Files
llvm-6502/lib/System/Win32/DynamicLibrary.cpp
Reid Spencer 0de02a6ba9 Dynamic Library abstraction. This makes the abstraction of a single dynamic
library (shared library/shared object) whose symbols can be looked up
dynamically. Used for plug-ins.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17940 91177308-0d34-0410-b5e6-96231b3b80d8
2004-11-18 04:33:39 +00:00

48 lines
1.5 KiB
C++

//===- 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"
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 = LoadLibrary(filename);
if (handle == 0) {
char Buffer[100];
// FIXME: This should use FormatMessage
sprintf(Buffer, "Windows error code %d\n", GetLastError());
throw std::string(Buffer);
}
}
DynamicLibrary::~DynamicLibrary() {
if (handle)
FreeLibrary(handle);
}
void *DynamicLibrary::GetAddressOfSymbol(const char *symbolName) {
assert(handle !=0 && "Invalid DynamicLibrary handle");
return GetProcAddress(handle, symbolName);
}
}
// vim: sw=2 smartindent smarttab tw=80 autoindent expandtab