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Subject[PATCH 09/14] nds32: define syscall_get_arch()
syscall_get_arch() is required to be implemented on all architectures
in addition to already implemented syscall_get_nr(),
syscall_get_arguments(), syscall_get_error(), and
syscall_get_return_value() functions in order to extend the generic
ptrace API with PTRACE_GET_SYSCALL_INFO request.

Acked-by: Paul Moore <paul@paul-moore.com>
Cc: Elvira Khabirova <lineprinter@altlinux.org>
Cc: Eugene Syromyatnikov <esyr@redhat.com>
Cc: Greentime Hu <green.hu@gmail.com>
Cc: Vincent Chen <deanbo422@gmail.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: linux-audit@redhat.com
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
---
This is just a gentle ping, the patch is unchanged.

arch/nds32/include/asm/syscall.h | 9 +++++++++
include/uapi/linux/audit.h | 2 ++
2 files changed, 11 insertions(+)

diff --git a/arch/nds32/include/asm/syscall.h b/arch/nds32/include/asm/syscall.h
index f7e5e86765fe..cc56a3962f8b 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 +186,12 @@ 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 IS_ENABLED(CONFIG_CPU_BIG_ENDIAN)
+ ? AUDIT_ARCH_NDS32BE : AUDIT_ARCH_NDS32;
+}
+
#endif /* _ASM_NDS32_SYSCALL_H */
diff --git a/include/uapi/linux/audit.h b/include/uapi/linux/audit.h
index b1602dcc13bc..1568ddc1c945 100644
--- a/include/uapi/linux/audit.h
+++ b/include/uapi/linux/audit.h
@@ -401,6 +401,8 @@ 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|__AUDIT_ARCH_LE)
+#define AUDIT_ARCH_NDS32BE (EM_NDS32)
#define AUDIT_ARCH_OPENRISC (EM_OPENRISC)
#define AUDIT_ARCH_PARISC (EM_PARISC)
#define AUDIT_ARCH_PARISC64 (EM_PARISC|__AUDIT_ARCH_64BIT)
--
ldv
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