From mboxrd@z Thu Jan 1 00:00:00 1970 From: ldv@altlinux.org (Dmitry V. Levin) Date: Mon, 18 Mar 2019 02:28:47 +0300 Subject: [PATCH v2 02/13] arc: define syscall_get_arch() List-ID: Message-ID: <20190317232847.GC16301@altlinux.org> To: linux-snps-arc@lists.infradead.org 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 Acked-by: Paul Moore Cc: Elvira Khabirova Cc: Eugene Syromyatnikov Cc: Alexey Brodkin Cc: Oleg Nesterov Cc: Andy Lutomirski Cc: linux-snps-arc at lists.infradead.org Cc: linux-audit at redhat.com Signed-off-by: Dmitry V. Levin --- Notes: v2: unchanged 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 #include #include #include @@ -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 f28acd952d03..1626727bb921 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