[PATCH 06/13] arc: define syscall_get_arch()

[Dmitry V. Levin]

syscall_get_arch() is required to be implemented on all architectures
that use tracehook_report_syscall_entry() in order to extend
the generic ptrace API with PTRACE_GET_SYSCALL_INFO request.

Signed-off-by: Dmitry V. Levin <ldv@xxxxxxxxxxxx>
---
 arch/arc/include/asm/syscall.h | 6 ++++++
 include/uapi/linux/audit.h     | 1 +
 2 files changed, 7 insertions(+)

diff --git a/arch/arc/include/asm/syscall.h b/arch/arc/include/asm/syscall.h
index 29de09804306..5662778a7411 100644
--- a/arch/arc/include/asm/syscall.h
+++ b/arch/arc/include/asm/syscall.h
@@ -9,6 +9,7 @@
 #ifndef _ASM_ARC_SYSCALL_H
 #define _ASM_ARC_SYSCALL_H  1
 
+#include <uapi/linux/audit.h>
 #include <linux/err.h>
 #include <linux/sched.h>
 #include <asm/unistd.h>
@@ -68,4 +69,9 @@ syscall_get_arguments(struct task_struct *task, struct pt_regs *regs,
 	}
 }
 
+static inline int syscall_get_arch(void)
+{
+	return AUDIT_ARCH_ARC;
+}
+
 #endif
diff --git a/include/uapi/linux/audit.h b/include/uapi/linux/audit.h
index 818ae690ab79..a7149ceb5b98 100644
--- a/include/uapi/linux/audit.h
+++ b/include/uapi/linux/audit.h
@@ -375,6 +375,7 @@ enum {
 
 #define AUDIT_ARCH_AARCH64	(EM_AARCH64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
 #define AUDIT_ARCH_ALPHA	(EM_ALPHA|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
+#define AUDIT_ARCH_ARC		(EM_ARC)
 #define AUDIT_ARCH_ARM		(EM_ARM|__AUDIT_ARCH_LE)
 #define AUDIT_ARCH_ARMEB	(EM_ARM)
 #define AUDIT_ARCH_CRIS		(EM_CRIS|__AUDIT_ARCH_LE)
-- 
ldv