[PATCH v2 06/13] hexagon: define syscall_get_arch()

[Dmitry V. Levin]

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 <p...@paul-moore.com>
Cc: Elvira Khabirova <lineprin...@altlinux.org>
Cc: Eugene Syromyatnikov <e...@redhat.com>
Cc: Richard Kuo <r...@codeaurora.org>
Cc: Oleg Nesterov <o...@redhat.com>
Cc: Andy Lutomirski <l...@kernel.org>
Cc: linux-hexa...@vger.kernel.org
Cc: linux-audit@redhat.com
Signed-off-by: Dmitry V. Levin <l...@altlinux.org>
---

Notes:
    v2: unchanged

 arch/hexagon/include/asm/syscall.h | 8 ++++++++
 include/uapi/linux/audit.h         | 1 +
 2 files changed, 9 insertions(+)

diff --git a/arch/hexagon/include/asm/syscall.h 
b/arch/hexagon/include/asm/syscall.h
index 4af9c7b6f13a..de3917aad3fd 100644
--- a/arch/hexagon/include/asm/syscall.h
+++ b/arch/hexagon/include/asm/syscall.h
@@ -21,6 +21,8 @@
 #ifndef _ASM_HEXAGON_SYSCALL_H
 #define _ASM_HEXAGON_SYSCALL_H
 
+#include <uapi/linux/audit.h>
+
 typedef long (*syscall_fn)(unsigned long, unsigned long,
        unsigned long, unsigned long,
        unsigned long, unsigned long);
@@ -43,4 +45,10 @@ static inline void syscall_get_arguments(struct task_struct 
*task,
        BUG_ON(i + n > 6);
        memcpy(args, &(&regs->r00)[i], n * sizeof(args[0]));
 }
+
+static inline int syscall_get_arch(void)
+{
+       return AUDIT_ARCH_HEXAGON;
+}
+
 #endif
diff --git a/include/uapi/linux/audit.h b/include/uapi/linux/audit.h
index 09994181b2d5..fc94e74c8b77 100644
--- a/include/uapi/linux/audit.h
+++ b/include/uapi/linux/audit.h
@@ -387,6 +387,7 @@ enum {
 #define AUDIT_ARCH_CSKY                (EM_CSKY|__AUDIT_ARCH_LE)
 #define AUDIT_ARCH_FRV         (EM_FRV)
 #define AUDIT_ARCH_H8300       (EM_H8_300)
+#define AUDIT_ARCH_HEXAGON     (EM_HEXAGON)
 #define AUDIT_ARCH_I386                (EM_386|__AUDIT_ARCH_LE)
 #define AUDIT_ARCH_IA64                
(EM_IA_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
 #define AUDIT_ARCH_M32R                (EM_M32R)
-- 
ldv

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