--- zzzz-none-000/linux-3.10.107/arch/mips/include/asm/ptrace.h	2017-06-27 09:49:32.000000000 +0000
+++ vr9-7490-729/linux-3.10.107/arch/mips/include/asm/ptrace.h	2021-11-10 11:53:54.000000000 +0000
@@ -33,13 +33,22 @@
 	unsigned long cp0_status;
 	unsigned long hi;
 	unsigned long lo;
+#ifdef __mips_dsp
+	unsigned long ac1hi;
+	unsigned long ac1lo;
+	unsigned long ac2hi;
+	unsigned long ac2lo;
+	unsigned long ac3hi;
+	unsigned long ac3lo;
+	unsigned long dspctrl;
+#endif /* __mips_dsp */
 #ifdef CONFIG_CPU_HAS_SMARTMIPS
 	unsigned long acx;
 #endif
 	unsigned long cp0_badvaddr;
 	unsigned long cp0_cause;
 	unsigned long cp0_epc;
-#ifdef CONFIG_MIPS_MT_SMTC
+#if defined(CONFIG_MIPS_MT_SMTC) || defined(CONFIG_MIPS_MT_SMP)
 	unsigned long cp0_tcstatus;
 #endif /* CONFIG_MIPS_MT_SMTC */
 #ifdef CONFIG_CPU_CAVIUM_OCTEON
@@ -81,9 +90,8 @@
 
 #define instruction_pointer(regs) ((regs)->cp0_epc)
 #define profile_pc(regs) instruction_pointer(regs)
-#define user_stack_pointer(r) ((r)->regs[29])
 
-extern asmlinkage void syscall_trace_enter(struct pt_regs *regs);
+extern asmlinkage long syscall_trace_enter(struct pt_regs *regs, long syscall);
 extern asmlinkage void syscall_trace_leave(struct pt_regs *regs);
 
 extern void die(const char *, struct pt_regs *) __noreturn;
@@ -100,4 +108,17 @@
 	(struct pt_regs *)((sp | (THREAD_SIZE - 1)) + 1 - 32) - 1;	\
 })
 
+/* Helpers for working with the user stack pointer */
+
+static inline unsigned long user_stack_pointer(struct pt_regs *regs)
+{
+	return regs->regs[29];
+}
+
+static inline void user_stack_pointer_set(struct pt_regs *regs,
+	unsigned long val)
+{
+	regs->regs[29] = val;
+}
+
 #endif /* _ASM_PTRACE_H */