/* * Copyright (C) 2011 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * This file handles shared library symbol export decorations. It is recommended * that all WebKit projects use these definitions so that symbol exports work * properly on all platforms and compilers that WebKit builds under. */ #ifndef ExportMacros_h #define ExportMacros_h #include <wtf/Platform.h> // Different platforms have different defaults for symbol visibility. Usually // the compiler and the linker just take care of it. However for references to // runtime routines from JIT stubs, it matters to be able to declare a symbol as // being local to the target being generated, and thus not subject to (e.g.) ELF // symbol interposition rules. #if OS(WINDOWS) #define HAVE_INTERNAL_VISIBILITY 1 #define WTF_INTERNAL #elif defined(__GNUC__) && !defined(__CC_ARM) && !defined(__ARMCC__) #define HAVE_INTERNAL_VISIBILITY 1 #define WTF_INTERNAL __attribute__((visibility("hidden"))) #else #define WTF_INTERNAL #endif #if OS(WINDOWS) #define WTF_EXPORT_DECLARATION __declspec(dllexport) #define WTF_IMPORT_DECLARATION __declspec(dllimport) #define WTF_HIDDEN_DECLARATION #elif defined(__GNUC__) && !defined(__CC_ARM) && !defined(__ARMCC__) #define WTF_EXPORT_DECLARATION __attribute__((visibility("default"))) #define WTF_IMPORT_DECLARATION WTF_EXPORT_DECLARATION #define WTF_HIDDEN_DECLARATION __attribute__((visibility("hidden"))) #else #define WTF_EXPORT_DECLARATION #define WTF_IMPORT_DECLARATION #define WTF_HIDDEN_DECLARATION #endif #if defined(BUILDING_WTF) || defined(STATICALLY_LINKED_WITH_WTF) #define WTF_IS_LINKED_IN_SAME_BINARY 1 #endif // See note in wtf/Platform.h for more info on EXPORT_MACROS. #if USE(EXPORT_MACROS) #define WTF_EXPORT WTF_EXPORT_DECLARATION #define WTF_IMPORT WTF_IMPORT_DECLARATION #define WTF_HIDDEN WTF_IMPORT_DECLARATION // FIXME: When all ports are using the export macros, we should replace // WTF_EXPORTDATA with WTF_EXPORT_PRIVATE macros. #if defined(WTF_IS_LINKED_IN_SAME_BINARY) #define WTF_EXPORTDATA WTF_EXPORT #else #define WTF_EXPORTDATA WTF_IMPORT #endif #else // !USE(EXPORT_MACROS) #if OS(WINDOWS) && !COMPILER(GCC_OR_CLANG) #if defined(BUILDING_WTF) || defined(STATICALLY_LINKED_WITH_WTF) #define WTF_EXPORTDATA __declspec(dllexport) #else #define WTF_EXPORTDATA __declspec(dllimport) #endif #else // !OS(WINDOWS) || COMPILER(GCC_OR_CLANG) #define WTF_EXPORTDATA #endif #define WTF_EXPORTCLASS WTF_EXPORTDATA #define WTF_EXPORT #define WTF_IMPORT #define WTF_HIDDEN #endif // USE(EXPORT_MACROS) #if defined(WTF_IS_LINKED_IN_SAME_BINARY) #define WTF_EXPORT_PRIVATE WTF_EXPORT #else #define WTF_EXPORT_PRIVATE WTF_IMPORT #endif #define WTF_EXPORT_STRING_API WTF_EXPORT_PRIVATE #define WTF_EXPORT_HIDDEN WTF_HIDDEN #define HIDDEN_INLINE WTF_EXPORT_HIDDEN inline #endif // ExportMacros_h