Merge GDB 7.5.1

bfd/plugin.c

Index: bfd/plugin.c
diff --git a/bfd/plugin.c b/bfd/plugin.c
index 064e2731282fc43f2698a098614af937d8f6db50..8d2c4b2014f782d23444e5280059e62cbba40a74 100644
--- a/bfd/plugin.c
+++ b/bfd/plugin.c
@@ -1,5 +1,5 @@
 /* Plugin support for BFD.
-   Copyright 2009, 2010, 2011
+   Copyright 2009, 2010, 2011, 2012
    Free Software Foundation, Inc.
 
    This file is part of BFD, the Binary File Descriptor library.
@@ -19,21 +19,57 @@
    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
    MA 02110-1301, USA.  */
 
-#include "config.h"
+#include "sysdep.h"
 #include "bfd.h"
 
 #if BFD_SUPPORTS_PLUGINS
 
 #include <assert.h>
+#ifdef HAVE_DLFCN_H
 #include <dlfcn.h>
+#elif defined (HAVE_WINDOWS_H)
+#include <windows.h>
+#else
+#error Unknown how to handle dynamic-load-libraries.
+#endif
 #include <stdarg.h>
 #include "plugin-api.h"
-#include "sysdep.h"
 #include "plugin.h"
 #include "libbfd.h"
 #include "libiberty.h"
 #include <dirent.h>
 
+#if !defined (HAVE_DLFCN_H) && defined (HAVE_WINDOWS_H)
+
+#define RTLD_NOW 0      /* Dummy value.  */
+
+static void *
+dlopen (const char *file, int mode ATTRIBUTE_UNUSED)
+{
+  return LoadLibrary (file);
+}
+
+static void *
+dlsym (void *handle, const char *name)
+{
+  return GetProcAddress (handle, name);
+}
+
+static int ATTRIBUTE_UNUSED
+dlclose (void *handle)
+{
+  FreeLibrary (handle);
+  return 0;
+}
+
+static const char *
+dlerror (void)
+{
+  return "Unable to load DLL.";
+}
+
+#endif /* !defined (HAVE_DLFCN_H) && defined (HAVE_WINDOWS_H)  */
+
 #define bfd_plugin_close_and_cleanup                  _bfd_generic_close_and_cleanup
 #define bfd_plugin_bfd_free_cached_info               _bfd_generic_bfd_free_cached_info
 #define bfd_plugin_new_section_hook                   _bfd_generic_new_section_hook