diff options
Diffstat (limited to 'src/qml/jsruntime/qv4executableallocator.cpp')
-rw-r--r-- | src/qml/jsruntime/qv4executableallocator.cpp | 66 |
1 files changed, 22 insertions, 44 deletions
diff --git a/src/qml/jsruntime/qv4executableallocator.cpp b/src/qml/jsruntime/qv4executableallocator.cpp index 6f04a712e6..71d8061d65 100644 --- a/src/qml/jsruntime/qv4executableallocator.cpp +++ b/src/qml/jsruntime/qv4executableallocator.cpp @@ -1,54 +1,34 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtQml module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only #include "qv4executableallocator_p.h" +#include <QtQml/private/qv4functiontable_p.h> #include <wtf/StdLibExtras.h> #include <wtf/PageAllocation.h> using namespace QV4; -void *ExecutableAllocator::Allocation::start() const +void *ExecutableAllocator::Allocation::exceptionHandlerStart() const { return reinterpret_cast<void*>(addr); } +size_t ExecutableAllocator::Allocation::exceptionHandlerSize() const +{ + return QV4::exceptionHandlerSize(); +} + +void *ExecutableAllocator::Allocation::memoryStart() const +{ + return reinterpret_cast<void*>(addr); +} + +void *ExecutableAllocator::Allocation::codeStart() const +{ + return reinterpret_cast<void*>(addr + exceptionHandlerSize()); +} + void ExecutableAllocator::Allocation::deallocate(ExecutableAllocator *allocator) { if (isValid()) @@ -141,13 +121,11 @@ bool ExecutableAllocator::ChunkOfPages::contains(Allocation *alloc) const } ExecutableAllocator::ExecutableAllocator() - : mutex(QMutex::NonRecursive) -{ -} + = default; ExecutableAllocator::~ExecutableAllocator() { - for (ChunkOfPages *chunk : qAsConst(chunks)) { + for (ChunkOfPages *chunk : std::as_const(chunks)) { for (Allocation *allocation = chunk->firstAllocation; allocation; allocation = allocation->next) if (!allocation->free) allocation->invalidate(); @@ -162,7 +140,7 @@ ExecutableAllocator::Allocation *ExecutableAllocator::allocate(size_t size) Allocation *allocation = nullptr; // Code is best aligned to 16-byte boundaries. - size = WTF::roundUpToMultipleOf(16, size); + size = WTF::roundUpToMultipleOf(16, size + exceptionHandlerSize()); QMultiMap<size_t, Allocation*>::Iterator it = freeAllocations.lowerBound(size); if (it != freeAllocations.end()) { |