Index: kernel/arch/ppc32/include/exception.h
===================================================================
--- kernel/arch/ppc32/include/exception.h	(revision 826c203b1eb0841831b90bed895972ff50c4f2b5)
+++ kernel/arch/ppc32/include/exception.h	(revision fa36f294e6a3f5cc4a846e9b33621971e0cc3d07)
@@ -39,5 +39,5 @@
 #include <arch/regutils.h>
 
-typedef struct {
+typedef struct istate {
 	uint32_t r0;
 	uint32_t r2;
@@ -98,4 +98,9 @@
 }
 
+static inline unative_t istate_get_fp(istate_t *istate)
+{
+	return istate->sp;
+}
+
 #endif