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authorThe Android Open Source Project <initial-contribution@android.com>2009-03-03 18:28:41 -0800
committerThe Android Open Source Project <initial-contribution@android.com>2009-03-03 18:28:41 -0800
commit648161bb0edfc3d43db63caed5cc5213bc6cb78f (patch)
tree4b825dc642cb6eb9a060e54bf8d69288fbee4904 /WebCore/platform/mac/SoftLinking.h
parenta65af38181ac7d34544586bdb5cd004de93897ad (diff)
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diff --git a/WebCore/platform/mac/SoftLinking.h b/WebCore/platform/mac/SoftLinking.h
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-/*
- * Copyright (C) 2007 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.
- * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
- * its contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "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 OR ITS 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.
- */
-
-#import <wtf/Assertions.h>
-#import <dlfcn.h>
-
-#define SOFT_LINK_LIBRARY(lib) \
- static void* lib##Library() \
- { \
- static void* dylib = dlopen("/usr/lib/" #lib ".dylib", RTLD_NOW); \
- ASSERT(dylib); \
- return dylib; \
- }
-
-#define SOFT_LINK_FRAMEWORK(framework) \
- static void* framework##Library() \
- { \
- static void* frameworkLibrary = dlopen("/System/Library/Frameworks/" #framework ".framework/" #framework, RTLD_NOW); \
- ASSERT(frameworkLibrary); \
- return frameworkLibrary; \
- }
-
-#define SOFT_LINK(framework, functionName, resultType, parameterDeclarations, parameterNames) \
- static resultType init##functionName parameterDeclarations; \
- static resultType (*softLink##functionName) parameterDeclarations = init##functionName; \
- \
- static resultType init##functionName parameterDeclarations \
- { \
- softLink##functionName = (resultType (*) parameterDeclarations) dlsym(framework##Library(), #functionName); \
- ASSERT(softLink##functionName); \
- return softLink##functionName parameterNames; \
- }\
- \
- inline resultType functionName parameterDeclarations \
- {\
- return softLink##functionName parameterNames; \
- }
-
-#define SOFT_LINK_CLASS(framework, className) \
- static Class init##className(); \
- static Class (*get##className##Class)() = init##className; \
- static Class class##className; \
- \
- static Class className##Function() \
- { \
- return class##className; \
- }\
- \
- static Class init##className() \
- { \
- framework##Library(); \
- class##className = objc_getClass(#className); \
- ASSERT(class##className); \
- get##className##Class = className##Function; \
- return class##className; \
- }
-
-#define SOFT_LINK_POINTER(framework, name, type) \
- static type init##name(); \
- static type (*get##name)() = init##name; \
- static type pointer##name; \
- \
- static type name##Function() \
- { \
- return pointer##name; \
- }\
- \
- static type init##name() \
- { \
- void** pointer = static_cast<void**>(dlsym(framework##Library(), #name)); \
- ASSERT(pointer); \
- pointer##name = static_cast<type>(*pointer); \
- get##name = name##Function; \
- return pointer##name; \
- }
-
-#define SOFT_LINK_CONSTANT(framework, name, type) \
- static type init##name(); \
- static type (*get##name)() = init##name; \
- static type constant##name; \
- \
- static type name##Function() \
- { \
- return constant##name; \
- }\
- \
- static type init##name() \
- { \
- void* constant = dlsym(framework##Library(), #name); \
- ASSERT(constant); \
- constant##name = *static_cast<type*>(constant); \
- get##name = name##Function; \
- return constant##name; \
- }