This is the mail archive of the
libc-alpha@sourceware.org
mailing list for the glibc project.
[PATCH 17/24] i386: Use _CET_NOTRACK in memcmp-sse4.S
- From: "H.J. Lu" <hjl dot tools at gmail dot com>
- To: libc-alpha at sourceware dot org
- Date: Wed, 13 Jun 2018 08:32:00 -0700
- Subject: [PATCH 17/24] i386: Use _CET_NOTRACK in memcmp-sse4.S
- References: <20180613153207.57232-1-hjl.tools@gmail.com>
* sysdeps/i386/i686/multiarch/memcmp-sse4.S
(BRANCH_TO_JMPTBL_ENTRY): Add _CET_NOTRACK before indirect jump
to jump table.
---
sysdeps/i386/i686/multiarch/memcmp-sse4.S | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/sysdeps/i386/i686/multiarch/memcmp-sse4.S b/sysdeps/i386/i686/multiarch/memcmp-sse4.S
index be37108987..bc2cb2729d 100644
--- a/sysdeps/i386/i686/multiarch/memcmp-sse4.S
+++ b/sysdeps/i386/i686/multiarch/memcmp-sse4.S
@@ -59,7 +59,7 @@
absolute address. */ \
addl (%ebx,INDEX,SCALE), %ebx; \
/* We loaded the jump table and adjusted EDX/ESI. Go. */ \
- jmp *%ebx
+ _CET_NOTRACK jmp *%ebx
# else
# define JMPTBL(I, B) I
@@ -67,7 +67,7 @@
jump table with relative offsets. INDEX is a register contains the
index into the 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
--
2.17.1