Source/JavaScriptCore/llvm/InitializeLLVMPOSIX.cpp

/*
 * Copyright (C) 2013 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
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
 */

#include "config.h"
#include "InitializeLLVMPOSIX.h"

#if HAVE(LLVM)

#include "LLVMAPI.h"
#include <dlfcn.h>

namespace JSC {

typedef LLVMAPI* (*InitializerFunction)(void (*)(const char*, ...));

void initializeLLVMPOSIX(const char* libraryName)
{
    void* library = dlopen(libraryName, RTLD_NOW);
    ASSERT_WITH_MESSAGE(library, "%s", dlerror());
    
    InitializerFunction initializer = bitwise_cast<InitializerFunction>(
        dlsym(library, "initializeAndGetJSCLLVMAPI"));
    ASSERT_WITH_MESSAGE(initializer, "%s", dlerror());
    
    llvm = initializer(WTFLogAlwaysAndCrash);
}

} // namespace JSC

#endif // HAVE(LLVM)