--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/netinstall/autoload.c	Mon Aug 13 11:38:25 2007 +0200
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2000, Red Hat, Inc.
+ *
+ *     This program is free software; you can redistribute it and/or modify
+ *     it under the terms of the GNU General Public License as published by
+ *     the Free Software Foundation; either version 2 of the License, or
+ *     (at your option) any later version.
+ *
+ *     A copy of the GNU General Public License can be found at
+ *     http://www.gnu.org/
+ *
+ * Written by DJ Delorie <dj@cygnus.com>
+ *
+ */
+
+#include "win32.h"
+
+typedef struct {
+  char *name;
+  HINSTANCE handle;
+} DllInfo;
+
+#define DLL(n) static DllInfo n ## _info __asm__ (#n "_info") = { #n, 0}
+
+#define Auto(dll, func, size) \
+	__asm__ ("\t.data"); \
+	__asm__ ("\t.global\t_" #func "@" #size); \
+	__asm__ ("_" #func "@" #size ":"); \
+	__asm__ ("\tcall\tautoload_common"); \
+	__asm__ ("\t.long\t" #dll "_info"); \
+	__asm__ ("\t.ascii\t\"" #func "\\0\"")
+
+DLL (wininet);
+
+Auto (wininet, InternetAttemptConnect, 4);
+Auto (wininet, InternetCloseHandle, 4);
+Auto (wininet, InternetGetLastResponseInfoA, 12);
+Auto (wininet, InternetOpenA, 20);
+Auto (wininet, InternetOpenUrlA, 24);
+Auto (wininet, InternetReadFile, 16);
+Auto (wininet, InternetSetOptionA, 16);
+Auto (wininet, InternetQueryOptionA, 16);
+Auto (wininet, HttpQueryInfoA, 20);
+Auto (wininet, HttpSendRequestA, 20);
+
+typedef struct {
+  DllInfo *dll;
+  char name[100];
+} AutoEntry;
+
+static void autoload_common () __asm__ ("autoload_common");
+
+static void
+autoload_common (int x)
+{
+  int fp, rel;
+  unsigned char *proc;
+  HINSTANCE h;
+  AutoEntry *a;
+  
+  a = *(AutoEntry **)(&x - 1);
+  if (a->dll->handle == 0)
+    {
+      h = LoadLibrary (a->dll->name);
+      a->dll->handle = h;
+    }
+  fp = (int) GetProcAddress (a->dll->handle, a->name);
+  proc = ((unsigned char *)a) - 5;
+  rel = fp - (int)(a); /* now it's a relative call */
+  *proc++ = 0xe9; /* jump near 32-bit relative */
+  *proc++ = rel;
+  *proc++ = rel>>8;
+  *proc++ = rel>>16;
+  *proc++ = rel>>24;
+
+  *(int *)(&x-1) = (int)proc-5;
+}