().
+ * vm/reference/java/io/VMObjectInputStream.java
+ (currentClassLoader(SecurityManager)): Removed.
+ (currentClassLoader): New method.
+ * native/jni/java-io/java_io_VMObjectInputStream.c
+ (Java_java_io_VMObjectInputStream_currentClassLoader): Removed.
+
+ 2005-01-29 Steven Augart <[EMAIL PROTECTED]>
+
+ * vm/reference/gnu/classpath/VMStackWalker.java: Doc fix.
+
+ 2005-01-07 Archie Cobbs <[EMAIL PROTECTED]>
+
+ * vm/reference/gnu/classpath/VMStackWalker.java: New class.
+
+2005-05-15 Dalibor Topic <[EMAIL PROTECTED]>
+
Resynced with GNU Classpath.
2005-04-30 Mark Wielaard <[EMAIL PROTECTED]>
Index: kaffe/include/Makefile.am
diff -u kaffe/include/Makefile.am:1.100 kaffe/include/Makefile.am:1.101
--- kaffe/include/Makefile.am:1.100 Sat May 14 21:46:26 2005
+++ kaffe/include/Makefile.am Sun May 15 16:50:00 2005
@@ -219,6 +219,7 @@
java_lang_VMDouble.h \
java_lang_VMFloat.h \
java_lang_ref_Reference.h \
+ gnu_classpath_VMStackWalker.h \
gnu_classpath_VMSystemProperties.h \
gnu_java_nio_charset_iconv_IconvDecoder.h \
gnu_java_nio_charset_iconv_IconvEncoder.h \
Index: kaffe/include/Makefile.in
diff -u kaffe/include/Makefile.in:1.229 kaffe/include/Makefile.in:1.230
--- kaffe/include/Makefile.in:1.229 Sat May 14 21:46:26 2005
+++ kaffe/include/Makefile.in Sun May 15 16:50:00 2005
@@ -561,6 +561,7 @@
java_lang_VMDouble.h \
java_lang_VMFloat.h \
java_lang_ref_Reference.h \
+ gnu_classpath_VMStackWalker.h \
gnu_classpath_VMSystemProperties.h \
gnu_java_nio_charset_iconv_IconvDecoder.h \
gnu_java_nio_charset_iconv_IconvEncoder.h \
Index: kaffe/libraries/clib/io/java_io_VMObjectInputStream.c
diff -u kaffe/libraries/clib/io/java_io_VMObjectInputStream.c:1.1
kaffe/libraries/clib/io/java_io_VMObjectInputStream.c:1.2
--- kaffe/libraries/clib/io/java_io_VMObjectInputStream.c:1.1 Fri Apr 22
22:29:45 2005
+++ kaffe/libraries/clib/io/java_io_VMObjectInputStream.c Sun May 15
16:50:00 2005
@@ -49,28 +49,6 @@
/*
* Class: java_io_VMObjectInputStream
- * Method: currentClassLoader
- * Signature: (Ljava/lang/SecurityManager;)Ljava/lang/ClassLoader;
- */
-JNIEXPORT jobject JNICALL
-Java_java_io_VMObjectInputStream_currentClassLoader (JNIEnv * env,
- jclass clazz,
- jobject loader)
-{
- jmethodID id = (*env)->GetMethodID (env,
- (*env)->GetObjectClass (env, loader),
- "currentClassLoader",
- "()Ljava/lang/ClassLoader;");
-
- if (id == NULL)
- return NULL;
-
- return (*env)->CallObjectMethod (env, loader, id, clazz);
-}
-
-
-/*
- * Class: java_io_VMObjectInputStream
* Method: allocateObject
* Signature: (Ljava/lang/Class;)Ljava/lang/Object;
*/
Index: kaffe/libraries/clib/native/Makefile.am
diff -u kaffe/libraries/clib/native/Makefile.am:1.43
kaffe/libraries/clib/native/Makefile.am:1.44
--- kaffe/libraries/clib/native/Makefile.am:1.43 Sun Apr 24 09:57:37 2005
+++ kaffe/libraries/clib/native/Makefile.am Sun May 15 16:50:01 2005
@@ -33,6 +33,7 @@
ThreadStack.c \
Throwable.c \
UNIXProcess.c \
