From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 57073C43387 for ; Mon, 7 Jan 2019 02:53:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2EB492085B for ; Mon, 7 Jan 2019 02:53:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726540AbfAGCxS (ORCPT ); Sun, 6 Jan 2019 21:53:18 -0500 Received: from vmicros1.altlinux.org ([194.107.17.57]:54422 "EHLO vmicros1.altlinux.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726180AbfAGCxR (ORCPT ); Sun, 6 Jan 2019 21:53:17 -0500 Received: from mua.local.altlinux.org (mua.local.altlinux.org [192.168.1.14]) by vmicros1.altlinux.org (Postfix) with ESMTP id BCABE72CC6C; Mon, 7 Jan 2019 05:53:14 +0300 (MSK) Received: by mua.local.altlinux.org (Postfix, from userid 508) id B36C08E5C51; Mon, 7 Jan 2019 05:53:14 +0300 (MSK) Date: Mon, 7 Jan 2019 05:53:14 +0300 From: "Dmitry V. Levin" To: linux-kernel@vger.kernel.org Cc: Elvira Khabirova , Eugene Syromyatnikov , Oleg Nesterov , Andy Lutomirski , Vineet Gupta , Paul Moore , Alexey Brodkin , Eric Paris , linux-snps-arc@lists.infradead.org, linux-audit@redhat.com Subject: [PATCH v7 05/22] arc: define syscall_get_arch() Message-ID: <20190107025314.GE1207@altlinux.org> References: <20190107025101.GA1182@altlinux.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.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: Oleg Nesterov Cc: Andy Lutomirski Cc: Alexey Brodkin Cc: Eric Paris Cc: linux-snps-arc@lists.infradead.org Cc: linux-audit@redhat.com Signed-off-by: Dmitry V. Levin --- Notes: v7: added Acked-by 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 #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 36a7e3f18e69..41d8fa80ebad 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