14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26 #include "classfile/vmSymbols.hpp"
27 #include "memory/resourceArea.hpp"
28 #include "oops/annotations.hpp"
29 #include "oops/constantPool.hpp"
30 #include "oops/instanceKlass.hpp"
31 #include "oops/klass.inline.hpp"
32 #include "oops/oop.inline.hpp"
33 #include "oops/fieldStreams.inline.hpp"
34 #include "runtime/fieldDescriptor.inline.hpp"
35 #include "runtime/handles.inline.hpp"
36 #include "runtime/signature.hpp"
37
38 Symbol* fieldDescriptor::generic_signature() const {
39 if (!has_generic_signature()) {
40 return nullptr;
41 }
42 return _cp->symbol_at(_fieldinfo.generic_signature_index());
43 }
44
45 bool fieldDescriptor::is_trusted_final() const {
46 InstanceKlass* ik = field_holder();
47 return is_final() && (is_static() || ik->is_hidden() || ik->is_record());
48 }
49
50 AnnotationArray* fieldDescriptor::annotations() const {
51 InstanceKlass* ik = field_holder();
52 Array<AnnotationArray*>* md = ik->fields_annotations();
53 if (md == nullptr)
54 return nullptr;
55 return md->at(index());
56 }
57
58 AnnotationArray* fieldDescriptor::type_annotations() const {
59 InstanceKlass* ik = field_holder();
60 Array<AnnotationArray*>* type_annos = ik->fields_type_annotations();
61 if (type_annos == nullptr)
62 return nullptr;
63 return type_annos->at(index());
64 }
65
66 constantTag fieldDescriptor::initial_value_tag() const {
67 return constants()->tag_at(initial_value_index());
108 signature()->print_value_on(st);
109 st->print(" @%d ", offset());
110 if (WizardMode && has_initial_value()) {
111 st->print("(initval ");
112 constantTag t = initial_value_tag();
113 if (t.is_int()) {
114 st->print("int %d)", int_initial_value());
115 } else if (t.is_long()){
116 st->print_jlong(long_initial_value());
117 } else if (t.is_float()){
118 st->print("float %f)", float_initial_value());
119 } else if (t.is_double()){
120 st->print("double %lf)", double_initial_value());
121 }
122 }
123 }
124
125 void fieldDescriptor::print() const { print_on(tty); }
126
127 void fieldDescriptor::print_on_for(outputStream* st, oop obj) {
128 print_on(st);
129 st->print(" ");
130
131 BasicType ft = field_type();
132 switch (ft) {
133 case T_BYTE:
134 st->print("%d", obj->byte_field(offset()));
135 break;
136 case T_CHAR:
137 {
138 jchar c = obj->char_field(offset());
139 st->print("%c %d", isprint(c) ? c : ' ', c);
140 }
141 break;
142 case T_DOUBLE:
143 st->print("%lf", obj->double_field(offset()));
144 break;
145 case T_FLOAT:
146 st->print("%f", obj->float_field(offset()));
147 break;
148 case T_INT:
149 st->print("%d", obj->int_field(offset()));
150 break;
151 case T_LONG:
152 st->print_jlong(obj->long_field(offset()));
153 break;
154 case T_SHORT:
155 st->print("%d", obj->short_field(offset()));
156 break;
157 case T_BOOLEAN:
158 st->print("%s", obj->bool_field(offset()) ? "true" : "false");
159 break;
160 case T_ARRAY:
161 if (obj->obj_field(offset()) != nullptr) {
162 obj->obj_field(offset())->print_value_on(st);
163 } else {
164 st->print("null");
165 }
166 break;
167 case T_OBJECT:
168 if (obj->obj_field(offset()) != nullptr) {
169 obj->obj_field(offset())->print_value_on(st);
170 } else {
171 st->print("null");
172 }
173 break;
174 default:
175 ShouldNotReachHere();
176 break;
177 }
178
179 // Print a hint as to the underlying integer representation.
