/*
* Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/
#include "precompiled.hpp"
#include "memory/resourceArea.hpp"
#include "utilities/growableArray.hpp"
#ifdef TARGET_OS_FAMILY_linux
# include "thread_linux.inline.hpp"
#endif
#ifdef TARGET_OS_FAMILY_solaris
# include "thread_solaris.inline.hpp"
#endif
#ifdef TARGET_OS_FAMILY_windows
# include "thread_windows.inline.hpp"
#endif
#ifdef TARGET_OS_FAMILY_bsd
# include "thread_bsd.inline.hpp"
#endif
#ifdef ASSERT
void GenericGrowableArray::set_nesting() {
if (on_stack()) {
_nesting = Thread::current()->resource_area()->nesting();
}
}
void GenericGrowableArray::check_nesting() {
// Check for insidious allocation bug: if a GrowableArray overflows, the
// grown array must be allocated under the same ResourceMark as the original.
// Otherwise, the _data array will be deallocated too early.
if (on_stack() &&
_nesting != Thread::current()->resource_area()->nesting()) {
fatal("allocation bug: GrowableArray could grow within nested ResourceMark");
}
}
#endif
void* GenericGrowableArray::raw_allocate(int elementSize) {
assert(_max >= 0, "integer overflow");
size_t byte_size = elementSize * (size_t) _max;
if (on_stack()) {
return (void*)resource_allocate_bytes(byte_size);
} else if (on_C_heap()) {
return (void*)AllocateHeap(byte_size, _memflags);
} else {
return _arena->Amalloc(byte_size);
}
}