Mercurial > hg > truffle
annotate src/share/vm/utilities/growableArray.cpp @ 3763:e66f38dd58a9
Merge
author | ysr |
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date | Wed, 08 Jun 2011 08:39:53 -0700 |
parents | f95d63e2154a |
children | f08d439fab8c |
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0 | 1 /* |
1972 | 2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
26 #include "memory/resourceArea.hpp" | |
27 #include "utilities/growableArray.hpp" | |
28 #ifdef TARGET_OS_FAMILY_linux | |
29 # include "thread_linux.inline.hpp" | |
30 #endif | |
31 #ifdef TARGET_OS_FAMILY_solaris | |
32 # include "thread_solaris.inline.hpp" | |
33 #endif | |
34 #ifdef TARGET_OS_FAMILY_windows | |
35 # include "thread_windows.inline.hpp" | |
36 #endif | |
0 | 37 #ifdef ASSERT |
38 void GenericGrowableArray::set_nesting() { | |
39 if (on_stack()) { | |
40 _nesting = Thread::current()->resource_area()->nesting(); | |
41 } | |
42 } | |
43 | |
44 void GenericGrowableArray::check_nesting() { | |
45 // Check for insidious allocation bug: if a GrowableArray overflows, the | |
46 // grown array must be allocated under the same ResourceMark as the original. | |
47 // Otherwise, the _data array will be deallocated too early. | |
48 if (on_stack() && | |
49 _nesting != Thread::current()->resource_area()->nesting()) { | |
50 fatal("allocation bug: GrowableArray could grow within nested ResourceMark"); | |
51 } | |
52 } | |
53 #endif | |
54 | |
55 void* GenericGrowableArray::raw_allocate(int elementSize) { | |
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56 assert(_max >= 0, "integer overflow"); |
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57 size_t byte_size = elementSize * (size_t) _max; |
0 | 58 if (on_stack()) { |
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59 return (void*)resource_allocate_bytes(byte_size); |
0 | 60 } else if (on_C_heap()) { |
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61 return (void*)AllocateHeap(byte_size, "GrET in " __FILE__); |
0 | 62 } else { |
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63 return _arena->Amalloc(byte_size); |
0 | 64 } |
65 } |