sw64: add AUDIT_ARCH_SW64 definition

Sunway inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I4SPZD
CVE: NA

-------------------------------

Add AUDIT_ARCH_SW64 definition to support syscall_get_arch(), which is
required to be implemented on all architectures in order to extend the
generic ptrace API with PTRACE_GET_SYSCALL_INFO request.

Signed-off-by: Gu Zitao <guzitao@wxiat.com> #openEuler_contributor
Signed-off-by: NLaibin Qiu <qiulaibin@huawei.com>
Reviewed-by: NHanjun Guo <guohanjun@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>

include/uapi/linux/audit.h

@@ -434,6 +434,7 @@ enum {
 #define AUDIT_ARCH_UNICORE	(EM_UNICORE|__AUDIT_ARCH_LE)
 #define AUDIT_ARCH_X86_64	(EM_X86_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
 #define AUDIT_ARCH_XTENSA	(EM_XTENSA)
+#define AUDIT_ARCH_SW64		(EM_SW64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
 
 #define AUDIT_PERM_EXEC		1
 #define AUDIT_PERM_WRITE	2

include/uapi/linux/elf-em.h

@@ -58,6 +58,7 @@
  * up with a final number.
  */
 #define EM_ALPHA	0x9026
+#define EM_SW64		0x9916
 
 /* Bogus old m32r magic number, used by old tools. */
 #define EM_CYGNUS_M32R	0x9041