linux-kernel - [PATCH 10/13] nds32: define syscall_get

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Message-ID: <20181109031647.GJ21511@altlinux.org>
Date:   Fri, 9 Nov 2018 06:16:47 +0300
From:   "Dmitry V. Levin" <ldv@...linux.org>
To:     Andy Lutomirski <luto@...nel.org>,
        Greentime Hu <green.hu@...il.com>,
        Vincent Chen <deanbo422@...il.com>,
        Paul Moore <paul@...l-moore.com>,
        Eric Paris <eparis@...hat.com>
Cc:     Elvira Khabirova <lineprinter@...linux.org>,
        linux-audit@...hat.com, linux-kernel@...r.kernel.org
Subject: [PATCH 10/13] nds32: 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/nds32/include/asm/syscall.h | 7 +++++++
 include/uapi/linux/audit.h       | 1 +
 2 files changed, 8 insertions(+)

diff --git a/arch/nds32/include/asm/syscall.h b/arch/nds32/include/asm/syscall.h
index f7e5e86765fe..b7f4a4eccf42 100644
--- a/arch/nds32/include/asm/syscall.h
+++ b/arch/nds32/include/asm/syscall.h
@@ -5,6 +5,7 @@
 #ifndef _ASM_NDS32_SYSCALL_H
 #define _ASM_NDS32_SYSCALL_H	1
 
+#include <uapi/linux/audit.h>
 #include <linux/err.h>
 struct task_struct;
 struct pt_regs;
@@ -185,4 +186,10 @@ void syscall_set_arguments(struct task_struct *task, struct pt_regs *regs,
 
 	memcpy(&regs->uregs[0] + i, args, n * sizeof(args[0]));
 }
+
+static inline int syscall_get_arch(void)
+{
+	return AUDIT_ARCH_NDS32;
+}
+
 #endif /* _ASM_NDS32_SYSCALL_H */
diff --git a/include/uapi/linux/audit.h b/include/uapi/linux/audit.h
index d5a4f623e47e..99e2b63ef765 100644
--- a/include/uapi/linux/audit.h
+++ b/include/uapi/linux/audit.h
@@ -396,6 +396,7 @@ enum {
 #define AUDIT_ARCH_MIPSEL64	(EM_MIPS|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
 #define AUDIT_ARCH_MIPSEL64N32	(EM_MIPS|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE|\
 				 __AUDIT_ARCH_CONVENTION_MIPS64_N32)
+#define AUDIT_ARCH_NDS32	(EM_NDS32)
 #define AUDIT_ARCH_OPENRISC	(EM_OPENRISC)
 #define AUDIT_ARCH_PARISC	(EM_PARISC)
 #define AUDIT_ARCH_PARISC64	(EM_PARISC|__AUDIT_ARCH_64BIT)
-- 
ldv