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//===- Unix/DynamicLibrary.cpp - Generic UNIX Dynamic Library ---*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by Reid Spencer and is distributed under the
// University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements the generic UNIX variant of DynamicLibrary
//
//===----------------------------------------------------------------------===//
#include "Unix.h"
namespace llvm {
using namespace sys;
DynamicLibrary::DynamicLibrary() : handle(0) {
#if defined (HAVE_DLOPEN)
if ((handle = dlopen(0, RTLD_NOW | RTLD_GLOBAL)) == 0)
throw std::string( dlerror() );
#else
assert(!"Dynamic object linking not implemented for this platform");
#endif
}
DynamicLibrary::DynamicLibrary(const char *filename) : handle(0) {
#if defined (HAVE_DLOPEN)
if ((handle = dlopen (filename, RTLD_NOW | RTLD_GLOBAL)) == 0)
throw std::string( dlerror() );
#else
assert (!"Dynamic object linking not implemented for this platform");
#endif
}
DynamicLibrary::~DynamicLibrary() {
assert(handle != 0 && "Invalid DynamicLibrary handle");
#if defined (HAVE_DLOPEN)
dlclose(handle);
#else
assert (!"Dynamic object linking not implemented for this platform");
#endif
}
void *DynamicLibrary::GetAddressOfSymbol(const char *symbolName) {
assert(handle != 0 && "Invalid DynamicLibrary handle");
#if defined(HAVE_DLOPEN)
return dlsym (handle, symbolName);
#else
assert (0 && "Dynamic symbol lookup not implemented for this platform");
#endif
}
}
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