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src/share/vm/gc_implementation/parallelScavenge/parallelScavengeHeap.inline.hpp@da91efe96a93 (annotated)
src/share/vm/gc_implementation/parallelScavenge/parallelScavengeHeap.inline.hpp
Sat, 01 Sep 2012 13:25:18 -0400
- author
- coleenp
- date
- Sat, 01 Sep 2012 13:25:18 -0400
- changeset 4037
- da91efe96a93
- parent 3541
- 23c0eb012d6f
- child 6680
- 78bbf4d43a14
- permissions
- -rw-r--r--
6964458: Reimplement class meta-data storage to use native memory
Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
| duke@435 | 1 | /* |
| jcoomes@3541 | 2 | * Copyright (c) 2006, 2012, Oracle and/or its affiliates. All rights reserved. |
| duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| duke@435 | 4 | * |
| duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
| duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| duke@435 | 7 | * published by the Free Software Foundation. |
| duke@435 | 8 | * |
| duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| duke@435 | 13 | * accompanied this code). |
| duke@435 | 14 | * |
| duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
| duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| duke@435 | 18 | * |
| trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
| trims@1907 | 21 | * questions. |
| duke@435 | 22 | * |
| duke@435 | 23 | */ |
| duke@435 | 24 | |
| stefank@2314 | 25 | #ifndef SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PARALLELSCAVENGEHEAP_INLINE_HPP |
| stefank@2314 | 26 | #define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PARALLELSCAVENGEHEAP_INLINE_HPP |
| stefank@2314 | 27 | |
| stefank@2314 | 28 | #include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp" |
| stefank@2314 | 29 | #include "gc_implementation/parallelScavenge/psMarkSweep.hpp" |
| stefank@2314 | 30 | #include "gc_implementation/parallelScavenge/psParallelCompact.hpp" |
| stefank@2314 | 31 | #include "gc_implementation/parallelScavenge/psScavenge.hpp" |
| stefank@2314 | 32 | |
| duke@435 | 33 | inline size_t ParallelScavengeHeap::total_invocations() |
| duke@435 | 34 | { |
| duke@435 | 35 | return UseParallelOldGC ? PSParallelCompact::total_invocations() : |
| duke@435 | 36 | PSMarkSweep::total_invocations(); |
| duke@435 | 37 | } |
| duke@435 | 38 | |
| jcoomes@3541 | 39 | inline bool ParallelScavengeHeap::should_alloc_in_eden(const size_t size) const |
| jcoomes@3541 | 40 | { |
| jcoomes@3541 | 41 | const size_t eden_size = young_gen()->eden_space()->capacity_in_words(); |
| jcoomes@3541 | 42 | return size < eden_size / 2; |
| jcoomes@3541 | 43 | } |
| jcoomes@3541 | 44 | |
| duke@435 | 45 | inline void ParallelScavengeHeap::invoke_scavenge() |
| duke@435 | 46 | { |
| duke@435 | 47 | PSScavenge::invoke(); |
| duke@435 | 48 | } |
| duke@435 | 49 | |
| ysr@1462 | 50 | inline bool ParallelScavengeHeap::is_in_young(oop p) { |
| jmasa@2909 | 51 | // Assumes the the old gen address range is lower than that of the young gen. |
| jmasa@2909 | 52 | const void* loc = (void*) p; |
| jmasa@2909 | 53 | bool result = ((HeapWord*)p) >= young_gen()->reserved().start(); |
| jmasa@2909 | 54 | assert(result == young_gen()->is_in_reserved(p), |
| jmasa@2909 | 55 | err_msg("incorrect test - result=%d, p=" PTR_FORMAT, result, (void*)p)); |
| jmasa@2909 | 56 | return result; |
| ysr@1462 | 57 | } |
| stefank@2314 | 58 | #endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PARALLELSCAVENGEHEAP_INLINE_HPP |
