--- jamvm/jamvm/src/classlib/openjdk/jvm.c
+++ jamvm/jamvm/src/classlib/openjdk/jvm.c
@@ -517,6 +517,48 @@ jclass JVM_FindClassFromBootLoader(JNIEnv *env, const char *name) {
 }
 
 
+/* JVM_FindClassFromCaller
+ * Find a class from a given class loader.  Throws ClassNotFoundException.
+ *  name:   name of class
+ *  init:   whether initialization is done
+ *  loader: class loader to look up the class.
+ *          This may not be the same as the caller's class loader.
+ *  caller: initiating class. The initiating class may be null when a security
+ *          manager is not installed.
+ *
+ * Find a class with this name in this loader,
+ * using the caller's "protection domain".
+ */
+
+jclass JVM_FindClassFromCaller(JNIEnv *env, const char *name,
+                               jboolean init, jobject loader,
+                               jclass caller) {
+    Class *class;
+
+    TRACE("JVM_FindClassFromCaller(env=%p, name=%s, init=%d, loader=%p,"
+          " caller=%p)", env, name, init, loader, caller);
+
+    /* XXX The caller's protection domain should be used during
+       the findClassFromClassLoader but there is no specification or
+       unit-test in OpenJDK documenting the desired effect */
+
+    class = findClassFromClassLoader((char *)name, loader);
+
+    if(class == NULL) {
+        Object *excep = exceptionOccurred();
+        char *dot_name = slash2DotsDup((char*)name);
+
+        clearException();
+        signalChainedException(java_lang_ClassNotFoundException,
+                               dot_name, excep);
+        sysFree(dot_name);
+    } else if(init)
+        initClass(class);
+
+    return class;
+}
+
+
 /* JVM_FindClassFromClassLoader */
 
 jclass JVM_FindClassFromClassLoader(JNIEnv *env, const char *name,
@@ -2965,6 +3007,24 @@ void JVM_GetVersionInfo(JNIEnv *env, jvm_version_info *info, size_t info_size) {
 }
 
 
+/* JVM_GetTemporaryDirectory
+ * Return the temporary directory that the VM uses for the attach
+ * and perf data files.
+ *
+ * It is important that this directory is well-known and the
+ * same for all VM instances. It cannot be affected by configuration
+ * variables such as java.io.tmpdir.
+ *
+ * JamVM do not support the jvmstat framework thus this is left unimplemented.
+ */
+
+jstring JVM_GetTemporaryDirectory(JNIEnv *env) {
+    UNIMPLEMENTED("JVM_GetTemporaryDirectory");
+
+    return 0;
+}
+
+
 /* JVM_RegisterSignal */
 
 extern void signalHandler(int sig);
--- jamvm/jamvm/src/classlib/openjdk/classlib-defs.h
+++ jamvm/jamvm/src/classlib/openjdk/classlib-defs.h
@@ -1,5 +1,6 @@
 /*
- * Copyright (C) 2011, 2013, 2014 Robert Lougher <rob@jamvm.org.uk>.
+ * Copyright (C) 2011, 2013, 2014, 2015
+ * Robert Lougher <rob@jamvm.org.uk>.
  *
  * This file is part of JamVM.
  *
@@ -23,7 +23,7 @@
 #define CLASSLIB_CLASS_SPECIAL  JTHREAD
 
 #if OPENJDK_VERSION == 8
-#define CLASSLIB_CLASS_PAD_SIZE 10*sizeof(Object*)+1*sizeof(int)
+#define CLASSLIB_CLASS_PAD_SIZE 11*sizeof(Object*)+1*sizeof(int)
 #elif OPENJDK_VERSION == 7
 #define CLASSLIB_CLASS_PAD_SIZE 18*sizeof(Object*)+2*sizeof(int)
 #else
diff -u -ur a/src/os/linux/mips/callNative.S b/src/os/linux/mips/callNative.S
--- jamvm/jamvm/src/os/linux/mips/callNative.S
+++ jamvm/jamvm/src/os/linux/mips/callNative.S
@@ -157,8 +157,7 @@
 
 ret_double:
 #ifdef __mips_hard_float
-	swc1 $f0,0($8)
-	swc1 $f1,4($8)
+	sdc1 $f0,0($8)
 	addu $8,8
 	j return
 #endif