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authorH.J. Lu <hjl.tools@gmail.com>2018-07-18 08:00:49 -0700
committerH.J. Lu <hjl.tools@gmail.com>2018-07-18 08:01:06 -0700
commit7fb613361cc4ca4bd929e89462ed99a3159232d6 (patch)
tree1badb80cb9d0236bdfeceafeb3625e3ed08361e2
parent0a899af097a987f02c223a7f1fb2348d5bfea76c (diff)
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i386: Use _CET_NOTRACK in memcpy-ssse3.S
* sysdeps/i386/i686/multiarch/memcpy-ssse3.S (BRANCH_TO_JMPTBL_ENTRY): Add _CET_NOTRACK before indirect jump to jump table.
-rw-r--r--ChangeLog6
-rw-r--r--sysdeps/i386/i686/multiarch/memcpy-ssse3.S4
2 files changed, 8 insertions, 2 deletions
diff --git a/ChangeLog b/ChangeLog
index dd82ae8..322f484 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,11 @@
2018-07-18 H.J. Lu <hongjiu.lu@intel.com>
+ * sysdeps/i386/i686/multiarch/memcpy-ssse3.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/memcpy-ssse3-rep.S
(BRANCH_TO_JMPTBL_ENTRY): Add _CET_NOTRACK before indirect jump
to jump table.
diff --git a/sysdeps/i386/i686/multiarch/memcpy-ssse3.S b/sysdeps/i386/i686/multiarch/memcpy-ssse3.S
index bb35c4c..5ead569 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