9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
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/altHashing.hpp"
27 #include "classfile/javaClasses.inline.hpp"
28 #include "memory/resourceArea.hpp"
29 #include "oops/oop.inline.hpp"
30 #include "oops/verifyOopClosure.hpp"
31 #include "runtime/handles.inline.hpp"
32 #include "runtime/thread.inline.hpp"
33 #include "utilities/copy.hpp"
34 #if INCLUDE_ALL_GCS
35 #include "gc/g1/g1Allocator.inline.hpp"
36 #endif
37
38 bool always_do_update_barrier = false;
39
40 void oopDesc::print_on(outputStream* st) const {
41 if (this == NULL) {
42 st->print_cr("NULL");
43 } else {
44 klass()->oop_print_on(oop(this), st);
45 }
46 }
47
48 void oopDesc::print_address_on(outputStream* st) const {
138 }
139 return !SafepointSynchronize::is_at_safepoint();
140 }
141
142 // used only for asserts and guarantees
143 bool oopDesc::is_oop_or_null(oop obj, bool ignore_mark_word) {
144 return obj == NULL ? true : is_oop(obj, ignore_mark_word);
145 }
146
147 #ifndef PRODUCT
148 // used only for asserts
149 bool oopDesc::is_unlocked_oop() const {
150 if (!Universe::heap()->is_in_reserved(this)) return false;
151 return mark()->is_unlocked();
152 }
153 #endif // PRODUCT
154
155 VerifyOopClosure VerifyOopClosure::verify_oop;
156
157 template <class T> void VerifyOopClosure::do_oop_work(T* p) {
158 oop obj = oopDesc::load_decode_heap_oop(p);
159 guarantee(oopDesc::is_oop_or_null(obj), "invalid oop: " INTPTR_FORMAT, p2i((oopDesc*) obj));
160 }
161
162 void VerifyOopClosure::do_oop(oop* p) { VerifyOopClosure::do_oop_work(p); }
163 void VerifyOopClosure::do_oop(narrowOop* p) { VerifyOopClosure::do_oop_work(p); }
164
165 // type test operations that doesn't require inclusion of oop.inline.hpp.
166 bool oopDesc::is_instance_noinline() const { return is_instance(); }
167 bool oopDesc::is_array_noinline() const { return is_array(); }
168 bool oopDesc::is_objArray_noinline() const { return is_objArray(); }
169 bool oopDesc::is_typeArray_noinline() const { return is_typeArray(); }
170
171 bool oopDesc::has_klass_gap() {
172 // Only has a klass gap when compressed class pointers are used.
173 return UseCompressedClassPointers;
174 }
175
176 oop oopDesc::obj_field_acquire(int offset) const { return HeapAccess<MO_ACQUIRE>::oop_load_at(as_oop(), offset); }
177
178 void oopDesc::obj_field_put_raw(int offset, oop value) { RawAccess<>::oop_store_at(as_oop(), offset, value); }
|
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
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/altHashing.hpp"
27 #include "classfile/javaClasses.inline.hpp"
28 #include "memory/resourceArea.hpp"
29 #include "oops/access.inline.hpp"
30 #include "oops/oop.inline.hpp"
31 #include "oops/verifyOopClosure.hpp"
32 #include "runtime/handles.inline.hpp"
33 #include "runtime/thread.inline.hpp"
34 #include "utilities/copy.hpp"
35 #if INCLUDE_ALL_GCS
36 #include "gc/g1/g1Allocator.inline.hpp"
37 #endif
38
39 bool always_do_update_barrier = false;
40
41 void oopDesc::print_on(outputStream* st) const {
42 if (this == NULL) {
43 st->print_cr("NULL");
44 } else {
45 klass()->oop_print_on(oop(this), st);
46 }
47 }
48
49 void oopDesc::print_address_on(outputStream* st) const {
139 }
140 return !SafepointSynchronize::is_at_safepoint();
141 }
142
143 // used only for asserts and guarantees
144 bool oopDesc::is_oop_or_null(oop obj, bool ignore_mark_word) {
145 return obj == NULL ? true : is_oop(obj, ignore_mark_word);
146 }
147
148 #ifndef PRODUCT
149 // used only for asserts
150 bool oopDesc::is_unlocked_oop() const {
151 if (!Universe::heap()->is_in_reserved(this)) return false;
152 return mark()->is_unlocked();
153 }
154 #endif // PRODUCT
155
156 VerifyOopClosure VerifyOopClosure::verify_oop;
157
158 template <class T> void VerifyOopClosure::do_oop_work(T* p) {
159 oop obj = RawAccess<>::oop_load(p);
160 guarantee(oopDesc::is_oop_or_null(obj), "invalid oop: " INTPTR_FORMAT, p2i((oopDesc*) obj));
161 }
162
163 void VerifyOopClosure::do_oop(oop* p) { VerifyOopClosure::do_oop_work(p); }
164 void VerifyOopClosure::do_oop(narrowOop* p) { VerifyOopClosure::do_oop_work(p); }
165
166 // type test operations that doesn't require inclusion of oop.inline.hpp.
167 bool oopDesc::is_instance_noinline() const { return is_instance(); }
168 bool oopDesc::is_array_noinline() const { return is_array(); }
169 bool oopDesc::is_objArray_noinline() const { return is_objArray(); }
170 bool oopDesc::is_typeArray_noinline() const { return is_typeArray(); }
171
172 bool oopDesc::has_klass_gap() {
173 // Only has a klass gap when compressed class pointers are used.
174 return UseCompressedClassPointers;
175 }
176
177 oop oopDesc::obj_field_acquire(int offset) const { return HeapAccess<MO_ACQUIRE>::oop_load_at(as_oop(), offset); }
178
179 void oopDesc::obj_field_put_raw(int offset, oop value) { RawAccess<>::oop_store_at(as_oop(), offset, value); }
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