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//===- Win32/DynamicLibrary.cpp - Win32 DL Implementation -------*- 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 provides the Win32 specific implementation of the DynamicLibrary
//
//===----------------------------------------------------------------------===//
#include "Win32.h"
#include <windef.h>
namespace llvm {
using namespace sys;
//===----------------------------------------------------------------------===//
//=== WARNING: Implementation here must contain only Win32 specific code
//=== and must not be UNIX code
//===----------------------------------------------------------------------===//
DynamicLibrary::DynamicLibrary(const char*filename) : handle(0) {
handle = new HMODULE;
*((HMODULE*)handle) = LoadLibrary(filename);
if (*((HMODULE*)handle) == 0) {
char Buffer[100];
// FIXME: This should use FormatMessage
sprintf(Buffer, "Windows error code %d\n", GetLastError());
throw std::string(Buffer);
}
}
DynamicLibrary::~DynamicLibrary() {
assert(handle !=0 && "Invalid DynamicLibrary handle");
if (*((HMODULE*)handle))
FreeLibrary(*((HMODULE*)handle));
delete (HMODULE*)handle;
}
void *DynamicLibrary::GetAddressOfSymbol(const char *symbolName) {
assert(handle !=0 && "Invalid DynamicLibrary handle");
return (void*) GetProcAddress(*((HMODULE*)handle), symbolName);
}
}
// vim: sw=2 smartindent smarttab tw=80 autoindent expandtab
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