180 if (is_reference_type(ft)) {
181 #ifdef _LP64
182 if (UseCompressedOops) {
183 st->print(" (" INT32_FORMAT_X_0 ")", obj->int_field(offset()));
184 } else {
185 st->print(" (" INT64_FORMAT_X_0 ")", (int64_t)obj->long_field(offset()));
186 }
187 #else
188 st->print(" (" INT32_FORMAT_X_0 ")", obj->int_field(offset()));
189 #endif
190 } else { // Primitives
191 switch (ft) {
192 case T_LONG: st->print(" (" INT64_FORMAT_X_0 ")", (int64_t)obj->long_field(offset())); break;
193 case T_DOUBLE: st->print(" (" INT64_FORMAT_X_0 ")", (int64_t)obj->long_field(offset())); break;
194 case T_BYTE: st->print(" (" INT8_FORMAT_X_0 ")", obj->byte_field(offset())); break;
195 case T_CHAR: st->print(" (" INT16_FORMAT_X_0 ")", obj->char_field(offset())); break;
196 case T_FLOAT: st->print(" (" INT32_FORMAT_X_0 ")", obj->int_field(offset())); break;
197 case T_INT: st->print(" (" INT32_FORMAT_X_0 ")", obj->int_field(offset())); break;
198 case T_SHORT: st->print(" (" INT16_FORMAT_X_0 ")", obj->short_field(offset())); break;
199 case T_BOOLEAN: st->print(" (" INT8_FORMAT_X_0 ")", obj->bool_field(offset())); break;
200 default:
201 ShouldNotReachHere();
202 break;
203 }
204 }
205 }
|
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26 #include "classfile/vmSymbols.hpp"
27 #include "memory/resourceArea.hpp"
28 #include "oops/annotations.hpp"
29 #include "oops/constantPool.hpp"
30 #include "oops/instanceKlass.hpp"
31 #include "oops/klass.inline.hpp"
32 #include "oops/oop.inline.hpp"
33 #include "oops/fieldStreams.inline.hpp"
34 #include "oops/inlineKlass.inline.hpp"
35 #include "runtime/fieldDescriptor.inline.hpp"
36 #include "runtime/handles.inline.hpp"
37 #include "runtime/signature.hpp"
38
39 Symbol* fieldDescriptor::generic_signature() const {
40 if (!has_generic_signature()) {
41 return nullptr;
42 }
43 return _cp->symbol_at(_fieldinfo.generic_signature_index());
44 }
45
46 bool fieldDescriptor::is_trusted_final() const {
47 InstanceKlass* ik = field_holder();
48 return is_final() && (is_static() || ik->is_hidden() || ik->is_record() || ik->is_inline_klass());
49 }
50
51 AnnotationArray* fieldDescriptor::annotations() const {
52 InstanceKlass* ik = field_holder();
53 Array<AnnotationArray*>* md = ik->fields_annotations();
54 if (md == nullptr)
55 return nullptr;
56 return md->at(index());
57 }
58
59 AnnotationArray* fieldDescriptor::type_annotations() const {
60 InstanceKlass* ik = field_holder();
61 Array<AnnotationArray*>* type_annos = ik->fields_type_annotations();
62 if (type_annos == nullptr)
63 return nullptr;
64 return type_annos->at(index());
65 }
66
67 constantTag fieldDescriptor::initial_value_tag() const {
68 return constants()->tag_at(initial_value_index());
109 signature()->print_value_on(st);
110 st->print(" @%d ", offset());
111 if (WizardMode && has_initial_value()) {
112 st->print("(initval ");
113 constantTag t = initial_value_tag();
114 if (t.is_int()) {
115 st->print("int %d)", int_initial_value());
116 } else if (t.is_long()){
117 st->print_jlong(long_initial_value());
118 } else if (t.is_float()){
119 st->print("float %f)", float_initial_value());
120 } else if (t.is_double()){
121 st->print("double %lf)", double_initial_value());
122 }
123 }
124 }
125
