1 /*
   2  * Copyright (c) 2003, 2009, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 # include "incls/_precompiled.incl"
  26 # include "incls/_dump.cpp.incl"















  27 
  28 
  29 // Closure to set up the fingerprint field for all methods.
  30 
  31 class FingerprintMethodsClosure: public ObjectClosure {
  32 public:
  33   void do_object(oop obj) {
  34     if (obj->is_method()) {
  35       methodOop mobj = (methodOop)obj;
  36       ResourceMark rm;
  37       (new Fingerprinter(mobj))->fingerprint();
  38     }
  39   }
  40 };
  41 
  42 
  43 
  44 // Closure to set the hash value (String.hash field) in all of the
  45 // String objects in the heap.  Setting the hash value is not required.
  46 // However, setting the value in advance prevents the value from being

   1 /*
   2  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "classfile/javaClasses.hpp"
  27 #include "classfile/loaderConstraints.hpp"
  28 #include "classfile/symbolTable.hpp"
  29 #include "classfile/systemDictionary.hpp"
  30 #include "gc_implementation/shared/spaceDecorator.hpp"
  31 #include "memory/classify.hpp"
  32 #include "memory/filemap.hpp"
  33 #include "memory/oopFactory.hpp"
  34 #include "memory/resourceArea.hpp"
  35 #include "oops/methodDataOop.hpp"
  36 #include "oops/oop.inline.hpp"
  37 #include "runtime/javaCalls.hpp"
  38 #include "runtime/signature.hpp"
  39 #include "runtime/vmThread.hpp"
  40 #include "runtime/vm_operations.hpp"
  41 #include "utilities/copy.hpp"
  42 
  43 
  44 // Closure to set up the fingerprint field for all methods.
  45 
  46 class FingerprintMethodsClosure: public ObjectClosure {
  47 public:
  48   void do_object(oop obj) {
  49     if (obj->is_method()) {
  50       methodOop mobj = (methodOop)obj;
  51       ResourceMark rm;
  52       (new Fingerprinter(mobj))->fingerprint();
  53     }
  54   }
  55 };
  56 
  57 
  58 
  59 // Closure to set the hash value (String.hash field) in all of the
  60 // String objects in the heap.  Setting the hash value is not required.
  61 // However, setting the value in advance prevents the value from being