From patchwork Wed Jun 13 15:32:03 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "H.J. Lu" X-Patchwork-Id: 928940 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=sourceware.org (client-ip=209.132.180.131; helo=sourceware.org; envelope-from=libc-alpha-return-93186-incoming=patchwork.ozlabs.org@sourceware.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; secure) header.d=sourceware.org header.i=@sourceware.org header.b="h0RooI21"; dkim-atps=neutral Received: from sourceware.org (server1.sourceware.org [209.132.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 415W705Dzrz9s19 for ; Thu, 14 Jun 2018 01:35:56 +1000 (AEST) DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:from:to:subject:date:message-id:in-reply-to :references; q=dns; s=default; b=kaKq/M5iET4UnQAJX62DXKmj95SHOD4 2sUWf8lNkjo1yQ9zXfaxP5UbTGHhLA1g3ajTMlEGANXp1AuiIpZ0aiKYxYKbRqZ8 NiFLHOvzAckH/7NVl5J5McRRzJLQuNUjMZXS8Ecbj3CCFALJgmf+bz+/ozT0TI9W YIbxh+FXoZLA= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:from:to:subject:date:message-id:in-reply-to :references; s=default; bh=KbADGl7vcBi6hx3+xJT0auJugYM=; b=h0Roo I21DN0WPOsEs7w6cwahPcyTylNTIO9mGwqTV4O70CpnjtwnCJrZwKoHZLBHD8I/8 Pj5L3eSA14RIPCX8hS0ZBDTHa079T8OzkgQpYA9mTbNqQOQqAbekLHcWOFArNRfy gvGdou4feDcB9c697dsKWvEZHZbedxD1Gmlocw= Received: (qmail 20919 invoked by alias); 13 Jun 2018 15:32:44 -0000 Mailing-List: contact libc-alpha-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: libc-alpha-owner@sourceware.org Delivered-To: mailing list libc-alpha@sourceware.org Received: (qmail 19326 invoked by uid 89); 13 Jun 2018 15:32:32 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-25.5 required=5.0 tests=AWL, BAYES_00, FREEMAIL_FROM, GIT_PATCH_0, GIT_PATCH_1, GIT_PATCH_2, GIT_PATCH_3, SPF_SOFTFAIL autolearn=ham version=3.3.2 spammy= X-HELO: mga01.intel.com X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False X-ExtLoop1: 1 From: "H.J. Lu" To: libc-alpha@sourceware.org Subject: [PATCH 20/24] i386: Use _CET_NOTRACK in strcpy-sse2.S Date: Wed, 13 Jun 2018 08:32:03 -0700 Message-Id: <20180613153207.57232-21-hjl.tools@gmail.com> In-Reply-To: <20180613153207.57232-1-hjl.tools@gmail.com> References: <20180613153207.57232-1-hjl.tools@gmail.com> * sysdeps/i386/i686/multiarch/strcpy-sse2.S (BRANCH_TO_JMPTBL_ENTRY): Add _CET_NOTRACK before indirect jump to jump table. --- sysdeps/i386/i686/multiarch/strcpy-sse2.S | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sysdeps/i386/i686/multiarch/strcpy-sse2.S b/sysdeps/i386/i686/multiarch/strcpy-sse2.S index 64bdb91df4..3fc27d93d4 100644 --- a/sysdeps/i386/i686/multiarch/strcpy-sse2.S +++ b/sysdeps/i386/i686/multiarch/strcpy-sse2.S @@ -65,7 +65,7 @@ absolute address. */ \ addl (%ecx,INDEX,SCALE), %ecx; \ /* We loaded the jump table and adjusted ECX. Go. */ \ - jmp *%ecx + _CET_NOTRACK jmp *%ecx # else # define JMPTBL(I, B) I @@ -74,7 +74,7 @@ jump table. SCALE is the scale of INDEX. */ # define BRANCH_TO_JMPTBL_ENTRY(TABLE, INDEX, SCALE) \ - jmp *TABLE(,INDEX,SCALE) + _CET_NOTRACK jmp *TABLE(,INDEX,SCALE) # endif .text