+os_context_register_t *
+os_context_register_addr(os_context_t *context, int offset);
+
+/* FIXME: Pending investigation, this #ifdef stays as alpha. If it
+ * turns out that the alpha truly requires this, it can change to
+ * ARCH_HAS_FLOAT_REGISTERS (currently #defined in alpha-arch.h -- CSR
+ * 2002-02-04 */