diff --git a/arch/blackfin/include/asm/ptrace.h b/arch/blackfin/include/asm/ptrace.h
index a45a80e..e3f086d 100644
--- a/arch/blackfin/include/asm/ptrace.h
+++ b/arch/blackfin/include/asm/ptrace.h
@@ -158,6 +158,8 @@
 #define PT_SEQSTAT 8
 #define PT_IPEND 4
 
+#define PT_ORIG_R0 208
+#define PT_ORIG_P0 212
 #define PT_SYSCFG 216
 #define PT_TEXT_ADDR 220
 #define PT_TEXT_END_ADDR 224
diff --git a/arch/blackfin/kernel/asm-offsets.c b/arch/blackfin/kernel/asm-offsets.c
index 881afe9..9bb85dd 100644
--- a/arch/blackfin/kernel/asm-offsets.c
+++ b/arch/blackfin/kernel/asm-offsets.c
@@ -60,6 +60,7 @@
 	DEFINE(KERNEL_STACK_SIZE, THREAD_SIZE);
 
 	/* offsets into the pt_regs */
+	DEFINE(PT_ORIG_R0, offsetof(struct pt_regs, orig_r0));
 	DEFINE(PT_ORIG_P0, offsetof(struct pt_regs, orig_p0));
 	DEFINE(PT_ORIG_PC, offsetof(struct pt_regs, orig_pc));
 	DEFINE(PT_R0, offsetof(struct pt_regs, r0));