126 void fieldDescriptor::print() const { print_on(tty); }
127
128 void fieldDescriptor::print_on_for(outputStream* st, oop obj) {
129 BasicType ft = field_type();
130 if (!is_null_free_inline_type()) {
131 print_on(st);
132 st->print(" ");
133 }
134 jint as_int = 0;
135 switch (ft) {
136 case T_BYTE:
137 st->print("%d", obj->byte_field(offset()));
138 break;
139 case T_CHAR:
140 {
141 jchar c = obj->char_field(offset());
142 st->print("%c %d", isprint(c) ? c : ' ', c);
143 }
144 break;
145 case T_DOUBLE:
146 st->print("%lf", obj->double_field(offset()));
147 break;
148 case T_FLOAT:
149 st->print("%f", obj->float_field(offset()));
150 break;
151 case T_INT:
152 st->print("%d", obj->int_field(offset()));
153 break;
154 case T_LONG:
155 st->print_jlong(obj->long_field(offset()));
156 break;
157 case T_SHORT:
158 st->print("%d", obj->short_field(offset()));
159 break;
160 case T_BOOLEAN:
161 st->print("%s", obj->bool_field(offset()) ? "true" : "false");
162 break;
163 case T_ARRAY:
164 case T_OBJECT:
165 case T_PRIMITIVE_OBJECT:
166 if (is_flat()) { // only some inline types can be flat
167 assert(is_null_free_inline_type(), "Only null free inline type fields can be flat");
168 // Print fields of flat fields (recursively)
169 InlineKlass* vk = InlineKlass::cast(field_holder()->get_inline_type_field_klass(index()));
170 int field_offset = offset() - vk->first_field_offset();
171 obj = cast_to_oop(cast_from_oop<address>(obj) + field_offset);
172 st->print_cr("Flat inline type field '%s':", vk->name()->as_C_string());
173 FieldPrinter print_field(st, obj);
174 vk->do_nonstatic_fields(&print_field);
175 return; // Do not print underlying representation
176 }
177 // Not flat inline type field, fall through
178 if (obj->obj_field(offset()) != nullptr) {
179 obj->obj_field(offset())->print_value_on(st);
180 } else {
181 st->print("null");
182 }
183 break;
184 default:
185 ShouldNotReachHere();
186 break;
187 }
188
189 // Print a hint as to the underlying integer representation.
190 if (is_reference_type(ft)) {
191 #ifdef _LP64
192 if (UseCompressedOops) {
193 st->print(" (" INT32_FORMAT_X_0 ")", obj->int_field(offset()));
194 } else {
195 st->print(" (" INT64_FORMAT_X_0 ")", (int64_t)obj->long_field(offset()));
196 }
197 #else
198 st->print(" (" INT32_FORMAT_X_0 ")", obj->int_field(offset()));
199 #endif
200 } else { // Primitives
201 switch (ft) {
202 case T_LONG: st->print(" (" INT64_FORMAT_X_0 ")", (int64_t)obj->long_field(offset())); break;
203 case T_DOUBLE: st->print(" (" INT64_FORMAT_X_0 ")", (int64_t)obj->long_field(offset())); break;
204 case T_BYTE: st->print(" (" INT8_FORMAT_X_0 ")", obj->byte_field(offset())); break;
205 case T_CHAR: st->print(" (" INT16_FORMAT_X_0 ")", obj->char_field(offset())); break;
206 case T_FLOAT: st->print(" (" INT32_FORMAT_X_0 ")", obj->int_field(offset())); break;
207 case T_INT: st->print(" (" INT32_FORMAT_X_0 ")", obj->int_field(offset())); break;
208 case T_SHORT: st->print(" (" INT16_FORMAT_X_0 ")", obj->short_field(offset())); break;
209 case T_BOOLEAN: st->print(" (" INT8_FORMAT_X_0 ")", obj->bool_field(offset())); break;
210 default:
211 ShouldNotReachHere();
212 break;
213 }
214 }
215 st->cr();
216 }
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