author | pliden |
Mon, 18 Mar 2019 11:50:40 +0100 | |
changeset 54167 | d0d26fc836dd |
parent 51588 | f36e08f052b1 |
child 55555 | 9a5e9537fe1a |
permissions | -rw-r--r-- |
50525
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
1 |
/* |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
2 |
* Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved. |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
4 |
* |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
5 |
* This code is free software; you can redistribute it and/or modify it |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
6 |
* under the terms of the GNU General Public License version 2 only, as |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
7 |
* published by the Free Software Foundation. |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
8 |
* |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
9 |
* This code is distributed in the hope that it will be useful, but WITHOUT |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
10 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
11 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
12 |
* version 2 for more details (a copy is included in the LICENSE file that |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
13 |
* accompanied this code). |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
14 |
* |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
15 |
* You should have received a copy of the GNU General Public License version |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
16 |
* 2 along with this work; if not, write to the Free Software Foundation, |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
17 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
18 |
* |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
19 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
20 |
* or visit www.oracle.com if you need additional information or have any |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
21 |
* questions. |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
22 |
*/ |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
23 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
24 |
#ifndef SHARE_GC_Z_ZBARRIERSET_INLINE_HPP |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
25 |
#define SHARE_GC_Z_ZBARRIERSET_INLINE_HPP |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
26 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
27 |
#include "gc/shared/accessBarrierSupport.inline.hpp" |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
28 |
#include "gc/z/zBarrier.inline.hpp" |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
29 |
#include "gc/z/zBarrierSet.hpp" |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
30 |
#include "utilities/debug.hpp" |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
31 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
32 |
template <DecoratorSet decorators, typename BarrierSetT> |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
33 |
template <DecoratorSet expected> |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
34 |
inline void ZBarrierSet::AccessBarrier<decorators, BarrierSetT>::verify_decorators_present() { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
35 |
if ((decorators & expected) == 0) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
36 |
fatal("Using unsupported access decorators"); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
37 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
38 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
39 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
40 |
template <DecoratorSet decorators, typename BarrierSetT> |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
41 |
template <DecoratorSet expected> |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
42 |
inline void ZBarrierSet::AccessBarrier<decorators, BarrierSetT>::verify_decorators_absent() { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
43 |
if ((decorators & expected) != 0) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
44 |
fatal("Using unsupported access decorators"); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
45 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
46 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
47 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
48 |
template <DecoratorSet decorators, typename BarrierSetT> |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
49 |
inline oop* ZBarrierSet::AccessBarrier<decorators, BarrierSetT>::field_addr(oop base, ptrdiff_t offset) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
50 |
assert(base != NULL, "Invalid base"); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
51 |
return reinterpret_cast<oop*>(reinterpret_cast<intptr_t>((void*)base) + offset); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
52 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
53 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
54 |
template <DecoratorSet decorators, typename BarrierSetT> |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
55 |
template <typename T> |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
56 |
inline oop ZBarrierSet::AccessBarrier<decorators, BarrierSetT>::load_barrier_on_oop_field_preloaded(T* addr, oop o) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
57 |
verify_decorators_absent<ON_UNKNOWN_OOP_REF>(); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
58 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
59 |
if (HasDecorator<decorators, AS_NO_KEEPALIVE>::value) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
60 |
if (HasDecorator<decorators, ON_STRONG_OOP_REF>::value) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
61 |
return ZBarrier::weak_load_barrier_on_oop_field_preloaded(addr, o); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
62 |
} else if (HasDecorator<decorators, ON_WEAK_OOP_REF>::value) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
63 |
return ZBarrier::weak_load_barrier_on_weak_oop_field_preloaded(addr, o); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
64 |
} else { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
65 |
return ZBarrier::weak_load_barrier_on_phantom_oop_field_preloaded(addr, o); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
66 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
67 |
} else { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
68 |
if (HasDecorator<decorators, ON_STRONG_OOP_REF>::value) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
69 |
return ZBarrier::load_barrier_on_oop_field_preloaded(addr, o); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
70 |
} else if (HasDecorator<decorators, ON_WEAK_OOP_REF>::value) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
71 |
return ZBarrier::load_barrier_on_weak_oop_field_preloaded(addr, o); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
72 |
} else { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
73 |
return ZBarrier::load_barrier_on_phantom_oop_field_preloaded(addr, o); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
74 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
75 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
76 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
77 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
78 |
template <DecoratorSet decorators, typename BarrierSetT> |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
79 |
template <typename T> |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
80 |
inline oop ZBarrierSet::AccessBarrier<decorators, BarrierSetT>::load_barrier_on_unknown_oop_field_preloaded(oop base, ptrdiff_t offset, T* addr, oop o) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
81 |
