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diff --git a/kernel/arch/unicore32/include/uapi/asm/ptrace.h b/kernel/arch/unicore32/include/uapi/asm/ptrace.h
new file mode 100644
index 000000000..187aa2e98
--- /dev/null
+++ b/kernel/arch/unicore32/include/uapi/asm/ptrace.h
@@ -0,0 +1,90 @@
+/*
+ * linux/arch/unicore32/include/asm/ptrace.h
+ *
+ * Code specific to PKUnity SoC and UniCore ISA
+ *
+ * Copyright (C) 2001-2010 GUAN Xue-tao
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef _UAPI__UNICORE_PTRACE_H__
+#define _UAPI__UNICORE_PTRACE_H__
+
+#define PTRACE_GET_THREAD_AREA	22
+
+/*
+ * PSR bits
+ */
+#define USER_MODE	0x00000010
+#define REAL_MODE	0x00000011
+#define INTR_MODE	0x00000012
+#define PRIV_MODE	0x00000013
+#define ABRT_MODE	0x00000017
+#define EXTN_MODE	0x0000001b
+#define SUSR_MODE	0x0000001f
+#define MODE_MASK	0x0000001f
+#define PSR_R_BIT	0x00000040
+#define PSR_I_BIT	0x00000080
+#define PSR_V_BIT	0x10000000
+#define PSR_C_BIT	0x20000000
+#define PSR_Z_BIT	0x40000000
+#define PSR_S_BIT	0x80000000
+
+/*
+ * Groups of PSR bits
+ */
+#define PSR_f		0xff000000	/* Flags		*/
+#define PSR_c		0x000000ff	/* Control		*/
+
+#ifndef __ASSEMBLY__
+
+/*
+ * This struct defines the way the registers are stored on the
+ * stack during a system call.  Note that sizeof(struct pt_regs)
+ * has to be a multiple of 8.
+ */
+struct pt_regs {
+	unsigned long uregs[34];
+};
+
+#define UCreg_asr		uregs[32]
+#define UCreg_pc		uregs[31]
+#define UCreg_lr		uregs[30]
+#define UCreg_sp		uregs[29]
+#define UCreg_ip		uregs[28]
+#define UCreg_fp		uregs[27]
+#define UCreg_26		uregs[26]
+#define UCreg_25		uregs[25]
+#define UCreg_24		uregs[24]
+#define UCreg_23		uregs[23]
+#define UCreg_22		uregs[22]
+#define UCreg_21		uregs[21]
+#define UCreg_20		uregs[20]
+#define UCreg_19		uregs[19]
+#define UCreg_18		uregs[18]
+#define UCreg_17		uregs[17]
+#define UCreg_16		uregs[16]
+#define UCreg_15		uregs[15]
+#define UCreg_14		uregs[14]
+#define UCreg_13		uregs[13]
+#define UCreg_12		uregs[12]
+#define UCreg_11		uregs[11]
+#define UCreg_10		uregs[10]
+#define UCreg_09		uregs[9]
+#define UCreg_08		uregs[8]
+#define UCreg_07		uregs[7]
+#define UCreg_06		uregs[6]
+#define UCreg_05		uregs[5]
+#define UCreg_04		uregs[4]
+#define UCreg_03		uregs[3]
+#define UCreg_02		uregs[2]
+#define UCreg_01		uregs[1]
+#define UCreg_00		uregs[0]
+#define UCreg_ORIG_00		uregs[33]
+
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* _UAPI__UNICORE_PTRACE_H__ */