linux-kernel - [PATCH 07/13] c6x: define syscall_get

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Message-ID: <20181109031613.GG21511@altlinux.org>
Date:   Fri, 9 Nov 2018 06:16:13 +0300
From:   "Dmitry V. Levin" <ldv@...linux.org>
To:     Andy Lutomirski <luto@...nel.org>,
        Mark Salter <msalter@...hat.com>,
        Aurelien Jacquiot <jacquiot.aurelien@...il.com>,
        Paul Moore <paul@...l-moore.com>,
        Eric Paris <eparis@...hat.com>
Cc:     Elvira Khabirova <lineprinter@...linux.org>,
        linux-c6x-dev@...ux-c6x.org, linux-audit@...hat.com,
        linux-kernel@...r.kernel.org
Subject: [PATCH 07/13] c6x: define syscall_get_arch()

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@...linux.org>
---
 arch/c6x/include/asm/syscall.h | 6 ++++++
 include/uapi/linux/audit.h     | 1 +
 2 files changed, 7 insertions(+)

diff --git a/arch/c6x/include/asm/syscall.h b/arch/c6x/include/asm/syscall.h
index ae2be315ee9c..235c1353a44b 100644
--- a/arch/c6x/include/asm/syscall.h
+++ b/arch/c6x/include/asm/syscall.h
@@ -11,6 +11,7 @@
 #ifndef __ASM_C6X_SYSCALL_H
 #define __ASM_C6X_SYSCALL_H
 
+#include <uapi/linux/audit.h>
 #include <linux/err.h>
 #include <linux/sched.h>
 
@@ -120,4 +121,9 @@ static inline void syscall_set_arguments(struct task_struct *task,
 	}
 }
 
+static inline int syscall_get_arch(void)
+{
+	return AUDIT_ARCH_C6X;
+}
+
 #endif /* __ASM_C6X_SYSCALLS_H */
diff --git a/include/uapi/linux/audit.h b/include/uapi/linux/audit.h
index a7149ceb5b98..3eb1397c2b8f 100644
--- a/include/uapi/linux/audit.h
+++ b/include/uapi/linux/audit.h
@@ -378,6 +378,7 @@ enum {
 #define AUDIT_ARCH_ARC		(EM_ARC)
 #define AUDIT_ARCH_ARM		(EM_ARM|__AUDIT_ARCH_LE)
 #define AUDIT_ARCH_ARMEB	(EM_ARM)
+#define AUDIT_ARCH_C6X		(EM_TI_C6000)
 #define AUDIT_ARCH_CRIS		(EM_CRIS|__AUDIT_ARCH_LE)
 #define AUDIT_ARCH_FRV		(EM_FRV)
 #define AUDIT_ARCH_I386		(EM_386|__AUDIT_ARCH_LE)
-- 
ldv