Hi,
On Thu, Dec 13, 2018 at 08:21:46PM +0300, Dmitry V. Levin wrote:
> 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: Vineet Gupta <vgupta@xxxxxxxxxxxx>
> Cc: Elvira Khabirova <lineprinter@xxxxxxxxxxxx>
> Cc: Eugene Syromyatnikov <esyr@xxxxxxxxxx>
> Cc: Oleg Nesterov <oleg@xxxxxxxxxx>
> Cc: Andy Lutomirski <luto@xxxxxxxxxx>
> Cc: Alexey Brodkin <alexey.brodkin@xxxxxxxxxxxx>
> Cc: Paul Moore <paul@xxxxxxxxxxxxxx>
> Cc: Eric Paris <eparis@xxxxxxxxxx>
> Cc: linux-snps-arc@xxxxxxxxxxxxxxxxxxx
> Cc: linux-audit@xxxxxxxxxx
> Signed-off-by: Dmitry V. Levin <ldv@xxxxxxxxxxxx>
> ---
Looks like the whole series is going to be pinged for quite some time yet,
so would you mind taking this patch into your arc tree, please?
Thanks.
> Notes:
> v6: unchanged
> v5: added Cc
> v2: added Acked-by
>
> arch/arc/include/asm/syscall.h | 11 +++++++++++
> include/uapi/linux/audit.h | 4 ++++
> 2 files changed, 15 insertions(+)
>
> diff --git a/arch/arc/include/asm/syscall.h b/arch/arc/include/asm/syscall.h
> index 29de09804306..c7fc4c0c3bcb 100644
> --- a/arch/arc/include/asm/syscall.h
> +++ b/arch/arc/include/asm/syscall.h
> @@ -9,6 +9,7 @@
> #ifndef _ASM_ARC_SYSCALL_H
> #define _ASM_ARC_SYSCALL_H 1
>
> +#include <uapi/linux/audit.h>
> #include <linux/err.h>
> #include <linux/sched.h>
> #include <asm/unistd.h>
> @@ -68,4 +69,14 @@ syscall_get_arguments(struct task_struct *task, struct pt_regs *regs,
> }
> }
>
> +static inline int
> +syscall_get_arch(void)
> +{
> + return IS_ENABLED(CONFIG_ISA_ARCOMPACT)
> + ? (IS_ENABLED(CONFIG_CPU_BIG_ENDIAN)
> + ? AUDIT_ARCH_ARCOMPACTBE : AUDIT_ARCH_ARCOMPACT)
> + : (IS_ENABLED(CONFIG_CPU_BIG_ENDIAN)
> + ? AUDIT_ARCH_ARCV2BE : AUDIT_ARCH_ARCV2);
> +}
> +
> #endif
> diff --git a/include/uapi/linux/audit.h b/include/uapi/linux/audit.h
> index 818ae690ab79..bedf3bf54c3a 100644
> --- a/include/uapi/linux/audit.h
> +++ b/include/uapi/linux/audit.h
> @@ -375,6 +375,10 @@ enum {
>
> #define AUDIT_ARCH_AARCH64 (EM_AARCH64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
> #define AUDIT_ARCH_ALPHA (EM_ALPHA|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
> +#define AUDIT_ARCH_ARCOMPACT (EM_ARCOMPACT|__AUDIT_ARCH_LE)
> +#define AUDIT_ARCH_ARCOMPACTBE (EM_ARCOMPACT)
> +#define AUDIT_ARCH_ARCV2 (EM_ARCV2|__AUDIT_ARCH_LE)
> +#define AUDIT_ARCH_ARCV2BE (EM_ARCV2)
> #define AUDIT_ARCH_ARM (EM_ARM|__AUDIT_ARCH_LE)
> #define AUDIT_ARCH_ARMEB (EM_ARM)
> #define AUDIT_ARCH_CRIS (EM_CRIS|__AUDIT_ARCH_LE)
> --
> ldv
--
ldv
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