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
diff --git a/lib/System/Win32/DynamicLibrary.cpp b/lib/System/Win32/DynamicLibrary.cpp
new file mode 100644
index 0000000..15730d4
--- /dev/null
+++ b/lib/System/Win32/DynamicLibrary.cpp
@@ -0,0 +1,47 @@
+//===- 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