1 /* 2 * Copyright (C) 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Library General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU Library General Public License 15 * along with this library; see the file COPYING.LIB. If not, write to 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 17 * Boston, MA 02110-1301, USA. 18 * 19 */ 20 21 #ifndef WTF_Alignment_h 22 #define WTF_Alignment_h 23 24 #include <wtf/Platform.h> 25 26 #if COMPILER(GCC) || COMPILER(MINGW) || COMPILER(RVCT) || COMPILER(WINSCW) 27 #define WTF_ALIGN_OF(type) __alignof__(type) 28 #define WTF_ALIGNED(variable_type, variable, n) variable_type variable __attribute__((__aligned__(n))) 29 #elif COMPILER(MSVC) 30 #define WTF_ALIGN_OF(type) __alignof(type) 31 #define WTF_ALIGNED(variable_type, variable, n) __declspec(align(n)) variable_type variable 32 #else 33 #error WTF_ALIGN macros need alignment control. 34 #endif 35 36 #endif // WTF_Alignment_h 37
