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[PATCH 12/23] x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
- From: "H.J. Lu" <hjl dot tools at gmail dot com>
- To: libc-alpha at sourceware dot org
- Cc: Carlos O'Donell <carlos at redhat dot com>
- Date: Tue, 8 May 2018 13:40:10 -0700
- Subject: [PATCH 12/23] x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
- References: <20180508204021.31845-1-hjl.tools@gmail.com>
* sysdeps/x86_64/multiarch/memcpy-ssse3-back.S
(BRANCH_TO_JMPTBL_ENTRY): Add _CET_NOTRACK before indirect jump
to jump table.
(MEMCPY): Likewise.
---
sysdeps/x86_64/multiarch/memcpy-ssse3-back.S | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/sysdeps/x86_64/multiarch/memcpy-ssse3-back.S b/sysdeps/x86_64/multiarch/memcpy-ssse3-back.S
index 7e37035487..3cd1123326 100644
--- a/sysdeps/x86_64/multiarch/memcpy-ssse3-back.S
+++ b/sysdeps/x86_64/multiarch/memcpy-ssse3-back.S
@@ -39,7 +39,7 @@
lea TABLE(%rip), %r11; \
movslq (%r11, INDEX, SCALE), INDEX; \
lea (%r11, INDEX), INDEX; \
- jmp *INDEX; \
+ _CET_NOTRACK jmp *INDEX; \
ud2
.section .text.ssse3,"ax",@progbits
@@ -125,7 +125,7 @@ L(144bytesormore):
sub $0x80, %rdx
movslq (%r11, %r9, 4), %r9
add %r11, %r9
- jmp *%r9
+ _CET_NOTRACK jmp *%r9
ud2
.p2align 4
@@ -155,7 +155,7 @@ L(copy_backward):
sub $0x80, %rdx
movslq (%r11, %r9, 4), %r9
add %r11, %r9
- jmp *%r9
+ _CET_NOTRACK jmp *%r9
ud2
.p2align 4
--
2.17.0