diff --git a/winsup/w32api/lib/kernel32.c b/winsup/w32api/lib/kernel32.c
new file mode 100644
index 000000000..c7c4b1807
--- /dev/null
+++ b/winsup/w32api/lib/kernel32.c
@@ -0,0 +1,25 @@
+/* extern (library) versions of inline functions defined in winnt.h */
+
+void* GetCurrentFiber(void)
+{
+    void* ret;
+    __asm__ volatile (
+	      "movl	%%fs:0x10,%0"
+	      : "=r" (ret) /* allow use of reg eax,ebx,ecx,edx,esi,edi */
+		  :	
+		);
+    return ret;
+}
+
+void* GetFiberData(void)
+{
+    void* ret;
+    __asm__ volatile (            
+	      "movl	%%fs:0x10,%0\n"
+	      "movl	(%0),%0"
+	      : "=r" (ret) /* allow use of reg eax,ebx,ecx,edx,esi,edi */
+		  :	
+	      );
+    return ret;
+}
+