|
1
|
1 |
/*
|
|
|
2 |
* Copyright 1997-2005 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
|
|
|
20 |
* CA 95054 USA or visit www.sun.com if you need additional information or
|
|
|
21 |
* have any questions.
|
|
|
22 |
*
|
|
|
23 |
*/
|
|
|
24 |
# include "incls/_precompiled.incl"
|
|
|
25 |
# include "incls/_growableArray.cpp.incl"
|
|
|
26 |
|
|
|
27 |
#ifdef ASSERT
|
|
|
28 |
void GenericGrowableArray::set_nesting() {
|
|
|
29 |
if (on_stack()) {
|
|
|
30 |
_nesting = Thread::current()->resource_area()->nesting();
|
|
|
31 |
}
|
|
|
32 |
}
|
|
|
33 |
|
|
|
34 |
void GenericGrowableArray::check_nesting() {
|
|
|
35 |
// Check for insidious allocation bug: if a GrowableArray overflows, the
|
|
|
36 |
// grown array must be allocated under the same ResourceMark as the original.
|
|
|
37 |
// Otherwise, the _data array will be deallocated too early.
|
|
|
38 |
if (on_stack() &&
|
|
|
39 |
_nesting != Thread::current()->resource_area()->nesting()) {
|
|
|
40 |
fatal("allocation bug: GrowableArray could grow within nested ResourceMark");
|
|
|
41 |
}
|
|
|
42 |
}
|
|
|
43 |
#endif
|
|
|
44 |
|
|
|
45 |
void* GenericGrowableArray::raw_allocate(int elementSize) {
|
|
|
46 |
if (on_stack()) {
|
|
|
47 |
return (void*)resource_allocate_bytes(elementSize * _max);
|
|
|
48 |
} else if (on_C_heap()) {
|
|
|
49 |
return (void*)AllocateHeap(elementSize * _max, "GrET in " __FILE__);
|
|
|
50 |
} else {
|
|
|
51 |
return _arena->Amalloc(elementSize * _max);
|
|
|
52 |
}
|
|
|
53 |
}
|