verify_decorators_present<ON_UNKNOWN_OOP_REF>(); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
82 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
83 |
const DecoratorSet decorators_known_strength = |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
84 |
AccessBarrierSupport::resolve_possibly_unknown_oop_ref_strength<decorators>(base, offset); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
85 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
86 |
if (HasDecorator<decorators, AS_NO_KEEPALIVE>::value) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
87 |
if (decorators_known_strength & ON_STRONG_OOP_REF) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
88 |
return ZBarrier::weak_load_barrier_on_oop_field_preloaded(addr, o); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
89 |
} else if (decorators_known_strength & ON_WEAK_OOP_REF) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
90 |
return ZBarrier::weak_load_barrier_on_weak_oop_field_preloaded(addr, o); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
91 |
} else { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
92 |
return ZBarrier::weak_load_barrier_on_phantom_oop_field_preloaded(addr, o); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
93 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
94 |
} else { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
95 |
if (decorators_known_strength & ON_STRONG_OOP_REF) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
96 |
return ZBarrier::load_barrier_on_oop_field_preloaded(addr, o); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
97 |
} else if (decorators_known_strength & ON_WEAK_OOP_REF) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
98 |
return ZBarrier::load_barrier_on_weak_oop_field_preloaded(addr, o); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
99 |
} else { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
100 |
return ZBarrier::load_barrier_on_phantom_oop_field_preloaded(addr, o); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
101 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
102 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
103 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
104 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
105 |
// |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
106 |
// In heap |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
107 |
// |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
108 |
template <DecoratorSet decorators, typename BarrierSetT> |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
109 |
template <typename T> |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
110 |
inline oop ZBarrierSet::AccessBarrier<decorators, BarrierSetT>::oop_load_in_heap(T* addr) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
111 |
verify_decorators_absent<ON_UNKNOWN_OOP_REF>(); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
112 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
113 |
const oop o = Raw::oop_load_in_heap(addr); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
114 |
return load_barrier_on_oop_field_preloaded(addr, o); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
115 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
116 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
117 |
template <DecoratorSet decorators, typename BarrierSetT> |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
118 |
inline oop ZBarrierSet::AccessBarrier<decorators, BarrierSetT>::oop_load_in_heap_at(oop base, ptrdiff_t offset) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
119 |
oop* const addr = field_addr(base, offset); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
120 |
const oop o = Raw::oop_load_in_heap(addr); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
121 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
122 |
if (HasDecorator<decorators, ON_UNKNOWN_OOP_REF>::value) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
123 |
return load_barrier_on_unknown_oop_field_preloaded(base, offset, addr, o); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
124 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
125 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
126 |
return load_barrier_on_oop_field_preloaded(addr, o); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
127 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
128 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
129 |
template <DecoratorSet decorators, typename BarrierSetT> |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
130 |
template <typename T> |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
131 |
inline oop ZBarrierSet::AccessBarrier<decorators, BarrierSetT>::oop_atomic_cmpxchg_in_heap(oop new_value, T* addr, oop compare_value) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
132 |
verify_decorators_present<ON_STRONG_OOP_REF>(); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
133 |
verify_decorators_absent<AS_NO_KEEPALIVE>(); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
134 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
135 |
ZBarrier::load_barrier_on_oop_field(addr); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
136 |
return Raw::oop_atomic_cmpxchg_in_heap(new_value, addr, compare_value); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
137 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
138 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
139 |
template <DecoratorSet decorators, typename BarrierSetT> |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
140 |
inline oop ZBarrierSet::AccessBarrier<decorators, BarrierSetT>::oop_atomic_cmpxchg_in_heap_at(oop new_value, oop base, ptrdiff_t offset, oop compare_value) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
141 |
verify_decorators_present<ON_STRONG_OOP_REF | ON_UNKNOWN_OOP_REF>(); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
142 |
verify_decorators_absent<AS_NO_KEEPALIVE>(); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
143 |
|
50875
2217b2fc29ea
8205993: ZGC: Fix typos and incorrect indentations
pliden
parents:
50525
diff
changeset
|
144 |
// Through Unsafe.CompareAndExchangeObject()/CompareAndSetObject() we can receive |
50525
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
145 |
// calls with ON_UNKNOWN_OOP_REF set. However, we treat these as ON_STRONG_OOP_REF, |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
146 |
// with the motivation that if you're doing Unsafe operations on a Reference.referent |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
147 |
// field, then you're on your own anyway. |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
148 |
ZBarrier::load_barrier_on_oop_field(field_addr(base, offset)); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
149 |
return Raw::oop_atomic_cmpxchg_in_heap_at(new_value, base, offset, compare_value); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
150 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
151 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
152 |
template <DecoratorSet decorators, typename BarrierSetT> |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
153 |
template <typename T> |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
154 |
inline oop ZBarrierSet::AccessBarrier<decorators, BarrierSetT>::oop_atomic_xchg_in_heap(oop new_value, T* addr) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
155 |
verify_decorators_present<ON_STRONG_OOP_REF>(); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
156 |
verify_decorators_absent<AS_NO_KEEPALIVE>(); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
157 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
158 |
const oop o = Raw::oop_atomic_xchg_in_heap(new_value, addr); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
