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/systemDictionary.hpp"
27 #include "classfile/vmSymbols.hpp"
28 #include "memory/resourceArea.hpp"
29 #include "oops/annotations.hpp"
30 #include "oops/constantPool.hpp"
31 #include "oops/instanceKlass.hpp"
32 #include "oops/oop.inline.hpp"
33 #include "oops/fieldStreams.hpp"
34 #include "runtime/fieldDescriptor.inline.hpp"
35 #include "runtime/handles.inline.hpp"
36 #include "runtime/signature.hpp"
37
38
39 oop fieldDescriptor::loader() const {
40 return _cp->pool_holder()->class_loader();
41 }
42
43 Symbol* fieldDescriptor::generic_signature() const {
44 if (!has_generic_signature()) {
45 return NULL;
46 }
47
48 int idx = 0;
49 InstanceKlass* ik = field_holder();
50 for (AllFieldStream fs(ik); !fs.done(); fs.next()) {
51 if (idx == _index) {
52 return fs.generic_signature();
53 } else {
131 signature()->print_value_on(st);
132 st->print(" @%d ", offset());
133 if (WizardMode && has_initial_value()) {
134 st->print("(initval ");
135 constantTag t = initial_value_tag();
136 if (t.is_int()) {
137 st->print("int %d)", int_initial_value());
138 } else if (t.is_long()){
139 st->print_jlong(long_initial_value());
140 } else if (t.is_float()){
141 st->print("float %f)", float_initial_value());
142 } else if (t.is_double()){
143 st->print("double %lf)", double_initial_value());
144 }
145 }
146 }
147
148 void fieldDescriptor::print() const { print_on(tty); }
149
150 void fieldDescriptor::print_on_for(outputStream* st, oop obj) {
151 print_on(st);
152 BasicType ft = field_type();
153 jint as_int = 0;
154 switch (ft) {
155 case T_BYTE:
156 as_int = (jint)obj->byte_field(offset());
157 st->print(" %d", obj->byte_field(offset()));
158 break;
159 case T_CHAR:
160 as_int = (jint)obj->char_field(offset());
161 {
162 jchar c = obj->char_field(offset());
163 as_int = c;
164 st->print(" %c %d", isprint(c) ? c : ' ', c);
165 }
166 break;
167 case T_DOUBLE:
168 st->print(" %lf", obj->double_field(offset()));
169 break;
170 case T_FLOAT:
171 as_int = obj->int_field(offset());
172 st->print(" %f", obj->float_field(offset()));
188 st->print(" %s", obj->bool_field(offset()) ? "true" : "false");
189 break;
190 case T_ARRAY:
191 st->print(" ");
192 NOT_LP64(as_int = obj->int_field(offset()));
193 if (obj->obj_field(offset()) != NULL) {
194 obj->obj_field(offset())->print_value_on(st);
195 } else {
196 st->print_cr("NULL");
197 }
198 break;
199 case T_OBJECT:
200 st->print(" ");
201 NOT_LP64(as_int = obj->int_field(offset()));
202 if (obj->obj_field(offset()) != NULL) {
203 obj->obj_field(offset())->print_value_on(st);
204 } else {
205 st->print_cr("NULL");
206 }
207 break;
208 default:
209 ShouldNotReachHere();
210 break;
211 }
212 // Print a hint as to the underlying integer representation. This can be wrong for
213 // pointers on an LP64 machine
214 #ifdef _LP64
215 if ((ft == T_OBJECT || ft == T_ARRAY) && UseCompressedOops) {
216 st->print(" (%x)", obj->int_field(offset()));
217 }
218 else // <- intended
219 #endif
220 if (ft == T_LONG || ft == T_DOUBLE LP64_ONLY(|| !is_java_primitive(ft)) ) {
221 st->print(" (%x %x)", obj->int_field(offset()), obj->int_field(offset()+sizeof(jint)));
222 } else if (as_int < 0 || as_int > 9) {
223 st->print(" (%x)", as_int);
224 }
225 }
226
227 #endif /* PRODUCT */
|
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/systemDictionary.hpp"
27 #include "classfile/vmSymbols.hpp"
28 #include "memory/resourceArea.hpp"
29 #include "oops/annotations.hpp"
30 #include "oops/constantPool.hpp"
31 #include "oops/instanceKlass.hpp"
32 #include "oops/oop.inline.hpp"
33 #include "oops/fieldStreams.hpp"
34 #include "oops/valueKlass.hpp"
35 #include "runtime/fieldDescriptor.inline.hpp"
