Mercurial > hg > truffle
annotate src/share/vm/gc_implementation/g1/heapRegionSet.inline.hpp @ 4982:38012b8c29b1
create separate RUNTIME1_STUBS definition for non-graal build.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Mon, 27 Feb 2012 22:18:57 +0100 |
parents | fe189d4a44e9 |
children | 720b6a76dd9d |
rev | line source |
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2152 | 1 /* |
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2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. |
2152 | 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 #ifndef SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSET_INLINE_HPP | |
26 #define SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSET_INLINE_HPP | |
27 | |
28 #include "gc_implementation/g1/heapRegionSet.hpp" | |
29 | |
30 //////////////////// HeapRegionSetBase //////////////////// | |
31 | |
32 inline void HeapRegionSetBase::update_for_addition(HeapRegion* hr) { | |
33 // Assumes the caller has already verified the region. | |
34 | |
35 _length += 1; | |
36 if (!hr->isHumongous()) { | |
37 _region_num += 1; | |
38 } else { | |
39 _region_num += calculate_region_num(hr); | |
40 } | |
41 _total_used_bytes += hr->used(); | |
42 } | |
43 | |
44 inline void HeapRegionSetBase::add_internal(HeapRegion* hr) { | |
2361 | 45 hrs_assert_region_ok(this, hr, NULL); |
46 assert(hr->next() == NULL, hrs_ext_msg(this, "should not already be linked")); | |
2152 | 47 |
48 update_for_addition(hr); | |
49 hr->set_containing_set(this); | |
50 } | |
51 | |
52 inline void HeapRegionSetBase::update_for_removal(HeapRegion* hr) { | |
53 // Assumes the caller has already verified the region. | |
2361 | 54 assert(_length > 0, hrs_ext_msg(this, "pre-condition")); |
2152 | 55 _length -= 1; |
56 | |
57 size_t region_num_diff; | |
58 if (!hr->isHumongous()) { | |
59 region_num_diff = 1; | |
60 } else { | |
61 region_num_diff = calculate_region_num(hr); | |
62 } | |
63 assert(region_num_diff <= _region_num, | |
2361 | 64 hrs_err_msg("[%s] region's region num: "SIZE_FORMAT" " |
2152 | 65 "should be <= region num: "SIZE_FORMAT, |
66 name(), region_num_diff, _region_num)); | |
67 _region_num -= region_num_diff; | |
68 | |
69 size_t used_bytes = hr->used(); | |
70 assert(used_bytes <= _total_used_bytes, | |
2361 | 71 hrs_err_msg("[%s] region's used bytes: "SIZE_FORMAT" " |
2152 | 72 "should be <= used bytes: "SIZE_FORMAT, |
73 name(), used_bytes, _total_used_bytes)); | |
74 _total_used_bytes -= used_bytes; | |
75 } | |
76 | |
77 inline void HeapRegionSetBase::remove_internal(HeapRegion* hr) { | |
2361 | 78 hrs_assert_region_ok(this, hr, this); |
79 assert(hr->next() == NULL, hrs_ext_msg(this, "should already be unlinked")); | |
2152 | 80 |
81 hr->set_containing_set(NULL); | |
82 update_for_removal(hr); | |
83 } | |
84 | |
85 //////////////////// HeapRegionSet //////////////////// | |
86 | |
87 inline void HeapRegionSet::add(HeapRegion* hr) { | |
2361 | 88 hrs_assert_mt_safety_ok(this); |
2152 | 89 // add_internal() will verify the region. |
90 add_internal(hr); | |
91 } | |
92 | |
93 inline void HeapRegionSet::remove(HeapRegion* hr) { | |
2361 | 94 hrs_assert_mt_safety_ok(this); |
2152 | 95 // remove_internal() will verify the region. |
96 remove_internal(hr); | |
97 } | |
98 | |
99 inline void HeapRegionSet::remove_with_proxy(HeapRegion* hr, | |
100 HeapRegionSet* proxy_set) { | |
101 // No need to fo the MT safety check here given that this method | |
102 // does not update the contents of the set but instead accumulates | |
103 // the changes in proxy_set which is assumed to be thread-local. | |
2361 | 104 hrs_assert_sets_match(this, proxy_set); |
105 hrs_assert_region_ok(this, hr, this); | |
2152 | 106 |
107 hr->set_containing_set(NULL); | |
108 proxy_set->update_for_addition(hr); | |
109 } | |
110 | |
111 //////////////////// HeapRegionLinkedList //////////////////// | |
112 | |
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113 inline void HeapRegionLinkedList::add_as_head(HeapRegion* hr) { |
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114 hrs_assert_mt_safety_ok(this); |
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115 assert((length() == 0 && _head == NULL && _tail == NULL) || |
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116 (length() > 0 && _head != NULL && _tail != NULL), |
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117 hrs_ext_msg(this, "invariant")); |
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118 // add_internal() will verify the region. |
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119 add_internal(hr); |
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120 |
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121 // Now link the region. |
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122 if (_head != NULL) { |
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123 hr->set_next(_head); |
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124 } else { |
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125 _tail = hr; |
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126 } |
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127 _head = hr; |
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128 } |
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129 |
2152 | 130 inline void HeapRegionLinkedList::add_as_tail(HeapRegion* hr) { |
2361 | 131 hrs_assert_mt_safety_ok(this); |
2152 | 132 assert((length() == 0 && _head == NULL && _tail == NULL) || |
133 (length() > 0 && _head != NULL && _tail != NULL), | |
2361 | 134 hrs_ext_msg(this, "invariant")); |
2152 | 135 // add_internal() will verify the region. |
136 add_internal(hr); | |
137 | |
138 // Now link the region. | |
139 if (_tail != NULL) { | |
140 _tail->set_next(hr); | |
141 } else { | |
142 _head = hr; | |
143 } | |
144 _tail = hr; | |
145 } | |
146 | |
147 inline HeapRegion* HeapRegionLinkedList::remove_head() { | |
2361 | 148 hrs_assert_mt_safety_ok(this); |
149 assert(!is_empty(), hrs_ext_msg(this, "the list should not be empty")); | |
2152 | 150 assert(length() > 0 && _head != NULL && _tail != NULL, |
2361 | 151 hrs_ext_msg(this, "invariant")); |
2152 | 152 |
153 // We need to unlink it first. | |
154 HeapRegion* hr = _head; | |
155 _head = hr->next(); | |
156 if (_head == NULL) { | |
157 _tail = NULL; | |
158 } | |
159 hr->set_next(NULL); | |
160 | |
161 // remove_internal() will verify the region. | |
162 remove_internal(hr); | |
163 return hr; | |
164 } | |
165 | |
166 inline HeapRegion* HeapRegionLinkedList::remove_head_or_null() { | |
2361 | 167 hrs_assert_mt_safety_ok(this); |
2152 | 168 |
169 if (!is_empty()) { | |
170 return remove_head(); | |
171 } else { | |
172 return NULL; | |
173 } | |
174 } | |
175 | |
176 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSET_INLINE_HPP |