csky: define syscall_get_arch()

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

Cc: Guo Ren <guoren@kernel.org>
Cc: Paul Moore <paul@paul-moore.com>
Cc: Eric Paris <eparis@redhat.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Elvira Khabirova <lineprinter@altlinux.org>
Cc: Eugene Syromyatnikov <esyr@redhat.com>
Cc: linux-audit@redhat.com
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
Signed-off-by: Guo Ren <guoren@kernel.org>
 arch/csky/include/asm/syscall.h | 7 +++++++
 include/uapi/linux/audit.h      | 1 +
 2 files changed, 8 insertions(+)

diff --git a/arch/csky/include/asm/syscall.h b/arch/csky/include/asm/syscall.h
index 926a64a8b4eee8465e822ec426aa24e33b214036..d637445737b78fd5c78c9994173a1e7c73eb3d1f 100644 (file)
--- a/arch/csky/include/asm/syscall.h
+++ b/arch/csky/include/asm/syscall.h
@@ -6,6 +6,7 @@
 #include <linux/sched.h>
 #include <linux/err.h>
 #include <abi/regdef.h>
+#include <uapi/linux/audit.h>
 
 static inline int
 syscall_get_nr(struct task_struct *task, struct pt_regs *regs)
@@ -68,4 +69,10 @@ syscall_set_arguments(struct task_struct *task, struct pt_regs *regs,
        memcpy(&regs->a1 + i * sizeof(regs->a1), args, n * sizeof(regs->a0));
 }
 
+static inline int
+syscall_get_arch(void)
+{
+       return AUDIT_ARCH_CSKY;
+}
+
 #endif /* __ASM_SYSCALL_H */

diff --git a/include/uapi/linux/audit.h b/include/uapi/linux/audit.h
index 818ae690ab791ecb011dd379f29ee006df0121a1..f91729232f46526a41f25e80cc35c4012680a412 100644 (file)
--- a/include/uapi/linux/audit.h
+++ b/include/uapi/linux/audit.h
@@ -378,6 +378,7 @@ enum {
 #define AUDIT_ARCH_ARM         (EM_ARM|__AUDIT_ARCH_LE)
 #define AUDIT_ARCH_ARMEB       (EM_ARM)
 #define AUDIT_ARCH_CRIS                (EM_CRIS|__AUDIT_ARCH_LE)
+#define AUDIT_ARCH_CSKY                (EM_CSKY|__AUDIT_ARCH_LE)
 #define AUDIT_ARCH_FRV         (EM_FRV)
 #define AUDIT_ARCH_I386                (EM_386|__AUDIT_ARCH_LE)
 #define AUDIT_ARCH_IA64                (EM_IA_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)