--- zzzz-none-000/linux-3.10.107/arch/mips/include/uapi/asm/siginfo.h	2017-06-27 09:49:32.000000000 +0000
+++ vr9-7490-729/linux-3.10.107/arch/mips/include/uapi/asm/siginfo.h	2021-11-10 11:53:54.000000000 +0000
@@ -32,6 +32,8 @@
 #define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int))
 #endif
 
+#define __ARCH_SIGSYS
+
 #include <asm-generic/siginfo.h>
 
 typedef struct siginfo {
@@ -96,6 +98,13 @@
 			__ARCH_SI_BAND_T _band; /* POLL_IN, POLL_OUT, POLL_MSG */
 			int _fd;
 		} _sigpoll;
+
+		/* SIGSYS */
+		struct {
+			void __user *_call_addr; /* calling user insn */
+			int _syscall;	/* triggering system call number */
+			unsigned int _arch;	/* AUDIT_ARCH_* of syscall */
+		} _sigsys;
 	} _sifields;
 } siginfo_t;