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/shenandoahRuntime.hpp"
27 #include "gc/shenandoah/shenandoahThreadLocalData.hpp"
28 #include "oops/oop.inline.hpp"
29 #include "runtime/interfaceSupport.inline.hpp"
30 #include "utilities/copy.hpp"
31
32 JRT_LEAF(void, ShenandoahRuntime::arraycopy_barrier_oop(oop* src, oop* dst, size_t length))
33 ShenandoahBarrierSet::barrier_set()->arraycopy_barrier(src, dst, length);
34 JRT_END
35
36 JRT_LEAF(void, ShenandoahRuntime::arraycopy_barrier_narrow_oop(narrowOop* src, narrowOop* dst, size_t length))
37 ShenandoahBarrierSet::barrier_set()->arraycopy_barrier(src, dst, length);
38 JRT_END
39
40 JRT_LEAF(void, ShenandoahRuntime::write_barrier_pre(oopDesc* obj))
41 ShenandoahBarrierSet::barrier_set()->enqueue(obj, /* filter = */ false);
42 JRT_END
43
44 JRT_LEAF(void, ShenandoahRuntime::write_barrier_pre_narrow(narrowOop nobj))
45 oop obj = CompressedOops::decode(nobj);
46 ShenandoahBarrierSet::barrier_set()->enqueue(obj, /* filter = */ false);
47 JRT_END
48
49 JRT_LEAF(oopDesc*, ShenandoahRuntime::load_reference_barrier_strong(oopDesc* src, oop* load_addr))
50 return ShenandoahBarrierSet::barrier_set()->load_reference_barrier_mutator<ON_STRONG_OOP_REF, oop>(src, load_addr);
51 JRT_END
52
53 JRT_LEAF(oopDesc*, ShenandoahRuntime::load_reference_barrier_strong_narrow(oopDesc* src, narrowOop* load_addr))
54 return ShenandoahBarrierSet::barrier_set()->load_reference_barrier_mutator<ON_STRONG_OOP_REF, narrowOop>(src, load_addr);
55 JRT_END
56
57 JRT_LEAF(narrowOop, ShenandoahRuntime::load_reference_barrier_strong_narrow_narrow(narrowOop src, narrowOop* load_addr))
58 oop s = CompressedOops::decode(src);
59 oop r = ShenandoahBarrierSet::barrier_set()->load_reference_barrier_mutator<ON_STRONG_OOP_REF, narrowOop>(s, load_addr);
60 return CompressedOops::encode(r);
61 JRT_END
62
63 JRT_LEAF(oopDesc*, ShenandoahRuntime::load_reference_barrier_weak(oopDesc* src, oop* load_addr))
64 return ShenandoahBarrierSet::barrier_set()->load_reference_barrier_mutator<ON_WEAK_OOP_REF, oop>(src, load_addr);
65 JRT_END
66
67 JRT_LEAF(oopDesc*, ShenandoahRuntime::load_reference_barrier_weak_narrow(oopDesc* src, narrowOop* load_addr))
68 return ShenandoahBarrierSet::barrier_set()->load_reference_barrier_mutator<ON_WEAK_OOP_REF, narrowOop>(src, load_addr);
69 JRT_END
70
71 JRT_LEAF(narrowOop, ShenandoahRuntime::load_reference_barrier_weak_narrow_narrow(narrowOop src, narrowOop* load_addr))
72 oop s = CompressedOops::decode(src);
73 oop r = ShenandoahBarrierSet::barrier_set()->load_reference_barrier_mutator<ON_WEAK_OOP_REF, narrowOop>(s, load_addr);
74 return CompressedOops::encode(r);
75 JRT_END
76
77 JRT_LEAF(oopDesc*, ShenandoahRuntime::load_reference_barrier_phantom(oopDesc* src, oop* load_addr))
78 return ShenandoahBarrierSet::barrier_set()->load_reference_barrier_mutator<ON_PHANTOM_OOP_REF, oop>(src, load_addr);
79 JRT_END
80
81 JRT_LEAF(oopDesc*, ShenandoahRuntime::load_reference_barrier_phantom_narrow(oopDesc* src, narrowOop* load_addr))
82 return ShenandoahBarrierSet::barrier_set()->load_reference_barrier_mutator<ON_PHANTOM_OOP_REF, narrowOop>(src, load_addr);
83 JRT_END
84
85 JRT_LEAF(narrowOop, ShenandoahRuntime::load_reference_barrier_phantom_narrow_narrow(narrowOop src, narrowOop* load_addr))
86 oop s = CompressedOops::decode(src);
87 oop r = ShenandoahBarrierSet::barrier_set()->load_reference_barrier_mutator<ON_PHANTOM_OOP_REF, narrowOop>(s, load_addr);
88 return CompressedOops::encode(r);
89 JRT_END
90
91 JRT_LEAF(void, ShenandoahRuntime::clone(oopDesc* src, oopDesc* dst, size_t size))
92 HeapAccess<>::clone(src, dst, size);
93 JRT_END