Index: kernel/arch/sparc64/src/debug/stacktrace.c
===================================================================
--- kernel/arch/sparc64/src/debug/stacktrace.c	(revision cc106e483d059603a58bf1afab2123168615a299)
+++ kernel/arch/sparc64/src/debug/stacktrace.c	(revision 7f9d97f3ef14161b0334989eea3a64581e2c86cc)
@@ -42,4 +42,6 @@
 #include <arch/trap/trap_table.h>
 
+#include <arch/istate_struct.h>
+
 #if defined(SUN4V)
 #include <arch/sun4v/arch.h>
@@ -62,5 +64,5 @@
 
 	kstack += STACK_BIAS;
-	kstack -= PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE;
+	kstack -= ISTATE_SIZE;
 
 	if (THREAD && (ctx->fp == kstack))