687 protected:
688 outputStream* _out;
689 public:
690 StaticFieldPrinter(outputStream* out) :
691 _out(out) {
692 }
693 void do_field_helper(fieldDescriptor* fd, oop obj, bool flattened);
694 };
695
696 class StaticFinalFieldPrinter : public StaticFieldPrinter {
697 const char* _holder;
698 public:
699 StaticFinalFieldPrinter(outputStream* out, const char* holder) :
700 StaticFieldPrinter(out), _holder(holder) {
701 }
702 void do_field(fieldDescriptor* fd) {
703 if (fd->is_final() && !fd->has_initial_value()) {
704 ResourceMark rm;
705 InstanceKlass* holder = fd->field_holder();
706 oop mirror = holder->java_mirror();
707 _out->print("staticfield %s %s %s ", _holder, fd->name()->as_quoted_ascii(), fd->signature()->as_quoted_ascii());
708 do_field_helper(fd, mirror, false);
709 _out->cr();
710 }
711 }
712 };
713
714 class ValueTypeFieldPrinter : public StaticFieldPrinter {
715 oop _obj;
716 public:
717 ValueTypeFieldPrinter(outputStream* out, oop obj) :
718 StaticFieldPrinter(out), _obj(obj) {
719 }
720 void do_field(fieldDescriptor* fd) {
721 do_field_helper(fd, _obj, true);
722 _out->print(" ");
723 }
724 };
725
726 void StaticFieldPrinter::do_field_helper(fieldDescriptor* fd, oop mirror, bool flattened) {
727 switch (fd->field_type()) {
728 case T_BYTE: _out->print_cr("%d", mirror->byte_field(fd->offset())); break;
729 case T_BOOLEAN: _out->print("%d", mirror->bool_field(fd->offset())); break;
730 case T_SHORT: _out->print("%d", mirror->short_field(fd->offset())); break;
731 case T_CHAR: _out->print("%d", mirror->char_field(fd->offset())); break;
732 case T_INT: _out->print("%d", mirror->int_field(fd->offset())); break;
733 case T_LONG: _out->print(INT64_FORMAT, (int64_t)(mirror->long_field(fd->offset()))); break;
734 case T_FLOAT: {
735 float f = mirror->float_field(fd->offset());
736 _out->print("%d", *(int*)&f);
737 break;
738 }
739 case T_DOUBLE: {
740 double d = mirror->double_field(fd->offset());
741 _out->print(INT64_FORMAT, *(int64_t*)&d);
742 break;
743 }
744 case T_ARRAY: {
745 oop value = mirror->obj_field_acquire(fd->offset());
746 if (value == NULL) {
747 _out->print("null");
748 } else {
749 typeArrayOop ta = (typeArrayOop)value;
750 _out->print("%d", ta->length());
751 if (value->is_objArray()) {
752 objArrayOop oa = (objArrayOop)value;
753 const char* klass_name = value->klass()->name()->as_quoted_ascii();
754 _out->print(" %s", klass_name);
755 }
756 }
757 break;
758 }
759 case T_OBJECT: {
760 oop value = mirror->obj_field_acquire(fd->offset());
761 if (value == NULL) {
762 _out->print("null");
763 } else if (value->is_instance()) {
764 if (value->is_a(SystemDictionary::String_klass())) {
765 _out->print("\"");
766 _out->print_raw(java_lang_String::as_quoted_ascii(value));
767 _out->print("\"");
768 } else {
769 const char* klass_name = value->klass()->name()->as_quoted_ascii();
770 _out->print("%s", klass_name);
771 }
772 } else {
773 ShouldNotReachHere();
774 }
775 break;
776 }
777 case T_VALUETYPE: {
778 ResetNoHandleMark rnhm;
779 Thread* THREAD = Thread::current();
780 SignatureStream ss(fd->signature(), false);
781 Symbol* name = ss.as_symbol(THREAD);
782 assert(!HAS_PENDING_EXCEPTION, "can resolve klass?");
783 InstanceKlass* holder = fd->field_holder();
784 Klass* k = SystemDictionary::find(name, Handle(THREAD, holder->class_loader()),
785 Handle(THREAD, holder->protection_domain()), THREAD);
786 assert(k != NULL && !HAS_PENDING_EXCEPTION, "can resolve klass?");
787 ValueKlass* vk = ValueKlass::cast(k);
788 oop obj;
789 if (flattened) {
790 int field_offset = fd->offset() - vk->first_field_offset();
791 obj = (oop)((address)mirror + field_offset);
