Implement the default constructor which causes the current program to be
opened as if it was a dynamic library so its symbols can be searched too.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18341 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/System/Win32/DynamicLibrary.cpp b/lib/System/Win32/DynamicLibrary.cpp
index b2add2f..d743454 100644
--- a/lib/System/Win32/DynamicLibrary.cpp
+++ b/lib/System/Win32/DynamicLibrary.cpp
@@ -22,15 +22,21 @@
 //===          and must not be UNIX code
 //===----------------------------------------------------------------------===//
 
+DynamicLibrary::DynamicLibrary() : handle(0) {
+  handle = new HMODULE;
+  *((HMODULE*)handle) = GetModuleHandle(NULL);
+  
+  if (*((HMODULE*)handle) == 0) {
+    ThrowError("Can't GetModuleHandle: ");
+  }
+}
+
 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);
+    ThrowError("Can't LoadLibrary: ");
   }
 }