--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/runtime/fieldDescriptor.cpp	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,168 @@
+/*
+ * 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.
+ *
+ */
+
+# include "incls/_precompiled.incl"
+#include "incls/_fieldDescriptor.cpp.incl"
+
+
+oop fieldDescriptor::loader() const {
+  return instanceKlass::cast(_cp->pool_holder())->class_loader();
+}
+
+typeArrayOop fieldDescriptor::annotations() const {
+  instanceKlass* ik = instanceKlass::cast(field_holder());
+  objArrayOop md = ik->fields_annotations();
+  if (md == NULL)
+    return NULL;
+  assert((index() % instanceKlass::next_offset) == 0, "");
+  return typeArrayOop(md->obj_at(index() / instanceKlass::next_offset));
+}
+
+constantTag fieldDescriptor::initial_value_tag() const {
+  return constants()->tag_at(_initial_value_index);
+}
+
+jint fieldDescriptor::int_initial_value() const {
+  return constants()->int_at(_initial_value_index);
+}
+
+jlong fieldDescriptor::long_initial_value() const {
+  return constants()->long_at(_initial_value_index);
+}
+
+jfloat fieldDescriptor::float_initial_value() const {
+  return constants()->float_at(_initial_value_index);
+}
+
+jdouble fieldDescriptor::double_initial_value() const {
+  return constants()->double_at(_initial_value_index);
+}
+
+oop fieldDescriptor::string_initial_value(TRAPS) const {
+  return constants()->string_at(_initial_value_index, CHECK_0);
+}
+
+void fieldDescriptor::initialize(klassOop k, int index) {
+  instanceKlass* ik = instanceKlass::cast(k);
+  _cp = ik->constants();
+  typeArrayOop fields = ik->fields();
+
+  assert(fields->length() % instanceKlass::next_offset == 0, "Illegal size of field array");
+  assert(fields->length() >= index + instanceKlass::next_offset, "Illegal size of field array");
+
+  _access_flags.set_field_flags(fields->ushort_at(index + instanceKlass::access_flags_offset));
+  _name_index = fields->ushort_at(index + instanceKlass::name_index_offset);
+  _signature_index = fields->ushort_at(index + instanceKlass::signature_index_offset);
+  _initial_value_index = fields->ushort_at(index + instanceKlass::initval_index_offset);
+  guarantee(_name_index != 0 && _signature_index != 0, "bad constant pool index for fieldDescriptor");
+  _offset = ik->offset_from_fields( index );
+  _generic_signature_index = fields->ushort_at(index + instanceKlass::generic_signature_offset);
+  _index = index;
+}
+
+#ifndef PRODUCT
+
+void fieldDescriptor::print_on(outputStream* st) const {
+  _access_flags.print_on(st);
+  constants()->symbol_at(_name_index)->print_value_on(st);
+  st->print(" ");
+  constants()->symbol_at(_signature_index)->print_value_on(st);
+  st->print(" @%d ", offset());
+  if (WizardMode && has_initial_value()) {
+    st->print("(initval ");
+    constantTag t = initial_value_tag();
+    if (t.is_int()) {
+      st->print("int %d)", int_initial_value());
+    } else if (t.is_long()){
+      st->print_jlong(long_initial_value());
+    } else if (t.is_float()){
+      st->print("float %f)", float_initial_value());
+    } else if (t.is_double()){
+      st->print("double %lf)", double_initial_value());
+    }
+  }
+}
+
+void fieldDescriptor::print_on_for(outputStream* st, oop obj) {
+  print_on(st);
+  BasicType ft = field_type();
+  jint as_int;
+  switch (ft) {
+    case T_BYTE:
+      as_int = (jint)obj->byte_field(offset());
+      st->print(" %d", obj->byte_field(offset()));
+      break;
+    case T_CHAR:
+      {
+        jchar c = obj->char_field(offset());
+        as_int = c;
+        st->print(" %c %d", isprint(c) ? c : ' ', c);
+      }
+      break;
+    case T_DOUBLE:
+      st->print(" %lf", obj->double_field(offset()));
+      break;
+    case T_FLOAT:
+      as_int = obj->int_field(offset());
+      st->print(" %f", obj->float_field(offset()));
+      break;
+    case T_INT:
+      st->print(" %d", obj->int_field(offset()));
+      break;
+    case T_LONG:
+      st->print(" ");
+      st->print_jlong(obj->long_field(offset()));
+      break;
+    case T_SHORT:
+      as_int = obj->short_field(offset());
+      st->print(" %d", obj->short_field(offset()));
+      break;
+    case T_BOOLEAN:
+      as_int = obj->bool_field(offset());
+      st->print(" %s", obj->bool_field(offset()) ? "true" : "false");
+      break;
+    case T_ARRAY:
+      st->print(" ");
+      as_int = obj->int_field(offset());
+      obj->obj_field(offset())->print_value_on(st);
+      break;
+    case T_OBJECT:
+      st->print(" ");
+      as_int = obj->int_field(offset());
+      obj->obj_field(offset())->print_value_on(st);
+      break;
+    default:
+      ShouldNotReachHere();
+      break;
+  }
+  // Print a hint as to the underlying integer representation. This can be wrong for
+  // pointers on an LP64 machine
+  if (ft == T_LONG || ft == T_DOUBLE) {
+    st->print(" (%x %x)", obj->int_field(offset()), obj->int_field(offset()+sizeof(jint)));
+  } else {
+    st->print(" (%x)", as_int);
+  }
+}
+
+#endif /* PRODUCT */