5 * under the terms of the GNU General Public License version 2 only, as
6 * published by the Free Software Foundation.
7 *
8 * This code is distributed in the hope that it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
11 * version 2 for more details (a copy is included in the LICENSE file that
12 * accompanied this code).
13 *
14 * You should have received a copy of the GNU General Public License version
15 * 2 along with this work; if not, write to the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
17 *
18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
19 * or visit www.oracle.com if you need additional information or have any
20 * questions.
21 *
22 */
23
24 #include "precompiled.hpp"
25 #include "gc/shenandoah/shenandoahBarrierSet.hpp"
26 #include "gc/shenandoah/shenandoahRuntime.hpp"
27 #include "gc/shenandoah/shenandoahThreadLocalData.hpp"
28 #include "runtime/interfaceSupport.inline.hpp"
29 #include "oops/oop.inline.hpp"
30
31 void ShenandoahRuntime::write_ref_array_pre_oop_entry(oop* dst, size_t length) {
32 ShenandoahBarrierSet *bs = ShenandoahBarrierSet::barrier_set();
33 bs->write_ref_array_pre(dst, length, false);
34 }
35
36 void ShenandoahRuntime::write_ref_array_pre_narrow_oop_entry(narrowOop* dst, size_t length) {
37 ShenandoahBarrierSet *bs = ShenandoahBarrierSet::barrier_set();
38 bs->write_ref_array_pre(dst, length, false);
39 }
40
41 void ShenandoahRuntime::write_ref_array_post_entry(HeapWord* dst, size_t length) {
42 ShenandoahBarrierSet *bs = ShenandoahBarrierSet::barrier_set();
43 bs->ShenandoahBarrierSet::write_ref_array(dst, length);
44 }
45
46 // Shenandoah pre write barrier slowpath
47 JRT_LEAF(void, ShenandoahRuntime::write_ref_field_pre_entry(oopDesc* orig, JavaThread *thread))
48 if (orig == NULL) {
49 assert(false, "should be optimized out");
50 return;
51 }
52 shenandoah_assert_correct(NULL, orig);
53 // store the original value that was in the field reference
54 assert(ShenandoahThreadLocalData::satb_mark_queue(thread).is_active(), "Shouldn't be here otherwise");
55 ShenandoahThreadLocalData::satb_mark_queue(thread).enqueue_known_active(orig);
56 JRT_END
57
58 JRT_LEAF(oopDesc*, ShenandoahRuntime::load_reference_barrier(oopDesc * src))
59 oop result = ShenandoahBarrierSet::barrier_set()->load_reference_barrier_mutator(src);
60 return (oopDesc*) result;
61 JRT_END
62
63 // Shenandoah clone barrier: makes sure that references point to to-space
64 // in cloned objects.
65 JRT_LEAF(void, ShenandoahRuntime::shenandoah_clone_barrier(oopDesc* obj))
66 ShenandoahBarrierSet::barrier_set()->write_region(MemRegion((HeapWord*) obj, obj->size()));
67 JRT_END
68
69 JRT_LEAF(oopDesc*, ShenandoahRuntime::load_reference_barrier_native(oopDesc * src))
70 return (oopDesc*) ShenandoahBarrierSet::barrier_set()->oop_load_from_native_barrier(oop(src));
71 JRT_END
|
5 * under the terms of the GNU General Public License version 2 only, as
6 * published by the Free Software Foundation.
7 *
8 * This code is distributed in the hope that it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
11 * version 2 for more details (a copy is included in the LICENSE file that
12 * accompanied this code).
13 *
14 * You should have received a copy of the GNU General Public License version
15 * 2 along with this work; if not, write to the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
17 *
18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
19 * or visit www.oracle.com if you need additional information or have any
20 * questions.
21 *
22 */
23
24 #include "precompiled.hpp"
25 #include "gc/shenandoah/shenandoahBarrierSet.inline.hpp"
26 #include "gc/shenandoah/shenandoahRuntime.hpp"
27 #include "gc/shenandoah/shenandoahThreadLocalData.hpp"
28 #include "runtime/interfaceSupport.inline.hpp"
29 #include "oops/oop.inline.hpp"
30
31 void ShenandoahRuntime::write_ref_array_pre_oop_entry(oop* src, oop* dst, size_t length) {
32 ShenandoahBarrierSet *bs = ShenandoahBarrierSet::barrier_set();
33 bs->arraycopy_pre(src, dst, length);
34 }
35
36 void ShenandoahRuntime::write_ref_array_pre_narrow_oop_entry(narrowOop* src, narrowOop* dst, size_t length) {
37 ShenandoahBarrierSet *bs = ShenandoahBarrierSet::barrier_set();
38 bs->arraycopy_pre(src, dst, length);
39 }
40
41 void ShenandoahRuntime::write_ref_array_pre_duinit_oop_entry(oop* src, oop* dst, size_t length) {
42 ShenandoahBarrierSet *bs = ShenandoahBarrierSet::barrier_set();
43 bs->arraycopy_update(src, length);
44 }
45
46 void ShenandoahRuntime::write_ref_array_pre_duinit_narrow_oop_entry(narrowOop* src, narrowOop* dst, size_t length) {
47 ShenandoahBarrierSet *bs = ShenandoahBarrierSet::barrier_set();
48 bs->arraycopy_update(src, length);
49 }
50
51 // Shenandoah pre write barrier slowpath
52 JRT_LEAF(void, ShenandoahRuntime::write_ref_field_pre_entry(oopDesc* orig, JavaThread *thread))
53 if (orig == NULL) {
54 assert(false, "should be optimized out");
55 return;
56 }
57 shenandoah_assert_correct(NULL, orig);
58 // store the original value that was in the field reference
59 assert(ShenandoahThreadLocalData::satb_mark_queue(thread).is_active(), "Shouldn't be here otherwise");
60 ShenandoahThreadLocalData::satb_mark_queue(thread).enqueue_known_active(orig);
61 JRT_END
62
63 JRT_LEAF(oopDesc*, ShenandoahRuntime::load_reference_barrier(oopDesc * src))
64 oop result = ShenandoahBarrierSet::barrier_set()->load_reference_barrier_mutator(src);
65 return (oopDesc*) result;
66 JRT_END
67
68 // Shenandoah clone barrier: makes sure that references point to to-space
69 // in cloned objects.
70 JRT_LEAF(void, ShenandoahRuntime::shenandoah_clone_barrier(oopDesc* s, oopDesc* d, size_t length))
71 oop src = oop(s);
72 oop dst = oop(d);
73 shenandoah_assert_correct(NULL, src);
74 shenandoah_assert_correct(NULL, dst);
75 ShenandoahBarrierSet::barrier_set()->clone_barrier(src);
76 RawAccessBarrier<IS_NOT_NULL>::clone(src, dst, length);
77 JRT_END
78
79 JRT_LEAF(oopDesc*, ShenandoahRuntime::load_reference_barrier_native(oopDesc * src))
80 return (oopDesc*) ShenandoahBarrierSet::barrier_set()->oop_load_from_native_barrier(oop(src));
81 JRT_END
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