792 } else {
793 obj = mirror->obj_field_acquire(fd->offset());
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687 protected:
688 outputStream* _out;
689 public:
690 StaticFieldPrinter(outputStream* out) :
691 _out(out) {
692 }
693 void do_field_helper(fieldDescriptor* fd, oop obj, bool flattened);
694 };
695
696 class StaticFinalFieldPrinter : public StaticFieldPrinter {
697 const char* _holder;
698 public:
699 StaticFinalFieldPrinter(outputStream* out, const char* holder) :
700 StaticFieldPrinter(out), _holder(holder) {
701 }
702 void do_field(fieldDescriptor* fd) {
703 if (fd->is_final() && !fd->has_initial_value()) {
704 ResourceMark rm;
705 InstanceKlass* holder = fd->field_holder();
706 oop mirror = holder->java_mirror();
707 _out->print("staticfield %s %s ", _holder, fd->name()->as_quoted_ascii());
708 BasicType bt = fd->field_type();
709 if (bt != T_OBJECT && bt != T_ARRAY) {
710 _out->print("%s ", fd->signature()->as_quoted_ascii());
711 }
712 do_field_helper(fd, mirror, false);
713 _out->cr();
714 }
715 }
716 };
717
718 class ValueTypeFieldPrinter : public StaticFieldPrinter {
719 oop _obj;
720 public:
721 ValueTypeFieldPrinter(outputStream* out, oop obj) :
722 StaticFieldPrinter(out), _obj(obj) {
723 }
724 void do_field(fieldDescriptor* fd) {
725 do_field_helper(fd, _obj, true);
726 _out->print(" ");
727 }
728 };
729
730 void StaticFieldPrinter::do_field_helper(fieldDescriptor* fd, oop mirror, bool flattened) {
731 BasicType bt = fd->field_type();
732 switch (bt) {
733 case T_BYTE: _out->print("%d", mirror->byte_field(fd->offset())); break;
734 case T_BOOLEAN: _out->print("%d", mirror->bool_field(fd->offset())); break;
735 case T_SHORT: _out->print("%d", mirror->short_field(fd->offset())); break;
736 case T_CHAR: _out->print("%d", mirror->char_field(fd->offset())); break;
737 case T_INT: _out->print("%d", mirror->int_field(fd->offset())); break;
738 case T_LONG: _out->print(INT64_FORMAT, (int64_t)(mirror->long_field(fd->offset()))); break;
739 case T_FLOAT: {
740 float f = mirror->float_field(fd->offset());
741 _out->print("%d", *(int*)&f);
742 break;
743 }
744 case T_DOUBLE: {
745 double d = mirror->double_field(fd->offset());
746 _out->print(INT64_FORMAT, *(int64_t*)&d);
747 break;
748 }
749 case T_ARRAY:
750 case T_OBJECT: {
751 oop value = mirror->obj_field_acquire(fd->offset());
752 if (value == NULL) {
753 _out->print("null");
754 } else {
755 _out->print("%s", value->klass()->signature_name());
756 if (value->is_array()) {
757 _out->print(" %d", ((arrayOop)value)->length());
758 } else {
759 assert(value->is_instance() && bt == T_OBJECT, "what else?");
760 if (value->is_a(SystemDictionary::String_klass())) {
761 _out->print(" \"");
762 _out->print_raw(java_lang_String::as_quoted_ascii(value));
763 _out->print("\"");
764 }
765 }
766 }
767 break;
768 }
769 case T_VALUETYPE: {
770 ResetNoHandleMark rnhm;
771 Thread* THREAD = Thread::current();
772 SignatureStream ss(fd->signature(), false);
773 Symbol* name = ss.as_symbol(THREAD);
774 assert(!HAS_PENDING_EXCEPTION, "can resolve klass?");
775 InstanceKlass* holder = fd->field_holder();
776 Klass* k = SystemDictionary::find(name, Handle(THREAD, holder->class_loader()),
777 Handle(THREAD, holder->protection_domain()), THREAD);
778 assert(k != NULL && !HAS_PENDING_EXCEPTION, "can resolve klass?");
779 ValueKlass* vk = ValueKlass::cast(k);
780 oop obj;
781 if (flattened) {
782 int field_offset = fd->offset() - vk->first_field_offset();
783 obj = (oop)((address)mirror + field_offset);
784 } else {
785 obj = mirror->obj_field_acquire(fd->offset());
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