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 "gc/shared/collectedHeap.inline.hpp"
29 #include "gc/shared/gc_globals.hpp"
30 #include "memory/resourceArea.hpp"
31 #include "memory/universe.hpp"
32 #include "oops/access.inline.hpp"
33 #include "oops/compressedOops.inline.hpp"
34 #include "oops/oop.inline.hpp"
35 #include "oops/verifyOopClosure.hpp"
36 #include "runtime/handles.inline.hpp"
37 #include "runtime/thread.inline.hpp"
38 #include "utilities/copy.hpp"
39 #include "utilities/macros.hpp"
40
41 void oopDesc::print_on(outputStream* st) const {
42 klass()->oop_print_on(const_cast<oopDesc*>(this), st);
43 }
44
45 void oopDesc::print_address_on(outputStream* st) const {
46 st->print("{" INTPTR_FORMAT "}", p2i(this));
47
48 }
49
50 void oopDesc::print() { print_on(tty); }
51
52 void oopDesc::print_address() { print_address_on(tty); }
53
54 char* oopDesc::print_string() {
55 stringStream st;
56 print_on(&st);
156 if (UseCompressedClassPointers) {
157 narrowKlass narrow_klass = obj->_metadata._compressed_klass;
158 if (narrow_klass == 0) return NULL;
159 return (void*)CompressedKlassPointers::decode_raw(narrow_klass);
160 } else {
161 return obj->_metadata._klass;
162 }
163 }
164
165 void* oopDesc::load_oop_raw(oop obj, int offset) {
166 uintptr_t addr = (uintptr_t)(void*)obj + (uint)offset;
167 if (UseCompressedOops) {
168 narrowOop narrow_oop = *(narrowOop*)addr;
169 if (CompressedOops::is_null(narrow_oop)) return NULL;
170 return (void*)CompressedOops::decode_raw(narrow_oop);
171 } else {
172 return *(void**)addr;
173 }
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); }
179 void oopDesc::release_obj_field_put(int offset, oop value) { HeapAccess<MO_RELEASE>::oop_store_at(as_oop(), offset, value); }
180 void oopDesc::obj_field_put_volatile(int offset, oop value) { HeapAccess<MO_SEQ_CST>::oop_store_at(as_oop(), offset, value); }
181
182 address oopDesc::address_field(int offset) const { return *field_addr<address>(offset); }
183 address oopDesc::address_field_acquire(int offset) const { return Atomic::load_acquire(field_addr<address>(offset)); }
184
185 void oopDesc::address_field_put(int offset, address value) { *field_addr<address>(offset) = value; }
186 void oopDesc::release_address_field_put(int offset, address value) { Atomic::release_store(field_addr<address>(offset), value); }
187
188 Metadata* oopDesc::metadata_field(int offset) const { return *field_addr<Metadata*>(offset); }
189 void oopDesc::metadata_field_put(int offset, Metadata* value) { *field_addr<Metadata*>(offset) = value; }
190
191 Metadata* oopDesc::metadata_field_acquire(int offset) const { return Atomic::load_acquire(field_addr<Metadata*>(offset)); }
192 void oopDesc::release_metadata_field_put(int offset, Metadata* value) { Atomic::release_store(field_addr<Metadata*>(offset), value); }
193
194 jbyte oopDesc::byte_field_acquire(int offset) const { return Atomic::load_acquire(field_addr<jbyte>(offset)); }
195 void oopDesc::release_byte_field_put(int offset, jbyte value) { Atomic::release_store(field_addr<jbyte>(offset), value); }
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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 "gc/shared/collectedHeap.inline.hpp"
29 #include "gc/shared/gc_globals.hpp"
30 #include "memory/resourceArea.hpp"
31 #include "memory/universe.hpp"
32 #include "oops/access.inline.hpp"
33 #include "oops/compressedOops.inline.hpp"
34 #include "oops/oop.inline.hpp"
35 #include "oops/verifyOopClosure.hpp"
36 #include "runtime/handles.inline.hpp"
37 #include "runtime/interfaceSupport.inline.hpp"
38 #include "runtime/thread.inline.hpp"
39 #include "utilities/copy.hpp"
40 #include "utilities/macros.hpp"
41
42 void oopDesc::print_on(outputStream* st) const {
43 klass()->oop_print_on(const_cast<oopDesc*>(this), st);
44 }
45
46 void oopDesc::print_address_on(outputStream* st) const {
47 st->print("{" INTPTR_FORMAT "}", p2i(this));
48
49 }
50
51 void oopDesc::print() { print_on(tty); }
52
53 void oopDesc::print_address() { print_address_on(tty); }
54
55 char* oopDesc::print_string() {
56 stringStream st;
57 print_on(&st);
157 if (UseCompressedClassPointers) {
158 narrowKlass narrow_klass = obj->_metadata._compressed_klass;
159 if (narrow_klass == 0) return NULL;
160 return (void*)CompressedKlassPointers::decode_raw(narrow_klass);
161 } else {
162 return obj->_metadata._klass;
163 }
164 }
165
166 void* oopDesc::load_oop_raw(oop obj, int offset) {
167 uintptr_t addr = (uintptr_t)(void*)obj + (uint)offset;
168 if (UseCompressedOops) {
169 narrowOop narrow_oop = *(narrowOop*)addr;
170 if (CompressedOops::is_null(narrow_oop)) return NULL;
171 return (void*)CompressedOops::decode_raw(narrow_oop);
172 } else {
173 return *(void**)addr;
174 }
175 }
176
177 JRT_LEAF(Klass*, oopDesc::load_klass_runtime(oopDesc* o))
178 assert(o != NULL, "null-check");
179 return oop(o)->klass();
180 JRT_END
181
182 oop oopDesc::obj_field_acquire(int offset) const { return HeapAccess<MO_ACQUIRE>::oop_load_at(as_oop(), offset); }
183
184 void oopDesc::obj_field_put_raw(int offset, oop value) { RawAccess<>::oop_store_at(as_oop(), offset, value); }
185 void oopDesc::release_obj_field_put(int offset, oop value) { HeapAccess<MO_RELEASE>::oop_store_at(as_oop(), offset, value); }
186 void oopDesc::obj_field_put_volatile(int offset, oop value) { HeapAccess<MO_SEQ_CST>::oop_store_at(as_oop(), offset, value); }
187
188 address oopDesc::address_field(int offset) const { return *field_addr<address>(offset); }
189 address oopDesc::address_field_acquire(int offset) const { return Atomic::load_acquire(field_addr<address>(offset)); }
190
191 void oopDesc::address_field_put(int offset, address value) { *field_addr<address>(offset) = value; }
192 void oopDesc::release_address_field_put(int offset, address value) { Atomic::release_store(field_addr<address>(offset), value); }
193
194 Metadata* oopDesc::metadata_field(int offset) const { return *field_addr<Metadata*>(offset); }
195 void oopDesc::metadata_field_put(int offset, Metadata* value) { *field_addr<Metadata*>(offset) = value; }
196
197 Metadata* oopDesc::metadata_field_acquire(int offset) const { return Atomic::load_acquire(field_addr<Metadata*>(offset)); }
198 void oopDesc::release_metadata_field_put(int offset, Metadata* value) { Atomic::release_store(field_addr<Metadata*>(offset), value); }
199
200 jbyte oopDesc::byte_field_acquire(int offset) const { return Atomic::load_acquire(field_addr<jbyte>(offset)); }
201 void oopDesc::release_byte_field_put(int offset, jbyte value) { Atomic::release_store(field_addr<jbyte>(offset), value); }
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