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hotspot/src/share/vm/oops/oop.cpp

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+/*
+ * Copyright 1997-2006 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/_oop.cpp.incl"
+
+bool always_do_update_barrier = false;
+
+BarrierSet* oopDesc::_bs = NULL;
+
+#ifdef PRODUCT
+void oopDesc::print_on(outputStream* st) const {}
+void oopDesc::print_value_on(outputStream* st) const {}
+void oopDesc::print_address_on(outputStream* st) const {}
+char* oopDesc::print_value_string() { return NULL; }
+char* oopDesc::print_string() { return NULL; }
+void oopDesc::print()         {}
+void oopDesc::print_value()   {}
+void oopDesc::print_address() {}
+#else
+void oopDesc::print_on(outputStream* st) const {
+  if (this == NULL) {
+    st->print_cr("NULL");
+  } else {
+    blueprint()->oop_print_on(oop(this), st);
+  }
+}
+
+void oopDesc::print_value_on(outputStream* st) const {
+  oop obj = oop(this);
+  if (this == NULL) {
+    st->print("NULL");
+  } else if (java_lang_String::is_instance(obj)) {
+    java_lang_String::print(obj, st);
+    if (PrintOopAddress) print_address_on(st);
+#ifdef ASSERT
+  } else if (!Universe::heap()->is_in(obj) || !Universe::heap()->is_in(klass())) {
+    st->print("### BAD OOP %p ###", (address)obj);
+#endif
+  } else {
+    blueprint()->oop_print_value_on(obj, st);
+  }
+}
+
+void oopDesc::print_address_on(outputStream* st) const {
+  if (PrintOopAddress) {
+    st->print("{");
+    if (PrintOopAddress) {
+      st->print(INTPTR_FORMAT, this);
+    }
+    st->print("}");
+  }
+}
+
+void oopDesc::print()         { print_on(tty);         }
+
+void oopDesc::print_value()   { print_value_on(tty);   }
+
+void oopDesc::print_address() { print_address_on(tty); }
+
+char* oopDesc::print_string() {
+  stringStream* st = new stringStream();
+  print_on(st);
+  return st->as_string();
+}
+
+char* oopDesc::print_value_string() {
+  stringStream* st = new stringStream();
+  print_value_on(st);
+  return st->as_string();
+}
+
+#endif // PRODUCT
+
+void oopDesc::verify_on(outputStream* st) {
+  if (this != NULL) {
+    blueprint()->oop_verify_on(this, st);
+  }
+}
+
+
+void oopDesc::verify() {
+  verify_on(tty);
+}
+
+
+void oopDesc::verify_old_oop(oop* p, bool allow_dirty) {
+  blueprint()->oop_verify_old_oop(this, p, allow_dirty);
+}
+
+
+bool oopDesc::partially_loaded() {
+  return blueprint()->oop_partially_loaded(this);
+}
+
+
+void oopDesc::set_partially_loaded() {
+  blueprint()->oop_set_partially_loaded(this);
+}
+
+
+intptr_t oopDesc::slow_identity_hash() {
+  // slow case; we have to acquire the micro lock in order to locate the header
+  ResetNoHandleMark rnm; // Might be called from LEAF/QUICK ENTRY
+  HandleMark hm;
+  Handle object((oop)this);
+  assert(!is_shared_readonly(), "using identity hash on readonly object?");
+  return ObjectSynchronizer::identity_hash_value_for(object);
+}
+
+VerifyOopClosure VerifyOopClosure::verify_oop;