1 /*
2 * Copyright (c) 2015, 2017, Oracle and/or its affiliates. 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 *
81
82 void process_java_roots(G1RootClosures* closures,
83 G1GCPhaseTimes* phase_times,
84 uint worker_i);
85
86 void process_vm_roots(G1RootClosures* closures,
87 G1GCPhaseTimes* phase_times,
88 uint worker_i);
89
90 void process_string_table_roots(G1RootClosures* closures,
91 G1GCPhaseTimes* phase_times,
92 uint worker_i);
93
94 void process_code_cache_roots(CodeBlobClosure* code_closure,
95 G1GCPhaseTimes* phase_times,
96 uint worker_i);
97
98 public:
99 G1RootProcessor(G1CollectedHeap* g1h, uint n_workers);
100
101 // Apply closures to the strongly and weakly reachable roots in the system
102 // in a single pass.
103 // Record and report timing measurements for sub phases using the worker_i
104 void evacuate_roots(G1ParScanThreadState* pss, G1EvacuationRootClosures* closures, uint worker_i);
105
106 // Apply oops, clds and blobs to all strongly reachable roots in the system
107 void process_strong_roots(OopClosure* oops,
108 CLDClosure* clds,
109 CodeBlobClosure* blobs);
110
111 // Apply oops, clds and blobs to strongly and weakly reachable roots in the system
112 void process_all_roots(OopClosure* oops,
113 CLDClosure* clds,
114 CodeBlobClosure* blobs);
115
116 // Apply oops, clds and blobs to strongly and weakly reachable roots in the system,
117 // the only thing different from process_all_roots is that we skip the string table
118 // to avoid keeping every string live when doing class unloading.
119 void process_all_roots_no_string_table(OopClosure* oops,
120 CLDClosure* clds,
121 CodeBlobClosure* blobs);
122
123 // Apply closure to weak roots in the system. Used during the adjust phase
124 // for the Full GC.
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1 /*
2 * Copyright (c) 2015, 2018, Oracle and/or its affiliates. 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 *
81
82 void process_java_roots(G1RootClosures* closures,
83 G1GCPhaseTimes* phase_times,
84 uint worker_i);
85
86 void process_vm_roots(G1RootClosures* closures,
87 G1GCPhaseTimes* phase_times,
88 uint worker_i);
89
90 void process_string_table_roots(G1RootClosures* closures,
91 G1GCPhaseTimes* phase_times,
92 uint worker_i);
93
94 void process_code_cache_roots(CodeBlobClosure* code_closure,
95 G1GCPhaseTimes* phase_times,
96 uint worker_i);
97
98 public:
99 G1RootProcessor(G1CollectedHeap* g1h, uint n_workers);
100
101 // Apply correct closures from pss to the strongly and weakly reachable roots in the system
102 // in a single pass.
103 // Record and report timing measurements for sub phases using the worker_i
104 void evacuate_roots(G1ParScanThreadState* pss, uint worker_id);
105
106 // Apply oops, clds and blobs to all strongly reachable roots in the system
107 void process_strong_roots(OopClosure* oops,
108 CLDClosure* clds,
109 CodeBlobClosure* blobs);
110
111 // Apply oops, clds and blobs to strongly and weakly reachable roots in the system
112 void process_all_roots(OopClosure* oops,
113 CLDClosure* clds,
114 CodeBlobClosure* blobs);
115
116 // Apply oops, clds and blobs to strongly and weakly reachable roots in the system,
117 // the only thing different from process_all_roots is that we skip the string table
118 // to avoid keeping every string live when doing class unloading.
119 void process_all_roots_no_string_table(OopClosure* oops,
120 CLDClosure* clds,
121 CodeBlobClosure* blobs);
122
123 // Apply closure to weak roots in the system. Used during the adjust phase
124 // for the Full GC.
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