Mercurial > jdk8-mips64-public > hotspot / annotate
src/share/vm/utilities/growableArray.cpp@a5d6f0c3585f (annotated)
src/share/vm/utilities/growableArray.cpp
Sat, 18 May 2013 20:41:01 -0700
- author
- iklam
- date
- Sat, 18 May 2013 20:41:01 -0700
- changeset 5144
- a5d6f0c3585f
- parent 4299
- f34d701e952e
- child 6876
- 710a3c8b516e
- permissions
- -rw-r--r--
8014262: PrintStringTableStatistics should include more footprint info
Summary: Added info for the string/symbol objects and the hash entries
Reviewed-by: coleenp, rbackman
| duke@435 | 1 | /* |
| mikael@4153 | 2 | * Copyright (c) 1997, 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 | #include "precompiled.hpp" |
| stefank@2314 | 26 | #include "memory/resourceArea.hpp" |
| stefank@4299 | 27 | #include "runtime/thread.inline.hpp" |
| stefank@2314 | 28 | #include "utilities/growableArray.hpp" |
| stefank@4299 | 29 | |
| duke@435 | 30 | #ifdef ASSERT |
| duke@435 | 31 | void GenericGrowableArray::set_nesting() { |
| duke@435 | 32 | if (on_stack()) { |
| duke@435 | 33 | _nesting = Thread::current()->resource_area()->nesting(); |
| duke@435 | 34 | } |
| duke@435 | 35 | } |
| duke@435 | 36 | |
| duke@435 | 37 | void GenericGrowableArray::check_nesting() { |
| duke@435 | 38 | // Check for insidious allocation bug: if a GrowableArray overflows, the |
| duke@435 | 39 | // grown array must be allocated under the same ResourceMark as the original. |
| duke@435 | 40 | // Otherwise, the _data array will be deallocated too early. |
| duke@435 | 41 | if (on_stack() && |
| duke@435 | 42 | _nesting != Thread::current()->resource_area()->nesting()) { |
| duke@435 | 43 | fatal("allocation bug: GrowableArray could grow within nested ResourceMark"); |
| duke@435 | 44 | } |
| duke@435 | 45 | } |
| duke@435 | 46 | #endif |
| duke@435 | 47 | |
| duke@435 | 48 | void* GenericGrowableArray::raw_allocate(int elementSize) { |
| jmasa@1031 | 49 | assert(_max >= 0, "integer overflow"); |
| jmasa@1031 | 50 | size_t byte_size = elementSize * (size_t) _max; |
| duke@435 | 51 | if (on_stack()) { |
| jmasa@1031 | 52 | return (void*)resource_allocate_bytes(byte_size); |
| duke@435 | 53 | } else if (on_C_heap()) { |
| zgu@3900 | 54 | return (void*)AllocateHeap(byte_size, _memflags); |
| duke@435 | 55 | } else { |
| jmasa@1031 | 56 | return _arena->Amalloc(byte_size); |
| duke@435 | 57 | } |
| duke@435 | 58 | } |
