Patchwork [19/23] i386: Use _CET_NOTRACK in memcpy-ssse3.S

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Submitter H.J. Lu
Date May 8, 2018, 8:40 p.m.
Message ID <20180508204021.31845-20-hjl.tools@gmail.com>
Download mbox | patch
Permalink /patch/27169/
State New
Headers show

Comments

H.J. Lu - May 8, 2018, 8:40 p.m.
* 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(-)

Patch

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