From: H.J. Lu <hjl.tools@gmail.com>
Date: Wed, 18 Jul 2018 15:07:24 +0000 (-0700)
Subject: x86-64: Use _CET_NOTRACK in memcmp-sse4.S
X-Git-Tag: glibc-2.28~74
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e2d40a8822be27ddbd512599ea1955e52f90bf87;p=thirdparty%2Fglibc.git

x86-64: Use _CET_NOTRACK in memcmp-sse4.S

	* sysdeps/x86_64/multiarch/memcmp-sse4.S (BRANCH_TO_JMPTBL_ENTRY):
	Add _CET_NOTRACK before indirect jump to jump table.
---

diff --git a/ChangeLog b/ChangeLog
index b594059f943..d1c52358491 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2018-07-18  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* sysdeps/x86_64/multiarch/memcmp-sse4.S (BRANCH_TO_JMPTBL_ENTRY):
+	Add _CET_NOTRACK before indirect jump to jump table.
+
 2018-07-18  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* sysdeps/i386/i686/multiarch/memset-sse2-rep.S
diff --git a/sysdeps/x86_64/multiarch/memcmp-sse4.S b/sysdeps/x86_64/multiarch/memcmp-sse4.S
index 0d96d6b775c..8e164f2cb6a 100644
--- a/sysdeps/x86_64/multiarch/memcmp-sse4.S
+++ b/sysdeps/x86_64/multiarch/memcmp-sse4.S
@@ -31,7 +31,7 @@
   lea		TABLE(%rip), %r11;				\
   movslq	(%r11, INDEX, SCALE), %rcx;			\
   add		%r11, %rcx;					\
-  jmp		*%rcx;						\
+  _CET_NOTRACK jmp *%rcx;					\
   ud2
 
 /* Warning!