Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/gc_implementation/g1/g1MarkSweep.cpp
src/share/vm/gc_implementation/g1/g1MarkSweep.cpp
- changeset 9358
- 6a4a6c499e89
- parent 7659
- 38d6febe66af
- child 9448
- 73d689add964
- child 9665
- a8441ccaff15
equal
deleted
inserted
replaced
| 9357:0ef29304c2b4 | 9358:6a4a6c499e89 |
|---|---|
| 1 /* | 1 /* |
| 2 * Copyright (c) 2001, 2014, Oracle and/or its affiliates. All rights reserved. | 2 * Copyright (c) 2001, 2018, Oracle and/or its affiliates. All rights reserved. |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | 4 * |
| 5 * This code is free software; you can redistribute it and/or modify it | 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 | 6 * under the terms of the GNU General Public License version 2 only, as |
| 7 * published by the Free Software Foundation. | 7 * published by the Free Software Foundation. |
| 133 ClassLoaderDataGraph::clear_claimed_marks(); | 133 ClassLoaderDataGraph::clear_claimed_marks(); |
| 134 | 134 |
| 135 MarkingCodeBlobClosure follow_code_closure(&GenMarkSweep::follow_root_closure, !CodeBlobToOopClosure::FixRelocations); | 135 MarkingCodeBlobClosure follow_code_closure(&GenMarkSweep::follow_root_closure, !CodeBlobToOopClosure::FixRelocations); |
| 136 { | 136 { |
| 137 G1RootProcessor root_processor(g1h); | 137 G1RootProcessor root_processor(g1h); |
| 138 root_processor.process_strong_roots(&GenMarkSweep::follow_root_closure, | 138 if (ClassUnloading) { |
| 139 &GenMarkSweep::follow_cld_closure, | 139 root_processor.process_strong_roots(&GenMarkSweep::follow_root_closure, |
| 140 &follow_code_closure); | 140 &GenMarkSweep::follow_cld_closure, |
| 141 &follow_code_closure); | |
| 142 } else { | |
| 143 root_processor.process_all_roots_no_string_table( | |
| 144 &GenMarkSweep::follow_root_closure, | |
| 145 &GenMarkSweep::follow_cld_closure, | |
| 146 &follow_code_closure); | |
| 147 } | |
| 141 } | 148 } |
| 142 | 149 |
| 143 // Process reference objects found during marking | 150 // Process reference objects found during marking |
| 144 ReferenceProcessor* rp = GenMarkSweep::ref_processor(); | 151 ReferenceProcessor* rp = GenMarkSweep::ref_processor(); |
| 145 assert(rp == g1h->ref_processor_stw(), "Sanity"); | 152 assert(rp == g1h->ref_processor_stw(), "Sanity"); |
| 156 | 163 |
| 157 | 164 |
| 158 // This is the point where the entire marking should have completed. | 165 // This is the point where the entire marking should have completed. |
| 159 assert(GenMarkSweep::_marking_stack.is_empty(), "Marking should have completed"); | 166 assert(GenMarkSweep::_marking_stack.is_empty(), "Marking should have completed"); |
| 160 | 167 |
| 161 // Unload classes and purge the SystemDictionary. | 168 if (ClassUnloading) { |
| 162 bool purged_class = SystemDictionary::do_unloading(&GenMarkSweep::is_alive); | 169 |
| 163 | 170 // Unload classes and purge the SystemDictionary. |
| 164 // Unload nmethods. | 171 bool purged_class = SystemDictionary::do_unloading(&GenMarkSweep::is_alive); |
| 165 CodeCache::do_unloading(&GenMarkSweep::is_alive, purged_class); | 172 |
| 166 | 173 // Unload nmethods. |
| 167 // Prune dead klasses from subklass/sibling/implementor lists. | 174 CodeCache::do_unloading(&GenMarkSweep::is_alive, purged_class); |
| 168 Klass::clean_weak_klass_links(&GenMarkSweep::is_alive); | 175 |
| 169 | 176 // Prune dead klasses from subklass/sibling/implementor lists. |
| 177 Klass::clean_weak_klass_links(&GenMarkSweep::is_alive); | |
| 178 } | |
| 170 // Delete entries for dead interned string and clean up unreferenced symbols in symbol table. | 179 // Delete entries for dead interned string and clean up unreferenced symbols in symbol table. |
| 171 G1CollectedHeap::heap()->unlink_string_and_symbol_table(&GenMarkSweep::is_alive); | 180 G1CollectedHeap::heap()->unlink_string_and_symbol_table(&GenMarkSweep::is_alive); |
| 172 | 181 |
| 173 if (VerifyDuringGC) { | 182 if (VerifyDuringGC) { |
| 174 HandleMark hm; // handle scope | 183 HandleMark hm; // handle scope |