+ gnu_classpath_VMStackWalker.c \
gnu_classpath_VMSystemProperties.c \
ZipFile.c
Index: kaffe/libraries/clib/native/Makefile.in
diff -u kaffe/libraries/clib/native/Makefile.in:1.182
kaffe/libraries/clib/native/Makefile.in:1.183
--- kaffe/libraries/clib/native/Makefile.in:1.182 Sat May 14 21:46:54 2005
+++ kaffe/libraries/clib/native/Makefile.in Sun May 15 16:50:01 2005
@@ -99,6 +99,7 @@
libnative_la-String.lo libnative_la-System.lo \
libnative_la-Thread.lo libnative_la-ThreadStack.lo \
libnative_la-Throwable.lo libnative_la-UNIXProcess.lo \
+ libnative_la-gnu_classpath_VMStackWalker.lo \
libnative_la-gnu_classpath_VMSystemProperties.lo \
libnative_la-ZipFile.lo
am__objects_2 = libnative_la-Array.lo libnative_la-Constructor.lo \
@@ -425,6 +426,7 @@
ThreadStack.c \
Throwable.c \
UNIXProcess.c \
+ gnu_classpath_VMStackWalker.c \
gnu_classpath_VMSystemProperties.c \
ZipFile.c
@@ -565,6 +567,7 @@
@AMDEP_TRUE@@am__include@ @[EMAIL PROTECTED]/$(DEPDIR)/[EMAIL PROTECTED]@
@AMDEP_TRUE@@am__include@ @[EMAIL PROTECTED]/$(DEPDIR)/[EMAIL PROTECTED]@
@AMDEP_TRUE@@am__include@ @[EMAIL PROTECTED]/$(DEPDIR)/[EMAIL PROTECTED]@
[EMAIL PROTECTED]@@am__include@ @[EMAIL PROTECTED]/$(DEPDIR)/[EMAIL PROTECTED]@
@AMDEP_TRUE@@am__include@ @[EMAIL PROTECTED]/$(DEPDIR)/[EMAIL PROTECTED]@
@AMDEP_TRUE@@am__include@ @[EMAIL PROTECTED]/$(DEPDIR)/[EMAIL PROTECTED]@
@AMDEP_TRUE@@am__include@ @[EMAIL PROTECTED]/$(DEPDIR)/[EMAIL PROTECTED]@
@@ -695,6 +698,13 @@
@AMDEP_TRUE@@am__fastdepCC_FALSE@ source='UNIXProcess.c'
object='libnative_la-UNIXProcess.lo' libtool=yes @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE)
$(depcomp) @AMDEPBACKSLASH@
@am__fastdepCC_FALSE@ $(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS)
$(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS)
$(libnative_la_CFLAGS) $(CFLAGS) -c -o libnative_la-UNIXProcess.lo `test -f
'UNIXProcess.c' || echo '$(srcdir)/'`UNIXProcess.c
+
+libnative_la-gnu_classpath_VMStackWalker.lo: gnu_classpath_VMStackWalker.c
[EMAIL PROTECTED]@ if $(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS)
$(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS)
$(libnative_la_CFLAGS) $(CFLAGS) -MT
libnative_la-gnu_classpath_VMStackWalker.lo -MD -MP -MF
"$(DEPDIR)/libnative_la-gnu_classpath_VMStackWalker.Tpo" -c -o
libnative_la-gnu_classpath_VMStackWalker.lo `test -f
'gnu_classpath_VMStackWalker.c' || echo
'$(srcdir)/'`gnu_classpath_VMStackWalker.c; \
[EMAIL PROTECTED]@ then mv -f
"$(DEPDIR)/libnative_la-gnu_classpath_VMStackWalker.Tpo"
"$(DEPDIR)/libnative_la-gnu_classpath_VMStackWalker.Plo"; else rm -f
"$(DEPDIR)/libnative_la-gnu_classpath_VMStackWalker.Tpo"; exit 1; fi
[EMAIL PROTECTED]@@am__fastdepCC_FALSE@ source='gnu_classpath_VMStackWalker.c'
object='libnative_la-gnu_classpath_VMStackWalker.lo' libtool=yes
@AMDEPBACKSLASH@
[EMAIL PROTECTED]@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE)
$(depcomp) @AMDEPBACKSLASH@
