Index: uspace/lib/libc/include/stacktrace.h
===================================================================
--- uspace/lib/libc/include/stacktrace.h	(revision 60803be7a952026ff12977aa258e054a319287e4)
+++ uspace/lib/libc/include/stacktrace.h	(revision f0452536864f254d60b591dec3f5ce98a9645f1f)
@@ -40,5 +40,5 @@
 
 extern void stack_trace(void);
-extern void stack_trace_fp(uintptr_t);
+extern void stack_trace_fp_pc(uintptr_t, uintptr_t);
 
 /*
@@ -49,4 +49,5 @@
 extern uintptr_t frame_pointer_prev(uintptr_t);
 extern uintptr_t return_address_get(uintptr_t);
+extern uintptr_t program_counter_get();
 
 #endif