From patchwork Wed Jun 13 15:32:02 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: 27798 Received: (qmail 19979 invoked by alias); 13 Jun 2018 15:32:37 -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 18818 invoked by uid 89); 13 Jun 2018 15:32:29 -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 19/24] i386: Use _CET_NOTRACK in memcpy-ssse3.S Date: Wed, 13 Jun 2018 08:32:02 -0700 Message-Id: <20180613153207.57232-20-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/memcpy-ssse3.S (BRANCH_TO_JMPTBL_ENTRY): Add _CET_NOTRACK before indirect jump to jump table. --- sysdeps/i386/i686/multiarch/memcpy-ssse3.S | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sysdeps/i386/i686/multiarch/memcpy-ssse3.S b/sysdeps/i386/i686/multiarch/memcpy-ssse3.S index bb35c4c2b7..5ead569a5e 100644 --- a/sysdeps/i386/i686/multiarch/memcpy-ssse3.S +++ b/sysdeps/i386/i686/multiarch/memcpy-ssse3.S @@ -71,7 +71,7 @@ absolute address. */ \ addl (%ebx, INDEX, SCALE), %ebx; \ /* We loaded the jump table. Go. */ \ - jmp *%ebx + _CET_NOTRACK jmp *%ebx # else # define PARMS 4 @@ -85,7 +85,7 @@ 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 .section .text.ssse3,"ax",@progbits