--- zzzz-none-000/linux-3.10.107/arch/mips/include/uapi/asm/ptrace.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/mips/include/uapi/asm/ptrace.h	2021-02-04 17:41:59.000000000 +0000
@@ -9,6 +9,8 @@
 #ifndef _UAPI_ASM_PTRACE_H
 #define _UAPI_ASM_PTRACE_H
 
+#include <linux/types.h>
+
 /* 0 - 31 are integer registers, 32 - 63 are fp registers.  */
 #define FPR_BASE	32
 #define PC		64
@@ -22,24 +24,27 @@
 #define DSP_CONTROL	77
 #define ACX		78
 
-#ifndef __KERNEL__
 /*
- * This struct defines the way the registers are stored on the stack during a
- * system call/exception. As usual the registers k0/k1 aren't being saved.
+ * This struct defines the registers as used by PTRACE_{GET,SET}REGS. The
+ * format is the same for both 32- and 64-bit processes. Registers for 32-bit
+ * processes are sign extended.
  */
+#ifdef __KERNEL__
+struct user_pt_regs {
+#else
 struct pt_regs {
+#endif
 	/* Saved main processor registers. */
-	unsigned long regs[32];
+	__u64 regs[32];
 
 	/* Saved special registers. */
-	unsigned long cp0_status;
-	unsigned long hi;
-	unsigned long lo;
-	unsigned long cp0_badvaddr;
-	unsigned long cp0_cause;
-	unsigned long cp0_epc;
+	__u64 lo;
+	__u64 hi;
+	__u64 cp0_epc;
+	__u64 cp0_badvaddr;
+	__u64 cp0_status;
+	__u64 cp0_cause;
 } __attribute__ ((aligned (8)));
-#endif /* __KERNEL__ */
 
 /* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
 #define PTRACE_GETREGS		12