1 /*
 2  * Copyright (c) 2018, 2019, Red Hat, Inc. All rights reserved.
 3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 4  *
 5  * This code is free software; you can redistribute it and/or modify it
 6  * under the terms of the GNU General Public License version 2 only, as
 7  * published by the Free Software Foundation.
 8  *
 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 "gc/shenandoah/shenandoahBarrierSet.inline.hpp"
26 #include "gc/shenandoah/shenandoahBarrierSetClone.inline.hpp"
27 #include "gc/shenandoah/shenandoahRuntime.hpp"
28 #include "gc/shenandoah/shenandoahThreadLocalData.hpp"
29 #include "oops/oop.inline.hpp"
30 #include "runtime/interfaceSupport.inline.hpp"
31 #include "utilities/copy.hpp"
32 
33 JRT_LEAF(void, ShenandoahRuntime::arraycopy_barrier_oop(oop* src, oop* dst, size_t length))
34   ShenandoahBarrierSet::barrier_set()->arraycopy_barrier(src, dst, length);
35 JRT_END
36 
37 JRT_LEAF(void, ShenandoahRuntime::arraycopy_barrier_narrow_oop(narrowOop* src, narrowOop* dst, size_t length))
38   ShenandoahBarrierSet::barrier_set()->arraycopy_barrier(src, dst, length);
39 JRT_END
40 





41 JRT_LEAF(void, ShenandoahRuntime::write_barrier_pre(oopDesc* orig))
42   assert(orig != nullptr, "should be optimized out");


43   shenandoah_assert_correct(nullptr, orig);
44   // Capture the original value that was in the field reference.
45   JavaThread* thread = JavaThread::current();
46   assert(ShenandoahThreadLocalData::satb_mark_queue(thread).is_active(), "Shouldn't be here otherwise");
47   SATBMarkQueue& queue = ShenandoahThreadLocalData::satb_mark_queue(thread);
48   ShenandoahBarrierSet::satb_mark_queue_set().enqueue_known_active(queue, orig);
49 JRT_END
50 
51 JRT_LEAF(oopDesc*, ShenandoahRuntime::load_reference_barrier_strong(oopDesc* src, oop* load_addr))
52   return ShenandoahBarrierSet::barrier_set()->load_reference_barrier_mutator(src, load_addr);
53 JRT_END
54 
55 JRT_LEAF(oopDesc*, ShenandoahRuntime::load_reference_barrier_strong_narrow(oopDesc* src, narrowOop* load_addr))
56   return ShenandoahBarrierSet::barrier_set()->load_reference_barrier_mutator(src, load_addr);
57 JRT_END
58 
59 JRT_LEAF(oopDesc*, ShenandoahRuntime::load_reference_barrier_weak(oopDesc* src, oop* load_addr))
60   return (oopDesc*) ShenandoahBarrierSet::barrier_set()->load_reference_barrier<oop>(ON_WEAK_OOP_REF, oop(src), load_addr);
61 JRT_END
62 
63 JRT_LEAF(oopDesc*, ShenandoahRuntime::load_reference_barrier_weak_narrow(oopDesc* src, narrowOop* load_addr))
64   return (oopDesc*) ShenandoahBarrierSet::barrier_set()->load_reference_barrier<narrowOop>(ON_WEAK_OOP_REF, oop(src), load_addr);
65 JRT_END
66 
67 JRT_LEAF(oopDesc*, ShenandoahRuntime::load_reference_barrier_phantom(oopDesc* src, oop* load_addr))
68   return (oopDesc*) ShenandoahBarrierSet::barrier_set()->load_reference_barrier<oop>(ON_PHANTOM_OOP_REF, oop(src), load_addr);
69 JRT_END
70 
71 JRT_LEAF(oopDesc*, ShenandoahRuntime::load_reference_barrier_phantom_narrow(oopDesc* src, narrowOop* load_addr))
72   return (oopDesc*) ShenandoahBarrierSet::barrier_set()->load_reference_barrier<narrowOop>(ON_PHANTOM_OOP_REF, oop(src), load_addr);
73 JRT_END
74 
75 JRT_LEAF(void, ShenandoahRuntime::clone_barrier(oopDesc* src))
76   oop s = oop(src);
77   shenandoah_assert_correct(nullptr, s);
78   ShenandoahBarrierSet::barrier_set()->clone_barrier(s);
79 JRT_END
--- EOF ---