95c56a472b
Co-authored-by: Greg Lewis <glewis@eyesbeyond.com> Co-authored-by: Jung-uk Kim <jkim@freebsd.org> Co-authored-by: Christos Zoulas <christos@zoulas.com> Co-authored-by: Landon Fuller <landonf@plausible.coop> Co-authored-by: The FreeBSD Foundation <board@freebsdfoundation.org> Co-authored-by: Michael Franz <mvfranz@gmail.com> Co-authored-by: Roger Hoover <rhoover@apple.com> Co-authored-by: Alexander Strange <astrange@apple.com> Reviewed-by: kvn, twisti, jrose
69 lines
2.4 KiB
C++
69 lines
2.4 KiB
C++
/*
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* Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#include "precompiled.hpp"
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#include "memory/resourceArea.hpp"
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#include "utilities/growableArray.hpp"
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#ifdef TARGET_OS_FAMILY_linux
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# include "thread_linux.inline.hpp"
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#endif
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#ifdef TARGET_OS_FAMILY_solaris
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# include "thread_solaris.inline.hpp"
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#endif
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#ifdef TARGET_OS_FAMILY_windows
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# include "thread_windows.inline.hpp"
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#endif
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#ifdef TARGET_OS_FAMILY_bsd
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# include "thread_bsd.inline.hpp"
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#endif
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#ifdef ASSERT
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void GenericGrowableArray::set_nesting() {
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if (on_stack()) {
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_nesting = Thread::current()->resource_area()->nesting();
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}
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}
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void GenericGrowableArray::check_nesting() {
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// Check for insidious allocation bug: if a GrowableArray overflows, the
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// grown array must be allocated under the same ResourceMark as the original.
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// Otherwise, the _data array will be deallocated too early.
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if (on_stack() &&
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_nesting != Thread::current()->resource_area()->nesting()) {
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fatal("allocation bug: GrowableArray could grow within nested ResourceMark");
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}
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}
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#endif
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void* GenericGrowableArray::raw_allocate(int elementSize) {
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assert(_max >= 0, "integer overflow");
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size_t byte_size = elementSize * (size_t) _max;
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if (on_stack()) {
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return (void*)resource_allocate_bytes(byte_size);
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} else if (on_C_heap()) {
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return (void*)AllocateHeap(byte_size, "GrET in " __FILE__);
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} else {
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return _arena->Amalloc(byte_size);
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}
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}
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