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: 27802 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