36 #include "runtime/handles.inline.hpp"
37 #include "runtime/signature.hpp"
38
39
40 oop fieldDescriptor::loader() const {
41 return _cp->pool_holder()->class_loader();
42 }
43
44 Symbol* fieldDescriptor::generic_signature() const {
45 if (!has_generic_signature()) {
46 return NULL;
47 }
48
49 int idx = 0;
50 InstanceKlass* ik = field_holder();
51 for (AllFieldStream fs(ik); !fs.done(); fs.next()) {
52 if (idx == _index) {
53 return fs.generic_signature();
54 } else {
132 signature()->print_value_on(st);
133 st->print(" @%d ", offset());
134 if (WizardMode && has_initial_value()) {
135 st->print("(initval ");
136 constantTag t = initial_value_tag();
137 if (t.is_int()) {
138 st->print("int %d)", int_initial_value());
139 } else if (t.is_long()){
140 st->print_jlong(long_initial_value());
141 } else if (t.is_float()){
142 st->print("float %f)", float_initial_value());
143 } else if (t.is_double()){
144 st->print("double %lf)", double_initial_value());
145 }
146 }
147 }
148
149 void fieldDescriptor::print() const { print_on(tty); }
150
151 void fieldDescriptor::print_on_for(outputStream* st, oop obj) {
152 BasicType ft = field_type();
153 if (ft != T_VALUETYPE) {
154 print_on(st);
155 }
156 jint as_int = 0;
157 switch (ft) {
158 case T_BYTE:
159 as_int = (jint)obj->byte_field(offset());
160 st->print(" %d", obj->byte_field(offset()));
161 break;
162 case T_CHAR:
163 as_int = (jint)obj->char_field(offset());
164 {
165 jchar c = obj->char_field(offset());
166 as_int = c;
167 st->print(" %c %d", isprint(c) ? c : ' ', c);
168 }
169 break;
170 case T_DOUBLE:
171 st->print(" %lf", obj->double_field(offset()));
172 break;
173 case T_FLOAT:
174 as_int = obj->int_field(offset());
175 st->print(" %f", obj->float_field(offset()));
191 st->print(" %s", obj->bool_field(offset()) ? "true" : "false");
192 break;
193 case T_ARRAY:
194 st->print(" ");
195 NOT_LP64(as_int = obj->int_field(offset()));
196 if (obj->obj_field(offset()) != NULL) {
197 obj->obj_field(offset())->print_value_on(st);
198 } else {
199 st->print_cr("NULL");
200 }
201 break;
202 case T_OBJECT:
203 st->print(" ");
204 NOT_LP64(as_int = obj->int_field(offset()));
205 if (obj->obj_field(offset()) != NULL) {
206 obj->obj_field(offset())->print_value_on(st);
207 } else {
208 st->print_cr("NULL");
209 }
210 break;
211 case T_VALUETYPE:
212 if (is_flattened()) {
213 // Resolve klass of flattened value type field
214 ResourceMark rm(Thread::current());
215 SignatureStream ss(signature(), false);
216 ValueKlass* vk = ss.as_value_klass(field_holder());
217 int field_offset = offset() - vk->first_field_offset();
218 obj = (oop)((address)obj + field_offset);
219 // Print flattened fields of the value type field
220 st->print_cr("Flattened value type '%s':", vk->name()->as_C_string());
221 FieldPrinter print_field(st, obj);
222 vk->do_nonstatic_fields(&print_field);
223 return; // Do not print underlying representation
224 } else {
225 st->print(" ");
226 NOT_LP64(as_int = obj->int_field(offset()));
227 obj->obj_field(offset())->print_value_on(st);
228 }
229 break;
230 default:
231 ShouldNotReachHere();
232 break;
233 }
234 // Print a hint as to the underlying integer representation. This can be wrong for
235 // pointers on an LP64 machine
236 #ifdef _LP64
237 if ((ft == T_OBJECT || ft == T_ARRAY || ft == T_VALUETYPE) && UseCompressedOops) {
238 st->print(" (%x)", obj->int_field(offset()));
239 }
240 else // <- intended
241 #endif
242 if (ft == T_LONG || ft == T_DOUBLE LP64_ONLY(|| !is_java_primitive(ft)) ) {
243 st->print(" (%x %x)", obj->int_field(offset()), obj->int_field(offset()+sizeof(jint)));
244 } else if (as_int < 0 || as_int > 9) {
245 st->print(" (%x)", as_int);
246 }
247 st->cr();
248 }
249
250 #endif /* PRODUCT */
|