diff --git a/arch/arm/include/setjmp.h b/arch/arm/include/setjmp.h
index c90bdd78fb..d7854d0635 100644
--- a/arch/arm/include/setjmp.h
+++ b/arch/arm/include/setjmp.h
@@ -42,12 +42,11 @@
 
 #include <nuttx/config.h>
 
-#ifdef CONFIG_ARCH_ARMV7M
-
 /****************************************************************************
  * Public Types
  ****************************************************************************/
 
+#ifdef CONFIG_ARCH_ARMV7M
 struct setjmp_buf_s
 {
   /* Note: core registers r0-r3 are caller-saved */
@@ -95,4 +94,11 @@ typedef struct setjmp_buf_s jmp_buf[1];
 #  error "setjmp() not compiled!"
 #endif /* CONFIG_ARCH_ARMV7M */
 
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+int setjmp(jmp_buf env);
+void longjmp(jmp_buf env, int val) noreturn_function;
+
 #endif /* __ARCH_ARM_INCLUDE_SETJUMP_H */