--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/runtime/fieldDescriptor.hpp	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,92 @@
+/*
+ * Copyright 1997-2005 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+// A fieldDescriptor describes the attributes of a single field (instance or class variable).
+// It needs the class constant pool to work (because it only holds indices into the pool
+// rather than the actual info).
+
+class fieldDescriptor VALUE_OBJ_CLASS_SPEC {
+ private:
+  AccessFlags         _access_flags;
+  int                 _name_index;
+  int                 _signature_index;
+  int                 _initial_value_index;
+  int                 _offset;
+  int                 _generic_signature_index;
+  int                 _index; // index into fields() array
+  constantPoolHandle  _cp;
+
+ public:
+  symbolOop name() const               { return _cp->symbol_at(_name_index); }
+  symbolOop signature() const          { return _cp->symbol_at(_signature_index); }
+  klassOop field_holder() const        { return _cp->pool_holder(); }
+  constantPoolOop constants() const    { return _cp(); }
+  AccessFlags access_flags() const     { return _access_flags; }
+  oop loader() const;
+  // Offset (in words) of field from start of instanceOop / klassOop
+  int offset() const                   { return _offset; }
+  symbolOop generic_signature() const  { return (_generic_signature_index > 0 ? _cp->symbol_at(_generic_signature_index) : (symbolOop)NULL); }
+  int index() const                    { return _index; }
+  typeArrayOop annotations() const;
+
+  // Initial field value
+  bool has_initial_value() const          { return _initial_value_index != 0; }
+  constantTag initial_value_tag() const;  // The tag will return true on one of is_int(), is_long(), is_single(), is_double()
+  jint        int_initial_value() const;
+  jlong       long_initial_value() const;
+  jfloat      float_initial_value() const;
+  jdouble     double_initial_value() const;
+  oop         string_initial_value(TRAPS) const;
+
+  // Field signature type
+  BasicType field_type() const            { return FieldType::basic_type(signature()); }
+
+  // Access flags
+  bool is_public() const                  { return _access_flags.is_public(); }
+  bool is_private() const                 { return _access_flags.is_private(); }
+  bool is_protected() const               { return _access_flags.is_protected(); }
+  bool is_package_private() const         { return !is_public() && !is_private() && !is_protected(); }
+
+  bool is_static() const                  { return _access_flags.is_static(); }
+  bool is_final() const                   { return _access_flags.is_final(); }
+  bool is_volatile() const                { return _access_flags.is_volatile(); }
+  bool is_transient() const               { return _access_flags.is_transient(); }
+
+  bool is_synthetic() const               { return _access_flags.is_synthetic(); }
+
+  bool is_field_access_watched() const    { return _access_flags.is_field_access_watched(); }
+  bool is_field_modification_watched() const
+                                          { return _access_flags.is_field_modification_watched(); }
+  void set_is_field_access_watched(const bool value)
+                                          { _access_flags.set_is_field_access_watched(value); }
+  void set_is_field_modification_watched(const bool value)
+                                          { _access_flags.set_is_field_modification_watched(value); }
+
+  // Initialization
+  void initialize(klassOop k, int index);
+
+  // Print
+  void print_on(outputStream* st) const         PRODUCT_RETURN;
+  void print_on_for(outputStream* st, oop obj)  PRODUCT_RETURN;
+};