[EMAIL PROTECTED]@ $(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS)
$(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS)
$(libnative_la_CFLAGS) $(CFLAGS) -c -o
libnative_la-gnu_classpath_VMStackWalker.lo `test -f
'gnu_classpath_VMStackWalker.c' || echo
'$(srcdir)/'`gnu_classpath_VMStackWalker.c
libnative_la-gnu_classpath_VMSystemProperties.lo:
gnu_classpath_VMSystemProperties.c
@am__fastdepCC_TRUE@ if $(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS)
$(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS)
$(libnative_la_CFLAGS) $(CFLAGS) -MT
libnative_la-gnu_classpath_VMSystemProperties.lo -MD -MP -MF
"$(DEPDIR)/libnative_la-gnu_classpath_VMSystemProperties.Tpo" -c -o
libnative_la-gnu_classpath_VMSystemProperties.lo `test -f
'gnu_classpath_VMSystemProperties.c' || echo
'$(srcdir)/'`gnu_classpath_VMSystemProperties.c; \
===================================================================
Checking out kaffe/libraries/clib/native/gnu_classpath_VMStackWalker.c
RCS:
/home/cvs/kaffe/kaffe/libraries/clib/native/gnu_classpath_VMStackWalker.c,v
VERS: 1.1
***************
--- /dev/null Sun Aug 4 19:57:58 2002
+++ kaffe/libraries/clib/native/gnu_classpath_VMStackWalker.c Sun May 15
16:55:35 2005
@@ -0,0 +1,19 @@
+/*
+ * gnu_classpath_VMStackWalker.c
+ *
+ * Copyright (c) 2005
+ * Kaffe.org contributors. All rights reserved.
+ *
+ * See the file "license.terms" for information on usage and redistribution
+ * of this file.
+ */
+
+#include "gnu_classpath_VMStackWalker.h"
+#include "kaffe_lang_ThreadStack.h"
+
+JNIEXPORT jobjectArray JNICALL
+Java_gnu_classpath_VMStackWalker_getClassContext(JNIEnv* env UNUSED, jclass
clazz UNUSED)
+{
+ return kaffe_lang_ThreadStack_getClassStack();
+}
+
Index: kaffe/libraries/javalib/Makefile.am
diff -u kaffe/libraries/javalib/Makefile.am:1.347
kaffe/libraries/javalib/Makefile.am:1.348
--- kaffe/libraries/javalib/Makefile.am:1.347 Wed May 4 00:53:32 2005
+++ kaffe/libraries/javalib/Makefile.am Sun May 15 16:50:01 2005
@@ -410,6 +410,7 @@
gnu/classpath/ServiceFactory.java \
gnu/classpath/ServiceProviderLoadingAction.java \
gnu/classpath/SystemProperties.java \
+ gnu/classpath/VMStackWalker.java \
gnu/classpath/VMSystemProperties.java
gnu_classpath_tools_SRCS = \
gnu/classpath/tools/Util.java
Index: kaffe/libraries/javalib/Makefile.in
diff -u kaffe/libraries/javalib/Makefile.in:1.437
kaffe/libraries/javalib/Makefile.in:1.438
--- kaffe/libraries/javalib/Makefile.in:1.437 Sat May 14 21:47:05 2005
+++ kaffe/libraries/javalib/Makefile.in Sun May 15 16:50:02 2005
@@ -769,6 +769,7 @@
gnu/classpath/ServiceFactory.java \
gnu/classpath/ServiceProviderLoadingAction.java \
gnu/classpath/SystemProperties.java \
+ gnu/classpath/VMStackWalker.java \
gnu/classpath/VMSystemProperties.java
gnu_classpath_tools_SRCS = \
Index: kaffe/libraries/javalib/all.files
diff -u kaffe/libraries/javalib/all.files:1.121
kaffe/libraries/javalib/all.files:1.122
--- kaffe/libraries/javalib/all.files:1.121 Wed May 4 00:53:34 2005
