--- a/src/os/windows/vm/os_windows.cpp	Sat Jul 19 17:38:22 2008 -0400
+++ b/src/os/windows/vm/os_windows.cpp	Mon Jul 28 14:07:44 2008 -0400
@@ -985,6 +985,28 @@
     }
 }
 
+void os::dll_build_name(char *holder, size_t holderlen,
+                        const char* pname, const char* fname)
+{
+    // copied from libhpi
+    const size_t pnamelen = pname ? strlen(pname) : 0;
+    const char c = (pnamelen > 0) ? pname[pnamelen-1] : 0;
+
+    /* Quietly truncates on buffer overflow. Should be an error. */
+    if (pnamelen + strlen(fname) + 10 > holderlen) {
+        *holder = '\0';
+        return;
+    }
+
+    if (pnamelen == 0) {
+        sprintf(holder, "%s.dll", fname);
+    } else if (c == ':' || c == '\\') {
+        sprintf(holder, "%s%s.dll", pname, fname);
+    } else {
+        sprintf(holder, "%s\\%s.dll", pname, fname);
+    }
+}
+
 // Needs to be in os specific directory because windows requires another
 // header file <direct.h>
 const char* os::get_current_directory(char *buf, int buflen) {
@@ -1248,6 +1270,10 @@
   return false;
 }
 
+void* os::dll_lookup(void* handle, const char* name) {
+  return GetProcAddress((HMODULE)handle, name);
+}
+
 // save the start and end address of jvm.dll into param[0] and param[1]
 static int _locate_jvm_dll(int pid, char* mod_fname, address base_addr,
                     unsigned size, void * param) {