8266967: debug.cpp utility find() should print Java Object fields.

Reviewed-by: sspitsyn, coleenp

Author: kevinjwalls

src/hotspot/share/oops/instanceKlass.cpp

@@ -3306,8 +3306,6 @@ nmethod* InstanceKlass::lookup_osr_nmethod(const Method* m, int bci, int comp_le
 // -----------------------------------------------------------------------------------------------------
 // Printing
 
-#ifndef PRODUCT
-
 #define BULLET  " - "
 
 static const char* state_names[] = {
@@ -3457,16 +3455,12 @@ void InstanceKlass::print_on(outputStream* st) const {
   st->cr();
 }
 
-#endif //PRODUCT
-
 void InstanceKlass::print_value_on(outputStream* st) const {
   assert(is_klass(), "must be klass");
   if (Verbose || WizardMode)  access_flags().print_on(st);
   name()->print_value_on(st);
 }
 
-#ifndef PRODUCT
-
 void FieldPrinter::do_field(fieldDescriptor* fd) {
   _st->print(BULLET);
    if (_obj == NULL) {
@@ -3524,6 +3518,8 @@ void InstanceKlass::oop_print_on(oop obj, outputStream* st) {
   }
 }
 
+#ifndef PRODUCT
+
 bool InstanceKlass::verify_itable_index(int i) {
   int method_count = klassItable::method_count_for_interface(this);
   assert(i >= 0 && i < method_count, "index out of bounds");

src/hotspot/share/oops/instanceKlass.hpp

@@ -76,7 +76,6 @@ class FieldClosure: public StackObj {
   virtual void do_field(fieldDescriptor* fd) = 0;
 };
 
-#ifndef PRODUCT
 // Print fields.
 // If "obj" argument to constructor is NULL, prints static fields, otherwise prints non-static fields.
 class FieldPrinter: public FieldClosure {
@@ -86,7 +85,6 @@ class FieldPrinter: public FieldClosure {
    FieldPrinter(outputStream* st, oop obj = NULL) : _obj(obj), _st(st) {}
    void do_field(fieldDescriptor* fd);
 };
-#endif  // !PRODUCT
 
 // Describes where oops are located in instances of this klass.
 class OopMapBlock {
@@ -1240,16 +1238,14 @@ class InstanceKlass: public Klass {
 
  public:
   // Printing
-#ifndef PRODUCT
   void print_on(outputStream* st) const;
-#endif
   void print_value_on(outputStream* st) const;
 
   void oop_print_value_on(oop obj, outputStream* st);
 
-#ifndef PRODUCT
   void oop_print_on      (oop obj, outputStream* st);
 
+#ifndef PRODUCT
   void print_dependent_nmethods(bool verbose = false);
   bool is_dependent_nmethod(nmethod* nm);
   bool verify_itable_index(int index);

src/hotspot/share/runtime/fieldDescriptor.cpp

@@ -129,6 +129,8 @@ void fieldDescriptor::verify() const {
   }
 }
 
+#endif /* PRODUCT */
+
 void fieldDescriptor::print_on(outputStream* st) const {
   access_flags().print_on(st);
   name()->print_value_on(st);
@@ -229,4 +231,3 @@ void fieldDescriptor::print_on_for(outputStream* st, oop obj) {
   }
 }
 
-#endif /* PRODUCT */

src/hotspot/share/runtime/fieldDescriptor.hpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2020, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2021, Oracle and/or its affiliates. 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
@@ -113,8 +113,8 @@ class fieldDescriptor {
 
   // Print
   void print() const;
-  void print_on(outputStream* st) const         PRODUCT_RETURN;
-  void print_on_for(outputStream* st, oop obj)  PRODUCT_RETURN;
+  void print_on(outputStream* st) const;
+  void print_on_for(outputStream* st, oop obj);
   void verify() const                           PRODUCT_RETURN;
 };