--- a/runtime/signals_osdep.h
+++ b/runtime/signals_osdep.h
@@ -309,6 +309,8 @@
#elif defined(TARGET_power) && defined(SYS_elf)
+ #include <asm/ptrace.h>
+
#define DECLARE_SIGNAL_HANDLER(name) \
static void name(int sig, struct sigcontext * context)