159 |
return ZBarrier::load_barrier_on_oop(o); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
160 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
161 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
162 |
template <DecoratorSet decorators, typename BarrierSetT> |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
163 |
inline oop ZBarrierSet::AccessBarrier<decorators, BarrierSetT>::oop_atomic_xchg_in_heap_at(oop new_value, oop base, ptrdiff_t offset) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
164 |
verify_decorators_present<ON_STRONG_OOP_REF>(); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
165 |
verify_decorators_absent<AS_NO_KEEPALIVE>(); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
166 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
167 |
const oop o = Raw::oop_atomic_xchg_in_heap_at(new_value, base, offset); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
168 |
return ZBarrier::load_barrier_on_oop(o); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
169 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
170 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
171 |
template <DecoratorSet decorators, typename BarrierSetT> |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
172 |
template <typename T> |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
173 |
inline bool ZBarrierSet::AccessBarrier<decorators, BarrierSetT>::oop_arraycopy_in_heap(arrayOop src_obj, size_t src_offset_in_bytes, T* src_raw, |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
174 |
arrayOop dst_obj, size_t dst_offset_in_bytes, T* dst_raw, |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
175 |
size_t length) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
176 |
T* src = arrayOopDesc::obj_offset_to_raw(src_obj, src_offset_in_bytes, src_raw); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
177 |
T* dst = arrayOopDesc::obj_offset_to_raw(dst_obj, dst_offset_in_bytes, dst_raw); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
178 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
179 |
if (!HasDecorator<decorators, ARRAYCOPY_CHECKCAST>::value) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
180 |
// No check cast, bulk barrier and bulk copy |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
181 |
ZBarrier::load_barrier_on_oop_array(src, length); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
182 |
return Raw::oop_arraycopy_in_heap(NULL, 0, src, NULL, 0, dst, length); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
183 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
184 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
185 |
// Check cast and copy each elements |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
186 |
Klass* const dst_klass = objArrayOop(dst_obj)->element_klass(); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
187 |
for (const T* const end = src + length; src < end; src++, dst++) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
188 |
const oop elem = ZBarrier::load_barrier_on_oop_field(src); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
189 |
if (!oopDesc::is_instanceof_or_null(elem, dst_klass)) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
190 |
// Check cast failed |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
191 |
return false; |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
192 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
193 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
194 |
// Cast is safe, since we know it's never a narrowOop |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
195 |
*(oop*)dst = elem; |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
196 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
197 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
198 |
return true; |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
199 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
200 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
201 |
template <DecoratorSet decorators, typename BarrierSetT> |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
202 |
inline void ZBarrierSet::AccessBarrier<decorators, BarrierSetT>::clone_in_heap(oop src, oop dst, size_t size) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
203 |
ZBarrier::load_barrier_on_oop_fields(src); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
204 |
Raw::clone_in_heap(src, dst, size); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
205 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
206 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
207 |
// |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
208 |
// Not in heap |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
209 |
// |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
210 |
template <DecoratorSet decorators, typename BarrierSetT> |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
211 |
template <typename T> |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
212 |
inline oop ZBarrierSet::AccessBarrier<decorators, BarrierSetT>::oop_load_not_in_heap(T* addr) { |
51588
f36e08f052b1
8210063: ZGC: Enable load barriers for IN_NATIVE runtime barriers
eosterlund
parents:
50875
diff
changeset
|
213 |
verify_decorators_absent<ON_UNKNOWN_OOP_REF>(); |
50525
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
214 |
|
51588
f36e08f052b1
8210063: ZGC: Enable load barriers for IN_NATIVE runtime barriers
eosterlund
parents:
50875
diff
changeset
|
215 |
const oop o = Raw::oop_load_not_in_heap(addr); |
f36e08f052b1
8210063: ZGC: Enable load barriers for IN_NATIVE runtime barriers
eosterlund
parents:
50875
diff
changeset
|
216 |
return load_barrier_on_oop_field_preloaded(addr, o); |
50525
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
217 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
218 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
219 |
template <DecoratorSet decorators, typename BarrierSetT> |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
220 |
template <typename T> |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
221 |
inline oop ZBarrierSet::AccessBarrier<decorators, BarrierSetT>::oop_atomic_cmpxchg_not_in_heap(oop new_value, T* addr, oop compare_value) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
222 |
verify_decorators_present<ON_STRONG_OOP_REF>(); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
223 |
verify_decorators_absent<AS_NO_KEEPALIVE>(); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
224 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
225 |
return Raw::oop_atomic_cmpxchg_not_in_heap(new_value, addr, compare_value); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
226 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
227 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
228 |
template <DecoratorSet decorators, typename BarrierSetT> |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
229 |
template <typename T> |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
230 |
inline oop ZBarrierSet::AccessBarrier<decorators, BarrierSetT>::oop_atomic_xchg_not_in_heap(oop new_value, T* addr) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
231 |
verify_decorators_present<ON_STRONG_OOP_REF>(); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
232 |
verify_decorators_absent<AS_NO_KEEPALIVE>(); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
233 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
234 |
return Raw::oop_atomic_xchg_not_in_heap(new_value, addr); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
235 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
236 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
237 |
#endif // SHARE_GC_Z_ZBARRIERSET_INLINE_HPP |