+++ kaffe/libraries/javalib/all.files Sun May 15 16:50:05 2005
@@ -75,6 +75,7 @@
gnu/classpath/tools/rmi/rmic/TabbedWriter.java
gnu/classpath/tools/serialver/SerialVer.java
gnu/classpath/tools/Util.java
+gnu/classpath/VMStackWalker.java
gnu/classpath/VMSystemProperties.java
gnu/CORBA/primitiveArrayTypeCode.java
gnu/CORBA/primitiveTypeCode.java
===================================================================
Checking out kaffe/libraries/javalib/gnu/classpath/VMStackWalker.java
RCS: /home/cvs/kaffe/kaffe/libraries/javalib/gnu/classpath/VMStackWalker.java,v
VERS: 1.1
***************
--- /dev/null Sun Aug 4 19:57:58 2002
+++ kaffe/libraries/javalib/gnu/classpath/VMStackWalker.java Sun May 15
16:55:36 2005
@@ -0,0 +1,108 @@
+/* VMStackWalker.java -- Reference implementation of VM hooks for stack access
+ Copyright (C) 2005 Free Software Foundation
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+package gnu.classpath;
+
+/**
+ * This class provides access to the classes on the Java stack
+ * for reflection and security purposes.
+ *
+ * <p>
+ * This class is only available to privileged code (i.e., code loaded
+ * by the bootstrap loader).
+ *
+ * @author John Keiser
+ * @author Eric Blake <[EMAIL PROTECTED]>
+ * @author Archie Cobbs
+ */
+public final class VMStackWalker
+{
+ /**
+ * Get a list of all the classes currently executing methods on the
+ * Java stack. <code>getClassContext()[0]</code> is the class associated
+ * with the currently executing method, i.e., the method that called
+ * <code>VMStackWalker.getClassContext()</code> (possibly through
+ * reflection). So you may need to pop off these stack frames from
+ * the top of the stack:
+ * <ul>
+ * <li><code>VMStackWalker.getClassContext()</code>
+ * <li><code>Method.invoke()</code>
+ * </ul>
+ *
+ * @return an array of the declaring classes of each stack frame
+ */
+ public static native Class[] getClassContext();
+
+ /**
+ * Get the class associated with the method invoking the method
+ * invoking this method, or <code>null</code> if the stack is not
+ * that deep (e.g., invoked via JNI invocation API). This method
+ * is an optimization for the expression <code>getClassContext()[1]</code>
+ * and should return the same result.
+ *
+ * <p>
+ * VM implementers are encouraged to provide a more efficient
+ * version of this method.
+ */
+ public static Class getCallingClass()
+ {
+ Class[] ctx = getClassContext();
+ if (ctx.length < 3)
+ return null;
+ return ctx[2];
+ }
+
+ /**
+ * Get the class loader associated with the Class returned by
+ * <code>getCallingClass()</code>, or <code>null</code> if no
+ * such class exists or it is the boot loader. This method is an optimization
+ * for the expression <code>getClassContext()[1].getClassLoader()</code>
+ * and should return the same result.
+ *
+ * <p>
+ * VM implementers are encouraged to provide a more efficient
+ * version of this method.
