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=-7.4 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,UNWANTED_LANGUAGE_BODY,URIBL_BLOCKED,USER_AGENT_GIT 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 58B22C282C3 for ; Thu, 24 Jan 2019 15:05:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 249CE218AF for ; Thu, 24 Jan 2019 15:05:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548342349; bh=VN6bdg6QEyzWBIM+O/N4jYotTpzKEB9mwd9gp/52DHU=; h=From:To:Cc:Subject:Date:List-ID:From; b=labNU8+aGvKMOAe7UwnQakcJWZXHx56Uqn7U7l34g5qKYKcQGHuUPeS2pmGRnrLOE yOtnctivlJsww7HOmqUT5w1YGeQsc/4HEsC0rplETCqN2y6qAR8TP82emEjrMnmxLr +gtAmghlIDDLgWeAGP+YSyoX92P0ZAqz9TVncsJ8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728502AbfAXPFr (ORCPT ); Thu, 24 Jan 2019 10:05:47 -0500 Received: from mail.kernel.org ([198.145.29.99]:36910 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727755AbfAXPFr (ORCPT ); Thu, 24 Jan 2019 10:05:47 -0500 Received: from localhost.localdomain (unknown [60.186.138.144]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 1384521872; Thu, 24 Jan 2019 15:05:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548342346; bh=VN6bdg6QEyzWBIM+O/N4jYotTpzKEB9mwd9gp/52DHU=; h=From:To:Cc:Subject:Date:From; b=hlYBEiK1CoPYKvhIZQvS0mTwj7rsfk8MreKFQeMT7x3Ckmnly7XgD4b0EVNeS1p5B Ttxn5yLeqRTgJliv4wKlaRfeB8fHDyjepCnYPAbxeIM5+J2O5MNX/G4Y+orvaCJqKb XNPCxCGm+z6FvHZVBc70L0ocCooze3flw3aOeqDU= From: guoren@kernel.org To: arnd@arndb.de Cc: linux-kernel@vger.kernel.org, guoren@kernel.org, linux-arch@vger.kernel.org, Guo Ren Subject: [PATCH 1/2] csky: fixup wrong pt_regs size Date: Thu, 24 Jan 2019 23:05:27 +0800 Message-Id: <1548342328-25268-1-git-send-email-guoren@kernel.org> X-Mailer: git-send-email 2.7.4 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Guo Ren The bug is from commit 2054f4af1957 ("csky: bugfix gdb coredump error.") We change the ELF_NGREG to ELF_NGREG - 2 to fit gdb define, but forgot modify ptrace regset. Now coredump use ELF_NRGEG to fit gdb and gcc-csky.c define and ptrace use pt_regs as regset, there are two different output regs styles. Signed-off-by: Guo Ren --- arch/csky/kernel/ptrace.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/csky/kernel/ptrace.c b/arch/csky/kernel/ptrace.c index 57f1afe..f2f12ff 100644 --- a/arch/csky/kernel/ptrace.c +++ b/arch/csky/kernel/ptrace.c @@ -8,6 +8,7 @@ #include #include #include +#include #include #include #include @@ -159,7 +160,7 @@ static int fpr_set(struct task_struct *target, static const struct user_regset csky_regsets[] = { [REGSET_GPR] = { .core_note_type = NT_PRSTATUS, - .n = ELF_NGREG, + .n = sizeof(struct pt_regs) / sizeof(u32), .size = sizeof(u32), .align = sizeof(u32), .get = &gpr_get, -- 2.7.4