diff options
Diffstat (limited to 'src/corelib/arch/symbian/qatomic_symbian.cpp')
| -rw-r--r-- | src/corelib/arch/symbian/qatomic_symbian.cpp | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/src/corelib/arch/symbian/qatomic_symbian.cpp b/src/corelib/arch/symbian/qatomic_symbian.cpp new file mode 100644 index 0000000..bcb0bd4 --- /dev/null +++ b/src/corelib/arch/symbian/qatomic_symbian.cpp @@ -0,0 +1,49 @@ +/**************************************************************************** +** +** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the $MODULE$ of the Qt Toolkit. +** +** $TROLLTECH_DUAL_EMBEDDED_LICENSE$ +** +****************************************************************************/ + +#include <QtCore/qglobal.h> +#include <QtCore/qatomic.h> + +#if defined(Q_CC_RVCT) + +#include "../arm/qatomic_arm.cpp" + +QT_BEGIN_NAMESPACE + +// This declspec needs to be explicit. RVCT has a bug which prevents embedded +// assembler functions from being exported (normally all functions are +// exported, and Q_CORE_EXPORT resolves to nothing). +__declspec(dllexport) __asm char q_atomic_swp(volatile char *ptr, char newval) +{ + add r2, pc, #0 + bx r2 + arm + swpb r2,r1,[r0] + mov r0, r2 + bx lr + thumb +} + +__declspec(dllexport) __asm int QBasicAtomicInt::fetchAndStoreOrdered(int newValue) +{ + add r2, pc, #0 + bx r2 + arm + swp r2,r1,[r0] + mov r0, r2 + bx lr + thumb +} + +QT_END_NAMESPACE + +#endif // Q_CC_RVCT + |