diff --git a/linux-user/sparc64/target_signal.h b/linux-user/sparc64/target_signal.h
index bf54ac71d8402aa2dcbafeba0a9fbbb415963424..dfca129162a7aae5f10f1b9cd4b716f15b22cc57 100644
--- a/linux-user/sparc64/target_signal.h
+++ b/linux-user/sparc64/target_signal.h
@@ -21,4 +21,16 @@ typedef struct target_sigaltstack {
 #define TARGET_MINSIGSTKSZ	4096
 #define TARGET_SIGSTKSZ		16384
 
+#ifndef UREG_I6
+#define UREG_I6        6
+#endif
+#ifndef UREG_FP
+#define UREG_FP        UREG_I6
+#endif
+
+static inline target_ulong get_sp_from_cpustate(CPUSPARCState *state)
+{
+    return state->regwptr[UREG_FP];
+}
+
 #endif /* TARGET_SIGNAL_H */