diff options
author | Morten Sorvig <morten.sorvig@nokia.com> | 2010-12-07 06:21:15 -0600 |
---|---|---|
committer | Morten Sorvig <morten.sorvig@nokia.com> | 2010-12-07 06:21:15 -0600 |
commit | edf9e7e4f27986d399c53cda53fc618792048941 (patch) | |
tree | f87320c638454a25557b876c2eb52240ff266784 | |
parent | fe7b7042c63255d1185c6e6d2246ca8af9e558be (diff) |
Duplicate the "generic" arch and use that for nacl
for now. Our x86 assembly fails verification, so
a custom version has to be done for nacl.
-rw-r--r-- | src/corelib/arch/arch.pri | 2 | ||||
-rw-r--r-- | src/corelib/arch/nacl/arch.pri | 6 | ||||
-rw-r--r-- | src/corelib/arch/nacl/dummy | 0 | ||||
-rw-r--r-- | src/corelib/arch/nacl/qatomic_nacl.cpp | 123 | ||||
-rw-r--r-- | src/corelib/arch/qatomic_nacl.h | 282 |
5 files changed, 412 insertions, 1 deletions
diff --git a/src/corelib/arch/arch.pri b/src/corelib/arch/arch.pri index 422ee28df1..4cc1c9a4af 100644 --- a/src/corelib/arch/arch.pri +++ b/src/corelib/arch/arch.pri @@ -30,7 +30,7 @@ vxworks:HEADERS += arch/qatomic_vxworks.h arch/qatomic_sh4a.h nacl { - HEADERS += arch/qatomic_i386.h + HEADERS += arch/qatomic_nacl.h } QT_ARCH_CPP = $$QT_SOURCE_TREE/src/corelib/arch/$$QT_ARCH diff --git a/src/corelib/arch/nacl/arch.pri b/src/corelib/arch/nacl/arch.pri new file mode 100644 index 0000000000..52d4406db7 --- /dev/null +++ b/src/corelib/arch/nacl/arch.pri @@ -0,0 +1,6 @@ +# +# 'nacl' architecture +# + +unix:SOURCES += qatomic_nacl.cpp + diff --git a/src/corelib/arch/nacl/dummy b/src/corelib/arch/nacl/dummy deleted file mode 100644 index e69de29bb2..0000000000 --- a/src/corelib/arch/nacl/dummy +++ /dev/null diff --git a/src/corelib/arch/nacl/qatomic_nacl.cpp b/src/corelib/arch/nacl/qatomic_nacl.cpp new file mode 100644 index 0000000000..293daaddc9 --- /dev/null +++ b/src/corelib/arch/nacl/qatomic_nacl.cpp @@ -0,0 +1,123 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtCore module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#if !defined(Q_OS_SYMBIAN) || (defined(Q_OS_SYMBIAN) && !defined(Q_CC_RVCT)) + +#include "qplatformdefs.h" + +#include <QtCore/qatomic.h> + +QT_BEGIN_NAMESPACE +static pthread_mutex_t qAtomicMutex = PTHREAD_MUTEX_INITIALIZER; + +Q_CORE_EXPORT +bool QBasicAtomicInt_testAndSetOrdered(volatile int *_q_value, int expectedValue, int newValue) +{ + bool returnValue = false; + pthread_mutex_lock(&qAtomicMutex); + if (*_q_value == expectedValue) { + *_q_value = newValue; + returnValue = true; + } + pthread_mutex_unlock(&qAtomicMutex); + return returnValue; +} + +Q_CORE_EXPORT +int QBasicAtomicInt_fetchAndStoreOrdered(volatile int *_q_value, int newValue) +{ + int returnValue; + pthread_mutex_lock(&qAtomicMutex); + returnValue = *_q_value; + *_q_value = newValue; + pthread_mutex_unlock(&qAtomicMutex); + return returnValue; +} + +Q_CORE_EXPORT +int QBasicAtomicInt_fetchAndAddOrdered(volatile int *_q_value, int valueToAdd) +{ + int returnValue; + pthread_mutex_lock(&qAtomicMutex); + returnValue = *_q_value; + *_q_value += valueToAdd; + pthread_mutex_unlock(&qAtomicMutex); + return returnValue; +} + +Q_CORE_EXPORT +bool QBasicAtomicPointer_testAndSetOrdered(void * volatile *_q_value, + void *expectedValue, + void *newValue) +{ + bool returnValue = false; + pthread_mutex_lock(&qAtomicMutex); + if (*_q_value == expectedValue) { + *_q_value = newValue; + returnValue = true; + } + pthread_mutex_unlock(&qAtomicMutex); + return returnValue; +} + +Q_CORE_EXPORT +void *QBasicAtomicPointer_fetchAndStoreOrdered(void * volatile *_q_value, void *newValue) +{ + void *returnValue; + pthread_mutex_lock(&qAtomicMutex); + returnValue = *_q_value; + *_q_value = newValue; + pthread_mutex_unlock(&qAtomicMutex); + return returnValue; +} + +Q_CORE_EXPORT +void *QBasicAtomicPointer_fetchAndAddOrdered(void * volatile *_q_value, qptrdiff valueToAdd) +{ + void *returnValue; + pthread_mutex_lock(&qAtomicMutex); + returnValue = *_q_value; + *_q_value = reinterpret_cast<char *>(returnValue) + valueToAdd; + pthread_mutex_unlock(&qAtomicMutex); + return returnValue; +} +QT_END_NAMESPACE +#endif //!defined(Q_OS_SYMBIAN) && !defined(Q_CC_RVCT) diff --git a/src/corelib/arch/qatomic_nacl.h b/src/corelib/arch/qatomic_nacl.h new file mode 100644 index 0000000000..1e5fee88d3 --- /dev/null +++ b/src/corelib/arch/qatomic_nacl.h @@ -0,0 +1,282 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtCore module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QATOMIC_NACL_H +#define QATOMIC_NACL_H + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +#define Q_ATOMIC_INT_REFERENCE_COUNTING_IS_NOT_NATIVE + +inline bool QBasicAtomicInt::isReferenceCountingNative() +{ return false; } +inline bool QBasicAtomicInt::isReferenceCountingWaitFree() +{ return false; } + +#define Q_ATOMIC_INT_TEST_AND_SET_IS_NOT_NATIVE + +inline bool QBasicAtomicInt::isTestAndSetNative() +{ return false; } +inline bool QBasicAtomicInt::isTestAndSetWaitFree() +{ return false; } + +#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_NOT_NATIVE + +inline bool QBasicAtomicInt::isFetchAndStoreNative() +{ return false; } +inline bool QBasicAtomicInt::isFetchAndStoreWaitFree() +{ return false; } + +#define Q_ATOMIC_INT_FETCH_AND_ADD_IS_NOT_NATIVE + +inline bool QBasicAtomicInt::isFetchAndAddNative() +{ return false; } +inline bool QBasicAtomicInt::isFetchAndAddWaitFree() +{ return false; } + +#define Q_ATOMIC_POINTER_TEST_AND_SET_IS_NOT_NATIVE + +template <typename T> +Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetNative() +{ return false; } +template <typename T> +Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetWaitFree() +{ return false; } + +#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_NOT_NATIVE + +template <typename T> +Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreNative() +{ return false; } +template <typename T> +Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreWaitFree() +{ return false; } + +#define Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_NOT_NATIVE + +template <typename T> +Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddNative() +{ return false; } +template <typename T> +Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddWaitFree() +{ return false; } + +Q_CORE_EXPORT bool QBasicAtomicInt_testAndSetOrdered(volatile int *, int, int); +Q_CORE_EXPORT int QBasicAtomicInt_fetchAndStoreOrdered(volatile int *, int); +Q_CORE_EXPORT int QBasicAtomicInt_fetchAndAddOrdered(volatile int *, int); + +Q_CORE_EXPORT bool QBasicAtomicPointer_testAndSetOrdered(void * volatile *, void *, void *); +Q_CORE_EXPORT void *QBasicAtomicPointer_fetchAndStoreOrdered(void * volatile *, void *); +Q_CORE_EXPORT void *QBasicAtomicPointer_fetchAndAddOrdered(void * volatile *, qptrdiff); + +// Reference counting + +inline bool QBasicAtomicInt::ref() +{ + return QBasicAtomicInt_fetchAndAddOrdered(&_q_value, 1) != -1; +} + +inline bool QBasicAtomicInt::deref() +{ + return QBasicAtomicInt_fetchAndAddOrdered(&_q_value, -1) != 1; +} + +// Test and set for integers + +inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue) +{ + return QBasicAtomicInt_testAndSetOrdered(&_q_value, expectedValue, newValue); +} + +inline bool QBasicAtomicInt::testAndSetRelaxed(int expectedValue, int newValue) +{ + return testAndSetOrdered(expectedValue, newValue); +} + +inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue) +{ + return testAndSetOrdered(expectedValue, newValue); +} + +inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue) +{ + return testAndSetOrdered(expectedValue, newValue); +} + +// Fetch and store for integers + +inline int QBasicAtomicInt::fetchAndStoreOrdered(int newValue) +{ + return QBasicAtomicInt_fetchAndStoreOrdered(&_q_value, newValue); +} + +inline int QBasicAtomicInt::fetchAndStoreRelaxed(int newValue) +{ + return fetchAndStoreOrdered(newValue); +} + +inline int QBasicAtomicInt::fetchAndStoreAcquire(int newValue) +{ + return fetchAndStoreOrdered(newValue); +} + +inline int QBasicAtomicInt::fetchAndStoreRelease(int newValue) +{ + return fetchAndStoreOrdered(newValue); +} + +// Fetch and add for integers + +inline int QBasicAtomicInt::fetchAndAddOrdered(int valueToAdd) +{ + return QBasicAtomicInt_fetchAndAddOrdered(&_q_value, valueToAdd); +} + +inline int QBasicAtomicInt::fetchAndAddRelaxed(int valueToAdd) +{ + return fetchAndAddOrdered(valueToAdd); +} + +inline int QBasicAtomicInt::fetchAndAddAcquire(int valueToAdd) +{ + return fetchAndAddOrdered(valueToAdd); +} + +inline int QBasicAtomicInt::fetchAndAddRelease(int valueToAdd) +{ + return fetchAndAddOrdered(valueToAdd); +} + +// Test and set for pointers + +template <typename T> +Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T *newValue) +{ + union { T * volatile * typed; void * volatile * voidp; } pointer; + pointer.typed = &_q_value; + return QBasicAtomicPointer_testAndSetOrdered(pointer.voidp, expectedValue, newValue); +} + +template <typename T> +Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelaxed(T *expectedValue, T *newValue) +{ + return testAndSetOrdered(expectedValue, newValue); +} + +template <typename T> +Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetAcquire(T *expectedValue, T *newValue) +{ + return testAndSetOrdered(expectedValue, newValue); +} + +template <typename T> +Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelease(T *expectedValue, T *newValue) +{ + return testAndSetOrdered(expectedValue, newValue); +} + +// Fetch and store for pointers + +template <typename T> +Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreOrdered(T *newValue) +{ + union { T * volatile * typed; void * volatile * voidp; } pointer; + union { T *typed; void *voidp; } returnValue; + pointer.typed = &_q_value; + returnValue.voidp = QBasicAtomicPointer_fetchAndStoreOrdered(pointer.voidp, newValue); + return returnValue.typed; +} + +template <typename T> +Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelaxed(T *newValue) +{ + return fetchAndStoreOrdered(newValue); +} + +template <typename T> +Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreAcquire(T *newValue) +{ + return fetchAndStoreOrdered(newValue); +} + +template <typename T> +Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelease(T *newValue) +{ + return fetchAndStoreOrdered(newValue); +} + +// Fetch and add for pointers + +template <typename T> +Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd) +{ + union { T * volatile *typed; void * volatile *voidp; } pointer; + union { T *typed; void *voidp; } returnValue; + pointer.typed = &_q_value; + returnValue.voidp = QBasicAtomicPointer_fetchAndAddOrdered(pointer.voidp, valueToAdd * sizeof(T)); + return returnValue.typed; +} + +template <typename T> +Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelaxed(qptrdiff valueToAdd) +{ + return fetchAndAddOrdered(valueToAdd); +} + +template <typename T> +Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddAcquire(qptrdiff valueToAdd) +{ + return fetchAndAddOrdered(valueToAdd); +} + +template <typename T> +Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelease(qptrdiff valueToAdd) +{ + return fetchAndAddOrdered(valueToAdd); +} + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif // QATOMIC_GENERIC_H |