+ */
+ public static ClassLoader getCallingClassLoader()
+ {
+ Class[] ctx = getClassContext();
+ if (ctx.length < 3)
+ return null;
+ return ctx[2].getClassLoader();
+ }
+}
+
Index: kaffe/libraries/javalib/java/io/ObjectInputStream.java
diff -u kaffe/libraries/javalib/java/io/ObjectInputStream.java:1.52
kaffe/libraries/javalib/java/io/ObjectInputStream.java:1.53
--- kaffe/libraries/javalib/java/io/ObjectInputStream.java:1.52 Fri Apr 22
22:29:48 2005
+++ kaffe/libraries/javalib/java/io/ObjectInputStream.java Sun May 15
16:50:06 2005
@@ -783,20 +783,12 @@
}
/**
- * This method invokes the method currentClassLoader for the
- * current security manager (or build an empty one if it is not
- * present).
- *
- * @return The most recent non-system ClassLoader on the execution stack.
- * @see java.lang.SecurityManager#currentClassLoader()
+ * Returns he most recent user defined ClassLoader on the execution stack
+ * or null of none is found.
*/
private ClassLoader currentLoader()
{
- SecurityManager sm = System.getSecurityManager();
- if (sm == null)
- sm = new SecurityManager () {};
-
- return VMObjectInputStream.currentClassLoader(sm);
+ return VMObjectInputStream.currentClassLoader();
}
/**
@@ -883,12 +875,7 @@
protected Class resolveProxyClass(String[] intfs)
throws IOException, ClassNotFoundException
{
- SecurityManager sm = System.getSecurityManager();
-
- if (sm == null)
- sm = new SecurityManager() {};
-
- ClassLoader cl = VMObjectInputStream.currentClassLoader(sm);
+ ClassLoader cl = currentLoader();
Class[] clss = new Class[intfs.length];
if(cl == null)
Index: kaffe/libraries/javalib/java/io/VMObjectInputStream.java
diff -u kaffe/libraries/javalib/java/io/VMObjectInputStream.java:1.1
kaffe/libraries/javalib/java/io/VMObjectInputStream.java:1.2
--- kaffe/libraries/javalib/java/io/VMObjectInputStream.java:1.1 Fri Apr
22 22:29:50 2005
+++ kaffe/libraries/javalib/java/io/VMObjectInputStream.java Sun May 15
16:50:06 2005
@@ -39,27 +39,48 @@
package java.io;
-import gnu.classpath.Configuration;
-import gnu.java.io.ObjectIdentityWrapper;
-
-import java.lang.reflect.Array;
+import gnu.classpath.VMStackWalker;
import java.lang.reflect.Constructor;
-import java.lang.reflect.Field;
-import java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Method;
-import java.lang.reflect.Modifier;
-import java.lang.reflect.Proxy;
import java.security.AccessController;
import java.security.PrivilegedAction;
-import java.util.Arrays;
-import java.util.Hashtable;
-import java.util.Vector;
final class VMObjectInputStream
{
- static native ClassLoader currentClassLoader(SecurityManager sm);
+ private static Class oisClass = ObjectInputStream.class;
+ private static Class vmoisClass = VMObjectInputStream.class;
+
+ // PrivilegedAction needed for Class.getClassLoader()
+ private static PrivilegedAction loaderAction = new PrivilegedAction()
+ {
+ public Object run()
+ {
+ Class[] ctx = VMStackWalker.getClassContext();
+ for (int i = 0; i < ctx.length; i++)
+ {
+ ClassLoader cl = ctx[i].getClassLoader();
+ if (cl != null)
+ return cl;
+ }
+ return null;
+ }
+ };
- static native Object allocateObject(Class clazz, Class constr_clazz,
Constructor constructor)
+ /**
+ * Returns the first user defined class loader on the call stack, or
+ * null when no non-null class loader was found.
+ */
+ static ClassLoader currentClassLoader()
+ {
+ return (ClassLoader) AccessController.doPrivileged(loaderAction);
+ }
+
+ /**
+ * Allocates a new Object of type clazz but without running the
+ * default constructor on it. It then calls the given constructor on
+ * it. The given constructor method comes from the constr_clazz
+ * which is a super class of the given clazz.
+ */
+ static native Object allocateObject(Class clazz, Class constr_clazz,
+ Constructor constructor)
throws InstantiationException;
}
-
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