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 "memory/universe.inline.hpp"
30 #include "oops/annotations.hpp"
31 #include "oops/instanceKlass.hpp"
32 #include "oops/oop.inline.hpp"
33 #include "oops/fieldStreams.hpp"
34 #include "runtime/fieldDescriptor.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 {
129 name()->print_value_on(st);
130 st->print(" ");
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_on_for(outputStream* st, oop obj) {
149 print_on(st);
150 BasicType ft = field_type();
151 jint as_int = 0;
152 switch (ft) {
153 case T_BYTE:
154 as_int = (jint)obj->byte_field(offset());
155 st->print(" %d", obj->byte_field(offset()));
156 break;
157 case T_CHAR:
158 as_int = (jint)obj->char_field(offset());
159 {
160 jchar c = obj->char_field(offset());
161 as_int = c;
162 st->print(" %c %d", isprint(c) ? c : ' ', c);
163 }
164 break;
165 case T_DOUBLE:
166 st->print(" %lf", obj->double_field(offset()));
167 break;
168 case T_FLOAT:
169 as_int = obj->int_field(offset());
170 st->print(" %f", obj->float_field(offset()));
178 st->print_jlong(obj->long_field(offset()));
179 break;
180 case T_SHORT:
181 as_int = obj->short_field(offset());
182 st->print(" %d", obj->short_field(offset()));
183 break;
184 case T_BOOLEAN:
185 as_int = obj->bool_field(offset());
186 st->print(" %s", obj->bool_field(offset()) ? "true" : "false");
187 break;
188 case T_ARRAY:
189 st->print(" ");
190 NOT_LP64(as_int = obj->int_field(offset()));
191 obj->obj_field(offset())->print_value_on(st);
192 break;
193 case T_OBJECT:
194 st->print(" ");
195 NOT_LP64(as_int = obj->int_field(offset()));
196 obj->obj_field(offset())->print_value_on(st);
197 break;
198 case T_VALUETYPE:
199 st->print(" ");
200 NOT_LP64(as_int = obj->int_field(offset()));
201 obj->obj_field(offset())->print_value_on(st);
202 break;
203 default:
204 ShouldNotReachHere();
205 break;
206 }
207 // Print a hint as to the underlying integer representation. This can be wrong for
208 // pointers on an LP64 machine
209 if (ft == T_LONG || ft == T_DOUBLE LP64_ONLY(|| !is_java_primitive(ft)) ) {
210 st->print(" (%x %x)", obj->int_field(offset()), obj->int_field(offset()+sizeof(jint)));
211 } else if (as_int < 0 || as_int > 9) {
212 st->print(" (%x)", as_int);
213 }
214 }
215
216 #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 "memory/universe.inline.hpp"
30 #include "oops/annotations.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.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 {
130 name()->print_value_on(st);
131 st->print(" ");
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_on_for(outputStream* st, oop obj) {
150 BasicType ft = field_type();
151 if (ft != T_VALUETYPE) {
152 print_on(st);
153 }
154 jint as_int = 0;
155 switch (ft) {
156 case T_BYTE:
157 as_int = (jint)obj->byte_field(offset());
158 st->print(" %d", obj->byte_field(offset()));
159 break;
160 case T_CHAR:
161 as_int = (jint)obj->char_field(offset());
162 {
163 jchar c = obj->char_field(offset());
164 as_int = c;
165 st->print(" %c %d", isprint(c) ? c : ' ', c);
166 }
167 break;
168 case T_DOUBLE:
169 st->print(" %lf", obj->double_field(offset()));
170 break;
171 case T_FLOAT:
172 as_int = obj->int_field(offset());
173 st->print(" %f", obj->float_field(offset()));
181 st->print_jlong(obj->long_field(offset()));
182 break;
183 case T_SHORT:
184 as_int = obj->short_field(offset());
185 st->print(" %d", obj->short_field(offset()));
186 break;
187 case T_BOOLEAN:
188 as_int = obj->bool_field(offset());
189 st->print(" %s", obj->bool_field(offset()) ? "true" : "false");
190 break;
191 case T_ARRAY:
192 st->print(" ");
193 NOT_LP64(as_int = obj->int_field(offset()));
194 obj->obj_field(offset())->print_value_on(st);
195 break;
196 case T_OBJECT:
197 st->print(" ");
198 NOT_LP64(as_int = obj->int_field(offset()));
199 obj->obj_field(offset())->print_value_on(st);
200 break;
201 case T_VALUETYPE: {
202 // Resolve klass of flattened value type field
203 Thread* THREAD = Thread::current();
204 SignatureStream ss(signature(), false);
205 Klass* k = ss.as_klass(Handle(field_holder()->class_loader()), Handle(field_holder()->protection_domain()), SignatureStream::ReturnNull, THREAD);
206 assert(k != NULL && !HAS_PENDING_EXCEPTION, "can resolve klass?");
207 ValueKlass* vk = ValueKlass::cast(k);
208 int field_offset = offset() - vk->first_field_offset();
209 obj = (oop)((uintptr_t)obj + field_offset);
210 // Print flattened fields of the value type field
211 st->print_cr("Flattened value type '%s':", vk->name()->as_C_string());
212 FieldPrinter print_field(st, obj);
213 vk->do_nonstatic_fields(&print_field);
214 return; // Do not print underlying representation
215 }
216 default:
217 ShouldNotReachHere();
218 break;
219 }
220 // Print a hint as to the underlying integer representation. This can be wrong for
221 // pointers on an LP64 machine
222 if (ft == T_LONG || ft == T_DOUBLE LP64_ONLY(|| !is_java_primitive(ft)) ) {
223 st->print(" (%x %x)", obj->int_field(offset()), obj->int_field(offset()+sizeof(jint)));
224 } else if (as_int < 0 || as_int > 9) {
225 st->print(" (%x)", as_int);
226 }
227 st->cr();
228 }
229
230 #endif /* PRODUCT */
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