Generic audit code also support compat system calls now. This patch adds a small piece of architecture dependent code.
Signed-off-by: AKASHI Takahiro takahiro.akashi@linaro.org --- arch/arm64/include/asm/audit.h | 20 ++++++++++++++++++++ arch/arm64/include/asm/syscall.h | 10 ++++++++++ 2 files changed, 30 insertions(+) create mode 100644 arch/arm64/include/asm/audit.h
diff --git a/arch/arm64/include/asm/audit.h b/arch/arm64/include/asm/audit.h new file mode 100644 index 0000000..70eef50 --- /dev/null +++ b/arch/arm64/include/asm/audit.h @@ -0,0 +1,20 @@ +/* + * arch/arm64/include/asm/audit.h + * + * Copyright (C) 2013 Linaro Limited + * Author: AKASHI Takahiro takahiro.akashi@linaro.org + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __ASM_AUDIT_H +#define __ASM_AUDIT_H + +#include <linux/audit.h> + +#define audit_is_compat(arch) \ + ((arch == AUDIT_ARCH_ARM) || (arch == AUDIT_ARCH_ARMEB)) + +#endif /* __ASM_AUDIT_H */ diff --git a/arch/arm64/include/asm/syscall.h b/arch/arm64/include/asm/syscall.h index 3361fec..d7660e9 100644 --- a/arch/arm64/include/asm/syscall.h +++ b/arch/arm64/include/asm/syscall.h @@ -19,6 +19,7 @@ #include <linux/audit.h> #include <linux/err.h> #include <linux/sched.h> +#include <asm/compat.h>
static inline int syscall_get_nr(struct task_struct *task, @@ -109,6 +110,15 @@ static inline void syscall_set_arguments(struct task_struct *task, static inline int syscall_get_arch(struct task_struct *task, struct pt_regs *regs) { +#ifdef CONFIG_COMPAT + if (is_compat_thread(task_thread_info(task))) +#ifdef __AARCH64EB__ + return AUDIT_ARCH_ARMEB; /* only BE on BE */ +#else + return AUDIT_ARCH_ARM; +#endif +#endif + #ifdef __AARCH64EB__ return AUDIT_ARCH_AARCH64EB; #else