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=-6.9 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 3544CC04EB8 for ; Mon, 10 Dec 2018 04:30:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 04B502082F for ; Mon, 10 Dec 2018 04:30:37 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 04B502082F Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=altlinux.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726730AbeLJEaf (ORCPT ); Sun, 9 Dec 2018 23:30:35 -0500 Received: from vmicros1.altlinux.org ([194.107.17.57]:39664 "EHLO vmicros1.altlinux.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726470AbeLJEae (ORCPT ); Sun, 9 Dec 2018 23:30:34 -0500 Received: from mua.local.altlinux.org (mua.local.altlinux.org [192.168.1.14]) by vmicros1.altlinux.org (Postfix) with ESMTP id 8D45A72CC6C; Mon, 10 Dec 2018 07:30:31 +0300 (MSK) Received: by mua.local.altlinux.org (Postfix, from userid 508) id 7C6627CEFE9; Mon, 10 Dec 2018 07:30:31 +0300 (MSK) Date: Mon, 10 Dec 2018 07:30:31 +0300 From: "Dmitry V. Levin" To: Palmer Dabbelt Cc: Elvira Khabirova , Eugene Syromyatnikov , Oleg Nesterov , Andy Lutomirski , Albert Ou , Paul Moore , Eric Paris , linux-riscv@lists.infradead.org, linux-audit@redhat.com, linux-kernel@vger.kernel.org Subject: [PATCH v5 17/25] riscv: define syscall_get_arch() Message-ID: <20181210043031.GQ6131@altlinux.org> References: <20181210042352.GA6092@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. Based-on-patch-by: David Abdurachmanov Reviewed-by: Palmer Dabbelt Cc: Elvira Khabirova Cc: Eugene Syromyatnikov Cc: Oleg Nesterov Cc: Andy Lutomirski Cc: Albert Ou Cc: Paul Moore Cc: Eric Paris Cc: linux-riscv@lists.infradead.org Cc: linux-audit@redhat.com Signed-off-by: Dmitry V. Levin --- Notes: v5: added Cc v2: added Reviewed-by arch/riscv/include/asm/syscall.h | 10 ++++++++++ include/uapi/linux/audit.h | 2 ++ 2 files changed, 12 insertions(+) diff --git a/arch/riscv/include/asm/syscall.h b/arch/riscv/include/asm/syscall.h index 8d25f8904c00..bba3da6ef157 100644 --- a/arch/riscv/include/asm/syscall.h +++ b/arch/riscv/include/asm/syscall.h @@ -18,6 +18,7 @@ #ifndef _ASM_RISCV_SYSCALL_H #define _ASM_RISCV_SYSCALL_H +#include #include #include @@ -99,4 +100,13 @@ static inline void syscall_set_arguments(struct task_struct *task, memcpy(®s->a1 + i * sizeof(regs->a1), args, n * sizeof(regs->a0)); } +static inline int syscall_get_arch(void) +{ +#ifdef CONFIG_64BIT + return AUDIT_ARCH_RISCV64; +#else + return AUDIT_ARCH_RISCV32; +#endif +} + #endif /* _ASM_RISCV_SYSCALL_H */ diff --git a/include/uapi/linux/audit.h b/include/uapi/linux/audit.h index 883c5f56be9c..1e9808f3a240 100644 --- a/include/uapi/linux/audit.h +++ b/include/uapi/linux/audit.h @@ -411,6 +411,8 @@ enum { /* do not define AUDIT_ARCH_PPCLE since it is not supported by audit */ #define AUDIT_ARCH_PPC64 (EM_PPC64|__AUDIT_ARCH_64BIT) #define AUDIT_ARCH_PPC64LE (EM_PPC64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) +#define AUDIT_ARCH_RISCV32 (EM_RISCV|__AUDIT_ARCH_LE) +#define AUDIT_ARCH_RISCV64 (EM_RISCV|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) #define AUDIT_ARCH_S390 (EM_S390) #define AUDIT_ARCH_S390X (EM_S390|__AUDIT_ARCH_64BIT) #define AUDIT_ARCH_SH (EM_SH) -- ldv