1 files changed, 18 insertions, 29 deletions

diff --git a/arch/arc/include/asm/ptrace.h b/arch/arc/include/asm/ptrace.h
index 3a054b695f28..4a2b30fb5a98 100644
--- a/arch/arc/include/asm/ptrace.h
+++ b/arch/arc/include/asm/ptrace.h
@@ -12,6 +12,17 @@
 
 #ifndef __ASSEMBLY__
 
+typedef union {
+	struct {
+#ifdef CONFIG_CPU_BIG_ENDIAN
+		unsigned long state:8, vec:8, cause:8, param:8;
+#else
+		unsigned long param:8, cause:8, vec:8, state:8;
+#endif
+	};
+	unsigned long full;
+} ecr_reg;
+
 /* THE pt_regs: Defines how regs are saved during entry into kernel */
 
 #ifdef CONFIG_ISA_ARCOMPACT
@@ -40,21 +51,10 @@ struct pt_regs {
 	 * 	Last word used by Linux for extra state mgmt (syscall-restart)
 	 * For interrupts, use artificial ECR values to note current prio-level
 	 */
-	union {
-		struct {
-#ifdef CONFIG_CPU_BIG_ENDIAN
-			unsigned long state:8, ecr_vec:8,
-				      ecr_cause:8, ecr_param:8;
-#else
-			unsigned long ecr_param:8, ecr_cause:8,
-				      ecr_vec:8, state:8;
-#endif
-		};
-		unsigned long event;
-	};
+	ecr_reg ecr;
 };
 
-#define MAX_REG_OFFSET offsetof(struct pt_regs, event)
+#define MAX_REG_OFFSET offsetof(struct pt_regs, ecr)
 
 #else
 
@@ -62,18 +62,7 @@ struct pt_regs {
 
 	unsigned long orig_r0;
 
-	union {
-		struct {
-#ifdef CONFIG_CPU_BIG_ENDIAN
-			unsigned long state:8, ecr_vec:8,
-				      ecr_cause:8, ecr_param:8;
-#else
-			unsigned long ecr_param:8, ecr_cause:8,
-				      ecr_vec:8, state:8;
-#endif
-		};
-		unsigned long event;
-	};
+	ecr_reg ecr;		/* Exception Cause Reg */
 
 	unsigned long bta;	/* erbta */
 
@@ -131,13 +120,13 @@ struct callee_regs {
 /* return 1 if PC in delay slot */
 #define delay_mode(regs) ((regs->status32 & STATUS_DE_MASK) == STATUS_DE_MASK)
 
-#define in_syscall(regs)    ((regs->ecr_vec == ECR_V_TRAP) && !regs->ecr_param)
-#define in_brkpt_trap(regs) ((regs->ecr_vec == ECR_V_TRAP) && regs->ecr_param)
+#define in_syscall(regs)    ((regs->ecr.vec == ECR_V_TRAP) && !regs->ecr.param)
+#define in_brkpt_trap(regs) ((regs->ecr.vec == ECR_V_TRAP) && regs->ecr.param)
 
 #define STATE_SCALL_RESTARTED	0x01
 
-#define syscall_wont_restart(reg) (reg->state |= STATE_SCALL_RESTARTED)
-#define syscall_restartable(reg) !(reg->state &  STATE_SCALL_RESTARTED)
+#define syscall_wont_restart(regs) (regs->ecr.state |= STATE_SCALL_RESTARTED)
+#define syscall_restartable(regs) !(regs->ecr.state &  STATE_SCALL_RESTARTED)
 
 #define current_pt_regs()					\
 ({								\