Index: kernel/arch/ppc32/include/exception.h
===================================================================
--- kernel/arch/ppc32/include/exception.h	(revision f3277d49c94d6695d52680406ec1323602b89e6a)
+++ kernel/arch/ppc32/include/exception.h	(revision c16013b18f6d876f26631609321d65e7e1ff1892)
@@ -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